A uniform and high crystalline Cu0.04V2O5 powder was prepared by precipitation method. The effects of Cu doping on the electrochemical properties of crystalline V2O5 were investigated by means of galvanostatic charge-discharge cycling, cyclic voltammetry and electrochemical impedance spectroscopy. The results showed that slight Cu doping significantly improved the electrochemical properties of V2O5. Cu-doped Cu0.04V2O5 exhibited promising electrochemical performance, with a reversible energy density of 450 Wh/kg and a power density of 275 W/kg.
Bibliographical noteFunding Information:
This work was supported by the Ministry of Education and Human Resources Development, the Ministry of Commerce, Industry and Energy and the Ministry of Labor through the fostering project of the Lab of Excellency and by the Ministry of Information and Communication of Korea (Support Project of University Information Technology Research Center supervised by KIPA). Partial work was supported by the special funds for major state basic research project (973) of China under the Grant 2002CB211802.
All Science Journal Classification (ASJC) codes
- Mechanics of Materials
- Mechanical Engineering
- Metals and Alloys
- Materials Chemistry