AUTHOR=Li Danyang , Yang Bo , Han Yiming TITLE=A Critical Note of Major Parameter Extraction Methods for Proton Exchange Membrane Fuel Cell (PEMFC) JOURNAL=Frontiers in Energy Research VOLUME=9 YEAR=2022 URL=https://www.frontiersin.org/journals/energy-research/articles/10.3389/fenrg.2021.835397 DOI=10.3389/fenrg.2021.835397 ISSN=2296-598X