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The Limited Influence of Transference Number on the Performance of Nanoscale Batteries

preprint
submitted on 15.10.2019 and posted on 23.10.2019 by Kaitlyn Dwelle, Adam Willard
This manuscript presents a study of the impacts of the transference number on the performance of nanoscale batteries. We use numerical simulation to show that the transference number is a poor predictor of nanoscale battery performance. We attribute this finding to the ability of electrolytes to break local charge neutrality over nanometer length scales, thereby mitigating the negative effects of concentration polarization within and in between the electrodes. These results highlight the need for separate design principles when engineering materials for very small battery systems.

History

Email Address of Submitting Author

awillard@mit.edu

Institution

Massachusetts Institute of Technology

Country

United States

ORCID For Submitting Author

0000-0002-0934-4737

Declaration of Conflict of Interest

none

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in The Journal of Chemical Physics

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