Improving the capacitance of derived porous carbon by oxygen functional groups for supercapacitor

被引：12

作者：

Guo, Jialin ^{[1
]}

Zheng, Peng ^{[2
]}

机构：

[1] Shang Luo Univ, Coll Chem Engn & Modern Mat, Shaanxi Key Lab Comprehens Utilizat Tailings Reso, Shang Luo 726000, Shaanxi, Peoples R China

[2] Shaanxi Univ Sci & Technol, Sch Mat Sci & Engn, Xian 710021, Shaanxi, Peoples R China

来源：

MATERIALS LETTERS | 2018年 / 214卷

关键词：

Carbon materials; Energy storage and conversion; Oxygen functional groups; Pseudo-capacitance; Pine needle; ENERGY;

D O I：

10.1016/j.matlet.2017.11.083

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

3D Porous carbon derived from pine needle is prepared by hydrothermal followed KOH activation process. The high surface area (1175 m(2) g(-1)) and rich hierarchical pores provide the electrode with high capacitance. And the abundant surface oxygen functional groups offer additional pseudo-capacitance, which would increase the capacitance. It delivers the capacitance of 348 F g(-1) at 1 A g(-1) in a three-electrode cell. The well performance and the low cost make the derived porous carbon as a promising electrode. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：134 / 137

页数：4

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