3 MANUFACTURING METHOD OF 3-DEMENSION METAL CATALYST ELECTRODE WITH COATED COCATALYST FOR ELECTROCHEMICAL REDUCTION OF CARBON DIOXIDE

• Main Authors: LEE, JONG LAM, LIM, KWAN WOO
• Format: Patent
• Language: English; Korean
• Published: 05.09.2017
• Subjects: APPARATUS THEREFOR; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F; DIFFUSION TREATMENT OF METALLIC MATERIAL; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; INORGANIC CHEMISTRY; METALLURGY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; THEIR RELEVANT APPARATUS; TRANSPORTING

The present invention relates to a method for manufacturing a three-dimensional metal catalyst electrode coated with a cocatalyst for electrochemical reduction of carbon dioxide. According to an embodiment of the present invention, the method comprises the following steps: (a) forming a three-dimensional oxide nanostructure on a substrate; (b) reducing the three-dimensional oxide nanostructure with a metal catalyst through electrochemical reaction and forming a three-dimensional metal catalyst electrode; and (c) coating a cocatalyst on the three-dimensional metal catalyst electrode. According to the present invention, a metal catalyst having a three-dimensional nanostructure coated with a cocatalyst can be effectively and economically manufactured. 본 발명은 전기화학적 이산화탄소 환원을 위한 조촉매가 코팅된 3차원 금속 촉매 전극의 제조방법에 관한 것이다. 본 발명의 일 실시예에 따르면, (a) 기판 상에 3차원 산화물 나노구조체를 형성하는 단계, (b) 전기화학적 반응을 통해서 3차원 산화물 나노구조체를 금속 촉매로 환원하여 3차원 금속 촉매 전극을 형성하는 단계, 및 (c) 3차원 금속 촉매 전극에 조촉매를 코팅하는 단계를 포함하는 전기화학적 이산화탄소 환원을 위한 조촉매가 코팅된 3차원 금속 촉매 전극의 제조방법을 제공한다.