화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.48, 242-248, April, 2017
DOI10.1016/j.jiec.2017.01.011  Export Citation
Preparation of the electrode using NiFe2O4 powder for the alkaline water electrolysis
Gab-Jin Hwang†, Bo-Min Gil, and Cheol-Hwi Ryu
  • Grad. School, Dept. Green Energy Eng., Hoseo University, Asan, Chungnam, 314-99, South Korea
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The coin electrode was prepared by mixing the binder (polyethylene glycol or styrene butadiene rubber) and NiFe2O4 powder which was synthesized by a co-precipitate method, to use in the alkaline water electrolysis. The over-potential of the prepared coin electrode was measured in 7 mol L-1 KOH solution for an oxygen evolution reaction (OER) and a hydrogen evolution reaction (HER). From the data, it was estimated that the prepared coin electrode is useful for the electrode in the alkaline water electrolysis with its low over-potential (1.57 V and 2.20 V for OER and HER, respectively, at the current density of 0.41 A cm-2).
Keywords:Hydrogen production;Water electrolysis;Alkaline;Electrode;Over-potential
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