Performance improvement of ultra-low Pt proton exchange membrane fuel cell by catalyst layer structure optimization

Jinyan Xi; Kang Meng; Ying Li; Meng Wang; Qiang Liao; Zidong Wei; Minhua Shao; Jianchuan Wang

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Performance improvement of ultra-low Pt proton exchange membrane fuel cell by catalyst layer structure optimization

Energy Science and Technology | Updated：2026-01-06

- Performance improvement of ultra-low Pt proton exchange membrane fuel cell by catalyst layer structure optimization
- Performance improvement of ultra-low Pt proton exchange membrane fuel cell by catalyst layer structure optimization
- 中国化学工程学报（英文版） 2022年41卷第1期页码：473-479
- Affiliations：
  
  1. School of Chemistry & Chemical Engineering, Chongqing University,Chongqing,China,400044
  2. School of Energy and Power Engineering, Chongqing University,Chongqing,China,400044
  3. School of Chemistry and Bioengineering, HongKong University of Science and Technology,Hong Kong,China
- Author bio：
- Funds：
- DOI：
  中图分类号：
- 纸质出版：2022
- Accepted：
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Jinyan Xi, Kang Meng, Ying Li, 等. Performance improvement of ultra-low Pt proton exchange membrane fuel cell by catalyst layer structure optimization[J]. 中国化学工程学报（英文版）, 2022,41(1):473-479.

Jinyan Xi, Kang Meng, Ying Li, Meng Wang, Qiang Liao, Zidong Wei, Minhua Shao, Jianchuan Wang. Performance improvement of ultra-low Pt proton exchange membrane fuel cell by catalyst layer structure optimization[J]. Chinese Journal of Chemical Engineering, 2022, 41(1): 473-479.
Jinyan Xi, Kang Meng, Ying Li, 等. Performance improvement of ultra-low Pt proton exchange membrane fuel cell by catalyst layer structure optimization[J]. 中国化学工程学报（英文版）, 2022,41(1):473-479. DOI：

Jinyan Xi, Kang Meng, Ying Li, Meng Wang, Qiang Liao, Zidong Wei, Minhua Shao, Jianchuan Wang. Performance improvement of ultra-low Pt proton exchange membrane fuel cell by catalyst layer structure optimization[J]. Chinese Journal of Chemical Engineering, 2022, 41(1): 473-479. DOI：

摘要

Abstract

Reducing the loading of noble Pt-based catalyst is vital for the commercialization of proton exchange membrane fuel cell (PEMFC). However

severe mass transfer polarization loss resulting in fuel cell performance decline will be encountered in ultra-low Pt PEMFC. In this work

mild oxidized multiwalled carbon nanotubes (mMWCNT) were adopted to construct the catalyst layer

and by varying the loading of carbon nanotubes

the catalyst layer structure was optimized. A high peak power density of 1.23 W·cm

-2

for the MEA with mMWCNT was obtained at an ultra-low loading of 120 μg·cm

-2

Pt/PtRu (both cathode and anode)

which was 44.7% higher than that of MEA without mMWCNT. Better catalyst dispersion

low charge transfer resistance

more porous structure and high hydrophobicity of catalyst layer were ascribed for the reasons of the performance improvement.

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