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   3d hierarchical nanosheet ni–fe/cfp as a novel cathode for lithium–sulfur batteries  
   
نویسنده fazaeli razieh ,yan longlong ,li yuning
منبع journal of the iranian chemical society - 2020 - دوره : 17 - شماره : 3 - صفحه:545 -553
چکیده    One effective strategy to overcome the capacity fading effects in cathode materials for lithium–sulfur batteries (lsbs) is to envelop elemental sulfur in porous and conductive hosts. in this way, the host provides efficient physical and/or chemical effects to trap the dissolved polysulfides and enhance the conductivity of the sulfur cathode. nickel–iron on carbon fiber paper (ni–fe/cp) with a unique hierarchical structure was synthesized by hydrothermal method at 90 °c and used as an efficient host and conductivity enhancer for sulfur cathodes. the electrode with ni–fe/cp current collector gives an initial specific capacity of 1041 ma h g−1, which is higher than that of the cp current collector without modification (901 ma h g−1). the results prove that the addition of ni–fe composites into cp contributes to the improvement of conductivity of the sulfur cathode and the specific capacity of lsb.
کلیدواژه carbon paper (cp) ,lithium–sulfur battery (lsb) ,hydrothermal synthesis
آدرس islamic azad university, shahreza branch, department of chemistry, iran, sun yat-sen university, key laboratory of low-carbon chemistry and energy, china, 200 university ave w, waterloo institute for nanotechnology (win), department of chemical engineering, canada
 
     
   
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