Electrolysis module

By introducing a third electrode into the electrolysis module to generate acidic substances, the problem of scale buildup on the electrode surface is solved, online descaling of the electrodes is achieved, the energy consumption and complexity of the electrolysis cell are reduced, and the service life is extended.

CN122254604APending Publication Date: 2026-06-23GUANGZHOU DEPOSON ELECTRIC TECH +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
GUANGZHOU DEPOSON ELECTRIC TECH
Filing Date
2026-05-05
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

In existing water electrolysis technologies, scale buildup on the electrode surface leads to increased cell voltage and energy consumption, reduced current efficiency, and limitations in the electrode reversal method, making it difficult to effectively remove hardened scale, resulting in high system complexity.

Method used

A third electrode is introduced into the electrolysis module. It generates acidic substances through an electrochemical reaction with the first or second electrode, which dissolves the scale on the electrode surface, thus achieving online descaling.

Benefits of technology

It effectively dissolves scale on the electrode surface, reduces voltage rise and current decay, extends the service life of the electrolytic cell, simplifies the system structure, and improves descaling efficiency.

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Abstract

The present application relates to an electrolysis module, comprising a first electrode, a second electrode and a third electrode; the third electrode is used to form an electrochemical reaction with the first electrode or the second electrode to produce acidic substances to remove the scaling of the electrode sheet. The third electrode is introduced in the electrolysis module, and the third electrode is used to form an electrochemical reaction with the first electrode and the second electrode to produce acidic substances. The electrolysis module comprises an electrolysis unit for producing main electrolysis products, and during the electrolysis process, scale will gradually deposit on the surface of the electrode. Therefore, the third electrode produces acidic substances with the first electrode or the second electrode, which can effectively dissolve the scale on the surface of the electrode of the electrolysis unit, and realize the electrolysis reaction and the online scale removal function of the electrode in the same electrolysis tank system.
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