One-step preparation of nitrogen-doped porous carbons with excellent properties for high-performance supercapacitors

被引：26

作者：

Dai, Yanfei ^{[1
]}

He, Shuaishuai ^{[1
]}

Yu, Lubing ^{[1
]}

Liu, Jian ^{[1
,2
,3
]}

Gan, Lihui ^{[1
,2
,3
]}

Long, Minnan ^{[1
,2
,3
]}

机构：

[1] Xiamen Univ, Coll Energy, Xiamen 361005, Peoples R China

[2] Xiamen Univ, Xiamen Key Lab Clean & High Valued Applicat Bioma, Xiamen 361102, Peoples R China

[3] Xiamen Univ, Fujian Engn & Res Ctr Clean & High Valued Technol, Xiamen 361102, Peoples R China

来源：

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2019年 / 129卷

关键词：

Porous carbon; High specific surface area; Nitrogen-doped; Supercapacitor; NANOFIBERS; WATER; ACID;

D O I：

10.1016/j.jpcs.2018.12.043

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

One-step preparation of nitrogen-doped porous carbon with high specific surface area and large pore volume was carried out by taking pre-treated chitosan as the carbon and nitrogen source and KOH as the activator. The prepared product with a chitosan/KOH mass ratio of 1: 1 had a specific surface area of 2952.9 m(2 )g(-1) and a pore volume of 2.32 cm(3) g(-1). With 6 M KOH solution as the electrolyte, the specific capacitance of the product reached 325.6 F g(-1)(0.5 Ag-1), and the performance did not degrade after 5000 cycles. The results indicate the potential of this product as a promising electrode material for supercapacitors.

引用

页码：122 / 127

页数：6

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