METAL SEPARATOR FOR FUEL CELL

PROBLEM TO BE SOLVED: To provide a metal separator for a fuel cell, having excellent corrosion resistance even under a high potential.SOLUTION: A metal separator for a fuel cell holds a membrane electrode assembly from both sides thereof. The metal separator has a base material containing Fe, as a m...

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Bibliographic Details
Main Authors KONO TAKASHI, IGARASHI MASAO, MIURA YASUKI
Format Patent
LanguageEnglish
Japanese
Published 21.09.2017
Subjects
ALLOYS
BASIC ELECTRIC ELEMENTS
CHEMISTRY
ELECTRICITY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:PROBLEM TO BE SOLVED: To provide a metal separator for a fuel cell, having excellent corrosion resistance even under a high potential.SOLUTION: A metal separator for a fuel cell holds a membrane electrode assembly from both sides thereof. The metal separator has a base material containing Fe, as a main constituent, and 10 mass% or more Cr. The base material further contains at least one of 0.1-15 mass% Ta, 0.1-15 mass% V, and 4-10 mass% Sn.SELECTED DRAWING: Figure 1 【課題】高電位下においても優れた耐食性を有する燃料電池用のメタルセパレータを提供する。【解決手段】膜電極接合体を両側から挟持する燃料電池用のメタルセパレータであって、メタルセパレータは、Feを主成分とし、Crを10質量%以上含有する母材を有し、母材は、0.1〜15質量%のTa、0.1〜15質量%のV、4〜10質量%のSnの少なくともいずれか一種をさらに含んでいる。【選択図】図１
Bibliography:Application Number: JP20160055114