High-wettability separator and preparation method thereof

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United States of America Patent

PATENT NO 11031654
APP PUB NO 20190157645A1
SERIAL NO

16306554

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Abstract

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Disclosed in present invention are a high-wettability separator and a preparation method therefor. The separator comprises an ethylene copolymer, a grafting polyolefin, an ultrahigh molecular weight polyethylene having a molecular weight ranging from 1.0×106 to 10.0×106, and a high-density polyethylene having a density ranging from 0.940 g/cm3 to 0.976 g/cm3, the content of the ethylene copolymer is 1-5 parts by weight, and the content of the grafting polyolefin is 0-5 parts by weight, on the basis that the total weight of the ultrahigh molecular weight polyethylene and the high-density polyethylene is 100 parts. The separator has a contact angle with lithium ion battery electrolyte of 20° to 40°.

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Patent Owner(s)

Patent OwnerAddress
SHANGHAI ENERGY NEW MATERIALS TECHNOLOGY CO LTDNO 155 NANLU ROAD PUDONG NEW AREA SHANGHAI 201399

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cheng, Alex Shanghai, CN 24 109
Deng, Honggui Shanghai, CN 5 2
He, Fangbo Shanghai, CN 8 8
Wang, Weiqiang Shanghai, CN 32 168
Xiong, Lei Shanghai, CN 17 19

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