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The discharge properties of Na/Ni3S2 cell at ambient temperature

Kim, J. S. et al.

Journal of power sources. VOL 178; NUMB 2, ; 2008, 852-856 -- Elsevier Science B.V., Amsterdam. (pages 852-856) -- 2008

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  • Title:
    The discharge properties of Na/Ni3S2 cell at ambient temperature
  • Author: Kim, J. S.;
    Ahn, H. J.;
    Ryu, H. S.;
    Kim, D. J.;
    Cho, G. B.;
    Kim, K. W.;
    Nam, T. H.;
    Ahn, J. H.
  • Found In: Journal of power sources. VOL 178; NUMB 2, ; 2008, 852-856
  • Journal Title: Journal of power sources.
  • Subjects: Electrical and Electronic Engineering; Mechanical Engineering; Civil Engineering; LCC: TJ163; Dewey: 621.38
  • Publication Details: Elsevier Science B.V., Amsterdam.
  • Language: English
  • Abstract: The discharge properties of a Na/Ni3S2 cell using 1M NaCF3SO3 in tetra(ethylene glycol)dimethyl ether liquid electrolyte were investigated at room temperature. The products were characterized by X-ray diffraction, scanning electron microscopy and energy dispersive spectroscopy. Electrochemical properties of Na/Ni3S2 cells were also presented by cyclic voltammetry and the galvanostatic current method. Na/Ni3S2 cells have an initial discharge capacity of 420mAhg-1 with a plateau potential at 0.94V versus Na/Na+. After the first discharge, Ni3S2 and Na react at room temperature and then form sodium sulfide (Na2S) and nickel. Sodium ion can be partially deintercalated from Na2S charge reaction. The discharge process can be explained as follows: Ni3S2+4Na3Ni+2Na2S.
  • Identifier: Journal ISSN: 0378-7753
  • Publication Date: 2008
  • Physical Description: Electronic
  • Shelfmark(s): 5041.400000
  • UIN: ETOCRN224960242

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