Journal of Materials Science

, Volume 53, Issue 8, pp 6033–6041 | Cite as

Electrochemical properties of Mg3MnNi2-x% polymethyl methacrylate-multiwalled carbon nanotubes (PMMA-MWCNTs) (x = 25, 50, 75, 100)



In this work, we report a novel core–shell-like structure of uniform coating PMMA-MWCNTs composite film on the surface of the Mg3MnNi2 alloy particles prepared by hydriding combustion synthesis. The structures and electrochemical performances of Mg3MnNi2 alloy with different PMMA-MWCNTs coating content have been studied in detail. Results show that the PMMA-MWCNTs composite film has no effect on the phase composition of Mg3MnNi2 alloy and the composite film has been successfully coated on the surface of Mg3MnNi2 alloy with a thickness of about 30 nm. In addition, MWCNTs are dispersed in the PMMA layer successfully, improving the electrochemical catalytic activity and working as a conductive path and a hydrogen diffusion channel as well. It is found that the coating of proper amount of PMMA-MWCNTs film can enhance obviously the cycling stability of the alloy electrode. The Mg3MnNi2-75% PMMA-MWCNTs sample exhibits the best overall electrochemical properties, with the best cycling stability, the optimal high-rate dischargeability, the maximum exchange current density and the minimum charge-transfer resistance (Rct).



This work was supported by the National Natural Science Foundation of China (51471087, 51571112), Natural Science Foundation of the Jiangsu Higher Education Institutions of China (13KJA430003, BK20151405, BK20161004) and the Priority Academic Program Development (PAPD) of Jiangsu Higher Education Institutions.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Qiuxia Chen
    • 1
    • 2
  • Yunfeng Zhu
    • 1
    • 2
  • Yao Zhang
    • 2
    • 3
  • Yana Liu
    • 1
    • 2
  • Jiguang Zhang
    • 1
    • 2
  • Zhibing Liu
    • 1
    • 2
  • Wei Chen
    • 1
    • 2
  • Liquan Li
    • 1
    • 2
  1. 1.College of Materials Science and EngineeringNanjing Tech UniversityNanjingPeople’s Republic of China
  2. 2.Jiangsu Collaborative Innovation Center for Advanced Inorganic Function CompositesNanjing Tech UniversityNanjingPeople’s Republic of China
  3. 3.School of Materials Science and EngineeringSoutheast UniversityNanjingPeople’s Republic of China

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