Hierarchical porous carbon materials from bio waste-mango stone for high-performance supercapacitor electrodes

被引：23

作者：

Su, Xiaoli ^{[1
]}

Jiang, Shuai ^{[1
]}

Zheng, Xiucheng ^{[1
]}

Guan, Xinxin ^{[1
]}

Liu, Pu ^{[1
]}

Peng, Zhikun ^{[1
]}

机构：

[1] Zhengzhou Univ, Coll Chem & Mol Engn, Zhengzhou 450001, Henan, Peoples R China

来源：

MATERIALS LETTERS | 2018年 / 230卷

基金：

中国国家自然科学基金;

关键词：

Mango stone; Carbon materials; Hierarchical pores; Electrical properties; Supercapacitor;

D O I：

10.1016/j.matlet.2018.07.096

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Porous activated carbon was successfully fabricated from bio waste-mango stone via a two-step chemical etching strategy. The optimized carbon material (denoted as MGKZ-2) displayed a high specific capacitance of 353.8 Fg(-1) at 0.5 A g(-1) and a satisfactory rate capability in the three-electrode supercapacitor system. Moreover, MGKZ-2-based symmetric cell presented a high energy density of 27.6 Wh kg(-1) at 159.9 W kg(-1), as well as long-term cycling stability due to its hierarchical pores to offer large ion-accessible surface area, efficient ion diffusion and electron transport pathways. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：123 / 127

页数：5

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