Preparation and characterization of sucrose-based microporous carbons for increasing hydrogen storage

被引：22

作者：

Choi, Yong-Ki ^{[1
]}

Park, Soo-Jin ^{[1
]}

机构：

[1] Inha Univ, Dept Chem, Inchon 402751, South Korea

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2015年 / 28卷

关键词：

Sucrose; Porous carbons; Hydrogen storage; Activation; ACTIVATED CARBON; POROUS CARBONS; ADSORPTION; NANOTUBES; ELECTRODE; CAPACITY; CO2;

D O I：

10.1016/j.jiec.2015.02.012

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Sucrose-based microporous carbons were prepared for hydrogen storage. Carbon precursors were generated by ultrasonic and heat treatment of a solution of sucrose in sulfuric acid. Chemical activation was performed with KOH at various temperatures, leading to enhanced specific surface area and micropore volume. The structural properties and the morphology were evaluated XRD and SEM, respectively. The textural properties were determined from N-2/77 K adsorption-desorption isotherms using the BET method and HK equation. The hydrogen storage capacity was influenced by the activation temperature, and the optimal hydrogen storage capacity of 2.5 wt.% at 77 K and 1 bar. (C) 2015 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

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页码：32 / 36

页数：5

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