The electrode tortuosity factor: why the conventional tortuosity | ResearchBunny

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Abstract

This paper presents a numerical approach to compare two common experimental methods for determining tortuosity factors in porous Li-ion battery electrodes. It highlights issues with the conventional "flow through" tortuosity factor and introduces a new "electrode tortuosity factor" that better captures relevant transport processes. Simulations demonstrate the importance of non-percolating pores in electrode performance, offering insights for optimizing electrode design. The simulation tool is available as an open-source MATLAB application.

Publisher

npj Computational Materials

Published On

Aug 14, 2020

Authors

Tuan-Tu Nguyen, Arnaud Demortière, Benoit Fleutot, Bruno Delobel, Charles Delacourt, Samuel J. Cooper

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