CPC H01M 4/666 (2013.01) [H01M 4/13 (2013.01); H01M 4/133 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/667 (2013.01); H01M 10/0525 (2013.01); H01M 2004/028 (2013.01)] | 4 Claims |
1. A positive electrode for a nonaqueous electrolyte secondary battery comprising:
a positive electrode current collector;
a positive electrode mixture layer which is disposed on at least one surface side of the positive electrode current collector; and
an intermediate layer which is interposed between the positive electrode current collector and the positive electrode mixture layer,
wherein the intermediate layer contains insulating inorganic particles having a thermal conductivity of less than 50 W/mK, highly thermal conductive particles having a thermal conductivity of 50 W/mK or more, a thermoplastic resin, and polyvinylidene fluoride;
the content of the inorganic particles is in a range of from 50% to 67% by mass relative to the mass of the intermediate layer;
the content of the highly thermal conductive particles is 10 to 30% by mass relative to the mass of the intermediate layer;
the content of the thermoplastic resin is 5 to 20% by mass relative to the mass of the intermediate layer;
the highly thermal conductive particles are metal particles containing Al; and
the inorganic particles are aluminum oxide.
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