Hydrogen storage in high surface area graphene scaffolds

被引：80

作者：

Klechikov, Alexey ^{[1
]}

Mercier, Guillaume ^{[1
]}

Sharifi, Tiva ^{[1
]}

Baburin, Igor A. ^{[2
]}

Seifert, Gotthard ^{[2
]}

Talyzin, Alexandr V. ^{[1
]}

机构：

[1] Umea Univ, Dept Phys, SE-90187 Umea, Sweden

[2] Tech Univ Dresden, Theoret Chem, D-01062 Dresden, Germany

来源：

CHEMICAL COMMUNICATIONS | 2015年 / 51卷 / 83期

基金：

瑞典研究理事会;

关键词：

ZEOLITE-TEMPLATED CARBON; ACTIVATED CARBON; ADSORPTION; OXIDE; SUPERCAPACITORS; NANOSTRUCTURES; PRESSURES; HEAT; GAS;

D O I：

10.1039/c5cc05474e

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Using an optimized KOH activation procedure we prepared highly porous graphene scaffoldmaterials with SSA values up to 3400m(2) g(-1) and a pore volume up to 2.2 cm(3) g(-1), which are among the highest for carbon materials. Hydrogen uptake of activated graphene samples was evaluated in a broad temperature interval (77-296 K). After additional activation by hydrogen annealing the maximal excess H-2 uptake of 7.5 wt% was obtained at 77 K. A hydrogen storage value as high as 4 wt% was observed already at 193 K (120 bar H-2), a temperature of solid CO2, which can be easily maintained using common industrial refrigeration methods.

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收藏

页码：15280 / 15283

页数：4

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