TY - JOUR
T1 - Configuration design and parametric optimum selection of a self-supporting PEMFC
AU - Zhang, Xiuqin
AU - Ni, Meng
AU - Wang, Junyi
AU - Yang, Lan
AU - Mao, Xingyu
AU - Su, Sunqing
AU - Yang, Zhimin
AU - Chen, Jincan
N1 - Funding Information:
This work was supported by Youth Top Talent Program (No. ZR2018001) of Jimei University , Distinguished Young Scholars (No. B17164 ) of Fujian Province, and National Natural Science Foundation (No. 11605073 ), People’s Republic of China.
Publisher Copyright:
© 2020 Elsevier Ltd
Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.
PY - 2020/12/1
Y1 - 2020/12/1
N2 - A new theoretical model of the thermally self-sustained proton exchange membrane fuel cell (PEMFC) is proposed, where syngas is preheated by the heat from the reaction in the fuel cell and water gas shift reactions, and the endothermic steam reforming process of methane is maintained by absorbing a part of the combustion heat of residuary hydrogen from the fuel cell. Based on some thermal equilibrium equations, the temperatures of syngas and combustion product in different stages are calculated, respectively. The power density and conversion efficiency of the PEMFC are derived. The influences of the molar flow rate of syngas, hydrogen utilization ratio, and working temperature of the fuel cell on the property of the PEMFC are discussed detailedly. In the rational range of the operating temperature, the maximum power densities and corresponding efficiencies are calculated, the optimum values of several key parameters at the maximum power densities are determined, and the optimal selection criteria of molar flow rate of syngas and other parameters are provided.
AB - A new theoretical model of the thermally self-sustained proton exchange membrane fuel cell (PEMFC) is proposed, where syngas is preheated by the heat from the reaction in the fuel cell and water gas shift reactions, and the endothermic steam reforming process of methane is maintained by absorbing a part of the combustion heat of residuary hydrogen from the fuel cell. Based on some thermal equilibrium equations, the temperatures of syngas and combustion product in different stages are calculated, respectively. The power density and conversion efficiency of the PEMFC are derived. The influences of the molar flow rate of syngas, hydrogen utilization ratio, and working temperature of the fuel cell on the property of the PEMFC are discussed detailedly. In the rational range of the operating temperature, the maximum power densities and corresponding efficiencies are calculated, the optimum values of several key parameters at the maximum power densities are determined, and the optimal selection criteria of molar flow rate of syngas and other parameters are provided.
KW - Maximum power density
KW - Parametric optimum selection
KW - Proton exchange membrane fuel cell
KW - Self-supporting operation
KW - Steam reforming
UR - http://www.scopus.com/inward/record.url?scp=85090855332&partnerID=8YFLogxK
U2 - 10.1016/j.enconman.2020.113391
DO - 10.1016/j.enconman.2020.113391
M3 - Journal article
AN - SCOPUS:85090855332
SN - 0196-8904
VL - 225
JO - Energy Conversion and Management
JF - Energy Conversion and Management
M1 - 113391
ER -
