Three-dimensional modeling for a 100 cm2 PEMFC with different Pt loadings under cathode Pt catalyst degradation

被引:3
|
作者
Huang, Zheng [1 ]
Zhou, Zhifu [2 ]
Zhao, Jian [3 ]
Wu, Wei-Tao [4 ]
Wei, Lei [5 ]
Hu, Chengzhi [1 ]
Yang, Yunjie [1 ]
Li, Yubai [1 ]
Song, Yongchen [1 ]
机构
[1] Dalian Univ Technol, Key Lab Ocean Energy Utilizat & Energy Conservat, Minist Educ, Dalian 116024, Peoples R China
[2] Xi An Jiao Tong Univ, State Key Lab Multiphase Flow Power Engn, Xian 710049, Peoples R China
[3] Mississippi State Univ, Ctr Adv Vehicular Syst, Starkville, MS 39762 USA
[4] Nanjing Univ Sci & Technol, Sch Mech Engn, Nanjing 210094, Peoples R China
[5] Southern Univ Sci & Technol, Dept Mech & Energy Engn, Shenzhen 518055, Peoples R China
基金
中国国家自然科学基金;
关键词
Proton exchange membrane fuel cell; Cathode catalyst layer; Numerical simulation; Low Pt loading; Degradation; FUEL-CELL PERFORMANCE; ELECTROCATALYST DURABILITY; SURFACE-AREA; MEMBRANE; MANAGEMENT; LAYER; FLOW; DISSOLUTION; VALIDATION; SIMULATION;
D O I
10.1016/j.ijhydene.2023.12.118
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The Platinum catalyst degradation is largely affected by the upper limit of voltage cycling potential (UPL) and operating temperature of the proton exchange membrane fuel cell (PEMFC). This study integrated a physics based 1D sub-model for Pt degradation and a 100 cm2 3D fuel cell performance model. A quantitative analysis was conducted to assess the performance degradation of PEMFC with two different Pt loadings, one with a loading of 0.3 mg/cm2 and the other with a loading of 0.05 mg/cm2, undergoing 15,000 voltage cycles at various cycling UPLs and operating temperatures. The simulation results indicate a significant drop in performance for the PEMFC with a Pt loading of 0.05 mg/cm2 at a voltage cycling UPL of 1.0 V. Furthermore, it can be shown that the 0.05 mg/cm2 Pt loading PEMFC experiences a higher extent of performance degradation compared to the 0.3 mg/cm2 Pt loading PEMFC when the operating temperature approaches 90 degrees C.
引用
收藏
页码:1107 / 1122
页数:16
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