Issue 89, 2022

Spatially confined magnesiothermic reduction induced uniform mesoporous hollow silicon carbide nanospheres for high-performance supercapacitors

Abstract

In this work, mesoporous hollow SiC nanospheres (MHS-SiC) are successfully fabricated via in situ magnesiothermic reduction of mesoporous hollow carbon-silica nanospheres (MHS-SiO2/C), which inherit a unique interconnected network on the shell. The specially designed interpenetrating shell structure provides an accessible interface between Si and C elements in a confined nanospace during magnesiothermic reduction, and thus well-dispersed MHS-SiC nanospheres (∼95 nm in diameter) with interconnected mesoporous shells and high specific surface area (868 m2 g−1) can be obtained. For practical applications, the obtained MHS-SiC electrode exhibits a high-rate capacitance and long cycling stability for supercapacitors.

Graphical abstract: Spatially confined magnesiothermic reduction induced uniform mesoporous hollow silicon carbide nanospheres for high-performance supercapacitors

Supplementary files

Article information

Article type
Communication
Submitted
31 ኦገስ 2022
Accepted
14 ኦክቶ 2022
First published
14 ኦክቶ 2022

Chem. Commun., 2022,58, 12455-12458

Spatially confined magnesiothermic reduction induced uniform mesoporous hollow silicon carbide nanospheres for high-performance supercapacitors

J. Hou, L. Fang, X. Wang, H. Gao and G. Wang, Chem. Commun., 2022, 58, 12455 DOI: 10.1039/D2CC04723C

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