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Volume 18 Issue 2
Apr.  2007
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Yang Chao (杨超), Liu Zhuoqin (刘卓钦), Tian Xike* (田熙科), Pi Zhenbang (皮振邦), Wang Shengping (王圣平). The Composite Effect of Nanometer MnO2 Mixed with the Electrolytic MnO2. Journal of Earth Science, 2007, 18(2).
Citation: Yang Chao (杨超), Liu Zhuoqin (刘卓钦), Tian Xike* (田熙科), Pi Zhenbang (皮振邦), Wang Shengping (王圣平). The Composite Effect of Nanometer MnO2 Mixed with the Electrolytic MnO2. Journal of Earth Science, 2007, 18(2).

The Composite Effect of Nanometer MnO2 Mixed with the Electrolytic MnO2

  • Received Date: 2018-07-15
  • Rev Recd Date: 2018-07-15
  • Publish Date: 2018-07-15
  • ThenanometerMnO2hasoutstandingelectrochemicalperformancetheoretically,butitisnotsuitableforactualutilization,whichmayresultincapacitydecreaseandresourcewaste.Inthisstudywehaveutilizedthecharacterizationsofthenanometermaterial,synthesizedatypeofnanometerα-MnO2throughKMnO4andKNO3withhydrothermalmethod,andmixedtheproductsintomicronelectrolyticmanganesedioxide(EMD)toenhancetheelectrochemicalperformanceoftheelectrode.Thecyclicvoltammogramandgalvanostaticaldischargemeasurementsofthesampleswereinvestigated.Itisfoundthatthe50%nanometerMnO2mixedelectrodehasthebestelectrochemicalperformance.TheelectrochemicalperformanceimprovementmechanismofthesamplenanometerMnO2mixedintomicronEMDwasdiscussed.Withtheexistenceofelectrolyte,thenanometerMnO2particlesfilledintotheinterspacesofthemicronEMDparticles,themassandchargetransferconditionsoftheelectrodereactionwereimproved,andtheelectrodepolarizationwasdiminished.
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通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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The Composite Effect of Nanometer MnO2 Mixed with the Electrolytic MnO2

Abstract: ThenanometerMnO2hasoutstandingelectrochemicalperformancetheoretically,butitisnotsuitableforactualutilization,whichmayresultincapacitydecreaseandresourcewaste.Inthisstudywehaveutilizedthecharacterizationsofthenanometermaterial,synthesizedatypeofnanometerα-MnO2throughKMnO4andKNO3withhydrothermalmethod,andmixedtheproductsintomicronelectrolyticmanganesedioxide(EMD)toenhancetheelectrochemicalperformanceoftheelectrode.Thecyclicvoltammogramandgalvanostaticaldischargemeasurementsofthesampleswereinvestigated.Itisfoundthatthe50%nanometerMnO2mixedelectrodehasthebestelectrochemicalperformance.TheelectrochemicalperformanceimprovementmechanismofthesamplenanometerMnO2mixedintomicronEMDwasdiscussed.Withtheexistenceofelectrolyte,thenanometerMnO2particlesfilledintotheinterspacesofthemicronEMDparticles,themassandchargetransferconditionsoftheelectrodereactionwereimproved,andtheelectrodepolarizationwasdiminished.

Yang Chao (杨超), Liu Zhuoqin (刘卓钦), Tian Xike* (田熙科), Pi Zhenbang (皮振邦), Wang Shengping (王圣平). The Composite Effect of Nanometer MnO2 Mixed with the Electrolytic MnO2. Journal of Earth Science, 2007, 18(2).
Citation: Yang Chao (杨超), Liu Zhuoqin (刘卓钦), Tian Xike* (田熙科), Pi Zhenbang (皮振邦), Wang Shengping (王圣平). The Composite Effect of Nanometer MnO2 Mixed with the Electrolytic MnO2. Journal of Earth Science, 2007, 18(2).

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