Fast preparation of Na0.44MnO2 nanorods via a high NaOH concentration hydrothermal soft chemical reaction and their lithium storage properties

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• 作者：Cai Liu ; Jiangang Li ; Pengxiang Zhao ; Wenli Guo…
• 关键词：Na0.44MnO2 ; Nanorods ; Cathode ; Hydrothermal Soft Chemical Process ; Lithium ; ion batteries ; Energy storage
• 刊名：Journal of Nanoparticle Research
• 出版年：2015
• 出版时间：March 2015
• 年：2015
• 卷：17
• 期：3
• 全文大小：1,367 KB
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• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Nanotechnology
  Inorganic Chemistry
  Characterization and Evaluation Materials
  Physical Chemistry
  Applied Optics, Optoelectronics and Optical Devices
  
• 出版者：Springer Netherlands
• ISSN：1572-896X

文摘

This paper describes a high NaOH concentration hydrothermal soft chemical reaction to prepare Na0.44MnO2 nanorods. In this process, Na-birnessite precursors and concentrated NaOH solution are introduced into the hydrothermal reaction. As a result, the hydrothermal time can be significantly shortened from 96 to 24?h, the hydrothermal temperature can be reduced from 205 to 180?°C and the yield of Na0.44MnO2 can be increased from about 0.6 to about 2.4?g/(mL.day), respectively. Furthermore, the obtained Na0.44MnO2 nanorods with one-dimensional tunnel structures exhibit favorable electrochemical lithium storage properties, which make them promising for the cathode materials of lithium-ion batteries.