METHOD FOR PRODUCING CARBON-CARRIED CORE-SHELL TYPE CATALYST FINE PARTICLE, METHOD FOR PRODUCING CATALYST INK USING THE CORE-SHELL TYPE CATALYST FINE PARTICLE OBTAINED BY THE PRODUCTION METHOD, AND CATALYST LAYER CONTAINING THE CATALYST INK OBTAINED BY THE PRODUCTION METHOD

• Main Authors: ARAI TATSUYA, TANIGUCHI TAKUMI, SEKIZAWA YOSHIFUMI, KIMURA HIROKO
• Format: Patent
• Language: English
• Published: 04.11.2011
• Subjects: BASIC ELECTRIC ELEMENTS; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; ELECTRICITY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; THEIR RELEVANT APPARATUS; TRANSPORTING

PROBLEM TO BE SOLVED: To provide a method for producing carbon-carried core-shell type catalyst fine particle, and a method for producing catalyst ink using the core-shell type catalyst fine particle obtained by the production method, and to provide a catalyst layer containing the catalyst ink obtained by the production method.SOLUTION: The method for producing carbon-carried core-shell type catalyst fine particle having a core part and a shell part coating the core part includes: a step of preparing a core fine particle supported on a carbon carrier; a step of inactivating a functional group existing on the surface of the carbon carrier by mixing the core fine particle and a deactivator; and a step of coating the shell part on the core part after the inactivating step and the core fine particle is treated as the core part.