Nonaqueous electrolyte cell
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United States of America Patent
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Issued Date -
Mar 29, 2007
app pub date -
Mar 18, 2004
filing date -
May 15, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
It is aimed at providing a nonaqueous electrolyte cell excellent in cell performance in a high-temperature environment. A nonaqueous electrolyte cell comprising a positive electrode and a negative electrode, and produced by using a nonaqueous electrolyte including at least one kind of a cyclic carbonate having a carbon-carbon .pi. bond and at least one kind of a cyclic organic compound having an S.dbd.O bond, characterized in that the positive electrode is constituted of a positive-electrode active material including a main component which is a fired oxide having a layered rock salt type crystal structure represented by Li.sub.m[Ni.sub.bM.sub.(1-b)O.sub.2] (M is one or more kinds of elements included in 1 to 16 groups excluding Ni, Li, and O; and 0.ltoreq.m.ltoreq.1.1), and in which the value of b is 0
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