Preparation and study of porous MnCo2O4@NiO nanosheets for high-performance supercapacitor. Issue 16 (November 2019)

• Record Type: Journal Article
• Authors: Cheng, Bingbing; Zhang, Wei; Yang, Mo; Zhang, Yujie; Meng, Fanbin
• Is Part Of: Ceramics international. Volume 45:Issue 16(2019)
• Page Start: 20451
• Page End: 20457
• Publication Date: 2019-11
• Subjects: MnCo2O4@NiO -- Hydrothermal -- Supercapacitor -- Porous nanosheet -- Electrode materials; Ceramics -- Periodicals; Céramique industrielle -- Périodiques; Ceramics; Periodicals; Electronic journals; 666
• DOI: 10.1016/j.ceramint.2019.07.022
• Languages: English
• ISSNs: 0272-8842

Abstract

Abstract: Porous MnCo2 O4 @NiO nanosheets have been produced through hydrothermal synthesis and calcination. The net structure of the porous nanosheets allows the MnCo2 O4 @NiO electrode to have an excellent specific surface area so as to provide more active sites in the Faraday reaction. Therefore, the MnCo2 O4 @NiO electrode has an ultrahigh specific capacitance of up to 508.3 F g −1 at a current density of 2 A g −1 and excellent cycle stability of 89.7% capacitance retention after 2000 cycles at a current density of 10 A g −1 . With their unique structure, these composite materials show great potential for use as high-performance supercapacitor anodes in practical applications.