Non-aqueous electrolyte and secondary battery using the same

Non-aqueous electrolyte and secondary battery using the same

  • CN 101,523,658 B
  • Filed: 10/09/2007
  • Issued: 09/24/2014
  • Est. Priority Date: 10/09/2006
  • Status: Active Grant
First Claim
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1. a secondary cell electrolysis matter, comprises electrolytic salt and electrolyte solvent, and described electrolyte comprises compound based on lactams and containing the compound of sulfinyl,Compound that wherein should be based on lactams and be respectively epsilon-caprolactams and propane sultone, epsilon-caprolactams and glycol sulfite or N-acetyl group caprolactam and propane sultone containing the compound of sulfinyl,Wherein should with the amount of 0.05-10 weight portion in every 100 weight portion electrolyte, use by the compound based on lactams, and should with the amount of 0.5-5 weight portion in every 100 weight portion electrolyte, use containing the compound of sulfinyl,Wherein should have with respect to Li with the compound that should contain sulfinyl by the compound based on lactams +0 to 0.7V the reduction potential tolerance of/Li.

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