ISOLATION FILM, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK AND ELECTRICAL APPARATUS
Provided in the present application are an isolation film, a secondary battery, a battery module, a battery pack and an electrical apparatus. The isolation film sequentially comprises a first area, a main area and a second area in a first direction, wherein at least one surface of the first area and...
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Format: | Patent |
Sprache: | chi ; eng ; fre |
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