Polyetheramide Templated Synthesis of Monodisperse Mn3O4 Nanoparticles with Controlled Size and Study of the Electrochemical Properties

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• 作者：Lin He ; Geng Zhang ; Yuanzhu Dong ; Zhenwei Zhang ; Shihan Xue…
• 关键词：Mn3O4 ; Templating ; Pebax2533 ; Solvothermal synthesis ; Supercapacitor
• 刊名：Nano-Micro Letters
• 出版年：2014
• 出版时间：January 2014
• 年：2014
• 卷：6
• 期：1
• 页码：38-45
• 全文大小：365KB
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• 作者单位：Lin He (15)
  Geng Zhang (15)
  Yuanzhu Dong (15)
  Zhenwei Zhang (25)
  Shihan Xue (15)
  Xingmao Jiang (15)
  
  15. Changzhou University, Changzhou, 213164, China
  25. Nanjing University of Technology, Nanjing, 210009, China
  
• 刊物类别：Nanotechnology and Microengineering; Nanotechnology; Nanoscale Science and Technology;
• 刊物主题：Nanotechnology and Microengineering; Nanotechnology; Nanoscale Science and Technology;
• 出版者：Springer Berlin Heidelberg
• ISSN：2150-5551

文摘

Monodisperse Mn₃O₄ nanoparticles were prepared solvothermally starting from manganese acetate by using polyether amide block copolymers (Pebax2533) as a template in isopropanol. The diameter of the nanoparticles in the range of 8.7 nm?1.5 nm was decreased with increase of Pebax2533 concentration. The electrochemical properties and application in supercapacitor of Mn₃O₄ nanoparticles were further studied. The results showed that smaller nanoparticles had a larger capacitance. The higher capacitance of 217.5 F/g at a current density of 0.5 A/g was obtained on 8.7 nm Mn₃O₄ nanoparticles. The specific capacitance retention of 82% was maintained after 500 times of continuous charge-discharge cycles. Keywords Mn₃O₄ Templating Pebax2533 Solvothermal synthesis Supercapacitor