Journal
NANOTECHNOLOGY
Volume 27, Issue 34, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/27/34/342001
Keywords
hollow spheres; supercapacitors; fabrication strategies; electrode materials
Funding
- National Natural Science Foundation of China [51133001, 21374018]
- Science and Technology Foundation of Ministry of Education of China [20110071130002]
- Science and Technology Foundation of Shanghai [13JC1407800]
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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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