Nonaqueous electrolytic solution secondary battery distance piece

Nonaqueous electrolytic solution secondary battery distance piece

  • CN 107,611,324 A
  • Filed: 08/29/2017
  • Published: 01/19/2018
  • Est. Priority Date: 08/31/2016
  • Status: Active Application
First Claim
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1. a kind of nonaqueous electrolytic solution secondary battery distance piece, it is comprising the perforated membrane using polyolefin-based resins as principal componentNonaqueous electrolytic solution secondary battery distance piece,The perforated membrane contains phosphoric acid ester,The content of the phosphoric acid ester with the mass ratio relative to the overall quality of the perforated membrane be calculated as more than 5ppm andBelow 700ppm.

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