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学科主题: 高分子化学 ; 氟化学
题名: Alkylated graphene nanosheets for supercapacitor electrodes: High performance and chain length effect
其他题名: 超级电容器的电极用的烷基化纳米石墨薄片: 高性能和链长效应
作者: Zhao G(赵刚)1; Zhao FG(赵福刚)1; Sun JQ(孙建青)1; Wang W(王伟)1; Lu Y(陆洋)1; Li WS(李维实)1; Chen QY(陈庆云)1
通讯作者: 李维实 ; 陈庆云
刊名: Carbon
发表日期: 2015
DOI: 10.1016/j.carbon.2015.06.061
卷: 94, 页:114-119
收录类别: SCI
文章类型: 论文
英文摘要: Single electrode materials capable of both electric double-layer and Faradic redox-based pseudo capacitance can be used for fabrication of high performance supercapacitors in an easy way and thus are highly desirable in the energy storage field. This contribution reports a new kind of such materials based on alkylated graphene materials (C(n)rGO, n is the carbon number of their alkyl side chains) having different alkyl side chains (n = 4, 8, and 16). These materials were prepared via esterification of KOH-treated GO with the corresponding alkyl bromides in the presence of a phase transfer catalyst. More importantly, water was used as the reaction medium, and thus endowing the preparation method an eco-friend feature. The so-prepared graphene materials displayed chain length-dependent specific surface area and the population of residue CAO functionalities, and thus affording vast differences in their supercapacitor behaviors. C(4)rGO, the product having butyl side chains, showed the best supercapacitor performance with a capacitance up to 242.2 F g(-1) at a scan rate of 100 mV s(-1) and a good cycling stability. (C) 2015 Elsevier Ltd. All rights reserved.
语种: 英语
相关网址: 查看原文
WOS记录号: WOS:000360294900014
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/39853
Appears in Collections:高分子材料研究室_期刊论文

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作者单位: 1.中科院上海有机化学研究所, 有机氟化学重点实验室
2.中科院上海有机化学研究所, 有机功能分子合成与组装化学重点实验室

Recommended Citation:
Zhao G,Zhao FG,Sun JQ,et al. Alkylated graphene nanosheets for supercapacitor electrodes: High performance and chain length effect[J]. Carbon,2015,94:114-119.
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