Organic/inorganic composite microporous membrane and electrochemical device prepared thereby

Organic/inorganic composite microporous membrane and electrochemical device prepared thereby

  • CN 101,088,183 B
  • Filed: 12/22/2005
  • Issued: 06/06/2012
  • Est. Priority Date: 12/22/2004
  • Status: Active Grant
First Claim
Patent Images

1. organic/inorganic composite porous dividing plate, said dividing plate comprises:

  • (a) polyolefin-based dividing plate base material;

    With(b) the mixture coating with inorganic particulate and binder polymer is selected from the active layer that substrate surface forms with at least one zone that is present in a part of hole in the base material, and said inorganic particulate has the size between 0.001 μ

    m and the 10 μ

    m,Interconnect between the inorganic particulate in the wherein said active layer itself and bonded dose of polymer fixed, interstitial volume between inorganic particulate forms pore structure,Mixture in inorganic particulate and binder polymer is 100 weight %, and the amount of inorganic particulate is 50 weight %~

    99 weight % in the said mixture.

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