Multifunctional bipolar plates, electrolytic cells, and electrolytic cells including electrolytic cells

The innovative bipolar plate design with a metal web and synthetic ring structure addresses inefficiencies in electrolytic cell stacks by reducing weight, improving conductivity, and minimizing leakage, resulting in enhanced performance and reliability.

JP2026516403APending Publication Date: 2026-05-25JOHN COCKERILL HYDROGEN BELGIUM
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
JOHN COCKERILL HYDROGEN BELGIUM
Filing Date
2024-04-24
Publication Date
2026-05-25

AI Technical Summary

Technical Problem

Existing electrolytic cell stacks face inefficiencies due to heavy bipolar plates made of nickel-coated carbon steel, which are time-consuming to produce, prone to leakage, and have high anode contact resistance, leading to suboptimal performance.

Method used

A bipolar plate design comprising a central metal web embedded in a synthetic material ring, with a single-piece structure that includes a metal anode connected by welding, reducing weight and improving electrical conductivity while withstanding corrosive environments.

Benefits of technology

The new design enhances the efficiency and simplicity of electrolytic cell stacks by lowering electrical resistance and reducing the risk of leakage, while maintaining structural integrity and operational reliability.

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Abstract

The present invention relates to a bipolar plate (14) for an electrolytic cell (10) comprising a central web (141) and a ring (142) surrounding the central web (141). The ring (142) is made of a synthetic material, and the central web (141) is made of metal and has an outer circumference embedded in the ring (142). The present invention also relates to an electrolytic cell and an electrolytic cell stack comprising such a bipolar plate.
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