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Positive electrode for lithium secondary battery, and lithium secondary battery using the same

  • US 20070015058A1
  • Filed: 07/14/2006
  • Published: 01/18/2007
  • Est. Priority Date: 07/14/2005
  • Status: Active Grant
First Claim
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1. A positive electrode, for use in a lithium secondary battery, comprising a positive electrode current collector, and a positive electrode film which is carried on the positive electrode current collector and includes a plurality of mixture layers, wherein the positive electrode film contains, as a positive electrode active material, two or more kinds of lithium-containing compounds having exothermic initiation temperatures different from each other, at least one kind of the two or more kinds of lithium-containing compounds has the exothermic initiation temperature of 300°

  • C. or higher, and a first mixture layer of the plural mixture layers, closest to the positive electrode current collector, contains at least one kind of the lithium-containing compound having the exothermic initiation temperature of 300°

    C. or higher.

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