Protected lithium electrodes having porous ceramic separators, including an integrated structure of porous and dense Li ion conducting garnet solid electrolyte layers
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United States of America Patent
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Jun 14, 2016
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Jan 15, 2014
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Feb 6, 2004
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Abstract
Active metal and active metal intercalation electrode structures and battery cells having ionically conductive protective architecture including an active metal (e.g., lithium) conductive impervious layer separated from the electrode (anode) by a porous separator impregnated with a non-aqueous electrolyte (anolyte). This protective architecture prevents the active metal from deleterious reaction with the environment on the other (cathode) side of the impervious layer, which may include aqueous or non-aqueous liquid electrolytes (catholytes) and/or a variety electrochemically active materials, including liquid, solid and gaseous oxidizers. Safety additives and designs that facilitate manufacture are also provided.
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