This collection contains the raw data (.txt format) for the figures published under the ''data published'' folder with the corresponding source file which plots the data as well as the exported pdf and eps version of individual figures. The computational finite-element model (Comsol Multiphysics mph-format) for the following publication: Sarma, R. & Hardt, S. (2024) Giant Thermoelectric Response of Confined Electrolytes with Thermally Activated Charge Carrier Generation, Physical Review Letters (DOI https://doi.org/10.1103/PhysRevLett.132.098001) is stored under the ''comsol file'' folder. The matlab code for solving the problem numerically is stored in the folder “Matlab code”.