Solution‐Based Processing of Graphene–Li 2 S Composite Cathodes for Lithium‐Ion and Lithium–Sulfur Batteries | Zendy

Wu Feixiang | Zendy; Lee Jung Tae | Zendy; Magasinski Alexandre | Zendy; Kim Hyea | Zendy; Yushin Gleb | Zendy

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Solution‐Based Processing of Graphene–Li 2 S Composite Cathodes for Lithium‐Ion and Lithium–Sulfur Batteries

Author(s) -

Wu Feixiang,

Lee Jung Tae,

Magasinski Alexandre,

Kim Hyea,

Yushin Gleb

Publication year - 2014

Publication title -

particle and particle systems characterization

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.877

H-Index - 56

eISSN - 1521-4117

pISSN - 0934-0866

DOI - 10.1002/ppsc.201300358

Subject(s) - polysulfide , graphene , cathode , materials science , electrolyte , dissolution , composite number , lithium (medication) , chemical engineering , conductivity , sulfur , inorganic chemistry , nanotechnology , composite material , chemistry , electrode , metallurgy , medicine , endocrinology , engineering

Nanostructured Li 2 S and graphene–Li 2 S composite cathodes are prepared via a versatile solution‐based method. Graphene improves the cathode conductivity, rate, and cycling performance of Li 2 S. Higher electrolyte molarity enhances cycle stability of the cathodes owing to reduced polysulfide dissolution and maintaining better mechanical properties of a PVDF binder.

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