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Synthesis of nanosize MnO2 and its performence
Sol sol-gel method and solid phase redox reaction were respectively applied in preparation of Nanos-ize MnO2 powders. The experiments showed that only Mn2O3 could be obtained from ignition of Mn( Ⅱ ) in themuffle furnace in air, and Mn2O3 had to be disproportionated in acids to gain MnO2. The analysis of XRD andTEM technique revealed that the diameters of nanosize MnO2 obtained by sol-gel method was 35 ~45 nm andthe x in MnOx was 1.9; the particle size of MnO2 produced from solid phase redox reaction was 10 ~ 20 nm andthe x in MnOx equaled 1.94. The test results have proved that the discharge property of alkaline-manganese bat-tery could be improved by nanosize MnO2.
作 者: 顾大明 魏杰 作者单位: Dept. of Applied Chemistry, Harbin Institute of Technology, Harbin 150090 ,China 刊 名: 哈尔滨工业大学学报(英文版) EI 英文刊名: JOURNAL OF HARBIN INSTITUTE OF TECHNOLOGY(NEW SERIES) 年,卷(期): 2003 10(2) 分类号: X701 关键词: solid phase synthesis sol-gel nanosize MnO2 discharge properties【Synthesis of nanosize MnO2 and its p】相关文章:
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