Metal separator

The metal separation plate with a gasket line configuration addresses the issue of deformation and leakage in hydrogen fuel cell stacks by preventing manifold output hole deformation and ensuring airtightness and uniform gas flow.

WO2025058446A1 Publication Date: 2025-03-20HYUNDAE STEEL CO LTD
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Patent Information

Application Number
PCT/KR2024/013938
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-09-10
Filing Date
2024-09-12
Publication Date
2025-03-20

AI Technical Summary

Technical Problem

The metal separator plates in hydrogen fuel cell stacks are prone to deformation of the manifold output holes and gaps in the gasket lines, leading to leakage and compromised airtightness.

Method used

A metal separation plate with a gasket line configuration that includes a manifold gasket line, a support gasket line, and a euro gasket line, which are designed to prevent deformation of the manifold output holes and ensure uniform gas flow distribution.

Benefits of technology

The solution effectively prevents deformation of the manifold output holes, secures airtightness, and uniformly distributes the flow rate of reaction gases, enhancing the performance and reliability of hydrogen fuel cell stacks.

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Abstract

The present application relates to a metal separator, a fuel cell comprising the metal separator, and a fuel cell stack comprising the fuel cell. According to the metal separator of the present application, deformation of manifold inlet and outlet holes can be prevented, airtightness can be ensured, and the flow rates of injected and discharged reaction gases can be uniformly distributed.
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