Lithium battery which is protected in case of inappropriate use

Lithium battery which is protected in case of inappropriate use

  • CN 1,918,733 A
  • Filed: 02/04/2005
  • Published: 02/21/2007
  • Est. Priority Date: 02/12/2004
  • Status: Active Application
First Claim
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1. lithium battery, at least comprise positive pole, negative pole and nonaqueous electrolyte, this nonaqueous electrolyte is configured between this positive pole and the negative pole and comprises the lithium salts that is dissolved in the aprotic organic solvent at least, be added with the polymerizable additive in this aprotic organic solvent, design this polymerizable additive and make this battery not work when reaching the value that causes this additive polymerization with the voltage in the terminal junction of battery, this battery characteristics is that this positive pole comprises with respect to Li +The lithium of the electrochemical potentials that/Li is right embeds and deviates from current potential is less than or equal to 3.5 volts material, and this polymerizable additive is selected from carbazole and derivative thereof.

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