Acid oxygen evolution reaction: Mechanisms, design principles, and prospects for application in membrane electrodes

Z Liu, X Wang, G Xie, J Ge - Chemical Engineering Journal, 2024 - Elsevier
The sluggish kinetics of acidic oxygen evolution reaction (OER) and high iridium (Ir) are the
main challenges for proton exchange membrane water electrolyze (PEMWE). Numerous …

Combined effects of Pt/C ratio and relative humidity on the performance and gas distribution quality of PEMFC with graded ionomer distribution

R Ding, Y Cheng, X Fan, N Wang, L Zhang - International Journal of …, 2024 - Elsevier
Abstract Relative humidity (RH), platinum-to-carbon (Pt/C) ratio, and ionomer content
considerably affect the mass and proton transport of proton exchange membrane fuel cells …

Fundamental and Practical Aspects of Break‐In/Conditioning of Proton Exchange Membrane Fuel Cells

M Kostelec, M Gatalo, N Hodnik - The Chemical Record, 2024 - Wiley Online Library
Proton exchange membrane fuel cells (PEMFCs) have proven to be a promising power
source for various applications ranging from portable devices to automotive and stationary …

Liquid Water Visualization in the Pt‐Loading Cathode Catalyst Layers of Polymer Electrolyte Fuel Cells Using Operando Synchrotron X‐ray Radiography

W Yoshimune, A Kato, T Hayakawa… - Advanced Energy …, 2024 - Wiley Online Library
Water management is important for addressing the challenges posed by next‐generation
fuel cell electric vehicles. Although X‐ray imaging techniques are useful for probing the …

Surface Decoration of Platinum Catalysts by ZrO2–x Nanoclusters for Durable Fuel Cell Applications

N Ramaswamy, Z Shi, B Zulevi, G McCool… - ACS …, 2024 - ACS Publications
Improving the activity and durability of carbon-supported platinum catalysts for the oxygen-
reduction reaction (ORR) in acidic electrolytes is crucial to reducing the high overpotentials …

Engineered Catalyst Support with Improved Durability at Higher Weight Percentage of Platinum

N Ramaswamy, B Zulevi, G McCool… - Journal of the …, 2023 - iopscience.iop.org
Abstract Proton Exchange Membrane (PEM) fuel cells are a suitable electrochemical power
source for heavy duty vehicle (HDV) applications due to their high efficiency and durability …

Water Condensation in the Nanoscale Pores of Pt/C Catalyst Particles and Its Impact on Catalyst Utilization: A Simulation Based on a Reconstructed Structure from …

CJC Otic, S Katayama, M Arao… - … Applied Materials & …, 2024 - ACS Publications
In polymer electrolyte membrane fuel cells, carbon-supported platinum (Pt/C) catalyst
particles require sufficient water condensation within the nanoscale pores to effectively …

Effect of conductive polyaniline on the cationic and anionic dye adsorption properties of amphoteric alginate/chitosan composite foams

W Liu, T Lou, X Wang - Journal of Environmental Chemical Engineering, 2024 - Elsevier
Doped polyaniline is a widely used conductive material and could be used for adsorption
based on the electrostatic neutralization effect through the protonation of the imine group …

Liquid Water Visualization in the Pt-Loading Catalyst Layers of Polymer Electrolyte Fuel Cells Using Operando Synchrotron X-ray Radiography

W Yoshimune, A Kato, T Hayakawa, S Yamaguchi… - 2024 - chemrxiv.org
Water management is important for addressing the challenges posed by next-generation
fuel cell electric vehicles. Although X-ray imaging techniques are useful for probing the …