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새로운 촉매 코팅법을 이용한 직접 개미산 연료전지의 성능 분석
권용재(Kwon, Y.),권병완(Kwon, B.),김진수(Kim, J.),김이영(Kim, Y.Y.),정원석(Jung, W.),한종희(Han, J.) 한국신재생에너지학회 2008 한국신재생에너지학회 학술대회논문집 Vol.2008 No.10
The cell performance of direct formic acid fuel cell (DFAFC) having catalysts coated by electrospray was analyzed. Pd catalyst was used for the anode electrode and Pd catalyst loading amount and formic acid feed rate dependances of fuel cell performance were evaluated. When loading amount of Pd is in between 3mg/cm² and 7mg/cm² and formic acid feed rate is 5ml/min., 3mg/cm² sample showed better potential at 129 mA/cm² and power density due to difference in mass transfer limitation. However, when the feed rate is greater than 10ml/min., the opposite tendency was observed between 3mg/cm² and 7mg/cm² samples. The result was attributed to improvement in electrochemical reaction of the Pd. Based on the above results, In DFAFC including Pd catalyst that was coated by electrospray, 0.537V as the maximum potential at 129 mA/cm² was attained.