Untangling cation and anion contributions to refractive index changes in electrical double-layer capacitors

Physical Chemistry Chemical Physics 2026 Open access

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Authors: Karen Regules Medel, Finlay Nelson, William Hardiman, Rafael Fuentes-Domínguez, Michael Geoffrey Somekh, Sidahmed Abayzeed
DOI: 10.1039/d5cp03506f
Cited by: 0
References: 79

Abstract

A novel label-free optical method detects voltage-driven refractive index alterations in electric double layer capacitors, distinguishing cation and anion effects—vital for batteries, fuel cells, corrosion studies, sensors, and bioelectrochemistry.

Fields of Study & Subjects

Electrostatics and Colloid Interactions Electrochemical Analysis and Applications Supercapacitor Materials and Fabrication

Publication details

Journal / source
Physical Chemistry Chemical Physics
Volume
28
Issue
17
Pages
10853–10864
Publication date
1 January 2026
Language
EN