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PNNL team uncovers reaction mechanisms of Li-air batteries; how batteries blow bubbles

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Lithium-air batteries are looked to by many as a very high-energy density next-generation energy storage solution for electric vehicles. One reaction that hasn’t been fully explained is how oxygen blows bubbles inside a lithium-air battery when it discharges. Oxygen gas is released and inflates the bubble.

Batteries 150
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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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One negative side effect of a lean burn engine, whether powered by gasoline or diesel fuel, is an increase in the amount of emissions released to the environment. In 2007, Vorbeck signed a worldwide license agreement with Princeton University for a patented method from the the Aksay Labs for manufacturing graphene at commercial scale.

Hydrogen 279
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ARPA-E Selects 37 Projects for $106M in Funding in Second Round; Electrofuels, Better Batteries and Carbon Capture

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NC State University. The novel pathway will use hydrogen gas to convert carbon dioxide into C-2 and C-4 compounds that will serve as precursors to biofuels, such as butanol. Medical University of South Carolina. Columbia University. A123 Systems, Rutgers University). MIT, Bar-Ilan University). of Georgia).

Carbon 249
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BMW researchers and colleagues in project ABILE develop optimized ionic-liquid-based electrolyte for efficient Li-air batteries

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The study was financially supported by BMW within the project ABILE (Air Batteries with Ionic Liquid Electrolytes). However, the low energy efficiency and severe safety concerns associated with the reactivity of the lithium metal anode remain still unsolved and prevent the practical application of the lithium-oxygen battery technology.

Li-ion 225
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GWU researchers introduce new class of molten air batteries; significantly greater energy capacity than Li-air

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Generalized form of the molten air battery. Researchers at George Washington University led by Dr. Stuart Licht have introduced the principles of a new class rechargeable molten air batteries that offer amongst the highest intrinsic electric energy storage capabilities. Energy Environ. Licht et al. Click to enlarge.

Energy 309
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Probing the effect of CO2 on Li-air batteries

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Lithium-air batteries, with a theoretical gravimetric energy density of ?3500 air” batteries. Moreover, the high solubility of CO 2 gas in organic electrolytes (?50 air battery technology, it is critical to understand the reactions involving CO 2 and the chemistry of Li 2 CO 3 within a Li?air —Lim et al.

Li-ion 305
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Big Science tools for clean transportation: neutron scattering at ORNL

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ORNL’s current mission is to conduct basic and applied research and development to create scientific knowledge and technological solutions that strengthen the nation’s leadership in key areas of science; increase the availability of clean, abundant energy; restore and protect the environment; and contribute to national security.