The Influence of the Structural and Energetic Characteristics of the Microporous Structure of Carbon Adsorbents on Hydrogen Adsorption

被引:8
|
作者
Fomkin, A. A. [1 ]
Pribylov, A. A. [1 ]
Tkachev, A. G. [2 ]
Memetov, N. R. [2 ]
Melezhik, A., V [2 ]
Kucherova, A. E. [2 ]
Shubin, I. N. [2 ]
Pulin, A. L. [1 ]
Shkolin, A., V [1 ]
Men'shchikov, I. E. [1 ]
Zhedulov, S. A. [1 ]
Murdmaa, K. O. [1 ]
Artamonova, S. D. [1 ]
机构
[1] Russian Acad Sci, Frumkin Inst Phys Chem & Electrochem, Moscow 119071, Russia
[2] Tambov State Tech Univ, Tambov 392000, Russia
关键词
SORPTION; STORAGE;
D O I
10.1134/S1061933X19050053
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
A new carbon microporous adsorbent denoted as MPU-007 with a specific micropore volume as large as 1.44 cm(3)/g has been synthesized. Hydrogen adsorption on this adsorbent has been studied at temperatures of 303, 313, 323, and 333 K and pressures of up to 15 MPa. The maximum adsorption value is 12 mmol/g (2.4 wt %) at 15 MPa and 303 K. The obtained data have been compared with the results of previous studies of hydrogen adsorption on a number of microporous carbon adsorbents with increasing specific micropore volume. It has been shown that the differential molar isosteric heats of hydrogen adsorption decrease from 10 to 4 kJ/mol with an increase in the degree of micropore filling.
引用
收藏
页码:607 / 612
页数:6
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