CYLINDRICAL BATTERY
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United States of America Patent
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Issued Date -
Nov 27, 2014
app pub date -
Sep 4, 2012
filing date -
Sep 14, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A cylindrical battery includes a cylindrical battery case and a cylindrical element including a positive electrode, a negative electrode, and a separator. A space is formed on an inner side of the element. The positive electrode or the negative electrode is split into a plurality of electrode pieces in a circumferential direction.
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