Platinum-Nickel Electrocatalysts for a Proton-Exchange Membrane Fuel Cell Cathode: Their Synthesis, Acid Treatment, Microstructure and Electrochemical Behavior

被引：0
|
作者：
Kozhokar, Ekaterina [1 ]
Pavlets, Angelina [1 ]
Pankov, Ilya [2 ]
Alekseenko, Anastasia [1 ]
机构：
[1] Southern Fed Univ, Fac Chem, 7 Zorge St, Rostov Na Donu 344090, Russia
[2] Southern Fed Univ, Res Inst Phys & Organ Chem, 194-2 Stachki St, Rostov Na Donu 344090, Russia
来源：
ENERGIES | 2023年 / 16卷 / 16期
关键词：
platinum-nickel electrocatalyst; bimetallic electrocatalyst; ORR activity; de-alloyed catalyst; nanoparticle structure; OXYGEN REDUCTION REACTION; CORE-SHELL NANOPARTICLES; PT-NI ALLOY; CATALYST; DURABILITY; NANOWIRES; PTNI/C;
D O I：
10.3390/en16166078
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Within this research, we studied the structural-morphological and electrochemical characteristics of the PtNi/C catalysts synthesized via the two-stage sequential reduction of precursors. We also carried out a comparative study of the obtained bimetallic catalysts and their commercial Pt/C analog. The use of triethylamine as a surfactant as well as the acid treatment as an additional synthesis stage, were shown to have a positive effect on the functional parameters of the bimetallic electrocatalysts. The resulting PtNi/C electrocatalyst demonstrates a mass activity value of 389 A gPt 1, which is 1.6 times higher than this parameter for a commercial analog.
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页数：15
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