| 摘要 |
PROBLEM TO BE SOLVED: To provide a non-aqueous electrolyte secondary battery of which internal resistance increases during abnormality. SOLUTION: Gas generating agent is contained on a surface or in an inside of at least one layer selected from a group of a positive electrode active material layer 120, an electrolyte layer 110, and a negative electrode active material layer 130. When a temperature of the secondary battery reaches 60-300°C, gas is generated from the gas generating agent. The gas generating agent is a compound for generating gas containing nitrogen or carbon dioxide. COPYRIGHT: (C)2008,JPO&INPIT
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