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Title: Solution-processable glass LiI-Li4SnS4 superionic conductors for all-solid-state Li-ion batteries

The new, highly conductive (4.1 × 10–4 S cm–1 at 30 °C), highly deformable, and dry-air-stable glass 0.4LiI-0.6Li4SnS4 is prepared using a homogeneous methanol solution. Furthermore, the solution process enables the wetting of any exposed surface of the active materials with highly conductive solidified electrolytes (0.4LiI-0.6Li4SnS4), resulting in considerable improvements in electrochemical performances of these electrodes over conventional mixture electrodes.
Authors:
;  [1] ;  [1] ;  [1] ;  [2] ;  [1] ;  [2] ;  [3] ;  [4] ;  [1]
  1. Ulsan National Institute of Science and Technology (UNIST), Ulsan (South Korea)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States)
  3. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  4. Seoul National Univ., Seoul (South Korea)
Publication Date:
OSTI Identifier:
1235861
Report Number(s):
BNL--111621-2015-JA
Journal ID: ISSN 0935-9648
Grant/Contract Number:
SC00112704
Type:
Accepted Manuscript
Journal Name:
Advanced Materials
Additional Journal Information:
Journal Volume: 8; Journal Issue: 4; Journal ID: ISSN 0935-9648
Publisher:
Wiley
Research Org:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE solid state electrolyte; lithium ion battery; Center for Functional Nanomaterials; batteries; solid electrolytes; electrodes; composites; nanostructures