A kind of high-temperature Ni/H 2 battery barrier film

A kind of high-temperature Ni/H 2 battery barrier film

  • CN 106,159,164 A
  • Filed: 09/29/2016
  • Published: 11/23/2016
  • Est. Priority Date: 09/29/2016
  • Status: Active Application
First Claim
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1. a high-temperature Ni/H 2 battery barrier film, is characterized in that:

  • described barrier film is by containing polyolefin composite fiber and thermally-stabilised fibreThe nonwoven fabric base fabric graft acrylic acid via radiation of dimension and/or Sodium styrene sulfonate operation, and rolling and molding operation makes;

    DescribedPolyolefin composite fiber be cortex be polyethylene, sandwich layer be polyacrylic skin-core structure composite fibre, its surface density be 58~

    67g/m2, mass fraction is 70~

    95%;

    Described thermally-stabilised fiber is ultra-fine ultrashort long and slender more than 120 DEG C of shrinkage temperatureDimension, its mass fraction is 5.0~

    30%;

    The fineness of above-mentioned fiber is 0.55~

    1.65dtex, the length of fiber be 3~

    8mm。

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