Secondary battery utilizing a mixed binder
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United States of America Patent
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Jan 10, 1995
Grant Date -
N/A
app pub date -
Dec 28, 1993
filing date -
Dec 28, 1992
priority date (Note) -
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Abstract
A secondary battery has a positive electrode principally comprising a lithium-containing complex oxide, a negative electrode principally comprising a carbon material and an organic electrolyte solution, said negative electrode utilizing a mixed binder comprising a polyamic acid and at least one polymer selected from the group consisting of a polyamide resin, polyvinylpyrrolidone and a hydroxyalkylcellulose. The battery has a long cycle life and, at the same time, hardly breaks or bursts even when the battery temperature becomes abnormally high, thereby being highly reliable.
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