SULFUR-MODIFIED POLYACRYLONITRILE, ELECTRODE ACTIVE MATERIAL CONTAINING SAME, SECONDARY BATTERY ELECTRODE CONTAINING SAID ELECTRODE ACTIVE MATERIAL, MANUFACTURING METHOD FOR SAID ELECTRODE, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING SAID ELECTRODE

• Main Authors: TAKENOUCHI, Hiromi, AKIMOTO, Kensaku, YOKOMIZO, Tomofumi, SHINANO, Hirokatsu, AOYAMA, Yohei
• Format: Patent
• Language: English; French; Japanese
• Published: 06.01.2022
• Subjects: BASIC ELECTRIC ELEMENTS; CHEMISTRY; COMPOSITIONS BASED THEREON; ELECTRICITY; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; THEIR PREPARATION OR CHEMICAL WORKING-UP

The present invention provides: a sulfur-modified polyacrylonitrile in which the total sulfur content is 30-55 mass%, and the amount of free sulfur obtained by a solvent extraction method is 0.05 mass ppm to 4 mass%; an electrode active material containing the same; a secondary battery electrode con...