PyBEP Battery electrode potentials calculator

Run optimization Format data Submit a curve Instructions

Paper Pišek, Katrašnik & Zelič, PyBEP: An Open-Source Tool for Electrode Potential Determination from Battery OCV Measurements, Batteries 11 (2025) 295. How to cite

Format data

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Convert raw measurement files into PyBEP's standard 1001-point layout. Upload your files, choose what kind of curves they are, and download the formatted set as a zip.

The formatter is a convenience tool, not a guarantee. Unusual layouts, noisy measurements or inconsistent delimiters can produce imperfect results — always review the output before running an optimization on it.

Data files Up to 12 files, each two columns — state of charge and voltage — as .txt, .csv or .xlsx. All of them must be the same curve type; format cathode, anode and battery files in separate batches.

Curve type Controls the orientation convention applied to the curves.

Developed by LICeM · University of Ljubljana