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Title: Determining and Minimizing Resistance for Ion Transport at the Polymer/Ceramic Electrolyte Interface

Abstract

In this work, we report methods to quantify and minimize the interfacial resistance for Li ion transport, R interface, between a model polymer electrolyte, poly(ethylene oxide) + LiCF 3SO 3 (PE), and a model Li +-conducting ceramic electrolyte, LICGC from Ohara Corporation. By constructing a PE–ceramic–PE trilayer cell, we found R interface to be very large, 1.2 kΩ·cm 2 at 30 °C, accounting for 66% of the total trilayer cell resistance. When dimethyl carbonate, a loose-binding solvent of Li +, was introduced into the trilayer, R interface decreased to essentially zero. As a result, a composite electrolyte with carbonate plasticizers wherein 40 vol % ceramic particles were dispersed in the polymer showed extraordinary room-temperature conductivity of approximately 10 –4 S/cm, 3 orders of magnitude higher than that of the dry composite electrolyte. Here, this discovery can be used as guidance in designing composite electrolytes to achieve synergistic effects.

Authors:
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1];  [2]; ORCiD logo [1]; ORCiD logo [1]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. Univ. of Tennessee, Knoxville, TN (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
OSTI Identifier:
1510587
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
ACS Energy Letters
Additional Journal Information:
Journal Volume: 4; Journal ID: ISSN 2380-8195
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Chen, X. Chelsea, Liu, Xiaoming, Pandian, Amaresh Samuthira, Lou, Kun, Delnick, Frank M., and Dudney, Nancy J. Determining and Minimizing Resistance for Ion Transport at the Polymer/Ceramic Electrolyte Interface. United States: N. p., 2019. Web. doi:10.1021/acsenergylett.9b00495.
Chen, X. Chelsea, Liu, Xiaoming, Pandian, Amaresh Samuthira, Lou, Kun, Delnick, Frank M., & Dudney, Nancy J. Determining and Minimizing Resistance for Ion Transport at the Polymer/Ceramic Electrolyte Interface. United States. doi:10.1021/acsenergylett.9b00495.
Chen, X. Chelsea, Liu, Xiaoming, Pandian, Amaresh Samuthira, Lou, Kun, Delnick, Frank M., and Dudney, Nancy J. Wed . "Determining and Minimizing Resistance for Ion Transport at the Polymer/Ceramic Electrolyte Interface". United States. doi:10.1021/acsenergylett.9b00495.
@article{osti_1510587,
title = {Determining and Minimizing Resistance for Ion Transport at the Polymer/Ceramic Electrolyte Interface},
author = {Chen, X. Chelsea and Liu, Xiaoming and Pandian, Amaresh Samuthira and Lou, Kun and Delnick, Frank M. and Dudney, Nancy J.},
abstractNote = {In this work, we report methods to quantify and minimize the interfacial resistance for Li ion transport, Rinterface, between a model polymer electrolyte, poly(ethylene oxide) + LiCF3SO3 (PE), and a model Li+-conducting ceramic electrolyte, LICGC from Ohara Corporation. By constructing a PE–ceramic–PE trilayer cell, we found Rinterface to be very large, 1.2 kΩ·cm2 at 30 °C, accounting for 66% of the total trilayer cell resistance. When dimethyl carbonate, a loose-binding solvent of Li+, was introduced into the trilayer, Rinterface decreased to essentially zero. As a result, a composite electrolyte with carbonate plasticizers wherein 40 vol % ceramic particles were dispersed in the polymer showed extraordinary room-temperature conductivity of approximately 10–4 S/cm, 3 orders of magnitude higher than that of the dry composite electrolyte. Here, this discovery can be used as guidance in designing composite electrolytes to achieve synergistic effects.},
doi = {10.1021/acsenergylett.9b00495},
journal = {ACS Energy Letters},
number = ,
volume = 4,
place = {United States},
year = {2019},
month = {4}
}

Journal Article:
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This content will become publicly available on April 17, 2020
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