Journal of the Korean institute of surface engineering (한국표면공학회지)

The Korean Institute of Surface Engineering (한국표면공학회)
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Electoless Ni Plating on Alumina Powder to Application of MCFC Anode Material

MCFC anode 대체 전극 개발을 위한 분말 알루미나 상의 무전해 Ni 도금 연구

  • Kim, Ki-Hyun (School of Metallurgy and Materials Engineering, Yeungnam University) ;
  • Cho, Kye-Hyun (School of Metallurgy and Materials Engineering, Yeungnam University)
  • 김기현 (영남대학교 신소재공학부) ;
  • 조계현 (영남대학교 신소재공학부)
  • Published : 2007.06.30
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Abstract

The typical MCFC (molten carbonate fuel cell) anode is made of Ni-10%Cr alloy. The work of this paper is focused concerning long life of anode because Ni-10% Cr anode is suffering from sintering and creep behavior during cell operation. Therefore, Ni-coated Alumina powder($20{\mu}m$) was developed by electroless nickel plating. Optimum condition of electroless nickel coation on $20{\mu}m$ alumina is as follows: pH 11.7, temperature $65{\sim}80^{\circ}C$, powder amount $100cm^2/l$. The deposition rate for Ni-electroless plating was as a function of temperature and activation energy was evaluated by Arrhenius Equation thereby activation energy calculated slope of experimental data as 117.6 kJ/mol, frequency factor(A) was $6.28{\times}10^{18}hr^{-1}$, respectively.

Keywords

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