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중공 ZIF를 이용한 RuO<sub>2</sub>/h-Co<sub>3</sub>O<sub>4</sub> 촉매의 합성 및 산소 발생 반응으로의 활용
구윤모,이영빈,임경민,김진수,Yoonmo Koo,Youngbin Lee,Kyungmin Im,Jinsoo Kim 한국공업화학회 2023 공업화학 Vol.34 No.2
To improve the efficiency of water electrolysis, it is essential to develop an oxygen evolution reaction (OER) electrocatalyst with high performance and long-term stability, accelerating the reaction rate of OER. In this study, a hollow metal-organic framework (MOF)-derived ruthenium-cobalt oxide catalyst was developed to synthesize an efficient OER electrocatalyst. As the synthesized catalyst increases the surface exposure of ruthenium, a low overpotential (386 mV) was observed at a current density of 10 mA/cm<sup>2</sup> with a low Tafel slope. It is expected to be able to replace noble metal catalysts by showing higher mass activity and stability than commercial RuO<sub>2</sub> catalysts.