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电沉积制备掺铈水钠锰矿及其电化学性能

Investigation on the electrochemical performance of electrodeposited Ce-doped birnessite

中文摘要英文摘要

MnSO4(0.3mol/L)与Ce2(SO4)3(0.015mol/L)混合溶液体系电沉积制备Ce掺杂的水钠锰矿,循环伏安法考察其最低沉积电位为0.62 V;采用X射线衍射仪(XRD)、扫描电镜(SEM)和能谱仪(EDS)表征了Birnessite晶体结构,微观形貌和元素组成。并用Birnessite作为正极材料进行电池性能测试,2.0 V电压下产物以0.2 C首次放电比容量为193 mAh/g。

e doped birnessite was electrodeposited from the mixed solution of MnSO4 (0.3 mol/L) and Ce2(SO4)3 (0.015 mol/L) . The onset oxidation potentials of manganese oxide was approached 0.62 V by cyclic voltammetry. X-ray diffraction, scanning electron microscopy and energy dispersive spectrometer (EDS) were used to characterize the crystal structures, micromorphologies and element composition of birnessite. The galvanostatic discharge/charge curves indicate that the maximum discharge capacity was 193 mAh/g at the 0.2 C rate using products electrodesposited at 2.0 V.

吕黠物、刘凡、夏磊、赵云虎、邱国红、冯雄汉

电工基础理论电工材料电化学工业

电解循环伏安法铈掺杂水钠锰矿Li离子电池正极材料

electrodepositioncyclic voltammetryCe-doped birnessitepositive electrode materials for lithium-ion battery

吕黠物,刘凡,夏磊,赵云虎,邱国红,冯雄汉.电沉积制备掺铈水钠锰矿及其电化学性能[EB/OL].(2011-01-07)[2025-08-16].http://www.paper.edu.cn/releasepaper/content/201101-327.点此复制

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