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Title: High-Speed Fabrication of Lithium-Ion Battery Electrodes by UV-Curing

Abstract

In this study, UV-curing was investigated as an alternative method to provide fast production of composite cathodes and significantly reduce the time and energy required for solvent removal in lithium-ion battery fabrication. To serve our purpose, low-molecular-weight polysiloxane acrylate (PSA) was designed and synthesized from a polysiloxane epoxide precursor. In the presence of the acrylic acid additive LiNi1/ 3Mn1/3Co1/3O2 (NMC), electrode laminates containing 10 wt% PSA binder were successfully fabricated by UVcuring. The cured electrode exhibited good mechanical and electrochemical properties. At current rates up to C/3, the cell performance of the UV-cured NMC electrode was comparable to that of conventional polyvinylidene fluoride (PVDF)-bound NMC electrode. Our initial success in applying high-speed UV-curing in composite electrode fabrication has proved that it is a promising route to substantially reducing the capital and operation costs of lithium-ion battery electrode manufacturing and additionally bringing about important environmental benefits.

Authors:
; ; ;
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE) - Office of Vehicle Technology
OSTI Identifier:
1391952
DOE Contract Number:  
AC02-06CH11357
Resource Type:
Journal Article
Journal Name:
Energy Technology
Additional Journal Information:
Journal Volume: 3; Journal Issue: 5; Journal ID: ISSN 2194-4288
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
Polysiloxane binder; UV-curing; binder; cross-linking; lithium-ion batteries; photoinitiation; polysiloxane; solvent removal

Citation Formats

Xue, Zheng, Hu, Libo, Amine, Khalil, and Zhang, Zhengcheng. High-Speed Fabrication of Lithium-Ion Battery Electrodes by UV-Curing. United States: N. p., 2015. Web. doi:10.1002/ente.201402210.
Xue, Zheng, Hu, Libo, Amine, Khalil, & Zhang, Zhengcheng. High-Speed Fabrication of Lithium-Ion Battery Electrodes by UV-Curing. United States. doi:10.1002/ente.201402210.
Xue, Zheng, Hu, Libo, Amine, Khalil, and Zhang, Zhengcheng. Thu . "High-Speed Fabrication of Lithium-Ion Battery Electrodes by UV-Curing". United States. doi:10.1002/ente.201402210.
@article{osti_1391952,
title = {High-Speed Fabrication of Lithium-Ion Battery Electrodes by UV-Curing},
author = {Xue, Zheng and Hu, Libo and Amine, Khalil and Zhang, Zhengcheng},
abstractNote = {In this study, UV-curing was investigated as an alternative method to provide fast production of composite cathodes and significantly reduce the time and energy required for solvent removal in lithium-ion battery fabrication. To serve our purpose, low-molecular-weight polysiloxane acrylate (PSA) was designed and synthesized from a polysiloxane epoxide precursor. In the presence of the acrylic acid additive LiNi1/ 3Mn1/3Co1/3O2 (NMC), electrode laminates containing 10 wt% PSA binder were successfully fabricated by UVcuring. The cured electrode exhibited good mechanical and electrochemical properties. At current rates up to C/3, the cell performance of the UV-cured NMC electrode was comparable to that of conventional polyvinylidene fluoride (PVDF)-bound NMC electrode. Our initial success in applying high-speed UV-curing in composite electrode fabrication has proved that it is a promising route to substantially reducing the capital and operation costs of lithium-ion battery electrode manufacturing and additionally bringing about important environmental benefits.},
doi = {10.1002/ente.201402210},
journal = {Energy Technology},
issn = {2194-4288},
number = 5,
volume = 3,
place = {United States},
year = {2015},
month = {4}
}

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