Copper-nickel amorphous alloy material prepared by laser direct writing method and its application in ammonia oxidation electrocatalysis
The preparation of copper-nickel amorphous alloys by laser direct writing method solves the problems of poor stability and difficulty in morphology control of existing catalysts, and realizes efficient and stable ammonia oxidation to prepare nitrite, which is suitable for industrial production.
CN116752179BActive Publication Date: 2026-06-26TIANJIN UNIV
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- TIANJIN UNIV
- Filing Date
- 2023-05-31
- Publication Date
- 2026-06-26
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Figure CN116752179B_ABST
Abstract
The application discloses a kind of copper nickel amorphous alloy materials prepared by laser direct writing method and its application in ammonia oxidation electrocatalysis, and the preparation method comprises the following steps: step 1, clean copper foil is placed in the mixed solution of sodium hydroxide and ammonium persulfate, after 10-20 minutes of standing, the copper foil is taken out, and cleaned to obtain copper foil with blue copper hydroxide array;Step 2, put into muffle furnace for oxidation treatment;Step 3, then reduce in hydrogen argon atmosphere in tube furnace, to obtain copper foil with copper array;Step 4, a layer of nickel is deposited using electrodeposition method, to obtain nickel-coated copper array;Step 5, laser treatment is carried out in the cooling environment of-196 to-20℃.The copper nickel amorphous alloy material prepared by the application has high activity, high selectivity and durability.
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