An investigation for hydrogen storage capability of zirconia-reduced graphene oxide nanocomposite

被引：71

作者：

Kaur, Manmeet ^{[1
]}

Pal, Kaushik ^{[1
,2
]}

机构：

[1] Indian Inst Technol, Ctr Nanotechnol, Roorkee 247667, Uttar Pradesh, India

[2] Indian Inst Technol, Dept Mech & Ind Engn, Roorkee 247667, Uttar Pradesh, India

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2016年 / 41卷 / 47期

关键词：

Graphene oxide; Zirconia-reduced graphene oxide nanocomposite; BET surface area; Porous; Electrochemical hydrogen storage; CARBON NANOTUBES; SPILLOVER; NANOPARTICLES; HYBRID; PD; PERFORMANCE; NI;

D O I：

10.1016/j.ijhydene.2016.09.129

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：

In the present study we report how the modification of graphene oxide sheets to zirconiareduced graphene oxide (ZrO2-rGO) nanocomposite improves the electrochemical hydrogen storage. Field Emission Scanning Electron Microscopy (FESEM), X-ray Diffraction (XRD) and Thermo-gravimetric Analysis (TGA) characterizations were carried out to confirm the successful preparation of the samples. Dinitrogen adsorption at 77 K was carried out to determine the surface area and porosity. ZrO2-rGO nanocomposite exhibited high surface area of 390 m(2) g(-1), thus making it a reliable hydrogen storage material. Electrochemical measurements carried on glassy carbon electrode in an aqueous KOH electrolytic solution. Investigation of adsorption-desorption behavior of ZrO2-rGO nano composite was done by cyclic voltammetry and the amount of hydrogen stored was found to be 1.2 wt% using chronopotentiometry. (C) 2016 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：21861 / 21869

页数：9

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