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Accurate Control of Multishelled Co 3 O 4 Hollow Microspheres as High‐Performance Anode Materials in Lithium‐Ion Batteries
Author(s) -
Wang Jiangyan,
Yang Nailiang,
Tang Hongjie,
Dong Zhenghong,
Jin Quan,
Yang Mei,
Kisailus David,
Zhao Huijun,
Tang Zhiyong,
Wang Dan
Publication year - 2013
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201301622
Subject(s) - anode , microsphere , lithium (medication) , materials science , diffusion , buffer (optical fiber) , porosity , volume (thermodynamics) , ion , computer science , chemical engineering , nanotechnology , chemistry , engineering , physics , electrode , composite material , telecommunications , thermodynamics , endocrinology , medicine , organic chemistry
More than just an empty shell : Multishelled Co 3 O 4 microspheres were synthesized as anode materials for lithium‐ion batteries in high yield and purity. As their porous hollow multishell structure guarantees a shorter Li + diffusion length and sufficient void space to buffer the volume expansion, their rate capacity, cycling performance, and specific capacity were excellent (1615.8 mA h g −1 in the 30th cycle for triple‐shelled Co 3 O 4 ; see graph).
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