@article{202404.1157, doi = {10.20944/preprints202404.1157.v1}, url = {https://doi.org/10.20944/preprints202404.1157.v1}, year = 2024, month = {April}, publisher = {Preprints}, author = {Peter Kurzweil and Wolfgang Scheuerpflig and Christian Schell and Josef Schottenbauer}, title = {Useful Quantities and Diagram Types for Diagnosis and Monitoring of Electrochemical Energy Converters Using Impedance Spectroscopy: State-of-the-Art, Review and Outlook}, journal = {Preprints} }