Electrospinning preparation and electrochemical supercapacitor performance of dendrite-like 3D MgCo2O4/C nanofibers

Dendrite-like three-dimensional (3D) MgCo2O4/C nanofibers were fabricated by using a simple single-needle electrospinning method and adjusting the carbonization temperatures. The dendrite-like 3D MgCo2O4/C nanofibers are composed of 1D MgCo2O4/C nanofibers as trunks and secondary carbon nanowires/na...

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Bibliographic Details
Published in:Ceramics international 2023-01, Vol.49 (1), p.1203-1213
Main Authors: Yu, Hongquan, Tian, Zhuang, Zhao, Hengyan, Wu, Yanbo, Chen, Baojiu, Xu, Sai, Zhang, Yong, Zhao, Hong
Format: Article
Language:English
Subjects:
3D nanofibers
Dendrite
Electrospinning
Substructure
Supercapacitors
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Summary:Dendrite-like three-dimensional (3D) MgCo2O4/C nanofibers were fabricated by using a simple single-needle electrospinning method and adjusting the carbonization temperatures. The dendrite-like 3D MgCo2O4/C nanofibers are composed of 1D MgCo2O4/C nanofibers as trunks and secondary carbon nanowires/nanotubes as branches. The diameters of the 1D MgCo2O4/C nanofiber trunks and carbon nanotube/nanowire branches are approximately 500 nm and 20–40 nm, respectively; the lengths of these branches are approximately 200–500 nm. The dendrite-like 3D MgCo2O4/C nanofibers possess a large specific surface area of 314.027 g/m2 and excellent electrochemical performance for supercapacitor owing to their unique structural features. The growth mechanism of the dendrite-like 3D nanofibers was also investigated.
ISSN:0272-8842
1873-3956
DOI:10.1016/j.ceramint.2022.09.098