NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY ELECTRODE BINDER, NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY ELECTRODE COMPOSITION, NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY ELECTRODE, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
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United States of America Patent
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Sep 26, 2024
app pub date -
Jul 20, 2022
filing date -
Aug 4, 2021
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Abstract
This non-aqueous electrolyte secondary cell electrode binder includes at least: a carboxymethyl cellulose which has a carboxymethyl substitution degree per anhydroglucose unit of 0.5-1.2, and a 1 mass % aqueous solution viscosity, measured by a B-type viscometer (30 rpm) at 25° C., of 1,000-20,000 Pa·s and/or a salt thereof; and a borate. The non-aqueous electrolyte secondary cell electrode binder preferably includes the borate in the range of 0.1-20 mass % with respect to 100 mass % of the solid content of the carboxymethyl cellulose or salt thereof.
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