Characterization of a zeolite-templated carbon for H2 storage application

被引:64
|
作者
Guan, C. [1 ]
Wang, K. [1 ]
Yang, C. [1 ]
Zhao, X. S. [2 ]
机构
[1] Nanyang Technol Univ, Sch Chem & Biomed Engn, Singapore 637459, Singapore
[2] Natl Univ Singapore, Dept Chem & Biomol Engn, Singapore 117576, Singapore
关键词
Template synthesis; Adsorption; Hydrogen storage; Activated carbon; Characterization; HYDROGEN-STORAGE; PORE-SIZE; POROUS CARBONS; ADSORPTION; NANOPARTICLES; CAPACITY; METHANE; HEAT; CO2;
D O I
10.1016/j.micromeso.2008.09.029
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Hydrogen storage was investigated in an activated carbon with a specific surface area of 1500 m(2)/g prepared using sucrose as carbon precursor and ammonium-form zeolite Y as template. The carbon sample exhibits a hydrogen storage capacity of 2.4 wt% at 77 K and 10 bar. The isosteric heat of adsorption was found about 8 kJ/mol at a low surface loading. CO2 adsorption isotherm at 273 K was used to characterize small micropores in the sample and was found to be more applicable than N-2 isotherm at 77 K. (C) 2008 Elsevier Inc. All rights reserved.
引用
收藏
页码:503 / 507
页数:5
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