Numerical investigation of the coupled water and thermal management in PEM fuel cell

Tao-Feng Cao, Hong Lin, Li Chen, Ya-Ling He and Wen-Quan Tao

Applied Energy, 2013, vol. 112, issue C, 1115-1125

Abstract: Water and thermal managements are the most important issue in the operation and optimization of proton exchange membrane fuel cell (PEMFC). A three-dimensional, two-phase, non-isothermal model of PEMFC is presented in this paper. The model is used to investigate the interaction between water and thermal transport processes, the effects of anisotropic characters of gas diffusion layer, different boundary temperature of flow plate and the effect of gas inlet humidity. By comparing the numerical results of different cases, it is found that maximum cell temperature is higher in the isotropic gas diffusion layer; in contrast, the liquid saturation is lower than other case. Moreover, the boundary temperature greatly affects the temperature distribution in PEMFC, and indirectly influences the water saturation distribution. This indicates that the coupled relationship between water and thermal managements cannot be ignored, and these two processes must be considered simultaneously in the optimization of PEMFC.

Keywords: PEM fuel cell; Numerical modeling; Water and thermal management; Thermal boundary conditions; Non-equilibrium phase transfer (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (45)

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DOI: 10.1016/j.apenergy.2013.02.031

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