Binder composition for electrochemical device electrode, slurry composition for electrochemical device electrode, electrode for electrochemical device, and electrochemical device
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United States of America
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Jan 28, 2025
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Jun 24, 2019
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Jun 24, 2019
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Abstract
Provided is a binder composition for an electrochemical device electrode with which it is possible to form an electrode mixed material layer that has excellent peel strength and dusting resistance and that can cause an electrochemical device to display excellent rate characteristics. The binder composition for an electrochemical device electrode contains a binder and an organic solvent. The binder includes a particulate polymer A and a polymer B. The particulate polymer A has a core-shell structure including a core portion and a shell portion at least partially covering an outer surface of the core portion, and a polymer forming the shell portion has a glass-transition temperature of −50° C. to 20° C. A mixture obtained by mixing the polymer B in a concentration of 8 mass % with the organic solvent has a viscosity at a shear rate of 1 s−1 of 100 mPa·s to 10,000 mPa·s.
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