Journal of the Korean Society of Visualization (한국가시화정보학회지)

The Korean Society of Visualization (한국가시화정보학회)
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Comparison of Polymer Electrolyte Membrane Fuel Cell performance obtained by 1D and CFD simulations

1D와 CFD(Computational fluid dynamic) 시뮬레이션을 통한 PEMFC(Polymer Electrolyte Membrane Fuel Cell) 성능 비교

  • Wonwoo Jeon (School of Mechanical Engineering, PNU) ;
  • Sehyeon An (School of Mechanical Engineering, PNU) ;
  • Jaewan Yang (School of Mechanical Engineering, PNU) ;
  • Jiwon Lee (School of Mechanical Engineering, PNU) ;
  • Hyunbin jo (School of Mechanical Engineering, PNU) ;
  • Eunseop Yeom (School of Mechanical Engineering, Pusan National University (PNU))
  • Received : 2023.11.01
  • Accepted : 2023.11.17
  • Published : 2023.11.30
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Abstract

The Polymer electrolyte membrane fuel cell (PEMFC) operates at ambient temperature as a low-temperature fuel cell. During its operation, voltage losses arise due to factors such as operating conditions and material properties, effecting its performance. Computational simulations of fuel cells can be categorized into 1D simulation and CFD, chosen based on their specific application purposes. In this study, we carried out an analysis validation using 1D geometry and compared its performance with the results from 2D geometry analysis. CFD allows for the representation of pressure, velocity distribution, and fuel mass fraction according to the geometry, enabling the analysis of current density. However, the 1D simulation, simplifying governing equations to reduce time cost, failed to accurately account for fuel distribution and changes in fuel concentration due to fuel cell operations. As a result, it showed unrealistic results in the cell voltage region dominated by concentration loss compared to CFD.

Keywords

Acknowledgement

이 성과는 정부(과학기술정보통신부)의 재원으로 한국연구재단의 지원을 받아 수행된 연구임(No. 2020R1A5A8018822).

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