Critical review—experimental diagnostics and material characterization techniques used on redox flow batteries

YA Gandomi, DS Aaron, JR Houser… - Journal of The …, 2018 - iopscience.iop.org
Grid-scale energy storage systems are of interest as the world increases reliance on
renewable energy sources. Redox flow batteries are a type of grid-scale energy storage …

Neutron imaging of hydrogen-rich fluids in geomaterials and engineered porous media: A review

E Perfect, CL Cheng, M Kang, HZ Bilheux… - Earth-Science …, 2014 - Elsevier
Recent advances in visualization technologies are providing new discoveries as well as
answering old questions with respect to the phase structure and flow of hydrogen-rich fluids …

Beyond catalysis and membranes: visualizing and solving the challenge of electrode water accumulation and flooding in AEMFCs

TJ Omasta, AM Park, JM LaManna, Y Zhang… - Energy & …, 2018 - pubs.rsc.org
A majority of anion exchange membrane fuel cells (AEMFCs) reported in the literature have
been unable to achieve high current or power. A recently proposed theory is that the …

Characterization techniques for gas diffusion layers for proton exchange membrane fuel cells–A review

A Arvay, E Yli-Rantala, CH Liu, XH Peng, P Koski… - Journal of Power …, 2012 - Elsevier
The gas diffusion layer (GDL) in a proton exchange membrane fuel cell (PEMFC) is one of
the functional components that provide a support structure for gas and water transport. The …

Two-phase flow in a proton exchange membrane electrolyzer visualized in situ by simultaneous neutron radiography and optical imaging

OF Selamet, U Pasaogullari, D Spernjak… - International Journal of …, 2013 - Elsevier
In proton exchange membrane (PEM) electrolyzers, oxygen evolution in the anode and
flooding due to water cross-over in the cathode yields two distinct two-phase transport …

Convolutional neural network analysis of radiography images for rapid water quantification in PEM fuel cell

Y Pang, L Hao, Y Wang - Applied Energy, 2022 - Elsevier
Polymer electrolyte membrane (PEM) fuel cells produce water as a byproduct, which, if not
properly managed, will cause electrode “flooding” and consequently performance loss …

Expansion of lithium ion pouch cell batteries: observations from neutron imaging

JB Siegel, AG Stefanopoulou, P Hagans… - Journal of the …, 2013 - iopscience.iop.org
The expansion of battery material during lithium intercalation is a concern for the cycle life
and performance of lithium ion batteries. In this paper, electrode expansion is quantified …

Synchrotron X-ray tomography for investigations of water distribution in polymer electrolyte membrane fuel cells

P Krüger, H Markötter, J Haußmann, M Klages… - Journal of Power …, 2011 - Elsevier
Synchrotron X-ray tomography is used to visualize the water distribution in gas diffusion
layers (GDL) and flow field channels of a polymer electrolyte membrane fuel cell (PEMFC) …

Neutron imaging of lithium concentration in LFP pouch cell battery

JB Siegel, X Lin, AG Stefanopoulou… - Journal of the …, 2011 - iopscience.iop.org
This paper shows how neutron radiography can be used for in situ quantification of the
lithium concentration across battery electrodes, a critical physical system state. The change …

Electrical resistance tomography to monitor unsaturated moisture flow in cementitious materials

M Hallaji, A Seppänen, M Pour-Ghaz - Cement and Concrete Research, 2015 - Elsevier
Traditionally the electrically-based assessment of the moisture flow in cement-based
materials relies on two-or four-point measurements. In this paper, imaging of moisture …