Journal
RUSSIAN CHEMICAL BULLETIN
Volume 68, Issue 2, Pages 301-312Publisher
SPRINGER
DOI: 10.1007/s11172-019-2386-6
Keywords
Li-rich oxides cathode materials; Li-ion batteries; Pechini process; electron microdiffraction; microstructure
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Funding
- Russian Science Foundation [17-13-01424]
- Russian Science Foundation [17-13-01424] Funding Source: Russian Science Foundation
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Li-rich layered oxides Li1.2Mn0.54Ni0.13Co0.13O2 were synthesized by modified Pechini method using various compositions of the reaction mixture. Difference in the electrochemical performance of cathodes on their basis is explained by different morphology and microstructure of the materials. The porous hierarchical structure favors a better electrochemical performance. The presence of defects, including crystal twins, in the samples is considered to be a major reason that leads to their poor cyclability and rate capability.
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