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Battery Power

628 Posts
Pagina: «« 1 ... 4 5 6 7 8 ... 32 »» | Laatste | Omlaag ↓
  3. forum rang 10 voda 4 juni 2018 20:54
    Russian Scientists Upgrade Nuclear Battery Design to Increase Power Output
    Metal News - Published on Mon, 04 Jun 2018

    Amoz.com reported that the innovative battery prototype developed by the researchers has the ability to pack nearly 3300 mW-hours of energy per gram, which is greater when compared to any other nuclear battery based on nickel-63, and 10 times higher when compared to the specific energy of commercial chemical cells. The study has been reported in the Diamond and Related Materials journal.

    In normal batteries that power toys, flashlights, clocks, and other compact autonomous electrical devices, the energy of the well-known redox chemical reactions is used. Here, transfer of electrons from one electrode to the other occurs through an electrolyte. This results in a potential difference between both the electrodes.

    Upon connecting the two battery terminals by a conductor, the potential difference is eliminated when the flow of electrons starts, thus producing an electric current. Chemical batteries, also called galvanic cells, possess high power density, or the ratio of the volume of the battery to the power of the produced current.

    Yet, chemical cells tend to discharge within a comparatively short period of time, restricting their usage in autonomous devices. Although some of these batteries, known as accumulators, are rechargeable, they have to be replaced for charging. This could be risky, such as in a cardiac pacemaker, or even impossible, if the battery is used for powering a spacecraft.

    Nuclear Batteries: History
    Luckily, chemical reactions are just one among many probable sources of electric current. In 1913, Henry Moseley was the first to invent a power generator based on radioactive decay. In his nuclear battery, a glass sphere silvered on the inside was equipped with a radium emitter positioned at the center on an isolated electrode.

    Electrons emitted as a result of the beta decay of radium led to a potential difference between the central electrode and the silver film. Yet, the device’s idle voltage was very high, of the order of tens of kilovolts, and the current was very low for practical applications.

    In 1953, Paul Rappaport hypothesized the application of semiconducting materials for transforming the energy of beta decay into electric power. Beta particles, positrons and electrons, emitted from a radioactive source have the ability to ionize atoms of a semiconductor, producing uncompensated charge carriers.

    When a static field exists in a p-n structure, the charges flow in a single direction, leading to electric current generation. Batteries powered by beta decay were termed betavoltaics. The main benefit of betavoltaic cells, when compared to galvanic cells, is their longer life: Since the half-lives of the radioactive isotopes used in nuclear batteries range from tens to hundreds of years, their power output stays almost constant for a very long time.

    Sadly, betavoltaic cells have a considerably lower power density when compared to galvanic cells. Without regard to this, betavoltaics were indeed used in the 1970s to power cardiac pacemakers, before being withdrawn to make way for the low-cost lithium-ion batteries, although the lithium-ion batteries have shorter lifetimes.

    Ten Times More Power
    A team of researchers headed by Vladimir Blank, the director of TISNCM and chair of nanostructure physics and chemistry at MIPT, proposed a method for increasing the power density of a nuclear battery by nearly 10 times.

    The physicists designed and constructed a betavoltaic battery with nickel-63 as the radiation source and Schottky barrier-based diamond diodes for energy conversion. With the prototype battery, they were able to realize an output power of nearly 1 ?W, where the power density per cubic centimeter was 10 1 ?W, which is adequate for a modern artificial pacemaker. Since the half-life of Nickel-63 is 100 years, the battery packs nearly 3300 mW-hours of power per gram, which is 10 times more when compared to electrochemical cells.

    Calculations First
    The aim of the team was to increase the power density of their nickel-63 battery. To achieve this, the passage of electrons through the beta source and the converters was numerically simulated. It was observed that the nickel-63 source is highly effective when its thickness is 2 ?m, and the optimal thickness of the converter depending on Schottky barrier diamond diodes is about 10 ?m.

    Manufacturing Technology
    The major technological problem was the fabrication of more number of diamond conversion cells that have a complex internal structure. The thickness of each converter was of the order of only tens of micrometers, such as a plastic bag in a supermarket.

    Traditional mechanical and ionic methods of diamond thinning were not appropriate for this task. The scientists from TISNCM and MIPT devised a distinctive technology for fabricating thin diamond plates on a diamond substrate and splitting them off to enable mass-production of ultrathin converters.

    The researchers used 20 thick boron-doped diamond crystal plates as the substrate. These plates were grown with the help of the temperature gradient method under high pressure. Ion implantation was employed to produce a 100-nm-thick defective, “damaged” layer in the substrate at the depth of around 700 nm.

  4. forum rang 10 voda 4 juni 2018 20:54
    Part2:

    A 15-?m-thick boron-doped diamond film was formed on top of this layer with the help of chemical vapor deposition. Then, the substrate was subjected to high-temperature annealing to initiate graphitization of the buried defective layer and recover the top diamond layer.

    The damaged layer was removed through electrochemical etching. Once the defective layer was separated through etching, ohmic and Schottky contacts were fitted on the semi-finished converter.

    Upon repeating the aforementioned operations, the loss of substrate thickness aggregated to not more than 1 ?m per cycle. In total, 200 converters were grown on 20 substrates. This innovative technology is significant from an economic point of view because the cost of high-quality diamond substrates is very high, and hence, it would be impossible to mass-produce converters by substrate thinning.

    Nuclear Batteries: Prospects
    The study reported here could find prospective applications in medical applications. The size of a majority of the sophisticated cardiac pacemakers is more than 10 cm3 and they need around 10 ?W of power.

    This indicates that it is possible to use the innovative nuclear battery to power up these devices without any major changes to their size and design. “Perpetual pacemakers,” with batteries that need not be serviced or replaced, would enhance patients’ quality of life.

    Compact nuclear batteries could also prove highly beneficial, in general, for the space industry. Specifically, there is a demand for autonomous wireless external sensors and memory chips including integrated power supply systems for spacecraft.

    Diamond is one of the most radiation-proof semiconductors. Due to its large bandgap, it has the ability to work in a broad range of temperatures, rendering it the perfect material for nuclear batteries that power spacecraft.

    The team has proposed to continue its research on nuclear batteries. The researchers have recognized various lines of inquiry that should be sought.

    First, battery power can be proportionally increased by enriching nickel-63 in the radiation source.

    Second, voltage can be boosted and hence the battery’s power output can be increased at least by a factor of three by developing a diamond p-i-n structure with a controlled doping profile.

    Third, the number of nickel-63 atoms in each converter can be increased by increasing the surface area of the converter.

    According to Vladimir Blank, TISNCM Director, who is also chair of nanostructure physics and chemistry at MIPT,

    The results so far are already quite remarkable and can be applied in medicine and space technology, but we are planning to do more. In the recent years, our institute has been rather successful in the synthesis of high-quality doped diamonds, particularly those with n-type conductivity.

    We have decent capabilities for high-quality diamond synthesis, so we are planning to utilize the unique properties of this material for creating new radiation-proof electronic components and designing novel electronic and optical devices.”

    Source : Amoz.com
    Bijlage:
  5. forum rang 10 voda 4 juni 2018 20:58
    NV Energy to build 1000 MW renewable energy in Nevada

    NV Energy announced it has contracted for more than 1,000 megawatts of new renewable energy resources to be built in Nevada, and for the first time, is requesting approval to build 100 megawatts of battery energy capacity. Three of the projects will be located in northern Nevada and three will be located in southern Nevada. The company will file this resource plan with the Public Utilities Commission of Nevada (PUCN) on June 1, 2018.

    NV Energy's Chief Executive Officer Paul Caudill said that the renewable energy expansion is the largest such investment in the state's history. He said that "The six new projects position NV Energy to keep its commitment to double renewable energy by 2023 and, importantly, by diversifying our state's electricity generation portfolio, will reduce the costs to serve customers."

    These projects also represent a step forward in the company's long-term goal of serving Nevada customers with 100 % renewable energy.

    Mr Caudill stated that "We calculate that the direct investment in Nevada's economy, which includes the cost of construction, will be greater than $2 billion.” He noted that more than 1,700 construction workers will be needed, and that the company required worksite labor agreements to be signed to ensure that union craftsmen will participate. Approximately 80 new long-term, permanent jobs will be created.

    Mr Caudill stated that "Work on this resource planning effort began not long after the 2017 state legislative session ended and demonstrates that we are navigating the uncertainties in the current market, given Question 3 on the statewide ballot.”

    The six new solar energy projects and three related battery-energy storage resources are the result of a competitive solicitation initiated in January of this year. All projects are expected to be completed and serving customers by the end of 2021. The resource plan filing requires approval of the Public Utilities Commission of Nevada.

    Mr Caudill also noted that NV Energy has the option to not proceed with the proposed plan in the event Question 3 passes, in order to avoid increasing the liabilities and risks to NV Energy customers as described in the PUCN's April 2018 report on Question 3.

    These six projects will be added to NV Energy's current portfolio of 51 geothermal, solar, hydro, wind, biomass and supported rooftop solar projects – bringing NV Energy's total renewable energy portfolio to more than 3.2 gigawatts of renewable energy in Nevada.

    Source : Strategic Research Institute
  6. forum rang 10 voda 20 juni 2018 16:51
    Sweden Azelio demonstrates technology for low cost solar energy storage

    Swedish solar company Azelio on June 14th launched a demonstrator of its unique technology for solar energy storage. The technology is revolutionizing in its ability to generate clean electricity on demand around-the clock in a distributed way. It has modularity benefits and is more cost efficient than competing technologies, including fossil based.

    Azelio's unique solution is based on Stirling Concentrated Solar Power with multi-hour Thermal Energy Storage. It can be built in a modular way from small to very large installations with maintained low cost and high efficiency. The system is distributed for local production and storage of heat, which can at any point be withdrawn from the storage and converted into electricity for 24/7 capacity. The technology is well suited for areas with weak or non-existent grids. It can thus be used to accelerate the roll-out of electricity to the more than one billion people in the world that lack that access as of today, enabling societal growth.

    Since the greatest energy recovery is obtained in the conversion phase, Azelio is using an aluminium alloy as a storage media for its very specific phase changing characteristics. This storage media does not need refilling to maintain its efficiency, as opposed to common storage technologies using salt or water. Azelio's main market focus is initially projects in the size of 500 kW to 20 MW, targeting a gap on the global energy market.

    Mr Jonas Eklind, CEO of Azelio said that “Showcasing this technology is a great milestone for Azelio. We have now proven that this world-unique solution works and together with our partners we will continue the development and commercialization. Low cost and clean electricity that is made accessible on demand also in remote locations at all hours of the day is really a game changer.”

    Azelio just secured a significantly oversubscribed private placement of 100 MSEK and is planning for a listing on the Stockholm stock exchange. In 2019, a verification project will be built together with the strategic partner, Masen (Moroccan Agency for Sustainable Energy) in Morocco.

    Source : Strategic Research Institute
  7. forum rang 10 voda 22 juni 2018 22:16
    NEC Corp to supply 20 MW energy storage system to Oersted

    NEC Corporation announced that NEC Energy Solutions a wholly owned subsidiary, is supplying OErsted UK with a 20 MW, GSS Grid Storage Solution. Once completed and operational by the end of 2018, the system will be used to provide services to the UK's National Grid to help manage grid stability during changes between peak and low power demand.

    Mr Matthew Wright, Managing Director of OErsted UK said that "The future energy system will be completely transformed from what it is today, with a smarter, more flexible grid, balancing supply and demand with new technology and cleaner energy generation. We want to continue to be at the forefront of this exciting shift towards a decarbonised energy system. Acquiring the Carnegie Road plant is an important step forward as it's our first commercial-scale battery storage project. We're investing billions of pounds in the UK's energy infrastructure and this is another significant investment that puts the UK at the heart of the global energy transition."

    Mr Thomas Brostroem, President of OErsted North America said that "We could not be more thrilled to be working again with NEC Energy Solutions who have a strong presence in Massachusetts and are recognized as a global leader in battery storage technology and products. NEC Energy Solutions served as our partner on the Bay State Wind project in Massachusetts and will now work with us in the UK, which is an exciting step as we develop our energy storage solutions in the US."

    The Carnegie Road battery storage project was originally developed by Shaw Energi, which will support OErsted in the execution of the project. The grid connection agreement and permits are already in place and construction has begun, with the project expected to be operational by the end of the year.

    Mr Steve Fludder, CEO for NEC Energy Solutions said that "OErsted is the global leader in offshore wind, and we are excited to be part of their first large-scale energy storage project in the UK. This is a great example of a global partnership as we recently collaborated with OErsted, NA on the Bay State Wind project located in Massachusetts."

    Source : Strategic Research Institute
  8. forum rang 10 voda 29 juni 2018 17:17
    Equinor installs world first battery for offshore wind

    The battery storage solution has been presented in Peterhead, Scotland by Batwind partners Equinor and Masdar. Electricity produced at the world’s first floating offshore wind farm Hywind Scotland, located 25 kilometers off the coast of Peterhead, will be transported via cables to an onshore substation where the 1 MW batteries are placed and connected to the grid. The battery capacity is the equivalent of more than 128.000 iPhones.

    As the wind is not always blowing energy storage technologies like batteries and other ways of storing electricity, is expected to become increasingly important to secure grid stability.

    Mr Sebastian Bringsvaerd, Development Manager for Hywind and Batwind said that "The variability of renewable energy can to a certain extent be managed by the grid. But to make renewable energy more competitive and integrate even more renewables to the grid, we will need to find new, smart solutions for energy storage to provide firm power. How to do this in a smart and value creating way is what we are aiming to learn from Batwind.”

    According to a recent report by the International Renewable Energy Agency, the installed costs of battery storage systems could fall by two-thirds (66%) by 2030.

    The Batwind storage solution works, in many respects, like an energy warehouse. Equinor and Masdar will test where to build the warehouse; how big it should be and how to run the logistics.

    Mr Bringsvaerd said that "While there are many energy storage products and solutions in the market, the battery software solutions are less developed. We want to teach the battery when to hold back and store electricity, and when send power to the grid, thus increasing value of the power. It will be really exciting to see how we can develop the combined battery and software solution and make Batwind as smart as possible.”

    The brainwork is in the algorithms, which Equinor and Masdar are developing, based on multiple data sources including weather forecasts, market prices, maintenance schedules, consumption patterns and grid services.

    Mr Bringsvaerd said that "Digitalisation is a key driver here. The more we feed Batwind’s power management system with data, the smarter it gets. In addition, Batwind can be utilised for other renewable energy sources including solar and onshore wind. We believe this will expand the market for all renewable energy sources.”

    Batwind is fully financed by Hywind Scotland partners, Equinor and Masdar and is a first step towards a scalable, global renewables energy storage system.

    Mr Bringsvaerd said that "The value in storage is not necessarily in the amount of energy you can store, but how you optimize, control and offer smarter energy solutions. By developing Batwind we get real time data, commercial experience and technical verification.”

    Source : Strategic Research Institute
  9. forum rang 10 voda 4 juli 2018 20:05
    Johnson Matthey to build UK battery demonstration plant

    Business Green reported that Johnson Matthey is set to build a demonstration plant in Lancashire to drive forward production of its nickel based battery material for electric vehicles. The demonstration plant will produce enhanced nickel lithium oxide - eLNO - which Johnson Matthey touts as a "next generation" material for electric vehicle batteries.

    It will be able to roll out 1,000 tonnes of material a year, Johnson Matthey said, enabling the firm to increase market presence, brand recognition and validity by producing test samples for their customer base.

    The "multi-million pound" plant forms part of the company's GBP 200 million investment plan to develop a cobalt-free battery material that could cut the cost and increase the range of electric vehicle batteries.

    Me Robert MacLeod Chief executive said the "investment is an exciting step" in "enabling the journey to pollution-free roads".

    The plant will be housed at an existing Johnson Matthey site in Clithero, thanks to the facility's existing expertise in nickel products, Johnson Matthey said. Meanwhile, a full-scale commercial plant for eLNO is currently in design stage. Under current plans it will built on mainland Europe, with production predicted to begin in 2021.

    The investment plans come as the UK government seeks to ramp up UK expertise in battery technologies with a four year, GBP 246 million programme known as the Faraday Challenge.

    Source : Business Green
  10. forum rang 10 voda 17 augustus 2018 16:55
    Infigen Energy invests in battery energy storage system

    Infigen Energy announced its investment in a 25 MW / 52 MWh Battery Energy Storage System in South Australia, using Tesla Powerpack technology. Construction activities are expected to commence in the coming weeks. Infigen has entered into funding agreements with the South Australian Government and the Australian Renewable Energy Agency to co fund the approximately USD 38 million development. The SA Government and ARENA have each committed USD 5 million in grant funding (USD 10 million in total).

    The BESS will be located adjacent to the 278.5 MW Lake Bonney Wind Farm and will be connected to the National Electricity Market (NEM) via the Mayurra substation owned by ElectraNet.

    The BESS enables Infigen to firm at least an additional 18 MW of power depending on the customer load profile.

    Mr Ross Rolfe, Chief Executive Office of Infigen, said that “With the firming capability of the BESS Infigen will be able to expand its supply contracts from the Lake Bonney Wind Farm to additional commercial and industrial customers in South Australia, which is at the heart of our business strategy.”

    The operational benefits of the BESS are:

    Firming Infigen’s SA portfolio: access to energy storage allows Infigen to enter into additional energy supply contracts with commercial and industrial customers.
    System security in the NEM: the BESS can supply ancillary services ensuring increased security and quality of supply and fast response services as required.
    Policy considerations: adding battery energy storage capability to the SA market is consistent with the objectives of energy policy, including the proposed National Energy Guarantee.
    SA Minister for Energy Dan van Holst Pellekaan welcomed Infigen’s investment.

    Mr van Holst Pellekaan said that “The Marshall Government are strong supporters of increasing battery storage to harness the full potential of South Australia’s abundant renewable energy and the lower prices that will be delivered to households and businesses.”

    Mr Ross Rolfe, said that “Infigen’s strategy is to supply clean energy to our customers and participate in growth opportunities in the NEM. Our investment in the BESS demonstrates our continued solid progress in delivering on our strategy. We are delighted to be able to work with global technology leader Tesla, ARENA and the South Australian Government to contribute to improved energy security and reliability of supply for South Australian energy consumers.”

    Source : Strategic Research Institute
    Bijlage:
  11. forum rang 10 voda 30 augustus 2018 16:36
    BYD to construct 20 GWh battery plant in Chongqing

    Auto News China reported that BYD Co signed an agreement with the local government in China to construct a plant that can build up to 20 GW hours of batteries for electric vehicles in the southwest China municipality of Chongqing. The factory will be built in Chongqing’s Bishan district, with total investment to reach CNY 10 billion (USD 1.5 billion). The plant will produce battery cells, modules and other related components, according to the government. The Chongqing plant will become the fourth battery manufacturing site in China for BYD, the country’s largest electrified vehicle maker. BYD builds batteries for EVs and plug-in hybrids in Shenzhen and Huizhou in south China’s Guangdong province. The two plants combined can produce up to 16 GWh batteries a year.

    In June, the company opened its third battery factory in a suburb of Xining, the capital of northwest China’s Qinghai province. The plant is expected to reach its annual production of 24 GWh of batteries in 2019.

    Source : Auto News China
  12. forum rang 10 voda 31 augustus 2018 17:01
    UK commits USD 72 million investment in South Africa battery storage

    Reuters reported that Britain's Prime Minister Teresa May has committed 56 million pounds (USD 72 million) towards investment in battery storage in South Africa during her current trip to the country. The plant will allow the country to manage peaks and troughs in energy supply - storing energy from solar, wind and other renewable projects, to then be used as and when it is needed.

    The investment is being financed via Britain's contribution to a USD 5.4 billion Clean Technology Fund, which provides funding for developing countries to scale up low-carbon technologies.

    Source : Reuters
  13. forum rang 10 voda 27 september 2018 15:26
    Groupe Renault is launching advanced battery storage

    Groupe Renault, the European leader in electric mobility, announced today the launch of Advanced Battery Storage, a stationary storage system for energy developed exclusively from EV batteries. It will have a storage capacity of at least 60 MWh, making it the biggest system of its kind ever built in Europe. The first facilities will be developed in early 2019 on three sites in France and Germany: at the Renault plants in Douai and Cléon and at a former coal-fired plant in North Rhine-Westphalia. The storage capacity will then be gradually expanded over time to contain the energy of 2,000 EV batteries. At this phase, the system will have reached or more likely, exceed – the 60 MWh, equivalent to the daily consumption of a city of 5,000 households.

    The purpose of this system is to manage the difference between electricity consumption and production at a given time, in order to increase the proportion of renewable sources in the energy mix. This means maintaining the balance between offer and demand on the electricity grid by integrating different energy sources with fluctuating production capacities. The slightest gap between consumption and production sets off disturbances that can compromise the stability of the local frequency (50 Hz). “Our stationary storage solution aims to offset these differences: it delivers its reserves to a point of imbalance in the grid at a given time to reduce the effects,” said Nicolas Schottey, Director of the Groupe Renault New Business Energy program. By helping to maintain the balance of the grid, the stationary storage system will boost the economic attractiveness of low-carbon energies.

    This stationary storage system is built using EV batteries compiled in containers. The system uses second-life batteries, as well as new batteries stored for future use in standard replacement during after-sales operations. “This unique assembly will give Advanced Battery Storage the capacity to generate or absorb, instantaneously the 70MW power. This high power combined with high capacity of our solution will allow to react efficiently to all major grid solicitations”, explains Nicolas Schottey.

    Source : Strategic Research Institute
  14. forum rang 10 voda 8 november 2018 20:23
    Doosan Invests EUR 100 million in Battery Copper Foil Plant

    Hungary Today reported that South Korean conglomerate company Doosan is investing 32 billion forints (EUR 100m) in a battery copper foil plant in Tatabánya, in western Hungary.

    Hungary foreign affairs and trade minister, Mr Peter Szijjarto said that the company is receiving a 4.7 billion forint government grant for the project. The plant will make Doosan the sole supplier of battery copper foil, a key component of electric vehicle batteries, in Europe.

    Mr Jongwoo Kim, the head of European operations of Doosan, said construction work on the plant will start this year and is expected to be completed during the second half of 2019.

    Source : Hungary Today
  15. forum rang 10 voda 4 december 2018 19:39
    Fortum to install 5 MW battery at Swedish HPP

    Renewables Now reported that finnish utility Fortum Oyj will install what it says is the Nordic’s biggest battery to date, with an output of 5 MW and storage capacity of 6.2 MWh, at a hydropower plant in Sweden. Mr Martin Lindstrom, Head of Asset Management Hydro at Fortum, said that the EUR-3-million (USD 3.4m) project will be used for quick balancing and should improve the Forshuvud hydroelectric plant’s ability to function as regulating power for the Nordic electricity network.

    Fortum said it will make use of the experience gained through a similar project at its combined heat and power (CHP) plant in Jarvenpaa, but this time will use a larger battery.

    Construction is seen to begin early next year with the goal of completion the system in the first half of 2019.

    Source : Renewables Now
  16. forum rang 10 voda 5 december 2018 17:13
    Best hope yet for aluminium ion batteries

    Scimex reported that aluminium ion batteries are a step closer to becoming a reality after a UNSW Sydney chemist found a way to make the science behind the technology work. In a study completed at Northwestern University in Illinois and published in Nature Energy, Dr Dong Jun Kim – now of UNSW’s School of Chemistry led a team of researchers including Nobel Laureate Sir Fraser Stoddart to demonstrate a strategy for designing active materials for rechargeable aluminium batteries.

    Up until now, finding appropriate host electrodes for insertion of complex aluminium ions had been a fundamental challenge.

    Dr Kim said that “We found a novel way to design rechargeable aluminium batteries by employing a redox-active macrocyclic compound as the active material.”

    In other words, Dr Kim and his team managed to use a large organic chemical compound as the part of the battery that stores energy, something that previously had researchers stumped.

    Dr Kim added that “We believe the research discussed in the article opens up a new approach to designing aluminium-ion batteries that could be of interest to scientists investigating next-generation electrochemical energy storage.”

    What makes this is a big deal is that while lithium-ion batteries have enjoyed remarkable success powering mobile electronic devices, in renewable energy applications they are fraught by limited cycle life, safety concerns and relatively high costs.

    Aluminium-ion batteries, on the other hand, have been seen as ideal contenders for this space, given aluminium is the third most abundant element in the Earth’s crust behind oxygen and silicon. It also has the one of the highest theoretical volumetric capacities on account of its multiple redox states.

    Dr Kim said that “Developing batteries using aluminium has received a lot of expectation for delivering high energy to price ratios. Our results showed promising battery performances, however, it is early days and we stress that there is need to improve even more in every aspect. So it does not make much sense to compare against the well-established lithium-ion battery system.”

    Dr Kim said he will be continuing to research aluminium-ion batteries while examining the potential of using other elements. He said that “I look forward to further research on utilising redox-active organic molecules for multivalent-ion intercalation batteries such as aluminium, magnesium, zinc, and calcium.”

    Source : Strategic Research Institute
  17. forum rang 10 voda 12 december 2018 20:31
    Sustainable Energy

    A powerful new battery could give us electric planes that don’t pollute

    A manufacturing trick with magnetic fields produces a battery that may discharge fast enough to get an aircraft off the ground.
    by James Temple October 30, 2018

    CMU mechanical engineering professor Venkat Viswanathan and MIT materials science professor Yet-Ming Chiang (right) are developing a new battery specifically designed for an advanced hybrid plane.

    Brightly colored molecular models line two walls of Yet-Ming Chiang’s office at MIT. Chiang, a materials science professor and serial battery entrepreneur, has spent much of his career studying how slightly different arrangements of those sticks and spheres add up to radically different outcomes in energy storage.
    But he and his colleague, Venkat Viswanathan, are taking a different approach to reach their next goal, altering not the composition of the batteries but the alignment of the compounds within them. By applying magnetic forces to straighten the tortuous path that lithium ions navigate through the electrodes, the scientists believe, they could significantly boost the rate at which the device discharges electricity.

    That shot of power could open up a use that has long eluded batteries: meeting the huge demands of a passenger aircraft at liftoff. If it works as hoped, it would enable regional commuter flights that don’t burn fuel or produce direct climate emissions.

    Viswanathan, an assistant professor of mechanical engineering at Carnegie Mellon, initiated and is leading the research project. He and Chiang are now collaborating with 24M, the lithium-ion battery manufacturer Chiang cofounded in 2010, and Zunum Aero, an aircraft startup based in Bothell, Washington, to develop and test prototype batteries specifically designed for the needs of an advanced hybrid plane.

    High stakes
    Eliminating greenhouse-gas emissions from airplanes is one of the hardest challenges in the climate puzzle. Air travel accounts for around 2% of global carbon dioxide emissions and is one of the fastest-growing sources of greenhouse-gas pollution.

    But there are no clean alternatives today for more than a tiny sliver of air travel, because the batteries powering electric cars are still too expensive, heavy, and otherwise poorly suited for aviation.

    More than a dozen companies, including Uber, Airbus, and Boeing, are already exploring the potential to electrify small aircraft, creating the equivalent of flying taxis that can cover around 100 miles (161 kilometers) on a charge. The hope is that these one- or two-passenger vehicles—in most cases envisioned as autonomous vertical takeoff and landing aircraft—could shorten commutes, ease congestion, and reduce vehicle emissions. But these would largely replace car rides for the rich, not displace air travel.

    Viswanathan and Chiang are aiming higher. The initial plan is to develop a battery that could power a 12-person plane with 400 miles (644 kilometers) of range—enough to make trips from, say, San Francisco to Los Angeles, or New York to Washington. In a second phase, they hope to enable an electric plane capable of carrying 50 people the same distance.

    Such planes would still be equipped with a combustion engine and carry fuel. But the fuel would largely be on board to achieve the US Federal Aviation Administration’s “reserve requirement” for safety, which instructs aircraft to carry enough to land at an airport 200 miles (322 kilometers) from the intended destination. In a normal flight, the planes shouldn’t have to tap into that fuel.

    Airborne
    The appeal of the project to a startup like Zunum is obvious: the better that batteries get at meeting the needs of aircraft, the bigger the market that hybrid or electric planes can potentially address.

    Last year, the company announced plans to deliver a line of “hybrid to electric” aircraft with room for 12 passengers in 2022.

    At launch, the company intends to offer a hybrid plane with a gas turbine and two battery packs capable of flying around 700 miles (1,127 kilometers), as well as an all-electric version with three battery packs and a range of less than 200 miles. (Unlike the planes Viswanathan and Chiang have in mind, the hybrid model would draw heavily on the on-board fuel.) But crucially, the plane itself is expected to feature an open architecture that allows owners to switch out these modules over time, enabling them to upgrade to better batteries developed in the future or shift from hybrid to all-electric operation.

    Zunum has secured capital from Boeing, JetBlue, and the State of Washington’s Clean Energy Fund. JetSuite, a Dallas-based charter flight company, has agreed to purchase up to 100 of the planes. Other startups, including Eviation Aircraft and Wright Electric, are also working to develop small electric planes for commuter-length flights.

    Planes are rarely used for regional travel, representing less than 1% of trips under 500 miles, according to the US Bureau of Transportation Statistics. Airlines have shied away from shorter flights largely because most of the fuel is burned during takeoff, meaning longer routes are far more economical. And given the high costs and hassles of flying, consumers largely opt for cars, trains, or buses instead for this travel range.

    Zunum chief executive Ashish Kumar, previously an executive at Microsoft and Google, believes hybrid planes could change these habits—in large part by cutting the cost of fuel and, in turn, fares. “In most parts of the world you could double your domestic air miles as people get off the highway and into faster aircraft,” he says.

    Simon Simard
    As batteries improve, hybrid and electric planes can cut into a much bigger share of air transportation as well. By 2035, Kumar expects, hybrid planes will able to reach distances as great as 1,500 miles (2,414 kilometers), at which point air travel represents 82% of trips, according to the BTS.

    A greedy battery
    During a meeting in Chiang’s office in early September, Viswanathan underscored the challenges of electrifying aviation by pulling up a chart displaying the discharge profile of a battery pack across a flight path. It’s an alpine wall in the first minutes of the flight. Then it drops dramatically to a long, flat plateau as the plane reaches cruising altitude.

    Voor veel meer, zie link:

    www.technologyreview.com/s/612351/top...
  18. forum rang 10 voda 13 december 2018 19:35
    Siemens supplies world's first lithium-ion battery solution for offshore drilling rig in the North Sea's Nova Field

    The long-term sustainability of the offshore oil and gas sector is predicated on reducing costs and minimizing projects' environmental impacts. Drawing off its extensive experience in the electrification of marine assets, Siemens has taken a significant step on the way to helping the industry achieve those goals by supplying the world's first energy storage solution (ESS) to an offshore drilling rig. BlueVault™, Siemens advanced lithium-ion battery-based solution, will be installed on Northern Drilling Ltd.'s West Mira offshore drilling rig that will operate in the North Sea's Nova Field, approximately 120 km northwest of Bergen. West Mira is a sixth-generation, ultra-deepwater semi-submersible designed by Moss Maritime and will be the world's first modern drilling rig to operate a low-emission hybrid (diesel-electric) power plant using lithium-ion energy storage. The solution consists of four converter-battery systems for a total maximum power of six megawatts.

    Mr Bjørn Einar Brath, Head of Offshore Solutions in Siemens, said that "The integration of energy storage with the power supply and distribution system of a drilling rig represents an important step towards improving the environmental sustainability of the offshore oil and gas industry. Offshore rigs have highly variable power consumption for drilling and dynamic positioning. By incorporating energy storage, it is possible to reduce the runtime of diesel engines and also keep them operating on an optimized combustion level. This ultimately leads to lower emissions."

    The installation of BlueVault on West Mira will result in an estimated 42% reduction in the runtime of on-platform diesel engines, reducing CO¬2 emissions by 15 percent and NOx emissions by 12 percent, which is equivalent to annual emissions from approximately 10,000 automobiles. The batteries will be charged from the rig's diesel-electric generators and used for supplying power during peak load times. In addition, they will serve as backup to prevent blackout situations and provide power to the thrusters in the unlikely event of loss of all running machinery.

    Seadrill Norway Operations Ltd. will operate the West Mira rig on behalf of Northern Drilling. Wintershall has contracted the facility for six wells in their Nova field. The contract includes options for early commencement starting in Q3 of 2019, as well as follow-on options. Should all options be exercised, West Mira is expected to be contracted to Wintershall until Q1 2022. In the coming months, Siemens will continue to work closely with Seadrill to ensure that the groundbreaking hybrid power solution meets the performance and reliability requirements of the facility.

    The energy storage solution that will be supplied to West Mira is based on field-proven technology, which has been installed in more than 60 marine vessels worldwide, including the world's first electric car ferry, MF Ampere, in Norway. As part of a strategy to continue providing low-emissions solutions for harsh offshore operating environments, Siemens opened a fully robotised and digitalised plant in Norway that will develop and manufacture energy storage technologies for both marine and offshore oil and gas applications.

    Source : Strategic Research Institute
  19. forum rang 10 voda 13 december 2018 20:06
    Daimler buys battery cells in a total volume of EUR 20 billion

    Daimler is taking the next step towards securing its CASE corporate strategy. The company already plays a leading role in all four areas of connectivity, autonomous, shared & services and electric. The combination of the individual fields plays a decisive role, especially in the transformation to electric mobility. Dr Dieter Zetsche, Chairman of the Board of Management of Daimler AG and Head of Mercedes-Benz Cars said that “Our electric offensive continues to gain momentum. After investing billions of euros in the development of the electric fleet and the expansion of our global battery network, we are now taking the next step: With the purchase of battery cells for more than 20 billion euros, we are systematically pushing forward with the transformation into the electric future of our company. We plan a total of 130 electrified variants at Mercedes-Benz Cars by 2022. In addition, we will have electric vans, buses and trucks.”

    The company is investing ten billion euros in the expansion of the Mercedes-Benz Cars electric fleet and another billion euros in the global battery production network within the worldwide production network.

    Mr Wilko Stark, Member of the Divisional Board Mercedes-Benz Cars said that “With extensive orders for battery cells until the year 2030, we set another important milestone for the electrification of our future electric vehicles of the EQ product and technology brand. In this way, together with our partners, we ensure the supply of our global battery production network today and in the future using the latest technologies.”

    Source : Strategic Research institute
    Bijlage:
  20. forum rang 10 voda 17 december 2018 20:42
    Alfen levert opslagsysteem voor Green City windpark in Duitsland

    Digital Energy Solutions, een joint venture van de BMW Group en de Viessmann Group, heeft Alfen geselecteerd voor de levering van een energieopslagsysteem dat is aangesloten op een Green City windpark in Duitsland.

    Het systeem, bestaande uit 52 BMW i3-autoaccu’s met een totale capaciteit van 2,2 megawattuur, zal worden gebruikt voor netstabilisatie en om in te kunnen spelen op de vraag naar windenergie.

    Benedikt Gerber, channelmanager Energy Utilities bij Digital Energy Solutions, licht toe: ‘We willen een technisch en economisch haalbare referentieoplossing realiseren voor de marktintegratie van energieopslagsystemen. De combinatie van use cases is complex en stelt ons voor uitdagingen op het gebied van besturing, marktinterfaces en regelgeving, maar het potentieel is enorm. Wij hebben Alfen gekozen vanwege zijn referentieprojecten, zijn ruime ervaring met BMW-batterijen en de kwaliteit van zijn oplossingen op dit vlak.’

    Andreas Plenk, global sales director Energieopslag voor Alfen, voegt daaraan toe: ‘We zijn er trots op dat we door Digital Energy Solutions en Green City zijn geselecteerd om deel uit te maken van hun ambities in het energielandschap. We dragen bij aan dit project met onze ruime ervaring met het toepassen van BMW-batterijen in opslagsystemen en met de integratie van opslagsystemen in windparken.’

    windenergiecourant.nl/onshore/alfen-l...
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