Binder composition for secondary battery
AssigneeNEC Corporation
InventorShin SERIZAWA
Life of this patent
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Abstract
A purpose of the present invention is to provide a binder composition for a secondary battery which improves the charge and discharge efficiency and the cycle characteristics of a battery. The binder composition for a secondary battery of the present invention is characterized by comprising a polyamide-imide comprising a repeating unit represented by chemical formula (1) or a precursor thereof, wherein A is a trivalent group obtained by removing carboxyl groups from a tricarboxylic acid, B is a divalent group obtained by removing amino groups from a diamine, and at least one of A and B is an aliphatic group.
Claims10
A binder composition for a secondary battery comprising a polyamide-imide comprising a repeating unit represented by chemical formula (1) or a precursor thereof,
- wherein A is a trivalent group obtained by removing carboxyl groups from a tricarboxylic acid, B is a divalent group obtained by removing amino groups from a diamine, and at least one of A and B is an aliphatic group.
(canceled)
A method for manufacturing an electrode, comprising the steps of:
- mixing a binder composition for a secondary battery comprising a polyamide-imide comprising a repeating unit represented by chemical formula (1) or a precursor thereof, an active material and a solvent to prepare an electrode mixture paste for a secondary battery, and
- applying the electrode mixture paste for a secondary battery to a current collector,
- wherein A is a trivalent group obtained by removing carboxyl groups from a tricarboxylic acid, B is a divalent group obtained by removing amino groups from a diamine, and at least one of A and B is an aliphatic group.
Dependencies are inferred from the claim text.