A binder for lithium ion rechargeable battery cells

A binder for lithium ion rechargeable battery cells

  • CN 102,439,768 A
  • Filed: 05/07/2010
  • Published: 05/02/2012
  • Est. Priority Date: 05/11/2009
  • Status: Active Application
First Claim
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1. electrode that is used for the Lithuim rechargeable battery Battery pack, it comprises:

  • -current-collector and-comprise as the silicon of active material and the adhesion substance of polymer adhesive;

    It is characterized in that said polymer adhesive is for being selected from acrylic acid, 3-butenoic acid, 2-methacrylic acid, 2-penetenoic acid, 2;

    3-dimethacrylate, 3;

    The homopolymers of one or more monomers of 3-dimethacrylate, fumaric acid, maleic acid and itaconic acid or copolymer and optional its alkali metal salt;

    Wherein said silicon accounts for the 20-100% of said active material, and wherein said adhesive is mixed with silicon with formation and stick to the adhesion substance on the current-collector and make said adhesion substance and current-collector keeps electrically contacting.

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