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

来源：

COLLOID JOURNAL | 2019年 / 81卷 / 05期

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

页码：607 / 612

页数：6

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