Three-Dimensional Simulation on the Effects of Different Parameters and Pt Loading on the Long-Term Performance of Proton Exchange Membrane Fuel Cells

被引：0

作者：

Huang, Zheng ^{[1
]}

Su, Laisuo ^{[2
,3
]}

Yang, Yunjie ^{[1
]}

Gao, Linsong ^{[1
]}

Liu, Xinyu ^{[1
]}

Huang, Heng ^{[1
]}

Li, Yubai ^{[1
]}

Song, Yongchen ^{[1
]}

机构：

[1] Dalian Univ Technol, Key Lab Ocean Energy Utilizat & Energy Conservat, Minist Educ, Dalian 116023, Peoples R China

[2] Univ Texas Austin, Mat Sci & Engn Program, Austin, TX 78712 USA

[3] Univ Texas Austin, Texas Mat Inst, Austin, TX 78712 USA

来源：

SUSTAINABILITY | 2023年 / 15卷 / 04期

基金：

中国国家自然科学基金;

关键词：

proton exchange membrane fuel cells; performance degradation; platinum loading; operating pressure; cathode stoichiometry; plate to channel width ratio; OPERATING-CONDITIONS; HYDROGEN; SYSTEM; MODEL; LAYER; DEGRADATION; DURABILITY; CATALYST; POLARIZATION; OPTIMIZATION;

D O I：

10.3390/su15042902

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The choice of platinum loading and the choice of the operating parameters of the cell are crucial in order to enhance a PEMFC's endurance and, at the same time, to raise its performance. In this paper, a single-channel PEMFC counter-current model is developed to investigate the effects of a 0.3 mg/cm(2) Pt loading model and a 0.1 mg/cm(2) Pt loading model on the performance and durability of PEMFCs with different operating pressures, different cathode stoichiometry, and different channel and plate widths. It was found that increasing the PEMFC operating pressure and cathode stoichiometry would increase the cell performance and have some improvement for durability. Additionally, increasing the channel/plate width ratio would improve the cell performance while decreasing the cell durability.

引用

页数：22

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