Method for manufacturing metal separator for fuel cell

Method for manufacturing metal separator for fuel cell

A method of manufacturing a metal separator for a fuel cell includes molding two plates such that each plate has a least one concave portion and at least one convex portion, applying a sealant to a sealing portion of at least one of the plates, arranging the plates such that the concave portions of...

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1. Verfasser: BAE DONG GWAN
Format: Patent
Sprache:chi ; eng
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator BAE DONG GWAN
description A method of manufacturing a metal separator for a fuel cell includes molding two plates such that each plate has a least one concave portion and at least one convex portion, applying a sealant to a sealing portion of at least one of the plates, arranging the plates such that the concave portions of each plate are opposite the convex portions of the other plate, and spot welding the plates together. The sealing portion may be near an edge of the separator, between a hydrogen manifold, an oxygen manifold, and a coolant manifold. A sealant leakage prevention groove may further be provided at thesealing portion. The sealing portion may be made by being inserted between a projection on a first mold and a recess on a second mold, and a spot welding gun may be inserted through a guide hole in one of the molds.
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The sealing portion may be near an edge of the separator, between a hydrogen manifold, an oxygen manifold, and a coolant manifold. A sealant leakage prevention groove may further be provided at thesealing portion. 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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title Method for manufacturing metal separator for fuel cell
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