Electrochemical catalysts and manufacturing method thereof
AssigneeIndustry-Academic Cooperation Foundation, Yonsei University
InventorsSeong-Ju HWANG, Xiaoyan JIN
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Abstract
Proposed are an electrochemical catalyst that can replace platinum by being implemented into a two-dimensional metal nanosheet with a high specific surface area to fully use metal catalyst materials and metal phosphide catalyst materials with excellent electrical conductivity, simultaneously having a simple manufacturing process to facilitate mass synthesis to be capable of implementing an ultra-thin film and a large area to maximize the utilization of catalysts, and a manufacturing method thereof.
Claims20
A method of manufacturing an electrochemical catalyst comprising:
- (1) a step of preparing a metal oxide nanosheet precursor;
- and
- (2) a step of heat-treating the metal oxide nanosheet precursor in a hydrogen and argon gas atmosphere to manufacture a two-dimensional metal nanosheet.
An electrochemical catalyst comprising:
- a surface having holes therein;
- and
- at least one two-dimensional metal nanosheet.
A method of manufacturing an electrochemical catalyst comprising:
- (a) a step of preparing a metal oxide nanosheet precursor;
- and
- (b) a step of subjecting the metal oxide nanosheet precursor to phosphorization reaction to manufacture a two-dimensional metal phosphide nanosheet.
An electrochemical catalyst that includes nanomaterials, comprising:
- a two-dimensional metal phosphide nanosheet having a phosphorus (P)-lattice defect.
Dependencies are inferred from the claim text.