Separator for nonaqueous secondary battery and nonaqueous secondary battery using the same
The present invention relates to a separator for nonaqueous secondary battery and a nonaqueous secondary battery using the same. The present invention provides a nonaqueous secondary battery and a separator to be used therein. The separator comprises a polyolefin membrane containing one or more conj...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The present invention relates to a separator for nonaqueous secondary battery and a nonaqueous secondary battery using the same.
The present invention provides a nonaqueous secondary battery and a separator to be used therein. The separator comprises a polyolefin membrane containing one or more conjugated polyene compounds provided on the surface thereof. The nonaqueous secondary battery having this arrangement performs improved cycle life characteristics and shelf characteristics at high temperatures. |
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