Citation: Jin Long WANG, Zi Cheng LI, Bin XIONG, Lei XIE, Liang Jie YUAN, Ju Tang SUN. Synthesis and Electrochemical Property of Calcium Doped LiNi_0.8Co_0.2O₂ Solid Solution[J]. Chinese Chemical Letters, ;2003, 14(12): 1303-1305. shu

Synthesis and Electrochemical Property of Calcium Doped LiNi_0.8Co_0.2O₂ Solid Solution

College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072

Received Date: 16 December 2002

Fund Project: This work was supported by the National Natural Science Foundation of China (No. 29971024).

A divalent ion doped LiNi_0.8Co_0.2O₂ solid solution, LiNi_0.79Co_0.20Ca_0.01O₂, was synthesized in air at 720℃. The structure and electrochemical property as cathode material of lithium ion batteries were measured by XRD and charge-discharge system. The solid solution showed high capacity and good cycle-ability. The second discharged capacity reached 190 mAh·g^-1 at the current density of 100 mA·g^-1.
- Lithium ion battery,
- calcium,
- cobalt,
- lithium nickel oxide,
- solid solution
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