NONAQUEOUS ELECTROLYTE BATTERY
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United States of America Patent
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Issued Date -
Jan 17, 2002
app pub date -
Feb 12, 1999
filing date -
Feb 13, 1998
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A nonaqueous electrolyte battery which is capable of minimizing damage if the battery is crushed with pressure is disclosed. The nonaqueous electrolyte battery according to the present invention incorporates: a spirally coil formed by, through a separator, winding a positive electrode which incorporates an elongated positive-electrode collector having two sides on each of which an active material for the positive electrode has been formed and a negative electrode which incorporates an elongated negative-electrode collector having two sides on each of which an active material for the negative electrode has been formed, wherein the positive electrode has a lengthwise directional end which has two sides each of which is provided with a positive-electrode-collector exposed portion in which a positive-electrode collector is exposed, the negative electrode has a lengthwise directional end which has two sides each of which is provided with a negative-electrode-collector exposed portion in which a negative-electrode collector is exposed, and the positive-electrode-collector exposed portion and the negative-electrode-collector exposed portion cover the coil one or more times through the separator.
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