volume 114 pages 21-29

The influence of interface polarization on the determination of lithium transference numbers of salt in polyethylene oxide electrolytes

Publication typeJournal Article
Publication date2013-12-01
scimago Q1
wos Q1
SJR1.106
CiteScore10.6
Impact factor5.6
ISSN00134686, 18733859
General Chemical Engineering
Electrochemistry
Abstract
Lithium transference numbers, salt diffusion coefficients and effective lithium conductivities are investigated with the steady state polarization method for poly(ethylene oxide) (PEO) based polymer electrolytes containing lithium bis(oxalato)borate (LiBOB) or lithium bis(trifluoromethanesulfonyl)imide (LiTFSI). We compare the commonly used evaluation technique with our approach. Here, the focus is laid on the potential relaxation of the polarized sample which delivers information about the salt diffusion and the potential distribution in symmetric Li/electrolyte/Li cell. The new approach circumvents the well-known initial current issue and thus increases the reliability of the experiment. The temperature dependence of the lithium transference numbers and the importance of data acquisition time are also discussed. The highest lithium transference numbers are 0.19 for P(EO) 60 ·LiTFSI at 90 °C.
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GOST Copy
Hiller M. M. et al. The influence of interface polarization on the determination of lithium transference numbers of salt in polyethylene oxide electrolytes // Electrochimica Acta. 2013. Vol. 114. pp. 21-29.
GOST all authors (up to 50) Copy
Hiller M. M., Joost M., Gores H. J., Passerini S., Wiemhöfer H. D. The influence of interface polarization on the determination of lithium transference numbers of salt in polyethylene oxide electrolytes // Electrochimica Acta. 2013. Vol. 114. pp. 21-29.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1016/j.electacta.2013.09.138
UR - https://doi.org/10.1016/j.electacta.2013.09.138
TI - The influence of interface polarization on the determination of lithium transference numbers of salt in polyethylene oxide electrolytes
T2 - Electrochimica Acta
AU - Hiller, M M
AU - Joost, M.
AU - Gores, H. J.
AU - Passerini, Stefano
AU - Wiemhöfer, Hans D.
PY - 2013
DA - 2013/12/01
PB - Elsevier
SP - 21-29
VL - 114
SN - 0013-4686
SN - 1873-3859
ER -
BibTex
Cite this
BibTex (up to 50 authors) Copy
@article{2013_Hiller,
author = {M M Hiller and M. Joost and H. J. Gores and Stefano Passerini and Hans D. Wiemhöfer},
title = {The influence of interface polarization on the determination of lithium transference numbers of salt in polyethylene oxide electrolytes},
journal = {Electrochimica Acta},
year = {2013},
volume = {114},
publisher = {Elsevier},
month = {dec},
url = {https://doi.org/10.1016/j.electacta.2013.09.138},
pages = {21--29},
doi = {10.1016/j.electacta.2013.09.138}
}