H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 8/02 (2006.01) H01B 1/24 (2006.01) H01M 4/96 (2006.01)
Patent
CA 2419391
The invention concerns a conductive composite material consisting of a kneaded and compressed mixture. The mixture comprises: 40 to 90 % by volume of a flake graphite powder comprising a type of flake graphite consisting of agglomerates of graphite particles mutually bound and superimposed so that their main planes are mutually parallel, said agglomerates having a planar anisotropy and having 10 µm sidewise and between 5 and 50 µm in thickness; 0 to 25 % by volume of conductive fibres; 10 to 40 % by volume of an organic binder. Said material is useful for making fuel cell electrodes.
L'invention concerne un matériau composite conducteur constitué d'un mélange malaxé et compressé. Le mélange comprend :- de 40 à 90% en volume d'une poudre de graphite lamellaire comprenant un type de graphite lamellaire formé d'agglomérats de particules de graphite liées et superposées entre elles de façon que leurs plans principaux soient parallèles entre eux, ces agglomérats présentant une anisotropie planaire et ayant entre 10 µm et 1 mm de côté et entre 5 et 50 µm d'épaisseur,- de 0 à 25% en volume de fibres conductrices,- de 10 à 40% en volume d'un liant organique.Ce matériau est utilisable pour la réalisation d'électrodes pour piles à combustible.
Jousse Franck
Marsacq Didier
Mazabraud Philippe
Salas Jean-Felix
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