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Title: An Iodide-Based Li 7 P 2 S 8 I Superionic Conductor

Journal Article · · Journal of the American Chemical Society
DOI:https://doi.org/10.1021/ja508723m· OSTI ID:1185568
 [1];  [1];  [2];  [2];  [1];  [3];  [3];  [2];  [1]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. Hunter College of the City Univ. of New York, NY (United States)
  3. NIST Center for Neutron Research, Gaithersburg, MD (United States); Univ. of Maryland, College Park, MD (United States)

Stability from Instability: A Li7P2S8I solid state Li-ion conductor derived from -Li3PS4 and LiI demonstrates exceptional electrochemical stability. The oxidation instability of I is subverted nullified via its incorporation into the coordinated structure. The inclusion of I also creates stability with metallic Li anode while simultaneously improving the interfacial kinetics. Low temperature membrane processability enables facile fabrication of dense membranes, making it suitable for industrial adoption.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences (CNMS)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
DOE Contract Number:
AC05-00OR22725; SC0005029
OSTI ID:
1185568
Journal Information:
Journal of the American Chemical Society, Vol. 137, Issue 4; ISSN 0002-7863
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English

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