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Citation: Hua Shounan, Jiang Nengzuo. VANADIUM BRONZE RICH IN LITHIUM AS POSITIVE MATERIAL FOR SECONDARY LITHIUM BATTERY[J]. Chinese Journal of Applied Chemistry, ;1992, 9(5): 80-83. shu

VANADIUM BRONZE RICH IN LITHIUM AS POSITIVE MATERIAL FOR SECONDARY LITHIUM BATTERY

Hua Shounan ^, ,
Jiang Nengzuo

1.
Department of Chemistry, Shandong University, Jinan 250100

Corresponding author: Hua Shounan,
Received Date: 6 August 1991
Available Online: 3 May 1992
Fund Project:

Vanadium bronze rich in lithium(Li₆V₅O₁₅)was prepared from Li₂CO₃ and V₂O₅ at 680℃. The charge-discharge behaviour of the bronze electrode was investigated in LiAsF₆-PC electrolyte at various current densities.Li/bronze cell showed a high specific capacity, and more than 340Ah/kg was obtained at 0.2mA/cm² and 1.0V cut-off voltage. The X-ray diffraction results showed that the structure of the new bronze was stable for lithium insertion.AC impedance data of Li/bronze cell showed that the cathodic process was mainly controlled by diffusion of Li in the bronze.
- vanadium bronze,
- secondary lithium battery,
- lithium insertion reaction,
- AC impedance
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