CARBON POWDER FOR FUEL CELL, CATALYST USING SAID CARBON POWDER FOR FUEL CELL, ELECTRODE CATALYST LAYER, MEMBRANE ELECTRODE ASSEMBLY, AND FUEL CELL

The present invention provides: a carbon powder with which it is possible to provide a catalyst having excellent durability; and a catalyst. This carbon powder for a fuel cell is a carbon powder having carbon as a main component, wherein the BET specific surface area according to nitrogen adsorption...

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Main Authors MASHIO, Tetsuya, SHODAI, Yoshio, UCHIMURA, Masanobu, OHMA, Atsushi, MORISHITA, Takahiro
Format Patent
LanguageEnglish
French
Japanese
Published 29.09.2016
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Abstract The present invention provides: a carbon powder with which it is possible to provide a catalyst having excellent durability; and a catalyst. This carbon powder for a fuel cell is a carbon powder having carbon as a main component, wherein the BET specific surface area according to nitrogen adsorption is 800 m2/g or more, and when the area of a peak 0 at a position where 2θ=22.5-25° as observed by XRD analysis is termed A and the area of a peak 1 at a position where 2θ=26° as observed by XRD analysis is termed B, the ratio (B/A) of the area B of peak 1 to the area A of peak 0 is 0.06 or more. La présente invention concerne : une poudre de carbone grâce à laquelle il est possible de produire un catalyseur présentant une excellente durabilité ; et un catalyseur. Cette poudre de carbone pour pile à combustible est une poudre de carbone comprenant du carbone comme constituant principal, la surface spécifique BET déterminée par adsorption d'azote étant supérieure ou égale à 800 m2/g, et quand on appelle A l'aire d'un pic 0 à une position où 2θ = 22,5 à 25° comme observé par analyse de diffraction des rayons X (XRD) et on appelle B l'aire d'un pic 1 à une position où 2θ = 26° comme observé par analyse XRD, le rapport (B/A) de l'aire B du pic 1 sur l'aire A du pic 0 est supérieur ou égal à 0,06.  本発明は、耐久性に優れる触媒を提供できる炭素粉末および触媒を提供する。本発明の燃料電池用炭素粉末は、炭素を主成分とする炭素粉末であって、窒素吸着によるBET比表面積が800m2/g以上であり、かつXRD分析によって観測される2θ=22.5°~25°の位置に存在するピーク0の面積をA、XRD分析によって観測される2θ=26°の位置に存在するピーク1の面積をBとした場合、ピーク0の面積Aに対するピーク1の面積Bの比(B/A)が0.06以上である。
AbstractList The present invention provides: a carbon powder with which it is possible to provide a catalyst having excellent durability; and a catalyst. This carbon powder for a fuel cell is a carbon powder having carbon as a main component, wherein the BET specific surface area according to nitrogen adsorption is 800 m2/g or more, and when the area of a peak 0 at a position where 2θ=22.5-25° as observed by XRD analysis is termed A and the area of a peak 1 at a position where 2θ=26° as observed by XRD analysis is termed B, the ratio (B/A) of the area B of peak 1 to the area A of peak 0 is 0.06 or more. La présente invention concerne : une poudre de carbone grâce à laquelle il est possible de produire un catalyseur présentant une excellente durabilité ; et un catalyseur. Cette poudre de carbone pour pile à combustible est une poudre de carbone comprenant du carbone comme constituant principal, la surface spécifique BET déterminée par adsorption d'azote étant supérieure ou égale à 800 m2/g, et quand on appelle A l'aire d'un pic 0 à une position où 2θ = 22,5 à 25° comme observé par analyse de diffraction des rayons X (XRD) et on appelle B l'aire d'un pic 1 à une position où 2θ = 26° comme observé par analyse XRD, le rapport (B/A) de l'aire B du pic 1 sur l'aire A du pic 0 est supérieur ou égal à 0,06.  本発明は、耐久性に優れる触媒を提供できる炭素粉末および触媒を提供する。本発明の燃料電池用炭素粉末は、炭素を主成分とする炭素粉末であって、窒素吸着によるBET比表面積が800m2/g以上であり、かつXRD分析によって観測される2θ=22.5°~25°の位置に存在するピーク0の面積をA、XRD分析によって観測される2θ=26°の位置に存在するピーク1の面積をBとした場合、ピーク0の面積Aに対するピーク1の面積Bの比(B/A)が0.06以上である。
Author MORISHITA, Takahiro
UCHIMURA, Masanobu
MASHIO, Tetsuya
OHMA, Atsushi
SHODAI, Yoshio
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DocumentTitleAlternate 燃料電池用炭素粉末ならびに当該燃料電池用炭素粉末を用いる触媒、電極触媒層、膜電極接合体および燃料電池
POUDRE DE CARBONE POUR PILE À COMBUSTIBLE, CATALYSEUR UTILISANT LADITE POUDRE DE CARBONE POUR PILE À COMBUSTIBLE, COUCHE DE CATALYSEUR D'ÉLECTRODE, ENSEMBLE MEMBRANE-ÉLECTRODES, ET PILE À COMBUSTIBLE
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RelatedCompanies TOYO TANSO CO., LTD
NISSAN MOTOR CO., LTD
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Snippet The present invention provides: a carbon powder with which it is possible to provide a catalyst having excellent durability; and a catalyst. This carbon powder...
SourceID epo
SourceType Open Access Repository
SubjectTerms BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
Title CARBON POWDER FOR FUEL CELL, CATALYST USING SAID CARBON POWDER FOR FUEL CELL, ELECTRODE CATALYST LAYER, MEMBRANE ELECTRODE ASSEMBLY, AND FUEL CELL
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