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Title: Uniform High Ionic Conducting Lithium Sulfide Protection Layer for Stable Lithium Metal Anode

Abstract

Artificial solid-electrolyte interphase (SEI) is one of the key approaches in addressing the low reversibility and dendritic growth problems of lithium metal anode, yet its current effect is still insufficient due to insufficient stability. Here, a new principle of “simultaneous high ionic conductivity and homogeneity” is proposed for stabilizing SEI and lithium metal anodes. Fabricated by a facile, environmentally friendly, and low-cost lithium solid-sulfur vapor reaction at elevated temperature, a designed lithium sulfide protective layer successfully maintains its protection function during cycling, which is confirmed by both simulations and experiments. Stable dendrite-free cycling of lithium metal anode is realized even at a high areal capacity of 5 mAh cm -2, and prototype Li–Li 4Ti 5O 12 cell with limited lithium also achieves 900 stable cycles. These findings give new insight into the ideal SEI composition and structure and provide new design strategies for stable lithium metal batteries.

Authors:
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1];  [1]; ORCiD logo [1];  [1];  [1];  [1]; ORCiD logo [1];  [1]; ORCiD logo [1];  [2]
  1. Stanford Univ., CA (United States). Dept. of Materials Science and Engineering
  2. SLAC National Accelerator Lab., Menlo Park, CA (United States). Stanford Institute for Materials and Energy Science (SIMES)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1532475
Alternate Identifier(s):
OSTI ID: 1510099
Grant/Contract Number:  
AC02-76SF00515
Resource Type:
Accepted Manuscript
Journal Name:
Advanced Energy Materials
Additional Journal Information:
Journal Volume: 9; Journal Issue: 22; Journal ID: ISSN 1614-6832
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE; artificial SEI; compositional homogeneity; high ionic conductivity; lithium metal batteries

Citation Formats

Chen, Hao, Pei, Allen, Lin, Dingchang, Xie, Jin, Yang, Ankun, Xu, Jinwei, Lin, Kaixiang, Wang, Jiangyan, Wang, Hansen, Shi, Feifei, Boyle, David, and Cui, Yi. Uniform High Ionic Conducting Lithium Sulfide Protection Layer for Stable Lithium Metal Anode. United States: N. p., 2019. Web. doi:10.1002/aenm.201900858.
Chen, Hao, Pei, Allen, Lin, Dingchang, Xie, Jin, Yang, Ankun, Xu, Jinwei, Lin, Kaixiang, Wang, Jiangyan, Wang, Hansen, Shi, Feifei, Boyle, David, & Cui, Yi. Uniform High Ionic Conducting Lithium Sulfide Protection Layer for Stable Lithium Metal Anode. United States. doi:10.1002/aenm.201900858.
Chen, Hao, Pei, Allen, Lin, Dingchang, Xie, Jin, Yang, Ankun, Xu, Jinwei, Lin, Kaixiang, Wang, Jiangyan, Wang, Hansen, Shi, Feifei, Boyle, David, and Cui, Yi. Tue . "Uniform High Ionic Conducting Lithium Sulfide Protection Layer for Stable Lithium Metal Anode". United States. doi:10.1002/aenm.201900858.
@article{osti_1532475,
title = {Uniform High Ionic Conducting Lithium Sulfide Protection Layer for Stable Lithium Metal Anode},
author = {Chen, Hao and Pei, Allen and Lin, Dingchang and Xie, Jin and Yang, Ankun and Xu, Jinwei and Lin, Kaixiang and Wang, Jiangyan and Wang, Hansen and Shi, Feifei and Boyle, David and Cui, Yi},
abstractNote = {Artificial solid-electrolyte interphase (SEI) is one of the key approaches in addressing the low reversibility and dendritic growth problems of lithium metal anode, yet its current effect is still insufficient due to insufficient stability. Here, a new principle of “simultaneous high ionic conductivity and homogeneity” is proposed for stabilizing SEI and lithium metal anodes. Fabricated by a facile, environmentally friendly, and low-cost lithium solid-sulfur vapor reaction at elevated temperature, a designed lithium sulfide protective layer successfully maintains its protection function during cycling, which is confirmed by both simulations and experiments. Stable dendrite-free cycling of lithium metal anode is realized even at a high areal capacity of 5 mAh cm-2, and prototype Li–Li4Ti5O12 cell with limited lithium also achieves 900 stable cycles. These findings give new insight into the ideal SEI composition and structure and provide new design strategies for stable lithium metal batteries.},
doi = {10.1002/aenm.201900858},
journal = {Advanced Energy Materials},
number = 22,
volume = 9,
place = {United States},
year = {2019},
month = {4}
}

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Works referenced in this record:

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