| Issue |
EPJ Web Conf.
Volume 286, 2023
European Conference on Neutron Scattering 2023 (ECNS 2023)
|
|
|---|---|---|
| Article Number | 04005 | |
| Number of page(s) | 5 | |
| Section | Soft Matter and Life Sciences | |
| DOI | https://doi.org/10.1051/epjconf/202328604005 | |
| Published online | 09 October 2023 | |
https://doi.org/10.1051/epjconf/202328604005
Dynamics of polymer electrolyte with LiTFSI via Quasi-Elastic Neutron Scattering
1 Research Center Jülich, 52428 Jülich, Germany
2 Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
3 Department of Physics, University of Regina, Saskatchewan S4S 0A2, Canada
4 Interdisciplinary Center for Advanced Materials Simulations (ICAMS), Ruhr-University Bochum, 44801 Bochum, Germany
5 Department of Materials Physics, Nagoya University, Nagoya, Aichi 4648603, Japan
6 Varta Microbattery GmbH, 73479 Ellwangen, Germany
7 Department of Materials Science and Engineering, Univ. Tennessee, Knoxville TN. 37996, USA
Published online: 9 October 2023
Most lithium batteries offer a wide range of applications. However, safety issues are still an unresolved issue for several applications. To solve the safety issue of Li-ion batteries, solid polymer electrolyte is a promising candidate to replace commercial liquid electrolyte. A 4-arm star poly(ethylene oxide) polymer with LiTFSI salt as an electrolyte was studied. The dynamics of this polymer were explored with the Quasi-Elastic Neutron Scattering technique. Furthermore, the influence of temperature and Li salt concentration on the polymer dynamics was investigated. The dynamics of the polymer ends of the arm show much higher flexibility than the core parts making those types of polymers attractive for further studies in battery research.
© The Authors, published by EDP Sciences, 2023
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