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Cathode material for lithium secondary battery and method for producing lithiated nickel dioxide and lithium secondary battery

  • US 5,677,086 A
  • Filed: 07/01/1996
  • Issued: 10/14/1997
  • Est. Priority Date: 07/15/1993
  • Status: Expired due to Term
First Claim
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1. A cathode material for a lithium secondary battery comprising lithiated nickel dioxide having an α

  • -NaFeO2 structure before a first charging/discharging cycle of the battery and maintaining the α

    -NaFeO2 structure after the first charging/discharging cycle, and the cathode material having a first charging/discharging coulomb efficiency of at least 85% contributed by the α

    -NaFeO2 structure.

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