Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 133, Issue 15, Pages 5756-5759Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja201118f
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Funding
- Office of Vehicle Technologies, U.S. Department of Energy [DE-AC02-05CH11231, 6805919]
- Office of Basic Energy Sciences, Office of Science, U.S. Department of Energy [DE-SC0005397]
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The lithium-ion batteries that ushered in the wireless revolution rely on electrode strategies that are being stretched to power electric vehicles. Low-cost, safe electrical-energy storage that enables better use of alternative energy sources (e.g., wind, solar, and nuclear) requires an alternative strategy. We report a demonstration of the feasibility of a battery having a thin, solid alkali-ion electrolyte separating a water-soluble redox couple as the cathode and lithium or sodium in a nonaqueous electrolyte as the anode. The cell operates without a catalyst and has high storage efficiency. The possibility of a flow-through mode for the cathode allows flexibility of the cell design for safe, large-capacity electrical-energy storage at an acceptable cost.
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