Results 1 to 10 of about 38,234 (262)

3D Network Structural Poly (Aryl Ether Ketone)-Polybenzimidazole Polymer for High-Temperature Proton Exchange Membrane Fuel Cells [PDF]

open access: yesAdvances in Polymer Technology, 2020
Poor mechanical property is a critical problem for phosphoric acid-doped high-temperature proton exchange membranes (HT-PEMs). In order to address this concern, in this work, a 3D network structural poly (aryl ether ketone)-polybenzimidazole (PAEK-cr-PBI)
Junqiao Jiang   +5 more
doaj   +2 more sources

Strategies for Mitigating Phosphoric Acid Leaching in High-Temperature Proton Exchange Membrane Fuel Cells [PDF]

open access: yesMolecules
High-temperature proton exchange membrane fuel cells (HT-PEMFCs) have become one of the important development directions of PEMFCs because of their outstanding features, including fast reaction kinetics, high tolerance against impurities in fuel, and ...
Zhongming Xu   +6 more
doaj   +2 more sources

Real-Time Monitoring of the Temperature, Flow, and Pressure Inside High-Temperature Proton Exchange Membrane Fuel Cells [PDF]

open access: yesMicromachines, 2022
The proton exchange membrane fuel cell (PEMFC) system is a highly efficient and environmentally friendly energy conversion technology. However, the local temperature, flow, and pressure inhomogeneity within the fuel cell during the electrochemical ...
Chi-Yuan Lee   +4 more
doaj   +2 more sources

Patterned Ion‐Pair Membrane for High‐Temperature Proton‐Exchange Membrane Fuel Cells

open access: yesSmall Structures
Despite the many advantages of catalyst‐coated membranes (CCMs), there have been few studies of the use of CCMs to construct membrane‐electrode assemblies (MEAs) for high‐temperature polymer‐electrolyte membrane fuel cells (HT‐PEMFCs) using phosphoric ...
Sanghyeok Lee   +7 more
doaj   +2 more sources

Numerical investigation of high-temperature proton exchange membrane fuel cell conductivity at different parameters [PDF]

open access: yesScientific Reports
This study uses the finite element technique to analyse a multi-dimensional model for a polyelectrolyte membrane fuel cell at high working temperature. A computational fluid dynamics (CFD) technique implements and solves this model.
A. Samir   +3 more
doaj   +2 more sources

Grafting of Amine End-Functionalized Side-Chain Polybenzimidazole Acid–Base Membrane with Enhanced Phosphoric Acid Retention Ability for High-Temperature Proton Exchange Membrane Fuel Cells [PDF]

open access: yesMolecules
A high phosphoric acid uptake and retention capacity are crucial for the high performance and stable operation of phosphoric acid/polybenzimidazole (PA/PBI)-based high-temperature proton exchange membranes.
Guoliang Liu   +5 more
doaj   +2 more sources

Research progress of high temperature proton exchange membranes applied in fuel cells

open access: yesCailiao gongcheng, 2021
The fuel cell technology is a highly-efficient clean energy technology which can alleviate the power and environmental problems. Proton exchange membrane fuel cell (PEMFC) is an important type of fuel cell, of which proton exchange membrane is the key ...
SUN Peng   +6 more
doaj   +1 more source

Proton exchange polyionic liquid-based membrane fuel cell applications

open access: yesResults in Engineering, 2022
Proton-exchange membrane fuel cells (PEMFC) are a potential technology for renewable energy sources. PEMFC operating at higher temperatures provides numerous advantages, including increased power density, durability, and the use of higher purity hydrogen
Megawati Zunita   +3 more
doaj   +1 more source

Effects of temperature and cathode humidity on performance of PEM full cell

open access: yesXibei Gongye Daxue Xuebao, 2023
The performance of proton exchange membrane fuel cells (PEMFCs) is significantly influenced by their temperature and cathode humidity, as they affect power density and internal water distribution.
MA Jing   +4 more
doaj   +1 more source

A Novel High Temperature Fuel Cell Proton Exchange Membrane with Nanoscale Phase Separation Structure Based on Crosslinked Polybenzimidazole with Poly(vinylbenzyl chloride)

open access: yesNanomaterials, 2023
A semi-aromatic polybenzimidazole (DPBI) is synthesized via polycondensation of decanedioic acid (DCDA) and 3,3-diaminobenzidine (DAB) in a mixed phosphorus pentoxide/methanesulfonic acid (PPMA) solvent. Ascribing to in-situ macromolecular crosslinker of
Erli Qu   +7 more
doaj   +1 more source

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