Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 5, Issue 22, Pages 12185-12189Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am404250k
Keywords
LiCoMnO4; lithium-ion batteries; cathodes; high voltage; doping
Funding
- KST Battery Material Company in China
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LiCoMnO4 with nanosized truncated octahedral structure was prepared via a modified sol gel route. The single-crystalline subunits grew completely without serious agglomeration. The growth mechanism was discussed in detail. The sample was tested as cathode materials for S V Li-ion batteries. Ni doping was also investigated to decrease the content of Mn3+ ions and the Mn dissolution, and then the decomposition of electrolyte was inhibited on the cathode surface. LiCo0.9Ni0.1MnO4 exhibited enhanced cyclic stability compared with the pristine LiCoMnO4.
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