Modeling and analysis of solvent removal during Li-ion battery electrode drying
Abstract
In this paper, we study the design aspects and process dynamics of solvent removal from Lithium-ion battery electrode coatings. For this, we use a continuum level mathematical model to describe the physical phenomenon of cathode drying involving coupled simultaneous heat and mass transfer with phase change. Our results indicate that around 90% of solvent is removed in less than half of the overall drying time. We study the effect of varying temperature and air velocity on the drying process. We show that the overall drying energy can be reduced by at least 50% by using a multi-zone drying process. Also, the peak solvent flux can be reduced by at least 40%. We further present the effect of using an aqueous solvent instead of N-Methyl-2-pyrrolidone (NMP) in electrode drying. Our results indicate that Water dries nearly 4.5 times faster as compared to NMP and requires nearly 10 times less overall drying energy per kg of solvent.
- Authors:
-
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Publication Date:
- Research Org.:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE)
- OSTI Identifier:
- 1431318
- Alternate Identifier(s):
- OSTI ID: 1548807
- Grant/Contract Number:
- AC02-06CH11357
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Power Sources
- Additional Journal Information:
- Journal Volume: 378; Journal Issue: C; Journal ID: ISSN 0378-7753
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 25 ENERGY STORAGE; Lithium-ion battery; NMP vs water solvent; electrode drying; mathematical modeling; Drying; Li-ion battery cathode; Heat and mass transfer
Citation Formats
Susarla, Naresh, Ahmed, Shabbir, and Dees, Dennis W. Modeling and analysis of solvent removal during Li-ion battery electrode drying. United States: N. p., 2018.
Web. doi:10.1016/j.jpowsour.2018.01.007.
Susarla, Naresh, Ahmed, Shabbir, & Dees, Dennis W. Modeling and analysis of solvent removal during Li-ion battery electrode drying. United States. https://doi.org/10.1016/j.jpowsour.2018.01.007
Susarla, Naresh, Ahmed, Shabbir, and Dees, Dennis W. Fri .
"Modeling and analysis of solvent removal during Li-ion battery electrode drying". United States. https://doi.org/10.1016/j.jpowsour.2018.01.007. https://www.osti.gov/servlets/purl/1431318.
@article{osti_1431318,
title = {Modeling and analysis of solvent removal during Li-ion battery electrode drying},
author = {Susarla, Naresh and Ahmed, Shabbir and Dees, Dennis W.},
abstractNote = {In this paper, we study the design aspects and process dynamics of solvent removal from Lithium-ion battery electrode coatings. For this, we use a continuum level mathematical model to describe the physical phenomenon of cathode drying involving coupled simultaneous heat and mass transfer with phase change. Our results indicate that around 90% of solvent is removed in less than half of the overall drying time. We study the effect of varying temperature and air velocity on the drying process. We show that the overall drying energy can be reduced by at least 50% by using a multi-zone drying process. Also, the peak solvent flux can be reduced by at least 40%. We further present the effect of using an aqueous solvent instead of N-Methyl-2-pyrrolidone (NMP) in electrode drying. Our results indicate that Water dries nearly 4.5 times faster as compared to NMP and requires nearly 10 times less overall drying energy per kg of solvent.},
doi = {10.1016/j.jpowsour.2018.01.007},
journal = {Journal of Power Sources},
number = C,
volume = 378,
place = {United States},
year = {Fri Jan 12 00:00:00 EST 2018},
month = {Fri Jan 12 00:00:00 EST 2018}
}
Web of Science
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