Direct hydrazine-hydrogen peroxide fuel cell using carbon supported Co@Au core-shell nanocatalyst

被引：32

作者：

Abdolmaleki, M. ^{[1
]}

Ahadzadeh, I. ^{[2
]}

Goudarziafshar, H. ^{[1
]}

机构：

[1] Sayyed Jamaleddin Asadabadi Univ, Fac Sci, Dept Chem, Asadabad, Iran

[2] Univ Tabriz, Fac Chem, Dept Phys Chem, Res Lab Electrochem Instrumentat & Energy Syst, Tabriz, Iran

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2017年 / 42卷 / 23期

关键词：

Core-shell nanoparticle; Direct hydrazine fuel cell; Hydrogen peroxide; Operation conditions; Performance stability; ELECTROCHEMICAL OXIDATION; AMBIENT CONDITIONS; EXCHANGE MEMBRANE; NANOPOROUS GOLD; ALKALINE MEDIA; BOROHYDRIDE; PERFORMANCE; ANODE; ELECTROCATALYST; CATHODE;

D O I：

10.1016/j.ijhydene.2017.05.059

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：

Carbon-supported Co@Au core-shell/C and Au/C nanoparticles are synthesized by a successive reduction method in an aqueous solution and used as the anode and cathode electrocatalysts for the direct hydrazine-hydrogen peroxide fuel cell, respectively. The physical and electrochemical properties of the as-prepared electrocatalysts are investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive Xray spectroscopy (EDS), and fuel cell field tests. In this work, the effects of different operation conditions including operation temperature, fuel and oxidant concentration and fuel and oxidant flow rate on the performance of fuel cell are systematically investigated. The experimental results exhibit an open circuit voltage of about 1.79 V and a peak power density of 122.75 mW cm(-2) at a current density of 128 mA cm(-2) and a cell voltage of 0.959 V operating on 2.0 M N2H4 and 2.0 M H2O2 at 60 degrees C. (C) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：15623 / 15631

页数：9

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