A fuel cell comprising a reactor for electrolysis or co-electrolysis (SOEC) of water or a stack of solid oxide cells, having an interconnector attached by a removable probe for measuring voltage.

A removable probe with a mating groove configuration addresses the challenges of welded wire connections by enabling non-welded, current-free voltage measurement in high-temperature electrolysis and fuel cells, improving efficiency and reliability.

JP2026520451APending Publication Date: 2026-06-23COMMISSARIAT A LENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES

Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
COMMISSARIAT A LENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
Filing Date
2024-05-27
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

The existing methods for measuring cell voltage in high-temperature electrolysis and solid oxide fuel cells require time-consuming and delicate welding operations, which can lead to wire damage and breakage due to oxide formation and brittleness at high temperatures, especially for interconnectors with small thickness.

Method used

A removable probe with a mating groove configuration is used to make electrical contact with interconnectors, allowing for non-welded, current-free voltage measurement through mechanical insertion and removal, suitable for interconnectors with varying thicknesses.

Benefits of technology

Enables rapid, reliable, and convenient voltage measurement without additional resistance, facilitating easier handling and faster assembly/disassembly of electrochemical devices.

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Abstract

Essentially, the present invention involves incorporating into an electrochemical device comprising a stack of basic electrochemical cells a mountable / removable probe via an interface for measuring cell voltage via simple, and possibly manual, insertion / removal into a mating shape within the interconnect, at least one between two adjacent cells in the stack, preferably around each interconnect.
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