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UK Researchers Developing Rechargeable Lithium-Air Battery; Up to 10X the Capacity of Current Li-ion Cells

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Diagram of the STAIR (St Andrews Air) cell. Oxygen drawn from the air reacts within the porous carbon to release the electrical charge in this lithium-air battery. Lithium-air batteries use a catalytic air cathode in combination with an electrolyte and a lithium anode. Click to enlarge.

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Argonne National Labs Ramping Up Lithium-Air Research and Development; Li-ion as EV Bridge Technology

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Argonne National Laboratory, which has contributed heavily to the research and development of Li-ion battery technology, is now pursuing research into Lithium-air batteries. Li-air batteries use a catalytic air cathode that converts oxygen to lithium peroxide; an electrolyte; and a lithium anode.

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3 winners of DOE’s “America’s Next Top Energy Innovator” Challenge: hydrogen-assisted lean-burn engines, graphene for Li-air and -sulfur batteries, and titanium process

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Vorbeck Materials , a startup company based in Jessup, Maryland, is using a Pacific Northwest National Laboratory (PNNL)-developed method for developing graphene for better lithium air and lithium sulfur batteries. The US Department of Energy (DOE) is now kicking off a second year of “America’s Next Top Energy Innovator.”.

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The Net-Zero Neighborhood: Advanced Energy Storage and Highly Efficient Photovoltaics Take Transportation Off the Gasoline Grid and Residential Off the Electric Grid

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Actually delivering commercially viable 500-mile batteries will require exascale computing—i.e., Weigand is looking for a “500-mile battery” such as a Li-O 2 (Lithium air) thin film nano-technology system and for 50% efficient photovoltaic cells. Modeling and Simulation at the Exascale for Energy and the Environment (DOE, 2007).

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Systematic review of EV battery pack costs suggests economies of scale may push cost toward US$200/kWh without further cell chemistry improvements

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Industry-wide cost estimates for battery packs for electric vehicles have declined by approximately 14% annually between 2007 and 2014, from above US$1,000 per kWh to around US$410/kWh, according to a systematic review of more than 80 different estimates by a team from the Stockholm Environment Institute. Source: Nykvist and Nilsson (2015).

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