고분자 전해질 연료전지와 슈퍼캐패시터 하이브리드 시스템의 운전 전략에 관한 연구Study of operation strategy for hybrid PEM fuel cell and supercapacitor

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PEMFC has several technical problems such as water management, long term stability and performance degradation as. PEMFC has been studied not only to solve water management, but also to generate power in stable manner to system by using a hybrid system with auxiliary energy storage device. The purpose of this study is to couple PEMFC with supercapacitor to make a hybrid system and to design and test control strategies for stable power generation in case of changing output power. The polarization curve and dynamic behaviors while changing power were investigated to find out characteristics of PEMFC stack. A DC/DC converter was fabricated in order to increase fuel cell and supercapacitor voltage and to charge supercapacitor. We found that the operation strategy 2 was recommended to the system because of solving water management problem and increasing the dynamic behavior.
Publisher
대한기계학회
Issue Date
2006-08
Keywords

고분자 전해질 연료전지; 슈퍼캐패시터; 운전전략; 물문제; 직류변환기

Citation

대한기계학회논문집 B권, Vol.30, No.8, pp.756-763

ISSN
1226-4881
URI
http://hdl.handle.net/10203/10912
Link
http://www.ksme.or.kr/
Appears in Collection
ME-Journal Papers(저널논문)

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