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Lithium-ion battery pack for 2014 Chevrolet Spark EV electric carEnlarge PhotoIf it wasn't so important for the future of electric cars, it could almost get tiresome: Just how do you improve batteries for longer life, quicker charging and a greater range? It's a question being investigated by great minds all around the world, and has turned up some surprising and exciting results over the last few years. Inspired by Popular Mechanics' look at potential electric vehicle and hybrid battery breakthroughs, we've compiled many of our previous battery tech articles into one handy guide. The aluminum plates used have high energy density, and companies testing it such as Phinergy say you'd need to refill the car with water every few hundred miles. Existing lithium-ion technology is among the best battery technology we have for electric cars and hybrids. Compared to other battery types it's relatively energy-dense, charges relatively quickly, is lighter than many other battery types, and it's tried-and-tested.
Others have researched into the existing problems with lithium-ion tech--such as reducing the tendency for lithium to gather around the battery electrodes.
Then there's lithium-air tech--an offshoot of lithium-ion batteries, and one that could significantly increase energy density. It sounds unlikely, but simple herbs could be employed to make batteries greener in future. In a rare look at improving the environmental aspects of batteries rather than increasing their range, researchers at Rice University and the City College of New York have looked at using the herb madder, or purpurin, as a natural cathode for lithium-ion batteries. You might not gain hundreds of miles, but any eco-minded electric car driver would be glad to know their batteries had just a little less impact on the environment, right? The Chevrolet Spark EV has been on the market for only a year, but already it's being updated.
And in this case, the update is major: The 2015 Chevy Spark EV will have an entirely new battery pack. Batteries for 1,000 or so Spark EVs for the 2014 model year were assembled by Compact Power Inc. The new battery for 2015 will use different lithium-ion cells, switching from those provided by A123 Systems to cells from LG Chem--the company that makes cells for the much higher-volume Volt and also the ELR. The energy capacity of the battery will fall from 20 to 19 kilowatt-hours, but GM says the 2015 Spark EV's EPA ratings for range (82 miles) and efficiency (119 MPGe) will remain unchanged from the previous model.
The new battery using LG Chem cells is 86 pounds lighter than the old one with A123 cells, meaning it is both lighter and more efficient than the earlier pack. Centralizing all its battery assembly and standardizing on a single lithium-ion cell for its electric cars makes sense as GM strives to expand its plug-in vehicle activities and prepares to unveil an updated version of the Chevrolet Volt range-extended electric car for the 2016 model year.
The change "helps us to better leverage our economies of scale," said GM's executive director of global transmission and electrification engineering, Larry Nitz. It remains unclear if bringing the pack assembly in-house--the Spark EV's electric motor is already built by GM in a plant in White Marsh Sands, Maryland--will permit the company to boost production of its littlest electric car. The Spark EV is largely viewed as a compliance car, one sold only in California and a handful of other locations, and in numbers only sufficient to meet the state's zero-emission vehicle sales requirements. The 2014 Chevy Spark EV received enthusiastic reviews when it launched, with reviewers lauding its performance--100 kilowatts (130 horsepower) of peak power to the front wheels, far more than the gasoline version of the Spark minicar--and its Volt-like instrument graphics and interface. The 2015 Chevrolet Spark EV remains priced at $27,495 before any Federal and state incentives. A few days ago, reports IHS Automotive, Samsung SDI agreed to acquire the battery pack business of Magna Steyr, an Austria-based operating unit of Magna International, to strengthen its foothold in the automotive market. Magna’s move to divest its battery pack business is seen as a ‘positive’ by industry experts as the division was considered to be a ‘non-core business’. The acquisition will help Samsung enhance its capabilities in developing batteries for electric cars and strengthen its position in the battery value chain for both modules and cells. Fleet Europe is the information and expertise centre for international corporate car fleet leaders.
2012 Mitsubishi i electric car battery packEnlarge PhotoWe'd be the first to point out that many of the electric car owners currently out on the roads have had absolutely no trouble with the 100 or so miles they get from a full charge.

However, it'd be foolish to assume that some people really don't need more than that, and as a result there's always room for an EV with greater range. Improvements to battery technology could be the best way to find this range, and according to New Scientist (via Autoblog), developments in Lithium-Air batteries from IBM could give us electric cars with a 500-mile range.
Lithium-air batteries have significantly greater energy density than regular lithium-ion batteries - close to that of gasoline, in fact.
Several companies are working to improve Lithium-air technology, by testing moisture-proof battery membranes, and graphene cathodes. IBM is seeking to improve the electrolyte, the solvent that carries lithium ions between anode and cathode. However, an IBM-led coalition called Battery 500, hopes to have a full-scale prototype running by 2013, and commercial batteries ready by 2020. You might have to wait a few more years for an electric car that truly goes further than the gasoline equivalent, but it's on its way.
Electric vehicles [EV] of any type, from compact to luxury models, have one thing in common, and it’s their biggest problem.
Researchers are discovering that they don’t know as much about lithium-ion [Li-ion] rechargeable battery packs as they thought they did, “so engineers overcompensate by building batteries that are too large,” said Miroslav Krstic, a faculty member of the Department of Mechanical and Aerospace Engineering at the Jacobs School of Engineering. By experimenting with different materials and different charging controls, a couple of different research teams have been working in opposite directions for the same goal. NEC Corp recently announced that it was able to build a new rechargeable Li-ion cell with 30% more energy density. UC President’s Postdoctoral Fellow Scott Moura, the co-lead researcher on the project, and Krstic are working on sophisticated algorithms that predict what is going on at the molecular level while cycling, that is, discharging and recharging the battery pack.
Krystic and Moura are hoping that their new methods will enable better management of current Li-ion technology, making it possible to work closer to the thresholds of performance.
Currently, hybrid electric vehicle [HEV] batteries, and probably EV batteries, only run a cycle between 20% and 80% charge, to prevent damage and maximize lifespan.
Toyota just scrapped its second EV, the eQ, before it even launched, citing range and charging issues, but maybe it didn’t have to be so. Maybe the Nissan Leaf could use a 5%-95% cycle run by UCSD’s algorithms, and use 95% of its battery capacity of the improved NEC type.
The thirty-minute talk time of the old brick phone has given way to mobile phones with days of talk time. Where I come from, most enthusiasts recognize the amazing engineering (particularly the engines). Your use of this website constitutes acknowledgement and acceptance of our Terms & Conditions. Panasonic Li-Ion EV batteryEnlarge PhotoGetting reborn is at the center of many world religions.
Details are sketchy at the moment, but it is anticipated that 4R Energy Corp will likely offer disposal facilities to other electric car companies, including Nissan’s French partner Renault SA. Rather than automatically dismantle and recycle every pack which is delivered to the facility 4R Energy Corp will examine each car battery pack as it arrives. Extracting Lithium Carbonate From Brine Enlarge PhotoNissan hopes that its latest venture will help lower the consumer price of Lithium Ion batteries, which are still prohibitively high for use in a mid-priced car.
That, of course, ends in cheaper battery packs for electric vehicles and lower production costs.
Aluminum is used as the anode in a battery, ambient air (and the oxygen in it) as a cathode, and water molecules. But it isn't perfect, and several research groups are looking for a way to improve on its existing strengths. KG—to develop next-generation lithium-ion battery technology.For electric vehicles, more efficient batteries will mean greater range. The acquisition includes all 264 employees, production and development sites as well as the existing contracts of the business.

Magna’s battery capabilities were in battery module manufacturing, not in manufacturing battery cells.
By combining its expertise in battery cell and modules with Magna’s know-how in assembling battery modules, the Korean company will enhance its profile as an advanced battery manufacturer and supplier in the alternate powertrain market. That's enough to beat many internal combustion cars on sale today, and would certainly eliminate range anxiety. That means batteries could be down-scaled - and therefore vehicle weight reduced - while still increasing range. Current electrolytes react with air and become depleted over time, so IBM is testing various materials.
While this site should function in Internet Explorer 8, it'll burn tires in a newer edition of Internet Explorer or Google Chrome. The battery pack in an EV is an engineering headache, a marketing nightmare, and could be the main reason that EVs haven’t gone mainstream yet. Engineers still have a lot to learn about exactly how Li-ion batteries function on a molecular scale. The current methods of battery health estimation using voltage and current are not good enough to use the battery pack to its full potential. The first and last 20% are just not available for use, so in reality, the battery is 40% larger than it really needs to be. This would calculate to a range 142 miles, nearly double Nissan Leaf’s stock range of 73 miles. The electric car doesn’t have to stay dead for long, if the same kind of technological advancements make it into their design.
In five years time, your brand new city electric car could house a battery pack made of the recycled innards of a Tesla battery pack. Combined in the battery, they produce hydrated aluminum oxide and energy--and that energy can be used to power a car. Egg-line nanoparticles of sulfur are one option, improving energy transfer and hugely increasing capacity, while silicon nanoparticles to replace graphite anodes is another.
For consumers, the car will also be more affordable, since the rechargeable batteries can be smaller. Magna stated that its intent is to focus on its ‘core propulsion competencies including engineering, drive trains and fuel systems’. Researchers at University of California San Diego [UCSD] are developing new algorithms to control Li-ion batteries.
The polycarbonate-based electrolyte was also upgraded to combat the oxidation caused by the higher voltage. Bosch and its partners are confident that electromobility will become a mass market from 2020 onward.
For Samsung SDI, which produces batteries for mobile phones, energy storage and automotive applications, experts feel that the deal will be favourable considering its diversified target market, and will generate a ‘reasonable return on investment’. The joint venture, which was announced in June and set up in November 2013, will be headquartered in Stuttgart.
Bosch holds a 50 percent stake with GS Yuasa and Mitsubishi Corporation each holding 25 percent.Bosch will support these joint activities with its entire portfolio of components for electromobility. With its competence in the area of battery packs and battery management systems, Bosch specializes in the monitoring and control of cells and complete systems, as well as in integrating them into vehicles.
In addition, it will contribute its know-how in production processes and quality management relating to the large-scale series production of complex products.GS Yuasa will contribute its many years of experience in manufacturing lithium-ion battery cells whose high density makes for a longer range, as well as its expertise in materials systems and electrochemistry. As an established manufacturer of automotive and non-automotive lithium-ion battery cells, GS Yuasa has a strong engineering team and modern production lines with a high level of automation.Mitsubishi Corporation will contribute its global sales network and experience as an integrated global business enterprise.

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Comments Ev car battery life

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