In this article, we review the neutron imaging techniques that have been used to visualise
liquid water in PEM fuel cells. A list of the various facilities engaged in this research is …

This review summarizes the history of neutron imaging with a focus on the significant events
and technical advancements in neutron imaging methods, from the first radiograph to more …

Water is the main product of the electrochemical reaction in a proton exchange membrane
(PEM) fuel cell. Where the water is produced over the active area of the cell, and how it …

Tesla-type check valves were integrated into a flat-plate oscillating heat pipe (FP-OHP) in
order to promote and sustain a desired circulatory flow to increase overall thermal …

A prominent technology for green hydrogen generation is the polymer electrolyte membrane
(PEM) electrolyzer. However, the energy efficiency of PEM electrolyzers must improve …

Water content and dynamics were characterized and compared in situ by simultaneous
neutron and optical imaging for three PEM fuel cell flow fields: parallel, serpentine, and …

An interdigitated cathode flow field has been tested in situ with neutron radiography to
measure the water transport through the porous gas diffusion layer in a PEM fuel cell …

Energy-selective neutron radiography experiments were carried out at the ISIS pulsed
spallation source. This neutron transmission imaging technique combines the hardware …

A new high-resolution detector setup for neutron imaging has been developed based on
infinity-corrected optics with high light collection, combined with customized mounting …

The construction of the new neutron imaging instrument at the BER-2 research reactor of the
Helmholtz-Zentrum Berlin has greatly increased the potential of the facility. The redesign of …