A kind of silicon-based anode high-voltage lithium ion batteries

A kind of silicon-based anode high-voltage lithium ion batteries

  • CN 106,099,174 A
  • Filed: 08/26/2016
  • Published: 11/09/2016
  • Est. Priority Date: 08/26/2016
  • Status: Active Application
First Claim
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1. a silicon-based anode high-voltage lithium ion batteries, including:

  • negative electrode, anode, the barrier film being placed between negative electrode and anode andNonaqueous electrolytic solution, it is characterised in that;

    The active substance of negative electrode is lithium transition-metal oxide;

    The active substance of anode is material based on Si;

    Barrier film is ceramic diaphragm;

    Described nonaqueous electrolytic solution includes;

    non-aqueous organic solvent, lithium salts and additive, additive include fluorinated ethylene carbonate, threeDinitrile compound shown in fluorine methanesulfonic acid lithium and at least one formula IFormula I;

    Wherein, R represents the group that carbon number is 1~

    10;

    R is independently selected from alkylene, ethyoxyl, phenyl, vinylOne in group.

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