Biosynthesis of Carbon Spheres for Supercapacitor Electrode Application

被引：0

作者：

Wang, Shicheng ^{[1
]}

Ji, Ling ^{[1
]}

Tang, Xiaowen ^{[1
]}

机构：

[1] Beijing Univ Technol, Beijing 100124, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2017年 / 12卷 / 12期

关键词：

Carbon spheres; Supercapacitor; Corn starch; Electrochemical performance; High temperature oxidation; DOUBLE-LAYER CAPACITORS; RENEWABLE ENERGY; SOLID-STATE; PERFORMANCE; NANOPARTICLES; NANOWIRES; VEHICLE; DENSITY; POLYMER; AEROGEL;

D O I：

10.20964/2017.12.74

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

In this work, corn starch was used for the synthesis of carbon spheres with a regular and perfect shape based on oxidation and carbonization. Carbon spheres typically exhibit large pore volume, high specific surface area, and a synergistic effect derived from mesopores and micropores. After preparation at 2600 degrees C, the as-prepared carbon spheres showed a low internal resistance (0.24 Omega) in KOH aqueous solution (6 M) and a specific capacitance of 311 F/g at a current density of 0.5 A/g. Even when the current density was as high as 10 A/g, the electrochemical capacitance was maintained at 196 F/g.

引用

页码：11496 / 11505

页数：10

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