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PEMFC 용 Pt 담지 촉매의 Pt 담지비에 따른 성능변화
조용훈(Y. H. Cho),조윤환(Y. H. Cho),박현서(H. S. Park),성영은(Y. E. Sung) 한국정밀공학회 2006 한국정밀공학회 학술발표대회 논문집 Vol.2006 No.5월
This study focuses on a determination of amount of Pt in the Pt/C for catalysts of polymer electrolyte membrane fuel cells (PEMFC). PEMFC offer low weight and high power density and being considered for automotive and stationary power applications. The PEMFC behavior is quite complex is influenced by several factors, including catalysts and structure of electrode and membrane type. Catalyst of electrode is important factor for PEMFC. One of the obstacles preventing polymer electrolyte membrane fuel cells from commercialization is the high cost of noble metals to be used as catalyst, such as platinum. To effectively use these metals, they have to be will dispersed to small particles on conductive carbon supports. The optimal amount of Pt in Pt/C was investigated by using polarization curves in single cell with H₂/O₂ operation.
이강인(K. I. Lee),박민수(M. S. Park),조용훈(Y. H. Cho),조윤환(Y. H. Cho),성영은(Y. E. Sung),주종남(C. N. Chu) 한국정밀공학회 2006 한국정밀공학회 학술발표대회 논문집 Vol.2006 No.5월
Mobile fuel cell is highlighted in these days because mobile fuel cell can contain more energy than existing batteries. Nowadays mobile devices like cellular phone, PMP(portable multi-media player), notebook, and etc. need more energy. But exiting batteries like Li-ion or Ni-MH batteries are not going to satisfy such demands. In this paper, mobile fuel cell is developed. Its size is 50*70*8㎜ and it is made of aluminium plates. The fuel cell type is PEM and the fuel is pure hydrogen and oxygen.