Real-time detection of flooding in polymer electrolyte membrane fuel cells using high-frequency electrochemical impedance

H Choi, H Jang, J Kim, O Kwon, H Yoo, H Cha… - Journal of Power …, 2023 - Elsevier
Water management is essential to achieve guaranteed performance and durability of
polymer electrolyte membrane fuel cells (PEMFCs), and to this end, accurate prognostics …

Enhanced water retention in carbon nanotube sheets-sandwiched gas diffusion layer in polymer electrolyte membrane fuel cells operated under low humidity …

Y So, O Kwon, S Jeong, J Kim, J Moon, J Park… - Journal of Power …, 2023 - Elsevier
This study introduces the polymer electrolyte membrane fuel cell (PEMFC) using
sandwiched-carbon nanotube (CNT) sheets into the gas diffusion layer (GDL). The CNT …

Hierarchical Carbon Nanotube Hybrid Films Modified Gas Diffusion Layer for High-Performance Proton-Exchange Membrane Fuel Cells

XF Zhang, YT Liu, H Song, TT Yao, Q Liu… - ACS Sustainable …, 2023 - ACS Publications
The functional gas diffusion layer (GDL), serving as a water–gas transfer control medium,
significantly influences the performance of proton-exchange membrane fuel cells (PEMFCs) …

Current Progress of Carbon Nanotubes Applied to Proton Exchange Membrane Fuel Cells: A Comprehensive Review

O Kwon, J Park, G Park, S Yang, T Park - International Journal of Precision …, 2024 - Springer
Fuel cells are promising electrochemical energy conversion devices with eco-friendliness
and sustainability, while challenges have remained depending on their components …

Design Strategies for High Performance of Proton Exchange Fuel Cells with Ti‐Sputtered Carbon Nanotube Sheet Functional Layer

H Oh, J Park, G Park, J Baek, J Youn… - Advanced Functional …, 2025 - Wiley Online Library
Optimizing both performance and stability under varying relative humidity (RH) conditions is
crucial for proton exchange membrane fuel cells (PEMFCs). Therefore, effective …

Improved Performance of High‐Temperature Proton Exchange Membrane Fuel Cells by Purified CNT Nanoporous Sheets

O Kwon, S Yang, BH Kang, J Park… - Advanced Functional …, 2024 - Wiley Online Library
Given environmental friendliness, high‐temperature proton exchange membrane fuel cells
(HT‐PEMFCs) can be the alternative power source for clean power generation. However …

High platinum utilization for proton exchange membrane fuel cells via low-temperature substrate sputtering on acid-treated carbon nanotube sheet

S Jeong, O Kwon, H Yoo, J Kim, H Choi, Y So… - Chemical Engineering …, 2023 - Elsevier
Low-temperature substrate sputtering on an acid-treated carbon nanotube (ATCNT) sheet
result in high platinum (Pt) utilization. A thin catalyst layer (CL,∼ 300 nm) with a high density …

Constructing highly durable proton transport channels in polybenzimidazole membranes using highly stable porous carbonized metal organic frameworks

G Wei, J Huang, R Zhu, W Zhang, L Wang - Materials Today Chemistry, 2024 - Elsevier
The use of porous materials to construct proton transport channels in high-temperature
proton exchange membranes (HT-PEMs) is an effective strategy for improving cell …

Latest Advancements in Carbon Nanotube (CNT) Applications for Enhancing the Mechanical and Electrical Properties in PEMFC Components

J Santana-Villamar, MJ Torres… - 2023 IEEE …, 2023 - ieeexplore.ieee.org
Nanostructured materials like carbon nanotubes (CNTs) are being extensively investigated
owing to their exceptional mechanical and electrical properties. The present work highlights …