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Title: A high performance lithium–sulfur battery enabled by a fish-scale porous carbon/sulfur composite and symmetric fluorinated diethoxyethane electrolyte

A high performance lithium–sulfur (Li–S) battery comprising a symmetric fluorinated diethoxyethane electrolyte coupled with a fish-scale porous carbon/S composite electrode was demonstrated. 1,2-Bis(1,1,2,2-tetrafluoroethoxy)ethane (TFEE) was first studied as a new electrolyte solvent for Li–S chemistry. When co-mixed with 1,3-dioxolane (DOL), the DOL/TFEE electrolyte suppressed the polysulfide dissolution and shuttling reaction. Lastly, when coupled with a fish-scale porous carbon/S composite electrode, the Li–S cell exhibited a significantly high capacity retention of 99.5% per cycle for 100 cycles, which is far superior to the reported numerous systems.
Authors:
 [1] ;  [2] ;  [2] ; ORCiD logo [3] ;  [4] ; ORCiD logo [5] ; ORCiD logo [6] ; ORCiD logo [2]
  1. Argonne National Lab. (ANL), Argonne, IL (United States); Beijing Univ. of Chemical Technology, Beijing (China)
  2. Argonne National Lab. (ANL), Argonne, IL (United States)
  3. Mercedes-Benz Research & Development North America, Inc., Redford, MI (United States)
  4. Daimler AG (Mercedes-Benz Cars), Boeblingen (Germany)
  5. Oregon State Univ., Corvallis, OR (United States)
  6. Beijing Univ. of Chemical Technology, Beijing (China)
Publication Date:
Grant/Contract Number:
AC02-06CH11357
Type:
Accepted Manuscript
Journal Name:
Journal of Materials Chemistry. A
Additional Journal Information:
Journal Volume: 5; Journal Issue: 14; Journal ID: ISSN 2050-7488
Publisher:
Royal Society of Chemistry
Research Org:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org:
Daimler AG - Mercedes-Benz; Beijing University of Chemical Technology (BUCT); USDOE
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE; 36 MATERIALS SCIENCE; 1,2-bis(1,1,2,2-tetrafluoroethoxy) ethane; fish-scale porous carbon/sulfur composite; fluorinated electrolyte; lithium-sulfur battery; suppression of lithium polysulfide dissolution
OSTI Identifier:
1367284