Synthesis of Pt3Ni-based functionalized MWCNTs to enhance electrocatalysis for PEM fuel cells

被引：4
作者：
Qiao, Lei [1 ]
Liao, Mingjia [2 ]
Chen, Siguo [1 ]
Wei, Zidong [1 ]
Zhang, Shengtao [1 ]
机构：
[1] Chongqing Univ, Coll Chem & Chem Engn, Chongqing 400044, Peoples R China
[2] Chongqing Chem Ind Vocat Coll, Chongqing 400020, Peoples R China
来源：
JOURNAL OF SOLID STATE ELECTROCHEMISTRY | 2014年 / 18卷 / 07期
关键词：
Platinum-nickel alloy; FMWCNT; Electrocatalyst; Stability; Proton exchange membrane fuel cell (PEMFC); MULTIWALLED CARBON NANOTUBES; OXYGEN REDUCTION REACTION; PT-NI; METHANOL OXIDATION; ALLOY CATALYSTS; NITRIDE ELECTROCATALYSTS; NANOPARTICLES; DURABILITY; STABILITY; ELECTROOXIDATION;
D O I：
10.1007/s10008-014-2389-z
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Nanoscale Pt3Ni/functionalized multiwalled carbon nanotubes (FMWCNTs) catalysts, successfully synthesized by anchoring nickel-platinum alloy nanoparticles on FMWCNTs, are presented in this paper. Compared with conventional commercial Pt/C catalysts, the preliminary results revealed that the Pt3Ni/FMWCNTs catalysts demonstrated not only higher specific activity for oxygen reduction reaction (ORR) but also outstanding stability. The enhancement in the stability of the Pt3Ni/FMWCNTs catalysts is believed to be due to the anchor effects in Pt3Ni alloy structure, the stronger interaction between Pt3Ni alloy nanoparticles and FMWCNTs, and the "pi sites" anchoring centers for metal nanoparticles from CNTs with high graphite.
引用
收藏
页码：1893 / 1898
页数：6
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