X Yuan, H Wang, JC Sun, J Zhang - International Journal of Hydrogen …, 2007 - Elsevier
Because the AC impedance technique, also known as electrochemical impedance spectroscopy (EIS), is being utilized by more and more researchers in proton exchange …
Fuel cell systems have now reached a degree of technological maturity and appear destined to form the cornerstone of future energy technologies. But the rapid advances in fuel cell …
S Slade, SA Campbell, TR Ralph… - Journal of the …, 2002 - iopscience.iop.org
The proton conductivity of a series of extruded Nafion membranes [of equivalent weight (EW) of 1100 and nominal dry thickness of 51, 89, 127, and 178 μm] has been studied …
J Wu, XZ Yuan, H Wang, M Blanco, JJ Martin… - International journal of …, 2008 - Elsevier
To meet the power density, reliability, and cost requirements that will enable a widespread use of fuel cells, many research activities focus on an understanding of the thermodynamics …
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 …
TR Ralph, GA Hards, JE Keating… - Journal of the …, 1997 - iopscience.iop.org
For widespread exploitation of proton exchange membrane fuel cells (PEMFCs) the cost of the stack must be reduced, and the performance per unit volume increased. Significant cost …
IS Hussaini, CY Wang - Journal of Power Sources, 2009 - Elsevier
An understanding of two-phase flow mechanisms in micro-channels is critical to water management in fuel cell applications. In this work, an in situ visualization study of cathode …
KR Cooper, M Smith - Journal of Power Sources, 2006 - Elsevier
The principles and trade-offs of four electrical test methods suitable for on-line measurement of the ohmic resistance (RΩ) of fuel cells is presented: current interrupt, AC resistance, high …
FN Büchi, GG Scherer - Journal of the Electrochemical Society, 2001 - iopscience.iop.org
The in situ resistance of Nafion membranes with different thickness was measured in one- dimensional fuel cells as a function of current density. Except for the thin Nafion 112 …