Abstract
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.
| Original language | English |
|---|---|
| Pages (from-to) | A2776-A2780 |
| Journal | Journal of the Electrochemical Society |
| Volume | 163 |
| Issue number | 13 |
| DOIs | |
| State | Published - 2016 |
Funding
This research at Oak Ridge National Laboratory (ORNL), managed by UT Battelle, LLC, for the U. S. Department of Energy under contract DE-AC05-00OR22725, was sponsored by the Office of Energy Efficiency and Renewable Energy Vehicle Technologies Office (VTO) Applied Battery Research (ABR) subprogram (Program Managers: Peter Faguy and David Howell).
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