Lithium manganese oxy-fluorides for li-ion rechargeable battery electrodes
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United States of America Patent
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Oct 7, 1997
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Sep 6, 1996
filing date -
Sep 6, 1996
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Abstract
The cycling stability and capacity of li-ion rechargeable batteries are improved by the use of lithium manganese oxy-fluoride electrode component intercalation materials having the general formula, Li.sub.1+x M.sub.y Mn.sub.2-x-y O.sub.4-z F.sub.z, where M is a transition metal, e.g., Co, Cr, or Fe, and x.ltoreq.0.4, y.ltoreq.0.3, and 0.05.ltoreq.z.ltoreq.1.0.
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