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Title: Design and synthesis of the superionic conductor Na 10SnP 2S 12

Abstract

Sodium-ion batteries are emerging as candidates for large-scale energy storage due to their low cost and the wide variety of cathode materials available. As battery size and adoption in critical applications increases, safety concerns are resurfacing due to the inherent flammability of organic electrolytes currently in use in both lithium and sodium battery chemistries. Development of solid-state batteries with ionic electrolytes eliminates this concern, while also allowing novel device architectures and potentially improving cycle life. Here we report the computation-assisted discovery and synthesis of a high-performance solid-state electrolyte material: Na 10SnP 2S 12, with room temperature ionic conductivity of 0.4 mS cm -1 rivalling the conductivity of the best sodium sulfide solid electrolytes to date. We also computationally investigate the variants of this compound where tin is substituted by germanium or silicon and find that the latter may achieve even higher conductivity.

Authors:
 [1];  [2];  [3];  [1];  [4]; ORCiD logo [5];  [2];  [2];  [6]
  1. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
  2. Samsung R&D Institute Japan, Osaka (Japan)
  3. Samsung Advanced Inst. of Technology, Cambridge, MA (United States)
  4. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  5. Univ. of California, San Diego, La Jolla, CA (United States)
  6. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Univ. of California, Berkeley, CA (United States)
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1559137
Grant/Contract Number:  
AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
Nature Communications
Additional Journal Information:
Journal Volume: 7; Journal Issue: 1; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 25 ENERGY STORAGE

Citation Formats

Richards, William D., Tsujimura, Tomoyuki, Miara, Lincoln J., Wang, Yan, Kim, Jae Chul, Ong, Shyue Ping, Uechi, Ichiro, Suzuki, Naoki, and Ceder, Gerbrand. Design and synthesis of the superionic conductor Na10SnP2S12. United States: N. p., 2016. Web. doi:10.1038/ncomms11009.
Richards, William D., Tsujimura, Tomoyuki, Miara, Lincoln J., Wang, Yan, Kim, Jae Chul, Ong, Shyue Ping, Uechi, Ichiro, Suzuki, Naoki, & Ceder, Gerbrand. Design and synthesis of the superionic conductor Na10SnP2S12. United States. doi:10.1038/ncomms11009.
Richards, William D., Tsujimura, Tomoyuki, Miara, Lincoln J., Wang, Yan, Kim, Jae Chul, Ong, Shyue Ping, Uechi, Ichiro, Suzuki, Naoki, and Ceder, Gerbrand. Thu . "Design and synthesis of the superionic conductor Na10SnP2S12". United States. doi:10.1038/ncomms11009. https://www.osti.gov/servlets/purl/1559137.
@article{osti_1559137,
title = {Design and synthesis of the superionic conductor Na10SnP2S12},
author = {Richards, William D. and Tsujimura, Tomoyuki and Miara, Lincoln J. and Wang, Yan and Kim, Jae Chul and Ong, Shyue Ping and Uechi, Ichiro and Suzuki, Naoki and Ceder, Gerbrand},
abstractNote = {Sodium-ion batteries are emerging as candidates for large-scale energy storage due to their low cost and the wide variety of cathode materials available. As battery size and adoption in critical applications increases, safety concerns are resurfacing due to the inherent flammability of organic electrolytes currently in use in both lithium and sodium battery chemistries. Development of solid-state batteries with ionic electrolytes eliminates this concern, while also allowing novel device architectures and potentially improving cycle life. Here we report the computation-assisted discovery and synthesis of a high-performance solid-state electrolyte material: Na10SnP2S12, with room temperature ionic conductivity of 0.4 mS cm-1 rivalling the conductivity of the best sodium sulfide solid electrolytes to date. We also computationally investigate the variants of this compound where tin is substituted by germanium or silicon and find that the latter may achieve even higher conductivity.},
doi = {10.1038/ncomms11009},
journal = {Nature Communications},
number = 1,
volume = 7,
place = {United States},
year = {2016},
month = {3}
}

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