A Testing Apparatus of the Gas Diffusion Electrode Catalysts for Fuel Cells

A Testing Apparatus of the Gas Diffusion Electrode Catalysts for Fuel Cells

A new apparatus for the evaluation of catalysts in the gas diffusion electrodes is proposed. A test specimen of catalyst loaded on carbon paper is mounted in Teflon holder and partially immersed in test solutions. The specimen is designed to revolve in the air and solution phases, thereby experienci...

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Veröffentlicht in:Denki kagaku oyobi kōgyō butsuri kagaku 2001/10/05, Vol.69(10), pp.758-763
Hauptverfasser: OKADA, Tatsuhiro, HIGASHINO, Tatsuya, YUASA, Makoto, SEKINE, Isao
Format: Artikel
Sprache:eng
Schlagworte:
Catalyst
Fuel Cell
Gas Diffusion Electrodes
Oxygen Reduction
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container_end_page 763
container_issue 10
container_start_page 758
container_title Denki kagaku oyobi kōgyō butsuri kagaku
container_volume 69
creator OKADA, Tatsuhiro
HIGASHINO, Tatsuya
YUASA, Makoto
SEKINE, Isao
description A new apparatus for the evaluation of catalysts in the gas diffusion electrodes is proposed. A test specimen of catalyst loaded on carbon paper is mounted in Teflon holder and partially immersed in test solutions. The specimen is designed to revolve in the air and solution phases, thereby experiencing alternate contacts with gas | liquid phases. The reactant oxygen appears to be supplied mostly when the surface of the electrode is in the gas phase, which then brings about the cathodic current when the surface is in the liquid phase. After testing several kinds of catalysts, it is established that the apparatus successfully simulates the conditions of gas diffusion electrodes, and can be used in assessing such catalysts for fuel cells.
doi_str_mv 10.5796/electrochemistry.69.758
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source J-STAGE (Japan Science & Technology Information Aggregator, Electronic) Freely Available Titles - Japanese
subjects Catalyst
Fuel Cell
Gas Diffusion Electrodes
Oxygen Reduction
title A Testing Apparatus of the Gas Diffusion Electrode Catalysts for Fuel Cells
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