The Webb Law Firm
Separator for lithium secondary battery and lithium secondary battery containing thereof
Provided are a separator for a lithium secondary battery in which an entire thickness of the separator and a ratio of a heat-resistant layer included in the separator satisfy specific ranges, respectively, and a battery including the same. The separator has significantly excellent heat resistance and mechanical strength, and it is possible to manufacture a high capacity and high output battery using the separator, thereby making it possible to significantly improve safety even in the high capacity and the high output battery.
SK Innovation Co., Ltd. SK IE Technology Co., Ltd.
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Kyu Young Dong Jin Yun Bong Su Ji
Cho Joo Kim Lee