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UT Austin team devises new strategy for safe, low-cost, all-solid-state rechargeable Na or Li batteries suited for EVs

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Researchers at the University of Texas at Austin, including Prof. As reported in their paper in the RSC journal Energy & Environmental Science , the cells use a solid glass electrolyte having a Li + or Na + conductivity σ i > 10 -2 S cm -1 at 25°C with a motional enthalpy ΔH m ≈ 0.06 Click to enlarge.

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UMD researchers report solution to high interfacial impedance hampering developing of high-performance solid-state Li-ion batteries

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Garnet-type solid-state electrolytes (SSEs) for Li-ion batteries offer a range of attractive benefits, including high ionic conductivity (approaching 1 mS cm −1 at room temperature); excellent environmental stability with processing flexibility; and a wide electrochemical stability window. With the garnet composition Li 7 La 2.75

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Univ. of Texas researchers propose lithium- or sodium-water batteries as next generation of high-capacity battery technology; applicable for EVs and grid storage

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Example of a lithium-water rechargeable battery. Researchers at the University of Texas, including Dr. John Goodenough, are proposing a strategy for high-capacity next-generation alkali (lithium or sodium)-ion batteries using water-soluble redox couples as the cathode. A typical Li-air battery discharges at 2.5-2.7

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Goodenough and UT team report new strategy for all-solid-state Na or Li battery suitable for EVs; plating cathodes

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The cells use a solid glass electrolyte having a Li + or Na + conductivity >10 -2 S cm -1 at 25 ˚C with a motional enthalpy ≈ 0.06 Traditional rechargeable batteries use a liquid electrolyte and an oxide as a cathode host into which the working cation of the electrolyte is inserted reversibly over a finite solid-solution range.

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UT Austin team develops new family of high-capacity anode materials: Interdigitated Eutectic Alloys

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Researchers in the Cockrell School of Engineering at The University of Texas at Austin have developed a new family of anode materials that can double the charge capacity of lithium-ion battery anodes. It is a simple, low-cost approach that can be applied to a broad range of alloy systems with various working ions such as Li, Na, or Mg.

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UT Austin team identifies promising new cathode material for sodium-ion batteries: eldfellite

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Professor John Goodenough, the inventor of the lithium-ion battery, and his team at the University of Texas at Austin have identified a new cathode material made of the nontoxic and inexpensive mineral eldfellite (NaFe(SO 4 ) 2 ), presenting a significant advancement in the quest for a commercially viable sodium-ion battery.

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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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Electrofuels approaches will use organisms able to extract energy from other sources, such as solar-derived electricity or hydrogen or earth-abundant metal ions. The critical barrier to wider deployment of electric vehicles is the high cost and low energy of today’s batteries. Electrofuels. Sion Power Corporation.

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