ELECTRODE STRUCTURE AND MICROBIAL FUEL CELL

An electrode structure (10) is provided with: an oxygen-permeable water-repellent layer (1); and an electroconductive layer (2) layered on the water-repellent layer, the electroconductive layer (2) holding an oxygen reduction catalyst. The electrode structure is further provided with a filter layer...

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Main Authors KAMAI, Ryo, YOSHIKAWA, Naoki, KITADE, Yuuki
Format Patent
LanguageEnglish
French
Japanese
Published 20.10.2016
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Abstract An electrode structure (10) is provided with: an oxygen-permeable water-repellent layer (1); and an electroconductive layer (2) layered on the water-repellent layer, the electroconductive layer (2) holding an oxygen reduction catalyst. The electrode structure is further provided with a filter layer (3) layered on the surface (2b) of the electroconductive layer on the opposite side to the surface (2a) on which the water-repellent layer is layered, the filter layer (3) having a plurality of through-holes having a hole diameter of 0.01-0.5 μm. The configuration makes it possible to prevent the progression of microbes into the interior of the electrode structure; therefore, the microbial fuel cell (100) can stably produce electrical energy. L'invention concerne une structure d'électrode (10) qui comprend : une couche hydrofuge perméable à l'oxygène (1) ; et une couche électroconductrice (2) stratifiée sur la couche hydrofuge, la couche électroconductrice (2) contenant un catalyseur de réduction de l'oxygène. La structure d'électrode comprend en outre une couche de filtre (3) stratifiée sur la surface (2b) de la couche électroconductrice située du côté opposé à la surface (2a) sur laquelle la couche hydrofuge est stratifiée, la couche de filtre (3) comportant une pluralité de trous traversants ayant un diamètre de trou de 0,01 à 0,5 µm. La configuration rend possible de prévenir la progression de microbes à l'intérieur de la structure d'électrode ; par conséquent, la pile à combustible microbienne (100) peut produire de l'énergie électrique d'une manière stable. 電極構造体(10)は、酸素透過性を有する撥水層(1)と、撥水層に積層され、酸素還元触媒を保持する導電体層(2)とを備える。さらに電極構造体は、導電体層における撥水層が積層された面(2a)と反対側の面(2b)に積層され、孔径が0.01μm~0.5μmの連通孔を複数有するフィルタ層(3)を備える。このような構成により、微生物の電極構造体内部への進行を防ぐことができるため、微生物燃料電池(100)は安定的に電気エネルギーを生産することが可能となる。
AbstractList An electrode structure (10) is provided with: an oxygen-permeable water-repellent layer (1); and an electroconductive layer (2) layered on the water-repellent layer, the electroconductive layer (2) holding an oxygen reduction catalyst. The electrode structure is further provided with a filter layer (3) layered on the surface (2b) of the electroconductive layer on the opposite side to the surface (2a) on which the water-repellent layer is layered, the filter layer (3) having a plurality of through-holes having a hole diameter of 0.01-0.5 μm. The configuration makes it possible to prevent the progression of microbes into the interior of the electrode structure; therefore, the microbial fuel cell (100) can stably produce electrical energy. L'invention concerne une structure d'électrode (10) qui comprend : une couche hydrofuge perméable à l'oxygène (1) ; et une couche électroconductrice (2) stratifiée sur la couche hydrofuge, la couche électroconductrice (2) contenant un catalyseur de réduction de l'oxygène. La structure d'électrode comprend en outre une couche de filtre (3) stratifiée sur la surface (2b) de la couche électroconductrice située du côté opposé à la surface (2a) sur laquelle la couche hydrofuge est stratifiée, la couche de filtre (3) comportant une pluralité de trous traversants ayant un diamètre de trou de 0,01 à 0,5 µm. La configuration rend possible de prévenir la progression de microbes à l'intérieur de la structure d'électrode ; par conséquent, la pile à combustible microbienne (100) peut produire de l'énergie électrique d'une manière stable. 電極構造体(10)は、酸素透過性を有する撥水層(1)と、撥水層に積層され、酸素還元触媒を保持する導電体層(2)とを備える。さらに電極構造体は、導電体層における撥水層が積層された面(2a)と反対側の面(2b)に積層され、孔径が0.01μm~0.5μmの連通孔を複数有するフィルタ層(3)を備える。このような構成により、微生物の電極構造体内部への進行を防ぐことができるため、微生物燃料電池(100)は安定的に電気エネルギーを生産することが可能となる。
Author KITADE, Yuuki
KAMAI, Ryo
YOSHIKAWA, Naoki
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DocumentTitleAlternate STRUCTURE D'ÉLECTRODE ET PILE À COMBUSTIBLE MICROBIENNE
電極構造体及び微生物燃料電池
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Snippet An electrode structure (10) is provided with: an oxygen-permeable water-repellent layer (1); and an electroconductive layer (2) layered on the water-repellent...
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SubjectTerms BASIC ELECTRIC ELEMENTS
CHEMISTRY
ELECTRICITY
METALLURGY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Title ELECTRODE STRUCTURE AND MICROBIAL FUEL CELL
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