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Citation: LI Juan, GONG Liang-Yu, XIA Xi. Synthesis of Nanophaseα-PbO by Solid State Reaction and Its Influence on MnO₂ Electrode[J]. Chinese Journal of Applied Chemistry, ;2001, 18(4): 264-268. shu

Synthesis of Nanophaseα-PbO by Solid State Reaction and Its Influence on MnO₂ Electrode

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

Received Date: 22 August 2000
Available Online: 15 December 2000
Fund Project: 国家自然科学基金资助项目(29963002) (29963002)

Nanosize T-PbO particles were prepared by one step solid state reaction of Pb(Ⅱ) compounds with NaOH at room temperature and characterized by XRD and TEM techniques. The formation mechanism of nanophase materials was discussed. The T-PbO modified MnO₂ electrodes were fabricated and their electrochemical properties were studied by using constant current deep discharging tests. The results indicate that the optimal portions of T-PbO additives were 1.25%~5.00%. The discharge capacity of the nanophase T-PbO modified MnO₂ electrodes were in average 50% higher than that of International Common Sample No.1 electrolytic manganese dioxide and 20% higher than that of normal T-PbO particle modified MnO₂ electrodes in middle load discharging. The most high discharge capacity was observed for modified MnO₂ electrode at heavy load discharging.
- nanophase T-PbO,
- solid state reaction,
- MnO₂ electrodes,
- discharge capacity
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Synthesis of Nanophaseα-PbO by Solid State Reaction and Its Influence on MnO₂ Electrode