PROTON CONDUCTIVE POWDER AND CATALYST COMPOSITION AND USE THEREOF

• Main Authors: FUKAMACHI MASATO, OKADA MASAKI
• Format: Patent
• Language: English
• Published: 18.04.2013
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; BASIC ELECTRIC ELEMENTS; CABLES; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; COMPOSITIONS BASED THEREON; CONDUCTORS; ELECTRICITY; GENERAL PROCESSES OF COMPOUNDING; INSULATORS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; 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; THEIR RELEVANT APPARATUS; TRANSPORTING; WORKING-UP

PROBLEM TO BE SOLVED: To provide a new powder with high heat resistance, and having proton conductivity enabling to perform stable proton conduction even in a high temperature of 100°C or higher; to provide a catalyst composition using this; an electrode catalyst; MEA (membrane electrode assembly); and a fuel cell.SOLUTION: This proton conductive powder includes an organopolysiloxane expressed by formula (1), where in formula, Ris anyone selected from CH, CH, CH, CH, CH, H and OH; Ris anyone selected from CH, CH, CH, CHand CH, Rand Rmay be the same or different; A is anyone selected from OH, CH, CH, CH, CHand -O- having a role in cross-linkage, individual As may be different each other; m1 and m2 are each an integer of 1 to 10; and n is an integer of 1 to 20.