Fe3O4/carbon nanocomposite: Investigation of capacitive & magnetic properties for supercapacitor applications
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- 作者：Neriman Sinana ; sinanneriman@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Ece Unurb ; eceunur@yahoo.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：Magnetic nanocomposite ; Biomass ; Hydrothermal treatment ; MgO templating ; Supercapacitor
- 刊名：Materials Chemistry & Physics
- 出版年：2016
- 出版时间：1 November 2016
- 年：2016
- 卷：183
- 期：Complete
- 页码：571-579
- 全文大小：2503 K
文摘
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Fe3O4 (magnetite) particles with ∼10 nm dia. were prepared by a facile chemical co-precipitation.
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Fe3O4 nanospheres are superparamagnetic at 298K with high saturation magnetization of 64 emu g−1.
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Porous Fe3O4/C nanocomposite was also prepared by a green HTC method combined with MgO templating.
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Electrochemical properties of Fe3O4/C were studied in 1 M Na2SO4 (between −1.2 and 0 V vs. Ag/AgCl).
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Nanocomposite electrode showed high energy density of 27.2 Wh kg−1 at 1 A g−1.