负载于刻蚀镍泡沫上钯纳米粒子作为乙醇氧化高性能电催化剂

张  翅; 李成飞; 李高仁

doi:10.13208/j.electrochem.181144

电化学 >

2019 , Vol. 25 >Issue 5: 571 - 578

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

研究论文

负载于刻蚀镍泡沫上钯纳米粒子作为乙醇氧化高性能电催化剂

张翅 ,
李成飞 ,
李高仁

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生物无机与合成化学教育部重点实验室，广东省低碳化学与过程节能重点实验室，中山大学化学学院，广州，510275

收稿日期: 2018-11-12

修回日期: 2018-12-20

网络出版日期: 2019-01-10

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

ZHANG Chi ,
LI Cheng-fei ,
LI Gao-ren

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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

Received date: 2018-11-12

Revised date: 2018-12-20

Online published: 2019-01-10

Supported by

This work was supported by the National Basic Research Program of China (2015CB932304 and 2016YFA0202603), NSFC (91645104), Science and Technology Program of Guangzhou (201704030019), Natural Science Foundation of Guangdong Province (2016A010104004 and 2017A010103007), and Guangdong Science and Technology Innovation Leading Talent Fund (2016TX03N187).

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摘要

发展具有高催化活性和高稳定性的非Pt阳极催化剂目前仍面临着巨大的挑战. 除了设计催化剂以外，设计合适的载体对提高电催化剂性能也具有重要意义. 在这篇论文中，作者报导了一种以混合酸(HNO₃+H₂SO₄+H₃PO₄+CH₃COOH) 腐蚀的镍泡沫负载Pd纳米粒子作为高性能电催化剂用于碱性条件下乙醇氧化. 因具有开放孔结构、快速电解质渗透能力及快速的电荷传输性能，这些镍泡沫负载的Pd纳米粒子显示了很好的电催化活性和循环稳定性，显示了该材料在乙醇阳极氧化具有较好的应用前景.

关键词： Pd纳米粒子; 泡沫镍; 混酸腐蚀; 电催化剂; 乙醇氧化物

本文引用格式

张翅 , 李成飞 , 李高仁 . 负载于刻蚀镍泡沫上钯纳米粒子作为乙醇氧化高性能电催化剂[J]. 电化学, 2019 , 25(5) : 571 -578 . DOI: 10.13208/j.electrochem.181144

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.

Key words： Pd nanoparticle; Ni foam; mixed acids etching; electrocatalyst; ethanol oxidation

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