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Nanotechnology. 2016 Aug 26;27(34):342001. doi: 10.1088/0957-4484/27/34/342001. Epub 2016 Jul 13.

Recent progress in hollow sphere-based electrodes for high-performance supercapacitors.

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Institute for Energy Research, Jiangsu University, Jiangsu 212013, People's Republic of China. Department of Materials Science, Fudan University, Shanghai 200433, People's Republic of China.


Hollow spheres have drawn much attention in the area of energy storage and conversion, especially in high-performance supercapacitors owing to their well-defined morphologies, uniform size, low density and large surface area. And quite some significant breakthroughs have been made in advanced supercapacitor electrode materials with hollow sphere structures. In this review, we summarize and discuss the synthesis and application of hollow spheres with controllable structure and morphology as electrode materials for supercapacitors. First, we briefly introduce the fabrication strategies of hollow spheres for electrode materials. Then, we discuss in detail the recent advances in various hollow sphere-based electrode materials for supercapacitors, including single-shelled, yolk-shelled, urchin-like, double-shelled, multi-shelled, and mesoporous hollow structure-based symmetric and asymmetric supercapacitor devices. We conclude this review with some perspectives on the future research and development of the hollow sphere-based electrode materials.

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