Journal
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
Volume 163, Issue 13, Pages A2776-A2780Publisher
ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.1171613jes
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Funding
- U.S. Department of Energy - Office of Energy Efficiency and Renewable Energy Vehicle Technologies Office (VTO) Applied Battery Research (ABR) subprogram [DE-AC05-00OR22725]
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Electron beam cured acrylated polyurethanes have been successfully used as novel binders for positive electrodes for Li-ion batteries. 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. 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. (C) 2016 The Electrochemical Society. All rights reserved.
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