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  • 标题:Ni(OH)2-decorated nitrogen doped MWCNT nanosheets as an efficient electrode for high performance supercapacitors
  • 本地全文:下载
  • 作者:Sivalingam Ramesh ; K. Karuppasamy ; Hemraj M. Yadav
  • 期刊名称:Scientific Reports
  • 电子版ISSN:2045-2322
  • 出版年度:2019
  • 卷号:9
  • 期号:1
  • 页码:1-10
  • DOI:10.1038/s41598-019-42281-z
  • 出版社:Springer Nature
  • 摘要:In this study, nickel hydroxide nanoparticles (NPs) decorated with nitrogen doped multiwalled carbon nanotubes (N-MWCNT) hybrid composite was synthesized by thermal reduction process in the presence of cetyl ammonium bromide (CTAB) and urea. The as-synthesized Ni(OH) 2 @N-MWCNT hybrid composite was characterized by FTIR, Raman, XRD, BET, BJH and FE-TEM analyses. These prepared porous carbon hybrid composite materials possessed high specific surface area and sheet like morphology useful for active electrode materials. The maximum specific capacitance of Ni(OH) 2 @N-MWCNT hybrid nanocomposite in the two electrode system showed 350 Fg -1 at 0.5 A/g,energy density ~43.75 Wkg -1 and corresponds to power density 1500 W kg -1 with excellent capacity retention after 5000 cycles. The results suggest that the prepared two-dimensional hybrid composite is a promising electrode material for electrochemical energy storage applications.
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