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http://dx.doi.org/10.5695/JKISE.2007.40.3.131

Electoless Ni Plating on Alumina Powder to Application of MCFC Anode Material  

Kim, Ki-Hyun (School of Metallurgy and Materials Engineering, Yeungnam University)
Cho, Kye-Hyun (School of Metallurgy and Materials Engineering, Yeungnam University)
Publication Information
Journal of the Korean institute of surface engineering / v.40, no.3, 2007 , pp. 131-137 More about this Journal
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
MCFC anode; Electroless plating; Creep; Activation energy;
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