LITHIUM-BASED ANODE WITH IONIC LIQUID POLYMER GEL
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United States of America Patent
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Issued Date -
Apr 5, 2012
app pub date -
Sep 30, 2011
filing date -
Sep 30, 2010
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Abandoned
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Abstract
Li-based anodes for use in an electric current producing cells having long life time and high capacity are provided. In certain embodiments, the Li-based anode comprises at least one anode active Li-containing compound and a composition comprising at least one polymer, at least one ionic liquid, and optionally at least one lithium salt. The composition may be located between the at least one Li-containing compound and the catholyte used in the electric current producing cell. In some embodiments, the at least one polymer may be incompatible with the catholyte. This configuration of components may lead to separation between the lithium active material of the anode and the catholyte. Processes for preparing the Li-based anode and to electric current producing cells comprising such an anode are also provided.
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