Separator-integrated electrode and nonaqueous electrolyte secondary battery
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United States of America Patent
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Apr 11, 2017
Grant Date -
Sep 3, 2015
app pub date -
Aug 26, 2013
filing date -
Sep 27, 2012
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Abstract
Provided are a separator-integrated electrode and a nonaqueous electrolyte secondary battery with a reduced risk of a short circuit between electrodes due to precipitation of metallic lithium on a surface of an electrode mixture layer. A positive electrode (12) configured as a separator-integrated electrode includes a positive current collector (22), a positive active material layer (24) formed on a surface thereof, a first porous layer (26) formed on a surface of the positive active material layer (24) and containing inorganic particles, and a second porous layer (28) formed on a surface of the first porous layer (26) and made of resin fibers.
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