VINYLIDENE FLUORIDE COPOLYMER FOR GEL-FORM SOLID ELECTROLYTE FORMATION, SOLID ELECTROLYTE, AND BATTERY

• Main Authors: ICHIKAWA, YUKIO, KATSURAO, TAKUMI, HORIE, KATSUO, NAGAI, AISAKU
• Format: Patent
• Language: English; French; Japanese
• Published: 04.02.1999
• Edition: 6
• Subjects: BASIC ELECTRIC ELEMENTS; CABLES; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; CONDUCTORS; ELECTRICITY; INSULATORS; 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; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES; THEIR PREPARATION OR CHEMICAL WORKING-UP

A solid polymer electrolyte having improved ionic conductivity, improved adhesion to a collector base, and greatly improved heat resistance is formed from a crosslinked vinylidene fluoride copolymer comprising 50 to 97 mol % of vinylidene fluoride monomer units and 0.1 to 5 mol % of units derived fr...