Fabrication and characteristics of high-capacity LiNi0.8Co0.15Al0.05O2 with monodisperse yolk–shell spherical precursors by a facile method

Huazhen Yang; Panxing Liu; Qinglin Chen; Xuewen Liu; Yanwen Lu; Shuangfei Xie; Liang Ni; Xingyun Wu; Muyang Peng; Yanbin Chen; Yuefeng Tang; Yanfeng Chen

doi:10.1039/C4RA04122D

Fabrication and characteristics of high-capacity LiNi_0.8Co_0.15Al_0.05O₂ with monodisperse yolk–shell spherical precursors by a facile method

Huazhen Yang,^a Panxing Liu,^a Qinglin Chen,^a Xuewen Liu,^a Yanwen Lu,^a Shuangfei Xie,^a Liang Ni,^a Xingyun Wu,^a Muyang Peng,^a Yanbin Chen,^b Yuefeng Tang*^a and Yanfeng Chen^a

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^a Nanjing University, National Laboratory of Solid State Microstructures and Department of Materials Science and Engineering, College of Engineering and Applied Sciences, Nanjing 210093, China
E-mail: yftang@nju.edu.cn
Fax: +86-25-83594668

^b Nanjing University, National Laboratory of Solid State Microstructures, School of Physics, Nanjing 210093, China

Abstract

The structure of yolk–shell microspheres is attractive because it exhibits excellent structural stability during lithiation; monodispersed crumpled yolk–shell spherical precursors of LiNi_0.8Co_0.15Al_0.05O₂ were obtained via a general and simple supersonic atomization method. After mixing with LiNO₃, this cathode material showed a high discharge capacity of about 225.9 mA h g⁻¹ and a good cycle performance at 0.2 C, which is higher than previously reported studies.

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Fabrication and characteristics of high-capacity LiNi_0.8Co_0.15Al_0.05O₂ with monodisperse yolk–shell spherical precursors by a facile method

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Fabrication and characteristics of high-capacity LiNi_0.8Co_0.15Al_0.05O₂ with monodisperse yolk–shell spherical precursors by a facile method

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