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Title: Hybrid Polymer/Garnet Electrolyte with a Small Interfacial Resistance for Lithium-Ion Batteries

Abstract

Li 7La 3Zr 2O 12-based Li-rich garnets react with water and carbon dioxide in air to form a Li-ion insulating Li 2CO 3 layer on the surface of the garnet particles, which results in a large interfacial resistance for Li-ion transfer. In this work, we introduce LiF to garnet Li 6.5La 3Zr 1.5Ta 0.5O 12 (LLZT) to increase the stability of the garnet electrolyte against moist air; the garnet LLZT-2 wt % LiF (LLZT-2LiF) has less Li 2CO 3 on the surface and shows a small interfacial resistance with Li metal, a solid polymer electrolyte, and organic-liquid electrolytes. Lastly, an all-solid-state Li/polymer/LLZT-2LiF/LiFePO 4 battery has a high Coulombic efficiency and long cycle life; a Li-S cell with the LLZT-2LiF electrolyte as a separator, which blocks the polysulfide transport towards the Li-metal, also has high Coulombic efficiency and kept 93 % of its capacity after 100 cycles.

Authors:
 [1];  [2];  [1];  [2];  [3];  [1];  [1];  [1];  [1];  [1];  [1]
  1. Univ. of Texas, Austin, TX (United States)
  2. Shanghai Jiao Tong University, Shanghai (China)
  3. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division; USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V)
OSTI Identifier:
1505978
Report Number(s):
LA-UR-16-27139
Journal ID: ISSN 1433-7851
Grant/Contract Number:  
89233218CNA000001; SC0005397
Resource Type:
Accepted Manuscript
Journal Name:
Angewandte Chemie (International Edition)
Additional Journal Information:
Journal Name: Angewandte Chemie (International Edition); Journal Volume: 56; Journal Issue: 3; Journal ID: ISSN 1433-7851
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 25 ENERGY STORAGE; all-solid-state battery; interfacial resistance; Li-rich garnet; Li-S battery; lithium fluoride

Citation Formats

Li, Yutao, Xu, Biyi, Xu, Henghui, Duan, Huanan, Lü, Xujie, Xin, Sen, Zhou, Weidong, Xue, Leigang, Fu, Gengtao, Manthiram, Arumugam, and Goodenough, John B. Hybrid Polymer/Garnet Electrolyte with a Small Interfacial Resistance for Lithium-Ion Batteries. United States: N. p., 2016. Web. doi:10.1002/anie.201608924.
Li, Yutao, Xu, Biyi, Xu, Henghui, Duan, Huanan, Lü, Xujie, Xin, Sen, Zhou, Weidong, Xue, Leigang, Fu, Gengtao, Manthiram, Arumugam, & Goodenough, John B. Hybrid Polymer/Garnet Electrolyte with a Small Interfacial Resistance for Lithium-Ion Batteries. United States. doi:10.1002/anie.201608924.
Li, Yutao, Xu, Biyi, Xu, Henghui, Duan, Huanan, Lü, Xujie, Xin, Sen, Zhou, Weidong, Xue, Leigang, Fu, Gengtao, Manthiram, Arumugam, and Goodenough, John B. Fri . "Hybrid Polymer/Garnet Electrolyte with a Small Interfacial Resistance for Lithium-Ion Batteries". United States. doi:10.1002/anie.201608924. https://www.osti.gov/servlets/purl/1505978.
@article{osti_1505978,
title = {Hybrid Polymer/Garnet Electrolyte with a Small Interfacial Resistance for Lithium-Ion Batteries},
author = {Li, Yutao and Xu, Biyi and Xu, Henghui and Duan, Huanan and Lü, Xujie and Xin, Sen and Zhou, Weidong and Xue, Leigang and Fu, Gengtao and Manthiram, Arumugam and Goodenough, John B.},
abstractNote = {Li7La3Zr2O12-based Li-rich garnets react with water and carbon dioxide in air to form a Li-ion insulating Li2CO3 layer on the surface of the garnet particles, which results in a large interfacial resistance for Li-ion transfer. In this work, we introduce LiF to garnet Li6.5La3Zr1.5Ta0.5O12 (LLZT) to increase the stability of the garnet electrolyte against moist air; the garnet LLZT-2 wt % LiF (LLZT-2LiF) has less Li2CO3 on the surface and shows a small interfacial resistance with Li metal, a solid polymer electrolyte, and organic-liquid electrolytes. Lastly, an all-solid-state Li/polymer/LLZT-2LiF/LiFePO4 battery has a high Coulombic efficiency and long cycle life; a Li-S cell with the LLZT-2LiF electrolyte as a separator, which blocks the polysulfide transport towards the Li-metal, also has high Coulombic efficiency and kept 93 % of its capacity after 100 cycles.},
doi = {10.1002/anie.201608924},
journal = {Angewandte Chemie (International Edition)},
number = 3,
volume = 56,
place = {United States},
year = {2016},
month = {12}
}

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Works referenced in this record:

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journal, February 2010

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Fast Lithium Ion Conduction in Garnet-Type Li7La3Zr2O12
journal, October 2007

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