Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/105252
Title: General synthesis of multi-shelled mixed metal oxide hollow spheres with superior lithium storage properties
Authors: Zhang, Genqiang
Lou, David Xiong Wen
Keywords: DRNTU::Engineering::Chemical engineering
Issue Date: 2014
Source: Zhang, G., & Lou, D. X. W. (2014). General Synthesis of Multi-Shelled Mixed Metal Oxide Hollow Spheres with Superior Lithium Storage Properties. Angewandte Chemie International Edition, 53(34), 9041-9044.
Series/Report no.: Angewandte Chemie international edition
Abstract: Complex hollow structures of transition metal oxides, especially mixed metal oxides, could be promising for different applications such as lithium ion batteries. However, it remains a great challenge to fabricate well-defined hollow spheres with multiple shells for mixed transition metal oxides. Herein, we have developed a new “penetration–solidification–annealing” strategy which can realize the synthesis of various mixed metal oxide multi-shelled hollow spheres. Importantly, it is found that multi-shelled hollow spheres possess impressive lithium storage properties with both high specific capacity and excellent cycling stability. Specifically, the carbon-coated CoMn2O4 triple-shelled hollow spheres exhibit a specific capacity of 726.7 mA h g−1 and a nearly 100 % capacity retention after 200 cycles. The present general strategy could represent a milestone in design and synthesis of mixed metal oxide complex hollow spheres and their promising uses in different areas.
URI: https://hdl.handle.net/10356/105252
http://hdl.handle.net/10220/20519
ISSN: 1433-7851
DOI: 10.1002/anie.201404604
Rights: © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SCBE Journal Articles

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