Ordered mesoporous carbon from preasphaltene: preparation and capacitance properties

ZHOU Ying; LIU Xiaoxue; WANG Liuping; XU Qinyi; WANG Zhichao; QIU Jieshan

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Ordered mesoporous carbon from preasphaltene: preparation and capacitance properties

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- Ordered mesoporous carbon from preasphaltene: preparation and capacitance properties
- CIESC Journal Issue 9, Pages: 2359-2364(2009)
- 作者机构：
  
  1. 大连理工大学炭素材料研究室，精细化工国家重点实验室
  2. 大连理工大学辽宁省微纳米技术及系统重点实验室
- 作者简介：
- 基金信息：
- DOI：
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- Online First：05 September 2009，
  
  Published：05 September 2009
- 稿件说明：
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ZHOU Ying, LIU Xiaoxue, WANG Liuping, et al. Ordered mesoporous carbon from preasphaltene: preparation and capacitance properties[J]. CIESC Journal, 2009, (9): 2359-2364.
DOI：

ZHOU Ying, LIU Xiaoxue, WANG Liuping, et al. Ordered mesoporous carbon from preasphaltene: preparation and capacitance properties[J]. CIESC Journal, 2009, (9): 2359-2364. DOI：

摘要

以预沥青烯为碳源、SBA-15为模板，采用模板法合成了结构有序的中孔炭材料。用XRD、TEM、N2吸附和电化学工作站等对中孔炭的微观结构及电化学性能进行了研究。结果表明，以预沥青烯为碳源合成的炭材料具有高度有序的二维六方孔道和一定的石墨化程度，它反转复制了模板SBA-15的结构。中孔炭的比表面积为542 m2·g-1，孔容为0.479 cm3·g-1，孔径呈单峰分布，集中在3.5 nm左右。这种预沥青烯基中孔炭作为电化学电容器电极材料，显示出良好的性能，在1 mA的电流强度下其单电极质量比电容高达310 F·g-1。

Abstract

Ordered mesoporous carbon was made from preasphaltene derived from coal liquefaction

with SBA-15 used as template.The microstructure and capacitance properties of the as-made ordered mesoporous carbon (OMC) were investigated with XRD

TEM

N2 adsorption and electrochemical workstation.The results showed that the OMC had partially graphitized and well-ordered hexagonal structure that was a reverse replication of the template.The specific surface area of the OMC was 542 m2·g-1 with a pore volume of 0.479 cm3·g-1 and a narrow pore size distribution centering at 3.5 nm.The properties of the capacitor electrodes assembled from the OMC were tested in a three-electrodes system

showing that the OMC was a promising capacitor electrode material

of which the specific capacitance of single electrode at 1 mA was up to 310 F·g-1.

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