Separator for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery
AssigneeSumitomo Chemical Company, Limited
InventorsYasuo Shinohara, Yasunori Nishida, Tsutomu Takahashi
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Abstract
A separator for non-aqueous electrolyte secondary battery, wherein the separator comprises a shut-down layer, a heat-resistant microporous layer, and a spacer having a form of particles, fibers, net or porous film on the surface of the heat-resistant microporous layer. The separator has a shut-down function, heat-resistance and excellent electrochemical oxidation resistance, and a battery having improved safety can be produced.
Claims11
A separator for non-aqueous electrolyte secondary battery, wherein the separator comprises a shut-down layer, a heat-resistant microporous layer, and a spacer having a form of particles, fibers, net or porous film on the surface of the heat-resistant microporous layer.
Dependencies are inferred from the claim text.