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박상현; 김철민; 손성효; 장세진; 김재동; 방완근; 이상용

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자료유형: 학술저널

저자정보: 박상현 김철민 손성효 장세진 김재동 방완근 이상용

저널정보: 한국수소및신에너지학회 한국수소및신에너지학회논문집 한국수소 및 신에너지학회 논문집 제29권 제1호

발행연도: 2018.2

수록면: 11 - 18 (8page)

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연구배경

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연구방법

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연구결과

초록· 키워드

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A high efficiency integrated reforming system for improving the efficiency of the 5 kW PEMFC system used as the back up power of building was studied. The separated reforming system consisted of three parts-A steam reformer with two stage concentric circular shape, a heat exchanger type steam generator and a CO shift reactor. Temperature and steam carbon ratio (SCR) were control variables during operation. The operating conditions were optimized based on the thermal efficiency of the steam reformer as reformate gas composition changes at different temperature. In experiments, water was fully vaporized in the steam generator up to SCR 3.5 and the maximum thermal efficiency was achieved at the operating temperature around 700℃ in the steam reforming reactor. With the results of the separated reforming system research, we improved the shape of high efficiency integrated reformer. The performance evaluation of the integrated reformer was based on optimized operating conditions in SCR 3.5. As a result, the developed integrated reforming system maintained an efficiency of 76% and constant performance over 3,000 hours.

#개질기 #건물용 연료전지 #고분자 연료전지 #연료전지 #연료처리장치 #Fuel cell #Fuel processor #PEMFC #Reformer #Residential fuel cell

참고문헌 (9)

참고문헌 신청

O. Pasdag / 2012 / Highly integrated steam reforming fuel processor with condensing burner technology for maximised electrical efficiency of CHP-PEMFC systems / Energy Procedia 28:57~65

Y. T. Seo / 2006 / Design of an integrated fuel processor for residential PEMFCs applications / Journal of Power Sources 160:505~509

H. G. Dusterwald / 1997 / Methanol Steam -Reforming in a Catalytic Fixed Bed Reactor / Chem. Eng. Technol 20:617~623

L. Ma / 1996 / Simulation studies of autothermal reactor system for H2 production from methanol steam reforming / The Chemical Engineering Journal 62:103~111

K. S. Patel / 2006 / Dynamic behaviour of methane heat exchange reformer for residential fuel cell power generation system / Journal of Power Sources 161:503~512

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