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Title: Electron Beam Curing of Composite Positive Electrode for Li-Ion Battery

Journal Article · · Journal of the Electrochemical Society
DOI:https://doi.org/10.1149/2.1171613jes· OSTI ID:1329741
 [1];  [2];  [1];  [1];  [1]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Energy and Transportation Science Division
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science and Technology Division

We have successfully used electron beam cured acrylated polyurethanes as novel binders for positive electrodes for Li-ion batteries. Furthermore, the cross-linked polymer after electron beam curing coheres active materials and carbon black together onto Al foil. Electrochemical tests demonstrate the stability of the polymer at a potential window of 2.0 V–4.6 V. The electrode is found to have similar voltage profiles and charge-transfer resistance compared to the conventional electrode using polyvinylidene fluoride as the binder. Finally, when the electrode is tested in full Li-ion cells, they exhibit excellent cycling performance, indicating promising use for this new type of binder in commercial Li-ion batteries in the future.

Research Organization:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1329741
Journal Information:
Journal of the Electrochemical Society, Vol. 163, Issue 13; ISSN 0013-4651
Publisher:
The Electrochemical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 17 works
Citation information provided by
Web of Science

References (20)

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Investigations on cellulose-based high voltage composite cathodes for lithium ion batteries journal September 2011
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Low-energy electron beam cured tape placement for out-of-autoclave fabrication of advanced polymer composites journal October 2014
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Effect of Carboxymethyl Cellulose on Aqueous Processing of Natural Graphite Negative Electrodes and their Electrochemical Performance for Lithium Batteries journal January 2005
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Toward Low-Cost, High-Energy Density, and High-Power Density Lithium-Ion Batteries journal June 2017

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