Triangular Prism Shaped Co3O4 as a high-performance Electrode Material for Supercapacitors

被引：13

作者：

Chen, Hongmei ^{[1
]}

Xue, Chenyang ^{[1
]}

Cui, Danfeng ^{[1
]}

Li, Yuankai ^{[1
]}

Wang, Yueqing ^{[2
]}

Zhang, Wendong ^{[1
]}

机构：

[1] North Univ China, Sci & Technol Elect Test & Measurement Lab, Taiyuan 030051, Shanxi, Peoples R China

[2] North Univ China, Sch Energy & Power Engn, Taiyuan 030051, Shanxi, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2020年 / 15卷 / 01期

基金：

美国国家科学基金会;

关键词：

Co3O4; electrochemical; supercapacitors; energy density; GRAPHENE OXIDE; ELECTROCHEMICAL PERFORMANCE; ASYMMETRIC SUPERCAPACITOR; NANOPARTICLES; HYBRID; FABRICATION; HETEROSTRUCTURES; ARCHITECTURES; NANOWIRES; STORAGE;

D O I：

10.20964/2020.01.55

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Herein, triangular prism shaped Co3O4 material was constructed by a facile route and used as a supercapacitor electrode. The Co3O4 material was fully characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), scanning electron microscope (SEM) and transmission electron microscope (TEM). Electrochemical characterization revealed that the Co3O4 material showed a high specific capacitance of 907.1 F g (-1) at a current density of 1A g(-1) and excellent cycle stability (with 86.5% of the initial specific capacitance remaining after 3000 cycles) at a current density of 10 A g(-1). Additionally, an energy density of 23.0 Wh/kg with a power density of 0.26 kW/kg was obtained over the Co3O4.

引用

页码：966 / 976

页数：11

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