High Performance Membrane Electrode Assembly with Low Platinum Loadings Prepared by Atomic Layer Deposition for PEMFC Application

Authors

Ting SHU, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China;
Shi-Jun LIAO, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China;
Chien-te HSIEH, Department of Chemical Engineering and Materials Science, Yuan Ze Fuel Cell Center, Yuan Ze University, Taoyuan 32003;
Ay SU, Department of Mechanical Engineering, Yuan Ze Fuel Cell Center, Yuan Ze University, Taoyuan 32003;

Corresponding Author

Shi-Jun LIAO(chsjliao@scut.edu.cn)

Abstract

A high performance membrane electrode assembly (MEA) with low platinum loadings was successfully prepared with atomic layer deposition (ALD) technique. The anode of the MEA was prepared by depositing platinum on the carbon paper substrate, which was prepared by coating the slurry of carbon black (XC-72R) and Teflon, followed by drying and calcining at 350 °C. The MEAs consisted of the ALD anode or commercial catalyst anode, pretreated Nafion membrane (Nafion-117) and commercial cathode. Performances of MEAs were measured by single cell testing, and the anodes and MEAs were characterized by CV, SEM, TEM and XRD. The results revealed that the active component, Pt, was highly dispersed in the ALD anode and MEA with ALD anode showed excellent activity and stability. The mass activity could be high up to 3.34 kW.(gPt)^-1, which is 1.76 times higher than that of the MEA with the anode prepared with commercial catalyst and conventional method. The high performance with low platinum loadings and high utilization of platinum make the ALD technique promising to be used in PEM fuel cell.

Graphical Abstract

Keywords

atomic layer deposition, membrane electrode assembly, low Pt loading

DOI Link

https://doi.org/10.61558/2993-074X.2099

Publication Date

2013-02-28

Online Available Date

2012-02-20

Revised Date

2012-02-12

Received Date

2012-01-13

Recommended Citation

Ting SHU, Shi-Jun LIAO, Chien-te HSIEH, Ay SU. High Performance Membrane Electrode Assembly with Low Platinum Loadings Prepared by Atomic Layer Deposition for PEMFC Application[J]. Journal of Electrochemistry, 2013 , 19(1): 65-70.
DOI: 10.61558/2993-074X.2099
Available at: https://jelectrochem.xmu.edu.cn/journal/vol19/iss1/6