Journal
CERAMICS INTERNATIONAL
Volume 47, Issue 18, Pages 25680-25688Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2021.05.294
Keywords
Lithium ion battery; Ni-rich cathode materials; Long cycle life; Mono-dispersion; Oxalate precursor
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Funding
- National Natural Science Foundation of China [51772333, 51874358]
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Cubic mono-dispersion LiNi0.8Co0.1Mn0.1O2 micrometer particles synthesized by co-precipitation method exhibit enhanced structural stability and cycling performance compared to conventional spherical and irregular mono-dispersion LiNi0.8Co0.1Mn0.1O2.
LiNi0.8Co0.1Mn0.1O2 cathode material for lithium-ion battery exhibits high capacity, but it suffers from interfacial side reactions and structural/Ni0.8Co0.1Mn0.1)C2O4 center dot 2H(2)O particles with micron size are synthesized by co-precipitation method. The oxalic precursor is sintered with lithium hydroxide to obtain cubic mono-dispersion LiNi0.8Co0.1Mn0.1O2 micrometer particles. Structural stability, cycling performance, rate capability and compacting density of the cubic mono-dispersion material are investigated. Conventional spherical and irregular mono-dispersion LiNi0.8Co0.1Mn0.1O2 are also prepared for comparison. The results reveal that the cubic mono-dispersion LiNi0.8Co0.1Mn0.1O2 dramatically enhances the structural stability and cycling performance at a little cost of capacity and rate capability.
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