CPC B32B 3/26 (2013.01) [B32B 5/022 (2013.01); B32B 5/08 (2013.01); B32B 7/04 (2013.01); B32B 27/12 (2013.01); B32B 27/205 (2013.01); B32B 27/302 (2013.01); B32B 27/304 (2013.01); B32B 27/308 (2013.01); B32B 27/32 (2013.01); B32B 27/40 (2013.01); H01M 50/403 (2021.01); H01M 50/414 (2021.01); H01M 50/417 (2021.01); H01M 50/42 (2021.01); H01M 50/423 (2021.01); H01M 50/426 (2021.01); H01M 50/44 (2021.01); H01M 50/451 (2021.01); H01M 50/454 (2021.01); H01M 50/457 (2021.01); H01M 50/489 (2021.01); H01M 50/491 (2021.01); B32B 2250/24 (2013.01); B32B 2255/02 (2013.01); B32B 2255/26 (2013.01); B32B 2260/021 (2013.01); B32B 2260/046 (2013.01); B32B 2262/02 (2013.01); B32B 2262/0238 (2013.01); B32B 2262/0253 (2013.01); B32B 2262/0261 (2013.01); B32B 2262/0269 (2013.01); B32B 2262/0276 (2013.01); B32B 2262/0284 (2013.01); B32B 2262/12 (2013.01); B32B 2262/14 (2013.01); B32B 2264/102 (2013.01); B32B 2264/104 (2013.01); B32B 2264/12 (2013.01); B32B 2274/00 (2013.01); B32B 2307/206 (2013.01); B32B 2307/732 (2013.01); B32B 2457/10 (2013.01); H01M 10/052 (2013.01)] | 15 Claims |
1. A battery separator comprising:
a first coating layer adhered to a first surface of a first nonwoven layer;
a second surface of the first nonwoven layer is laminated to a first surface of a second coating layer;
a second surface of the second coating layer is adhered to a first surface of a polyolefin microporous membrane,
a second surface of the polyolefin microporous membrane is adhered to a first surface of a third coating layer;
a second surface of the third coating layer is laminated to a first surface of a second nonwoven layer; and
a second surface of the second nonwoven layer is adhered to a fourth coating layer.
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