Excellent electrochemical performances of high-voltage LiNi0.5Mn1.5O4 hollow microspheres synthesized by a static co-precipitation method

[Display omitted] •The LiNi0.5Mn1.5O4 hollow microsphere is obtained by static co-precipitation method.•The LiNi0.5Mn1.5O4 is a hollow microsphere with diameter of 4.0–5.0 μm.•The novel hollow microsphere is porous, uniform, and highly conductive.•The novel hollow microsphere exhibits a simple cubic...

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Bibliographic Details
Published in:Materials letters 2019-08, Vol.248, p.97-100
Main Authors: Ren, Xiaoli, Wang, Yirong, Xiao, Qizhen, Lei, Gangtie, Li, Zhaohui
Format: Article
Language:English
Subjects:
Coprecipitation
Crystal structure
Electric potential
Electrochemical analysis
Flux density
High voltages
Hollow microspheres
LiNi0.5Mn1.5O4
Lithium
Lithium-ion batteries
Materials science
Microspheres
Particles
Porous materials
Rechargeable batteries
Synthesis
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Summary:[Display omitted] •The LiNi0.5Mn1.5O4 hollow microsphere is obtained by static co-precipitation method.•The LiNi0.5Mn1.5O4 is a hollow microsphere with diameter of 4.0–5.0 μm.•The novel hollow microsphere is porous, uniform, and highly conductive.•The novel hollow microsphere exhibits a simple cubic structure.•The novel LiNi0.5Mn1.5O4 material has excellent electrochemical performances. High-voltage LiNi0.5Mn1.5O4 hollow microspheres are synthesized through a static co-precipitation method. The LiNi0.5Mn1.5O4 microspheres are composed of the spherical micron-sized particles with hollow core, and it has a cubic spinel structure with a space group of Fd3m. Electrochemical results demonstrate that the prepared LiNi0.5Mn1.5O4 exhibit excellent cycle stability and rate capability. The LiNi0.5Mn1.5O4 materials with hollow microsphere structure and excellent electrochemical properties are expected to be used in high energy density lithium-ion batteries.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2019.03.107