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IIT, Argonne team designs Li2O-based Li-air battery with solid electrolyte; four-electron reaction for higher energy density

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Researchers at the Illinois Institute of Technology (IIT) and US Department of Energy’s (DOE) Argonne National Laboratory have developed a lithium-air battery with a solid electrolyte. The four-electron reaction is enabled by a mixed ion–electron-conducting discharge product and its interface with air.

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Report: VW Group to decide how to proceed with Quantumscape solid state energy storage by July

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Bloomberg reports that the Volkswagen Group will decide by July how to proceed with solid state energy storage technology under development by Quantumscape ( earlier post) , citing Prof. The all solid-state system would enable high energy density, high power density, and reversibility of a lithium-air battery, according to the claims.

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IBM Almaden Lab Exploring Lithium-Air Batteries for Next-Generation Energy Storage

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General schematic of a lithium-air battery. Leveraging expertise in materials science, nanotechnology, green chemistry and supercomputing, scientists at IBM Research’s Almaden lab in San Jose, California, are undertaking a multi-year research initiative around a grid-scale, efficient, affordable electrical energy storage network.

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NYSERDA Commits $8M to Develop and Commercialize 19 New York Battery and Energy-Storage Technology Projects

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The New York State Energy Research and Development Authority (NYSERDA) will award $8 million to help develop or commercialize 19 advanced energy storage projects. The 19 projects, which include two lithium-air efforts, will leverage $7.3 This will enable increased renewable-energy contributions to the grid.

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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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Oxygen drawn from the air reacts within the porous carbon to release the electrical charge in this lithium-air battery. Researchers in the UK are developing a rechargeable lithium-air battery that could deliver a ten-fold increase in energy capacity compared to that of currently available lithium-ion cells.

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U Waterloo team shows four-electron conversion for Li-O2 batteries for high energy density; inorganic molten salt electrolyte, high temperature

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The Waterloo team is the first to achieve four-electron conversion, which doubles the electron storage of lithium-oxygen, also known as lithium-air, batteries. A) Gibbs reaction energy for formation of Li 2 O and Li 2 O 2 as a function of temperature. Thermodynamics and configuration of the Li-O 2 cell. (A)

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MIT team synthesizes all carbon nanofiber electrodes for high-energy rechargeable Li-air batteries

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Gravimetric Ragone plot comparing energy and power characteristics of CNF electrodes based on the pristine and discharged electrode weight with that of LiCoO 2. This translates to an energy enhancement ~4 times greater than the state-of-the-art lithium intercalation compounds such as LiCoO 2 (~600 W h kg electrode -1 , the researchers said.

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