Proton exchange membrane fuel cells (PEMFCs) are becoming a major part of a greener
and more sustainable future. However, the costs of high-purity hydrogen and noble metal …

High-temperature (120–200° C) polymer electrolyte membrane fuel cells (HT-PEMFCs) are
promising energy conversion devices that offer multiple advantages over the established …

In this study, Distribution of Relaxation Times (DRT) was successfully demonstrated in the
analysis of the impedance spectra of High-Temperature Polymer Electrolyte Membrane Fuel …

Single-layer graphene (SLG) obtained by chemical vapor deposition is applied between
membrane and electrodes by a wet chemical transfer method to study its effect on the …

This paper reports an experimental study of the degradation of single PBI-based high
temperature MEAs doped with phosphoric acid. The study is carried out by operating the …

Electrochemical impedance spectroscopy (EIS) is a well-established method to analyze a
polymer electrolyte membrane fuel cell (PEMFC). However, without further data processing …

The degradation pathway of phosphoric acid doped polybenzimidazole membranes in high
temperature polymer electrolyte membrane fuel cells depends on the acid contents. If it is …

The application of high-temperature proton exchange membrane fuel cells (HT-PEMFCs)
addresses challenges in water management, fuel purity, and overheating under high current …

Since the high temperature proton exchange membrane fuel cells (HT-PEMFC) stack
require a range of auxiliary equipments to maintain operating conditions, it is necessary to …

The use of thin polybenzimidazole membranes in high-temperature polymer electrolyte
membrane fuel cells is explored. Membranes in thickness of 10–40 μm are prepared, doped …