Hydrogen storage in Ni-B nanoalloy-doped 2D graphene

被引：43

作者：

Wang, Yi ^{[1
,3
]}

Liu, Jiehua ^{[4
]}

Wang, Kean ^{[1
,5
]}

Chen, Tao ^{[1
,2
]}

Tan, Xin ^{[3
]}

Li, Chang Ming ^{[1
,2
]}

机构：

[1] Nanyang Technol Univ, Sch Chem & Biomed Engn, Singapore 637457, Singapore

[2] Southwest Univ, Inst Clean Energy & Adv Mat, Chongqing 400715, Peoples R China

[3] Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China

[4] Nanyang Technol Univ, Sch Phys & Math Sci, Singapore 639798, Singapore

[5] Petr Inst, Dept Chem Engn, Abu Dhabi, U Arab Emirates

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2011年 / 36卷 / 20期

关键词：

Hydrogen storage; Graphene; Ni-B nanoalloys; Spillover; Adsorption; CARBON NANOTUBES; METAL-OXIDE; SPILLOVER; ADSORPTION; PLATINUM; CAPACITY; KINETICS;

D O I：

10.1016/j.ijhydene.2011.07.034

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：

Two-dimensional graphene material is doped with Ni-B nanoalloys via a chemical reduction method, and shows that the optimal graphene doped with Ni (0.14 wt.%) and B (0.63 wt.%) has a hydrogen capacity of 2.81 wt.% at 77 K and 106 kPa, which is more than twice of that of the pristine graphene. The measured adsorption isotherms of hydrogen and nitrogen suggest that the Ni-B nanoalloys function as catalytic centers to induce the dissociative adsorption of hydrogen (spillover) on the graphene. The Ni-B nanoalloys without using any noble metal may be a promising catalyst for hydrogen storage application. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：12950 / 12954

页数：5

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