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- W1616392379 abstract "직접개미산 연료전지의 전극 촉매로 사용되는 귀금속 백금-루테늄 촉매를 정전분무법을 이용하여 효율적으로 분산하여 보았다. 전극에 도포된 촉매 양은 분사 시간에 따라 증가하였으나, 분사시간이 80분을 넘는 경우 촉매 응집으로 인하여 연료전지 성능은 감소하는 경향을 보였다. 상용 핸드스프레이로 전극 촉매를 <TEX>$3.0;mg/cm^2$</TEX> 분산한 경우 얻은 최대 출력밀도 <TEX>$74;mW/cm^2$</TEX>와 비교하여 정전분무법은 적은 양인 <TEX>$1.85;mg/cm^2$</TEX>의 촉매를 분산하고도 <TEX>$72;mW/cm^2$</TEX>의 최대 출력밀도를 얻을 수 있었다. Effective dispersion of noble metal Pt-Ru catalysts was conducted for the application of direct formic acid fuel cell(DFAFC) electrodes by electrospray method. The amount of catalysts deposited on the electrodes increased with increasing deposition time. However, the performance of cell test decreased with the deposition time after 80 min. because of agglomeration of catalysts. With the conventional hand-spray method, the density of the anode catalysts deposited was <TEX>$3.0;mg/cm^2$</TEX> and the maximum power density of the MEA was <TEX>$74;mW/cm^2$</TEX>. On the other hand, the MEA prepared by the electrospray method, showed a similar power density of <TEX>$72;mW/cm^2$</TEX>. However, the density of the anode catalysts deposited was much lower than the case of the hand-spray and the density the anode catalysts in this case was <TEX>$1.85;mg/cm^2$</TEX>." @default.
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- W1616392379 date "2008-11-30" @default.
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- W1616392379 title "Effective Dispersion of Electrode Catalysts for Direct Formic Acid Fuel Cells by Electrospray Method" @default.
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- W1616392379 doi "https://doi.org/10.5229/jkes.2008.11.4.262" @default.
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