Bottom-Up Synthesis of Advanced Carbonaceous Anode Materials Containing Sulfur for Na-Ion Batteries

Jonathan Tzadikov, Natasha Ronith Levy, Liel Abisdris, Reut Cohen, Michal Weitman, Ilia Kaminker, Amir Goldbourt, Yair Ein-Eli, Menny Shalom

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The fabrication of sulfur-containing carbonaceous anode materials (CS) that show exceptional activity as anode material in Na-ions batteries is reported. To do so, a general and straightforward bottom-up synthesis of CS materials with precise control over the sulfur content and functionality is introduced. The new synthetic path combined with a detailed structural analysis and electrochemical studies provide correlations between i) the sulfur content and chemical species and ii) the structural, electronic, and electrochemical performance of the associated materials. As a result, the new CS substances demonstrate excellent activity as Na-ion battery anode materials, reaching capacity values above 500 mAh g−1 at a current density of 0.1 A g−1, as well as high reversible sodium storage capabilities and excellent cycling durability. The results reveal the underlying working principles of carbonaceous materials, alongside the storage mechanism of the Na+ ions in these advanced sodium-ion battery anode materials and provide a new avenue for their practical realization.

Original languageEnglish
Article number2000592
JournalAdvanced Functional Materials
Issue number19
StatePublished - 1 May 2020

Bibliographical note

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© 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim


  • anode materials
  • carbon–sulfur materials
  • sodium ion batteries
  • synthesis design


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