Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain
the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in
Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles
and JavaScript.
Schematics of experimental setup and the physics underlying the two methods for determining tortuosity factors of porous electrodes: a eRDM16, and b eSCM17,18. The arrows show different conducting pathways traveled by charged particles(ions/electrons).
