Non-aqueous electrolyte secondary battery
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United States of America Patent
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Jul 23, 2002
Issued Date -
N/A
app pub date -
May 30, 2000
filing date -
May 22, 1997
priority date (Note) -
Expired
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Abstract
Disclosed is a negative electrode active material offering a long life non-aqueous electrolyte secondary battery with high energy density that shows excellent cycle life characteristics. The negative electrode active material comprises a compound represented by the formula DSnO.sub.3 wherein D represents at least one selected from the group consisting of alkaline earth metals.
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