한국수소및신에너지학회논문집 (Journal of Hydrogen and New Energy)

  • 제14권3호
  • /
  • Pages.195-206
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  • 2003
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  • 1738-7264(pISSN)
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  • 2288-7407(eISSN)
한국수소및신에너지학회 (The Korean Hydrogen and New Energy Society)
권호 표지

일정 전류에서 연료전지의 비정상 특성

Transient Characteristics of Fuel Cell Stack at Continuous Current Discharge

  • 발행 : 2003.09.15
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⟨ 이전 논문 다음 논문 ⟩

초록

Polymer electrolyte membrane fuel cells(PEMFC) are very interesting power source due to high power density, simple construction and operation at low temperature. But they have problems such as high cost, improvement of performance and effect of temperature. This problems can be approached using mathematical models which are useful tools for analysis and optimization of fuel cell performance and for heat and water management, in this paper, transient model consists of various energy terms associated with fuel cell operation using the mass and energy balance equation. And water transfer in the membrane is composed of back diffusion and electro-osmotic drag. The temperature calculated by transient model approximately agreed with the temperature measured by experiment in constant current condition.

키워드

참고문헌

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