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Title: Co₃O₄ hollow nanoparticles embedded in mesoporous walls of carbon nanoboxes for efficient lithium storage
Authors: Huang, Yi
Fang, Yongjin
Lu, Xue Feng
Luan, Deyan
Lou, Xiong Wen David
Keywords: Engineering::Chemical engineering
Issue Date: 2020
Source: Huang, Y., Fang, Y., Lu, X. F., Luan, D. & Lou, X. W. D. (2020). Co₃O₄ hollow nanoparticles embedded in mesoporous walls of carbon nanoboxes for efficient lithium storage. Angewandte Chemie, 132(45), 20086-20090.
Project: MOE2017-T2-2-003
Journal: Angewandte Chemie
Abstract: Confining nanostructured electrode materials in porous carbon represents an effective strategy for improving the electrochemical performance of lithium-ion batteries. Herein, we report the design and synthesis of hybrid hollow nanostructures composed of highly dispersed Co3O4 hollow nanoparticles (sub-20 nm) embedded in the mesoporous walls of carbon nanoboxes (denoted as H-Co3O4@MCNBs) as an anode material for lithium-ion batteries. The facile metal– organic framework (MOF)-engaged strategy for the synthesis of H-Co3O4@MCNBs involves chemical etching-coordination and subsequent two-step annealing treatments. Owing to the unique structural merits including more active interfacial sites, effectively alleviated volume variation, good and stable electrical contact, and easy access of Li+ ions, the HCo3O4@MCNBs exhibit excellent lithium-storage performance in terms of high specific capacity, excellent rate capability, and cycling stability
ISSN: 0044-8249
DOI: 10.1002/ange.202008987
Rights: © 2020 Wiley-VCH GmbH. All rights reserved
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SCBE Journal Articles

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