WOUND ELECTRODE GROUP AND NONAQUEOUS ELECTROLYTE BATTERY
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United States of America Patent
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app pub date -
Aug 8, 2016
filing date -
Feb 25, 2014
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Abandoned
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Abstract
In general, according to one embodiment, a wound electrode group wound in a flat-shape is provided. The laminate includes a positive electrode, a negative electrode, and a separator provided between the positive electrode and the negative electrode. The negative electrode contains a negative electrode active material whose operating potential is nobler than 1.0 V (vs. Li/Li+). Both surfaces of the edge part of the positive electrode face the negative electrode through the separator. Both surfaces of the edge part of the negative electrode face the positive electrode through the separator. An innermost circumference of the wound electrode group includes the edge part of the positive electrode and the edge part of the negative electrode.
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