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Citation: Xia Xi, Sun Weiwei. Preparation and Electrochemical Study of Ba and Bi Doped λ-MnO₂ in Alkaline Solution[J]. Chinese Journal of Applied Chemistry, ;1999, 16(3): 62-66. shu

Preparation and Electrochemical Study of Ba and Bi Doped λ-MnO₂ in Alkaline Solution

Xia Xi ,
Sun Weiwei

1.
Institute of Applied Chemistry, Xinjiang University, Urumqi 830046

Received Date: 9 November 1998
Available Online: 30 March 1999
Fund Project: 国家自然科学基金资助项目(29563007) (29563007)

Barium and bismuth doped λ-MnO₂ were prepared and their electrochemical performances in 9 mol/L NaOH solution were investigated by XRD, constant current charge/discharge, cyclic voltammtry techniques. The results show that the Ba-doped λ-MnO₂ has a better discharge and rechargeability than the undoped λ-MnO₂ and the Bi-doped λ-MnO₂ also has a greater discharge capacity than the undoped one.
- Ba doped λ-MnO₂,
- Bi doped λ-MnO₂,
- electrochemical performance,
- alkaline solution
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Preparation and Electrochemical Study of Ba and Bi Doped λ-MnO2 in Alkaline Solution

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Preparation and Electrochemical Study of Ba and Bi Doped λ-MnO₂ in Alkaline Solution