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Title: Decoupling of mechanical properties and ionic conductivity in supramolecular lithium ion conductors

Abstract

Abstract The emergence of wearable electronics puts batteries closer to the human skin, exacerbating the need for battery materials that are robust, highly ionically conductive, and stretchable. Herein, we introduce a supramolecular design as an effective strategy to overcome the canonical tradeoff between mechanical robustness and ionic conductivity in polymer electrolytes. The supramolecular lithium ion conductor utilizes orthogonally functional H-bonding domains and ion-conducting domains to create a polymer electrolyte with unprecedented toughness (29.3 MJ m −3 ) and high ionic conductivity (1.2 × 10 −4 S cm −1 at 25 °C). Implementation of the supramolecular ion conductor as a binder material allows for the creation of stretchable lithium-ion battery electrodes with strain capability of over 900% via a conventional slurry process. The supramolecular nature of these battery components enables intimate bonding at the electrode-electrolyte interface. Combination of these stretchable components leads to a stretchable battery with a capacity of 1.1 mAh cm −2 that functions even when stretched to 70% strain. The method reported here of decoupling ionic conductivity from mechanical properties opens a promising route to create high-toughness ion transport materials for energy storage applications.

Authors:
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Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States). Stanford Synchrotron Radiation Lightsource (SSRL)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V); National Natural Science Foundation of China (NSFC); National Science Foundation (NSF); Japan Society for the Promotion of Science (JSPS); USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE Office of Science (SC), Biological and Environmental Research (BER); National Institutes of Health (NIH)
OSTI Identifier:
1619593
Alternate Identifier(s):
OSTI ID: 1595360
Grant/Contract Number:  
Battery 500; AC02-76SF00515; 21901161; ECCS‐1542152; DGE‐114747; P41GM103393
Resource Type:
Published Article
Journal Name:
Nature Communications
Additional Journal Information:
Journal Name: Nature Communications Journal Volume: 10 Journal Issue: 1; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Country of Publication:
United Kingdom
Language:
English
Subject:
25 ENERGY STORAGE; Batteries; Mechanical properties; Polymer characterization; Supramolecular polymers

Citation Formats

Mackanic, David G., Yan, Xuzhou, Zhang, Qiuhong, Matsuhisa, Naoji, Yu, Zhiao, Jiang, Yuanwen, Manika, Tuheen, Lopez, Jeffrey, Yan, Hongping, Liu, Kai, Chen, Xiaodong, Cui, Yi, and Bao, Zhenan. Decoupling of mechanical properties and ionic conductivity in supramolecular lithium ion conductors. United Kingdom: N. p., 2019. Web. https://doi.org/10.1038/s41467-019-13362-4.
Mackanic, David G., Yan, Xuzhou, Zhang, Qiuhong, Matsuhisa, Naoji, Yu, Zhiao, Jiang, Yuanwen, Manika, Tuheen, Lopez, Jeffrey, Yan, Hongping, Liu, Kai, Chen, Xiaodong, Cui, Yi, & Bao, Zhenan. Decoupling of mechanical properties and ionic conductivity in supramolecular lithium ion conductors. United Kingdom. https://doi.org/10.1038/s41467-019-13362-4
Mackanic, David G., Yan, Xuzhou, Zhang, Qiuhong, Matsuhisa, Naoji, Yu, Zhiao, Jiang, Yuanwen, Manika, Tuheen, Lopez, Jeffrey, Yan, Hongping, Liu, Kai, Chen, Xiaodong, Cui, Yi, and Bao, Zhenan. Tue . "Decoupling of mechanical properties and ionic conductivity in supramolecular lithium ion conductors". United Kingdom. https://doi.org/10.1038/s41467-019-13362-4.
@article{osti_1619593,
title = {Decoupling of mechanical properties and ionic conductivity in supramolecular lithium ion conductors},
author = {Mackanic, David G. and Yan, Xuzhou and Zhang, Qiuhong and Matsuhisa, Naoji and Yu, Zhiao and Jiang, Yuanwen and Manika, Tuheen and Lopez, Jeffrey and Yan, Hongping and Liu, Kai and Chen, Xiaodong and Cui, Yi and Bao, Zhenan},
abstractNote = {Abstract The emergence of wearable electronics puts batteries closer to the human skin, exacerbating the need for battery materials that are robust, highly ionically conductive, and stretchable. Herein, we introduce a supramolecular design as an effective strategy to overcome the canonical tradeoff between mechanical robustness and ionic conductivity in polymer electrolytes. The supramolecular lithium ion conductor utilizes orthogonally functional H-bonding domains and ion-conducting domains to create a polymer electrolyte with unprecedented toughness (29.3 MJ m −3 ) and high ionic conductivity (1.2 × 10 −4 S cm −1 at 25 °C). Implementation of the supramolecular ion conductor as a binder material allows for the creation of stretchable lithium-ion battery electrodes with strain capability of over 900% via a conventional slurry process. The supramolecular nature of these battery components enables intimate bonding at the electrode-electrolyte interface. Combination of these stretchable components leads to a stretchable battery with a capacity of 1.1 mAh cm −2 that functions even when stretched to 70% strain. The method reported here of decoupling ionic conductivity from mechanical properties opens a promising route to create high-toughness ion transport materials for energy storage applications.},
doi = {10.1038/s41467-019-13362-4},
journal = {Nature Communications},
number = 1,
volume = 10,
place = {United Kingdom},
year = {2019},
month = {11}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1038/s41467-019-13362-4

Citation Metrics:
Cited by: 12 works
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