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Title: Li + -Desolvation Dictating Lithium-Ion Battery’s Low-Temperature Performances

Abstract

Lithium (Li) ion battery (LIB) has penetrated almost every aspects of human life, from portable electronics, vehicles to grids, and its operation stability in extreme environments becomes increasingly important. Among these, sub-zero temperature presents a kinetic challenge to the electrochemical reactions required to deliver the stored energy. Here, in this work, we attempted to identify the rate-determining process for Li + migration under such low temperatures, so that an optimum electrolyte formulation could be designed to maximize the energy output. Substantial increase in available capacities from graphite||LiNi 0.80Co 0.15Al 0.05O 2 chemistry down to -40°C is achieved by reducing the solvent molecule that more tightly binds to Li + and thus constitutes high desolvation energy barrier. Lastly, the fundamental understanding is applicable universally to a wide spectrum of electrochemical devices that have to operate in similar environments.

Authors:
 [1]; ORCiD logo [1];  [1];  [1]; ORCiD logo [2]; ORCiD logo [2];  [1]; ORCiD logo [1]; ORCiD logo [1]
  1. Pacific Northwest National Lab. (PNNL), Richland, WA (United States). Energy and Environmental Directorate
  2. Pacific Northwest National Lab. (PNNL), Richland, WA (United States). Environmental Molecular Sciences Lab. (EMSL)
Publication Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V)
Contributing Org.:
PNNL Laboratory Directed Research and Development (LDRD) Project under Technology Investment Program
OSTI Identifier:
1409313
Grant/Contract Number:  
AC05-76RL01830; AC02-05CH11231
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
ACS Applied Materials and Interfaces
Additional Journal Information:
Journal Volume: 9; Journal Issue: 49; Journal ID: ISSN 1944-8244
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE; 36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; low temperature; desolvation; ion transfer; electrolyte; lithium ion battery; cesium cation

Citation Formats

Li, Qiuyan, Lu, Dongping, Zheng, Jianming, Jiao, Shuhong, Luo, Langli, Wang, Chong-Min, Xu, Kang, Zhang, Ji-Guang, and Xu, Wu. Li + -Desolvation Dictating Lithium-Ion Battery’s Low-Temperature Performances. United States: N. p., 2017. Web. doi:10.1021/acsami.7b13887.
Li, Qiuyan, Lu, Dongping, Zheng, Jianming, Jiao, Shuhong, Luo, Langli, Wang, Chong-Min, Xu, Kang, Zhang, Ji-Guang, & Xu, Wu. Li + -Desolvation Dictating Lithium-Ion Battery’s Low-Temperature Performances. United States. doi:10.1021/acsami.7b13887.
Li, Qiuyan, Lu, Dongping, Zheng, Jianming, Jiao, Shuhong, Luo, Langli, Wang, Chong-Min, Xu, Kang, Zhang, Ji-Guang, and Xu, Wu. Fri . "Li + -Desolvation Dictating Lithium-Ion Battery’s Low-Temperature Performances". United States. doi:10.1021/acsami.7b13887.
@article{osti_1409313,
title = {Li + -Desolvation Dictating Lithium-Ion Battery’s Low-Temperature Performances},
author = {Li, Qiuyan and Lu, Dongping and Zheng, Jianming and Jiao, Shuhong and Luo, Langli and Wang, Chong-Min and Xu, Kang and Zhang, Ji-Guang and Xu, Wu},
abstractNote = {Lithium (Li) ion battery (LIB) has penetrated almost every aspects of human life, from portable electronics, vehicles to grids, and its operation stability in extreme environments becomes increasingly important. Among these, sub-zero temperature presents a kinetic challenge to the electrochemical reactions required to deliver the stored energy. Here, in this work, we attempted to identify the rate-determining process for Li+ migration under such low temperatures, so that an optimum electrolyte formulation could be designed to maximize the energy output. Substantial increase in available capacities from graphite||LiNi0.80Co0.15Al0.05O2 chemistry down to -40°C is achieved by reducing the solvent molecule that more tightly binds to Li+ and thus constitutes high desolvation energy barrier. Lastly, the fundamental understanding is applicable universally to a wide spectrum of electrochemical devices that have to operate in similar environments.},
doi = {10.1021/acsami.7b13887},
journal = {ACS Applied Materials and Interfaces},
number = 49,
volume = 9,
place = {United States},
year = {Fri Nov 17 00:00:00 EST 2017},
month = {Fri Nov 17 00:00:00 EST 2017}
}

Journal Article:
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