Pd Nanoparticles Supported on the Etched Ni Foams as High-Performance Electrocatalysts for Direct Ethanol Fuel Cells

Authors

Chi ZHANG, MOE Laboratory of Bioinorganic and Synthetic Chemistry, The Key Lab of Low-carbon Chemistry & Energy Conservation of Guangdong Province, School of Chemistry, Sun Yat-sen University,Guangzhou 510275, China;
Cheng-fei LI, MOE Laboratory of Bioinorganic and Synthetic Chemistry, The Key Lab of Low-carbon Chemistry & Energy Conservation of Guangdong Province, School of Chemistry, Sun Yat-sen University,Guangzhou 510275, China;
Gao-ren LI, MOE Laboratory of Bioinorganic and Synthetic Chemistry, The Key Lab of Low-carbon Chemistry & Energy Conservation of Guangdong Province, School of Chemistry, Sun Yat-sen University,Guangzhou 510275, China;Follow

Corresponding Author

Gao-ren LI(ligaoren@mail.sysu.edu.cn)

Abstract

The development of non-Pt anode electrocatalysts with high activity and long-term durability at low cost for fuel cells still remains enormous challenge. Here we report the Pd nanoparticles supported on Ni foams etched by the mixed acids (HNO₃+H₂SO₄+H₃PO₄+CH₃COOH) (Pd/ME-NF) that are designed and fabricated as high-performance electrocatalysts for ethanol oxidation in alkaline media. Because of the advantages of large open space, fast electrolyte penetration/diffusion and rapid electron transfer process, the Pd/ME-NF catalysts exhibited significantly improved electrocatalytic activity and durability compared with the commercial Pd/C catalysts.

Graphical Abstract

Keywords

Pd nanoparticle, Ni foam, mixed acids etching, electrocatalyst, ethanol oxidation

DOI Link

https://doi.org/10.13208/j.electrochem.181144

Publication Date

2019-10-28

Online Available Date

2019-01-10

Revised Date

2018-12-20

Received Date

2018-11-12

Recommended Citation

Chi ZHANG, Cheng-fei LI, Gao-ren LI. Pd Nanoparticles Supported on the Etched Ni Foams as High-Performance Electrocatalysts for Direct Ethanol Fuel Cells[J]. Journal of Electrochemistry, 2019 , 25(5): 571-578.
DOI: 10.13208/j.electrochem.181144
Available at: https://jelectrochem.xmu.edu.cn/journal/vol25/iss5/5

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