Home

Citation: MENG You-Quan, WANG Chao, ZHANG Qing-Lei, SHEN Shui-Yun, ZHU Feng-Juan, YANG Hong, ZHANG Jun-Liang. The Effects of Cathode Platinum Loading and Operating Backpressure on PEMFC Performance[J]. Acta Physico-Chimica Sinica, ;2016, 32(6): 1460-1466. doi: 10.3866/PKU.WHXB201605101 shu

The Effects of Cathode Platinum Loading and Operating Backpressure on PEMFC Performance

1.
Institute of Fuel Cells, Shanghai Jiao Tong University, Shanghai 200240, P. R. China;
2.
Department of Chemical & Biomolecular Engineering, University of Illinois at Urbana-Champaign, USA

Received Date: 24 March 2016
Revised Date: 9 May 2016

Fund Project: The project was supported by the National Natural Science Foundation of China (21373135, 21533005) and Science Foundation of Ministry of Education of China (413064).

By combining theoretical calculations with experimental data, this study quantified the effects of both cathode Pt loading and operating backpressure on polymer electrolyte membrane fuel cell (PEMFC) performance, in terms of the kinetic, ohmic and transport losses. Pt loadings of 0.1, 0.2 and 0.4 mg·cm^-2 were investigated at backpressure values of 100, 150 and 200 kPa, respectively. The results indicate that, under all conditions, the kinetic, ohmic and transport losses all increased with the increase in current density. However, under the equivalent backpressure the transport loss of a PEMFC decreased with the increase of Pt loading. It was also found that increasing the operating backpressure improved the cell performance, and this enhancement in performance was more pronounced at a lower Pt loading. This result indicates an appropriate increase in operating backpressure should benefit the performance of a low-Pt loading PEMFC. Finally, the mechanism responsible for the observed phenomena was discussed. This study is expected to be helpful in the design and performance optimization of PEMFCs with low or ultra-low Pt loadings.
- PEMFC,
- Cathode Pt loading,
- Backpressure,
- Polarization curve,
- Overpotential
1. [1]
2. [2]
3. [3]
4. [4]
5. [5]
6. [6]
7. [7]
8. [8]
9. [9]
10. [10]
11. [11]
12. [12]
13. [13]
14. [14]
15. [15]
16. [16]
17. [17]
18. [18]
19. [19]
20. [20]
1. [1]
  Fengqiao Bi , Jun Wang , Dongmei Yang . Specialized Experimental Design for Chemistry Majors in the Context of “Dual Carbon”: Taking the Assembly and Performance Evaluation of Zinc-Air Fuel Batteries as an Example. University Chemistry, 2024, 39(4): 198-205. doi: 10.3866/PKU.DXHX202311069
2. [2]
  Yikai Wang , Xiaolin Jiang , Haoming Song , Nan Wei , Yifan Wang , Xinjun Xu , Cuihong Li , Hao Lu , Yahui Liu , Zhishan Bo . 氰基修饰的苝二酰亚胺衍生物作为膜厚不敏感型阴极界面材料用于高效有机太阳能电池. Acta Physico-Chimica Sinica, 2025, 41(3): 2406007-. doi: 10.3866/PKU.WHXB202406007
3. [3]
  Feng Liang , Desheng Li , Yuting Jiang , Jiaxin Dong , Dongcheng Liu , Xingcan Shen . Method Exploration and Instrument Innovation for the Experiment of Colloid ζ Potential Measurement by Electrophoresis. University Chemistry, 2024, 39(5): 345-353. doi: 10.3866/PKU.DXHX202312009
4. [4]
  Ji-Quan Liu , Huilin Guo , Ying Yang , Xiaohui Guo . Calculation and Discussion of Electrode Potentials in Redox Reactions of Water. University Chemistry, 2024, 39(8): 351-358. doi: 10.3866/PKU.DXHX202401031
5. [5]
  Yu'ang Liu , Yuechao Wu , Junyu Huang , Tao Wang , Xiaohong Liu , Tianying Yan . Computation of Absolute Electrode Potential of Standard Hydrogen Electrode Using Ab Initio Method. University Chemistry, 2025, 40(3): 215-222. doi: 10.12461/PKU.DXHX202407112
6. [6]
  Na Li , Limin Shao . Deduction of the General Formula of the Inverse Function of the Titration Curve. University Chemistry, 2025, 40(3): 390-401. doi: 10.12461/PKU.DXHX202409134
7. [7]
  Tiantian Dai , Xi Yang . Teaching Design and Reflection on the “Osmotic Pressure of Solutions” in Medical Chemistry. University Chemistry, 2025, 40(5): 268-275. doi: 10.12461/PKU.DXHX202411032
8. [8]
  Qiqi Li , Su Zhang , Yuting Jiang , Linna Zhu , Nannan Guo , Jing Zhang , Yutong Li , Tong Wei , Zhuangjun Fan . 前驱体机械压实制备高密度活性炭及其致密电容储能性能. Acta Physico-Chimica Sinica, 2025, 41(3): 2406009-. doi: 10.3866/PKU.WHXB202406009
9. [9]
  Chongjing Liu , Yujian Xia , Pengjun Zhang , Shiqiang Wei , Dengfeng Cao , Beibei Sheng , Yongheng Chu , Shuangming Chen , Li Song , Xiaosong Liu . Understanding Solid-Gas and Solid-Liquid Interfaces through Near Ambient Pressure X-Ray Photoelectron Spectroscopy. Acta Physico-Chimica Sinica, 2025, 41(2): 100013-. doi: 10.3866/PKU.WHXB202309036
10. [10]
  Yinuo Wu , Jiantao Ye , Xie Zhou , Yu Qian , Lei Guo . Teaching Design of Basic Chemistry Based on PBL Methodology for Medical Undergraduates: A Case Study on “Osmotic Pressure of Solution”. University Chemistry, 2024, 39(3): 149-157. doi: 10.3866/PKU.DXHX202309077
11. [11]
  Ruilin Han , Xiaoqi Yan . Comparison of Multiple Function Methods for Fitting Surface Tension and Concentration Curves. University Chemistry, 2024, 39(7): 381-385. doi: 10.3866/PKU.DXHX202311023
12. [12]
  Xin Zhou , Zhi Zhang , Yun Yang , Shuijin Yang . A Study on the Enhancement of Photocatalytic Performance in C/Bi/Bi₂MoO₆ Composites by Ferroelectric Polarization: A Recommended Comprehensive Chemical Experiment. University Chemistry, 2024, 39(4): 296-304. doi: 10.3866/PKU.DXHX202310008
13. [13]
  Limin Shao , Na Li . A Unified Equation Derived from the Charge Balance Equation for Constructing Acid-Base Titration Curve and Calculating Endpoint Error. University Chemistry, 2024, 39(11): 365-373. doi: 10.3866/PKU.DXHX202401086
14. [14]
  Jinwang Wu , Qijing Xie , Chengliang Zhang , Haifeng Shi . 自旋极化增强ZnFe_1.2Co_0.8O₄/BiVO₄ S型异质结光催化性能降解四环素. Acta Physico-Chimica Sinica, 2025, 41(5): 100050-. doi: 10.1016/j.actphy.2025.100050
15. [15]
  Dan Li , Hui Xin , Xiaofeng Yi . Comprehensive Experimental Design on Ni-based Catalyst for Biofuel Production. University Chemistry, 2024, 39(8): 204-211. doi: 10.3866/PKU.DXHX202312046
16. [16]
  Yanan Jiang , Yuchen Ma . Brief Discussion on the Electronic Exchange Interaction in Quantum Chemistry Computations. University Chemistry, 2025, 40(3): 10-15. doi: 10.12461/PKU.DXHX202402058
17. [17]
  Lian Sun , Honglei Wang , Ming Ma , Tingting Cao , Leilei Zhang , Xingui Zhou . Shape and composition evolution of Pt and Pt₃M nanocrystals under HCl chemical etching. Chinese Chemical Letters, 2024, 35(9): 109188-. doi: 10.1016/j.cclet.2023.109188
18. [18]
  Guangming YIN , Huaiyao WANG , Jianhua ZHENG , Xinyue DONG , Jian LI , Yi'nan SUN , Yiming GAO , Bingbing WANG . Preparation and photocatalytic degradation performance of Ag/protonated g-C₃N₄ nanorod materials. Chinese Journal of Inorganic Chemistry, 2024, 40(8): 1491-1500. doi: 10.11862/CJIC.20240086
19. [19]
  Xiao Liu , Guangzhong Cao , Mingli Gao , Hong Wu , Hongyan Feng , Chenxiao Jiang , Tongwen Xu . Seawater Salinity Gradient Energy’s Job Application in the Field of Membranes. University Chemistry, 2024, 39(9): 279-282. doi: 10.3866/PKU.DXHX202306043
20. [20]
  Shuyu Liu , Xiaomin Sun , Bohan Song , Gaofeng Zeng , Bingbing Du , Chongshen Guo , Cong Wang , Lei Wang . Design and Fabrication of Phospholipid-Vesicle-based Artificial Cells towards Biomedical Applications. University Chemistry, 2024, 39(11): 182-188. doi: 10.12461/PKU.DXHX202404113

Get Citation

PDF

XML

Metrics

PDF Downloads(0)
Abstract views(434)
HTML views(11)

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Address：Zhongguancun North First Street 2,100190 Beijing, PR China Tel: +86-010-82449177-888

DownLoad: Full-Size Img PowerPoint

Return