Water based composition used for modifying diaphragm for lithium ion battery and modified diaphragm and battery

Water based composition used for modifying diaphragm for lithium ion battery and modified diaphragm and battery

  • CN 105,440,770 A
  • Filed: 06/30/2014
  • Published: 03/30/2016
  • Est. Priority Date: 06/30/2014
  • Status: Active Application
First Claim
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1. , for the waterborne compositions of modification lithium-ion battery barrier film, comprise water adhesive for lithium ion battery and be scattered in organic nanometer granule filler wherein;

  • Described organic nanometer granule filler be polymkeric substance 1 nano particle or at least Surface coating have the nano particle of polymkeric substance 1;

    The particle diameter of described nano particle is 50 ~ 2000nm, preferably 100 ~ 700nm;

    Described polymkeric substance 1 is selected from least one in polymethylmethacrylate, ethylene-vinyl acetate copolymer, ethylene-acrylic acid copolymer, ethylene-butyl acrylate copolymer, ethylene-methyl acrylate copolymer, ethylene-ethyl acrylate copolymer, urethane.

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