Glycerol Stabilized NaBH4 Reduction for Preparation Carbon Supported Pt-Ni Alloy Nanoparticles Used as Oxygen-Reduction Electrocatalysts for Microbial Fuel Cells

文献类型： 外文期刊

第一作者： Wang, Zhong

作者： Wang, Zhong;Wang, Min;Zhao, Jinsheng;Wang, Zhong;Yan, Zhenhua

作者机构：

关键词： Pt-Ni alloy;Oxygen reduction reaction;Electrocatalyst;Cathode;Microbial fuel cell

期刊名称：INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE （ 影响因子：1.765； 五年影响因子：1.685 ）

ISSN： 1452-3981

年卷期： 2015 年 10 卷 3 期

页码：

收录情况： SCI

摘要： The high cost and insufficient catalytic activity of carbon-supported Pt nanoparticle catalysts are two main problems in the commercial deployment of microbial fuel cell (MFC). In an effort to address these barriers, three carbon-supported Pt-Ni alloy electrocatalysts with varying Pt:Ni atom ratios (Pt-3-Ni/C, Pt-2-Ni/C, Pt-Ni/C) were prepared by simple NaBH4 reduction in glycerol at room temperature. All of the prepared Pt-Ni alloy nanoparticles (NPs) are highly dispersed on a carbon support and show a single-phase face-centered cubic structure with a particle size of 2.4-3.0 nm. The electrocatalytic performances of the synthesized Pt-Ni alloy catalysts were compared with that of commercial Pt/C by cyclic voltammetry and linear sweep voltammetry; among these NPs, the Pt-2-Ni/C catalyst exhibits the highest activity for oxygen reduction reaction (ORR) in 0.1M HClO4. As the cathode catalyst, the maximum power density produced from MFC with Pt-2-Ni/C (1724 mW m(-2)) was 22% higher than that with commercial Pt/C (1413 mW m(-2)).

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