NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY CELL
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United States of America Patent
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Nov 24, 2016
app pub date -
Dec 12, 2014
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Dec 12, 2014
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Abstract
Adhesion between particles in a negative electrode for non-aqueous secondary cells is improved for better cycle characteristics. A negative electrode for non-aqueous secondary cells contains silicon-containing particles and graphite particles as negative electrode active materials. The graphite particles have a first coating layer that contains carboxymethyl cellulose, and the first coating layer has an average thickness of 10 nm or more. The silicon-containing particles have a second coating layer that contains carboxymethyl cellulose, and the second coating layer has an average thickness of 10 nm or more.
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