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Title: Fast formation cycling for lithium ion batteries

Abstract

The formation process for lithium ion batteries typically takes several days or more, and it is necessary for providing a stable solid electrolyte interphase on the anode (at low potentials vs. Li/Li +) for preventing irreversible consumption of electrolyte and lithium ions. An analogous layer known as the cathode electrolyte interphase layer forms at the cathode at high potentials vs. Li/Li +. However, several days, or even up to a week, of these processes result in either lower LIB production rates or a prohibitively large size of charging-discharging equipment and space (i.e. excessive capital cost). In this study, a fast and effective electrolyte interphase formation protocol is proposed and compared with an Oak Ridge National Laboratory baseline protocol. Graphite, NMC 532, and 1.2 M LiPF 6 in ethylene carbonate: diethyl carbonate were used as anodes, cathodes, and electrolytes, respectively. Finally, results from electrochemical impedance spectroscopy show the new protocol reduced surface film (electrolyte interphase) resistances, and 1300 aging cycles show an improvement in capacity retention.

Authors:
ORCiD logo [1];  [2];  [2];  [1];  [1]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Energy and Transportation Science Division; Univ. of Tennessee, Knoxville, TN (United States). Bredesen Center for Interdisciplinary Research and Graduate Education
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Energy and Transportation Science Division
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), Vehicle Technologies Office (EE-3V)
Contributing Org.:
Univ. of Tennessee, Knoxville, TN (United States)
OSTI Identifier:
1338413
Alternate Identifier(s):
OSTI ID: 1339392
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Journal Article: Published Article
Journal Name:
Journal of Power Sources
Additional Journal Information:
Journal Volume: 342; Journal ID: ISSN 0378-7753
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE; 32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; Lithium-ion battery; Fast formation; Cycle life; Resistance; Full pouch-cell; Solid electrolyte interphase

Citation Formats

An, Seong Jin, Li, Jianlin, Du, Zhijia, Daniel, Claus, and Wood, David L. Fast formation cycling for lithium ion batteries. United States: N. p., 2017. Web. doi:10.1016/j.jpowsour.2017.01.011.
An, Seong Jin, Li, Jianlin, Du, Zhijia, Daniel, Claus, & Wood, David L. Fast formation cycling for lithium ion batteries. United States. doi:10.1016/j.jpowsour.2017.01.011.
An, Seong Jin, Li, Jianlin, Du, Zhijia, Daniel, Claus, and Wood, David L. Mon . "Fast formation cycling for lithium ion batteries". United States. doi:10.1016/j.jpowsour.2017.01.011.
@article{osti_1338413,
title = {Fast formation cycling for lithium ion batteries},
author = {An, Seong Jin and Li, Jianlin and Du, Zhijia and Daniel, Claus and Wood, David L.},
abstractNote = {The formation process for lithium ion batteries typically takes several days or more, and it is necessary for providing a stable solid electrolyte interphase on the anode (at low potentials vs. Li/Li+) for preventing irreversible consumption of electrolyte and lithium ions. An analogous layer known as the cathode electrolyte interphase layer forms at the cathode at high potentials vs. Li/Li+. However, several days, or even up to a week, of these processes result in either lower LIB production rates or a prohibitively large size of charging-discharging equipment and space (i.e. excessive capital cost). In this study, a fast and effective electrolyte interphase formation protocol is proposed and compared with an Oak Ridge National Laboratory baseline protocol. Graphite, NMC 532, and 1.2 M LiPF6 in ethylene carbonate: diethyl carbonate were used as anodes, cathodes, and electrolytes, respectively. Finally, results from electrochemical impedance spectroscopy show the new protocol reduced surface film (electrolyte interphase) resistances, and 1300 aging cycles show an improvement in capacity retention.},
doi = {10.1016/j.jpowsour.2017.01.011},
journal = {Journal of Power Sources},
number = ,
volume = 342,
place = {United States},
year = {Mon Jan 09 00:00:00 EST 2017},
month = {Mon Jan 09 00:00:00 EST 2017}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record at 10.1016/j.jpowsour.2017.01.011

Citation Metrics:
Cited by: 5 works
Citation information provided by
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