Nafion is one of the polymer materials used as polymer electrode membrane (PEM) for fuel
cells. However, the electrochemical reaction and water management processes that occur at …

This article provides a comprehensive and up-to-date perspective of the understanding of
perfluorosulfonic acid (PFSA) fuel cell membrane degradation phenomena, reviews key …

Water electrolysis is considered as an important technology for an increased renewable
energy penetration. This perspective on low-temperature water electrolysis joins the dots …

Cation exchange membranes (CEMs) have attracted tremendous attention in
electrochemical energy conversion and storage systems owing to their high proton …

Cost, durability, performance, reliability, efficiency, and size are some of the requirements
that must be met before proton exchange membrane (PEM) fuel cells can be used more …

Formation of radicals, such as HO•, H• and HOO•, in the membrane of the polymer
electrolyte fuel cell and their attack on perfluoroalkylsulfonic acid (PFSA) and poly …

The recovery of performance losses in polymer electrolyte membrane fuel cells due to
reversible degradation phenomena is an important topic to enable high system efficiency …

A detailed thermochemical and kinetic analysis of PFSA ionomers and the reactive oxygen
species formed in an operating fuel cell is reported. The analysis reveals that hydroxyl …

Cerium and manganese ions are very effective reversible VFDYHQJHUV RI 2+ LQ an
operating PFSA-based PEM fuel cell. The use of these ions in very small quantities can …

Controlling the activity of water in the reactant streams is critical both to the design of fuel–
cell systems and to the useable life of membrane separators. In this study, fuel–cell durability …