Nonaqueous electrolyte secondary cell
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United States of America Patent
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Feb 2, 1999
Grant Date -
N/A
app pub date -
Mar 18, 1997
filing date -
Mar 19, 1996
priority date (Note) -
Expired
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Abstract
A nonaqueous electrolyte secondary cell, wherein a lithium-containing metal oxide capable of binding and releasing lithium is used as a positive electrode, and a nonaqueous electrolyte containing a lithium salt is used as an electrolyte, in which a spinel type lithium manganese oxide which satisfies the formula: Li?Mn.sub.2-x Li.sub.x !O.sub.4-.delta. wherein 0.ltoreq.x.ltoreq.0.05, and -0.025.ltoreq..delta..ltoreq.0.050, and wherein the average valency of Mn is within a range of from 3.501 to 3.535, is used as the lithium-containing metal oxide.
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