Highly efficient electrocatalytic oxidation of formic acid on palladium nanoparticles-graphitic carbon nitride composite

被引：23
作者：
Bhowmik, Tanmay [1 ]
Kundu, Manas Kumar [1 ]
Barman, Sudip [1 ]
机构：
[1] Natl Inst Sci Educ & Res, Sch Chem Sci, HBNI, Bhubaneswar 751005, Odisha, India
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2017年 / 42卷 / 01期
关键词：
Graphitic carbon-nitride; Palladium nanoparticle; Formic acid oxidation; Electrocatalyst; Synergistic interaction; OXYGEN REDUCTION REACTION; REDUCED GRAPHENE OXIDE; FACILE SYNTHESIS; PD CATALYST; CU ALLOY; MPD M; ELECTROOXIDATION; NANOTUBES; PERFORMANCE; NANOCRYSTALS;
D O I：
10.1016/j.ijhydene.2016.11.095
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The electrochemical formic acid oxidation reaction (FAO) is an anodic process of direct formic acid fuel cells. Carbon supported platinum (Pt/C) and Palladium (Pd/C) catalysts are widely used as anode materials for FAO. The CO poisoning of Pt/C and poor stability of Pd/C are main obstacles for its commercialization. We report here superior electrocatalytic activity of Palladium nanoparticles-carbon nitride composite (PdNPs/CNx) towards formic acid oxidation (FAO) with high mass activity (1640 mAmg(pd)(-1)) in acid media (0.5 M H2SO4) which is 7.2 times higher than that of commercial Pd/C catalyst. It also exhibited an outstanding stability for FAO (mass activity of this catalyst was 23 times higher than commercial Pd/C after 1000 cycles). (C) 2016 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：212 / 217
页数：6
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