Wide Facets ZnCo2O4 Nanosheets for High Electrochemical Supercapacitor Performances

Author:

Yuan Yuan1,Fang Lei1,Gu Mingqing1,Lv Zhaoxu2,Lv Changrong3,Ullah Nabi4,Umar Ahmad5,Hussain Shahid6

Affiliation:

1. Department of Construction, State Gird Jiangsu Electirc Power Co., Ltd., Nanjing, 210009, China

2. Planning and Design Institute, Jiangsu Xiandai Road & Bridge Co., Ltd., Nanjing, 210049, China

3. Shandong Hi-Speed Engineering Consulting Group Co., Ltd., Jinan, 250098, China

4. Department of Inorganic and Analytical Chemistry, Faculty of Chemistry, University of Lodz, Tamka 12, 91403, Lodz, Poland

5. Department of Chemistry, College of Science and Arts and Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran, 11001, Kingdom of Saudi Arabia

6. School of Materials Science and Engineering, Jiangsu University, Zhenjiang, 212013, China

Abstract

ZnCo2O4 nanosheets show excellent supercapacitive performance due to their well-developed and uniform architecture. The unique nanosheets with wide facets deliver outstanding electrochemical supercapacitor performance. As a result, the catalyst exhibits a specific capacitance of 700 F/g at a current density of 1 A/g. Interestingly, the material also shows outstanding cycling stability and loses only 2.75% even after 5000 cycles. The study confirms that ZnCo2O4 based materials can be applied in high-energy as well as high-power density applications (energy storage, electric vehicles, and flexible electronic devices) due to their excellent morphology, wide facets, outstanding stability, and capacitance.

Publisher

American Scientific Publishers

Subject

General Materials Science

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