Pyridine-enriched graphene sheets for high volumetric performance supercapacitors

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成果类型：

期刊论文

作者：

Zhang, Xuefang;Wang, Deping;Yang, Min;Xia, Xiaohong*;Chen, Hui;...

通讯作者：

Xia, Xiaohong;Liu, Hongbo

作者机构：

[Chen, Hui; Chen, Yuxi; Yang, Min; Xia, Xiaohong; Xia, XH; Liu, HB; Zhang, Xuefang; Liu, Hongbo] Hunan Univ, Coll Mat Sci & Engn, Changsha, Hunan, Peoples R China.

[Wang, Deping] Hengyang Normal Univ, Coll Chem & Mat Sci, Hengyang 421008, Hunan, Peoples R China.

[Chen, Yuxi; Xia, Xiaohong; Xia, XH; Liu, HB; Liu, Hongbo] Hunan Univ, Hunan Prov Key Lab Adv Carbon Mat & Appl Technol, Changsha 410082, Hunan, Peoples R China.

通讯机构：

[Xia, XH; Liu, HB] H

Hunan Univ, Coll Mat Sci & Engn, Changsha, Hunan, Peoples R China.

Hunan Univ, Hunan Prov Key Lab Adv Carbon Mat & Appl Technol, Changsha 410082, Hunan, Peoples R China.

语种：

英文

关键词：

Capacitance;Electrolytes;Nitrogen;Pyridine;Redox reactions;Supercapacitor;2,6-diaminopyridine;Capacitance retention;Gravimetric capacitance;High nitrogen content;High volumetric performance;Mild reaction conditions;Pseudocapacitance;Reversible redox reactions;Graphene

期刊：

Journal of Solid State Electrochemistry

ISSN：

1432-8488

年：

2018

卷：

期：

页码：

1921-1931

DOI：

10.1007/s10008-018-3879-1

基金类别：

Acknowledgements This work was supported financially by the National Natural Science Foundation of China (51402101, 51472083 and 51772083), Hunan Provincial Natural Science Foundation of China (14JJ3059 and 2017JJ2008), and Growth Scheme for Young Teachers of Hunan University (No. 531107040185).

机构署名：

本校为其他机构

院系归属：

化学与材料科学学院

摘要：

Pyridine-enriched graphene sheets (DAP-RGOs) have been successfully prepared at mild reaction conditions from graphene oxide (GO) and 2, 6-diaminopyridine (DAP). High nitrogen content in DAP-RGOs can be readily achieved in a range of 13.1– 17.2% by controlling the feed ratios of reactants. The pyridine moieties grafted on the graphene sheets take place a reversible redox reaction and demonstrate faradaic capacitive behavior. Due to its high density (1.59 g cm−3) and reasonable nitrogen content (14.4%), the as-prepared DAP-RGO sample exhibits ...

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Pyridine-enriched graphene sheets for high volumetric performance supercapacitors

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