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US 2022/0018032 A1Published application
Electrode For Electrolysis
AssigneeLG Chem, Ltd.
InventorsHee Jun Eom, Yeon Yi Kim, Myung Hun Kim, Dong Chul Lee, Sang Yun Jung, Gyo Hyun Hwang, Jong Wook Jung, Yong Ju Bang
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Abstract
The present invention provides an electrode for electrolysis in which a planarized metal substrate having a mesh structure such that the aspect ratio of an individual cross-section of a wire constituting the mesh structure is 120% or greater is used to increase the surface area of a coating layer, thereby increasing adhesion to a membrane and gas trap is reduced to reduce overvoltage.
Claims10
An electrode for electrolysis comprising:
- A metal substrate layer having a mesh structure;
- and
- A coating layer including a ruthenium-based oxide, a cerium-based oxide, a platinum-based oxide, and an amine-based compound, wherein the coating layer is formed on the surface of a wire constituting the mesh structure, and an individual cross-section of the wire has an aspect ratio of 120% or greater.
A method for manufacturing an electrode for electrolysis, comprising:
- Planarizing a metal substrate having a mesh structure such that an aspect ratio of an individual cross-section of a wire constituting the mesh structure is 120% or greater;
- Applying a coating composition on a surface of the wire of the planarized metal substrate;
- and
- Performing coating by drying and firing the metal substrate applied with the coating composition,
- Wherein the coating composition includes a ruthenium-based precursor, a cerium-based precursor, a platinum-based precursor, and an amine-based compound.
2 more elements
Dependencies are inferred from the claim text.