Open AccessFitting of Low–Pt PEM Fuel Cell Polarization Curves by Means of a Single–Pore Catalyst Layer Model
Author(s) -
Andrei Kulikovsky
Publication year - 2021
Publication title -
journal of the electrochemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.258
H-Index - 271
eISSN - 1945-7111
pISSN - 0013-4651
DOI - 10.1149/1945-7111/ac2687
Subject(s) - proton exchange membrane fuel cell , polarization (electrochemistry) , limiting current , cathode , conductivity , oxygen , catalysis , materials science , chemistry , analytical chemistry (journal) , agglomerate , void (composites) , electrolyte , chemical engineering , composite material , electrode , electrochemistry , chromatography , organic chemistry , engineering
A recent single–pore model for performance of cathode catalyst layer (CCL) in a low–Pt PEM fuel cell is further developed and used to fit experimental polarization curves. Analytical formula for the limiting current density is derived, which contains oxygen diffusivities in the void pore and ionomer film covering Pt/C agglomerates. Least–squares fitting of model to experimental polarization curves returns CCL proton conductivity and parameters of oxygen transport in the pore and film.
Accelerating Research
Robert Robinson Avenue,
Oxford Science Park, Oxford
OX4 4GP, United Kingdom
Address
John Eccles HouseRobert Robinson Avenue,
Oxford Science Park, Oxford
OX4 4GP, United Kingdom