Results 31 to 40 of about 1,007 (177)

A Review of Recent Developments and Advanced Applications of High-Temperature Polymer Electrolyte Membranes for PEM Fuel Cells

open access: yesEnergies, 2021
This review summarizes the current status, operating principles, and recent advances in high-temperature polymer electrolyte membranes (HT-PEMs), with a particular focus on the recent developments, technical challenges, and commercial prospects of the HT-
Khadijeh Hooshyari   +5 more
doaj   +1 more source

Study of Innovative GO/PBI Composites as Possible Proton Conducting Membranes for Electrochemical Devices

open access: yesMembranes, 2023
The appeal of combining polybenzimidazole (PBI) and graphene oxide (GO) for the manufacturing of membranes is increasingly growing, due to their versatility. Nevertheless, GO has always been used only as a filler in the PBI matrix.
Matteo Di Virgilio   +4 more
doaj   +1 more source

CNF-supported Platinum Electrocatalysts Synthesized Using Plasma-Assisted Sputtering in Pulse Conditions for the Application in a High-Temperature PEM Fuel Cell

open access: yesInternational Journal of Electrochemical Science, 2016
Nanostructured platinum catalysts for a high-temperature proton-exchange membrane (PEM) fuel cell based on polybenzimidazole (PBI) doped by H3PO4 were synthesized by magnetron-ion sputtering of platinum on carbon nano-fibers (CNF) in an impulse mode. The
Sergey A. Grigoriev   +6 more
doaj   +1 more source

Ionic Liquid in Phosphoric Acid-Doped Polybenzimidazole (PA-PBI) as Electrolyte Membranes for PEM Fuel Cells: A Review

open access: yesMembranes, 2021
Increasing world energy demand and the rapid depletion of fossil fuels has initiated explorations for sustainable and green energy sources. High-temperature polymer electrolyte membrane fuel cells (HT-PEMFCs) are viewed as promising materials in fuel ...
Leong Kok Seng   +2 more
doaj   +1 more source

Proton Conductivity Enhancement at High Temperature on Polybenzimidazole Membrane Electrolyte with Acid-Functionalized Graphene Oxide Fillers

open access: yesMembranes, 2022
Graphene oxide (GO) and its acid-functionalized form are known to be effective in enhancing the proton transport properties of phosphoric-acid doped polybenzimidazole (PA-doped PBI) membranes utilized in high-temperature proton exchange membrane fuel ...
Raja Rafidah Raja Sulaiman   +4 more
doaj   +1 more source

Metal-coordinated polybenzimidazole membranes with preferential K+ transport. [PDF]

open access: yesNat Commun, 2023
Membranes with fast and selective ion transport are essential for electrochemical processes. Here the authors provide mechanistic insights into the structures of metal-ion coordinated polybenzimidazole membranes and the preferential K+ transport, and ...
Wu J   +7 more
europepmc   +2 more sources

Self-Phosphorylated Polybenzimidazole: An Environmentally Friendly and Economical Approach for Hydrogen/Air High-Temperature Polymer-Electrolyte Membrane Fuel Cells

open access: yesMembranes, 2023
The development of phosphorylated polybenzimidazoles (PBI) for high-temperature polymer–electrolyte membrane (HT-PEM) fuel cells is a challenge and can lead to a significant increase in the efficiency and long-term operability of fuel cells of this type.
Igor I. Ponomarev   +9 more
doaj   +1 more source

Polybenzimidazole functionalized electrolyte with Li‐wetting and self‐fluorination functionalities for practical Li metal batteries

open access: yesInfoMat, 2022
Rough Li plating, low ionic conductivity, and low thermal stability of conventional electrolytes post‐primary challenges for achieving reliable high‐capacity rechargeable lithium batteries, for which lithium metal is frequently proposed as the most ...
Dongjiang Chen   +10 more
doaj   +1 more source

The vertical architecture of parallel flow field high temperatures proton exchange membrane fuel cell and its effects on the consumption of reactants and products

open access: yesRevue des Énergies Renouvelables
In this paper, we investigate the efficiency and, to minimize the size of high-temperature polymer electrolyte membrane fuel cells (HT-PEMFC), the consumption and distribution of reactants O2 and H2 in channels, as well as the products of a vertical ...
Youcef Aouabdia   +2 more
doaj   +1 more source

Preparation of Polybenzimidazole Hollow-Fiber Membranes for Reverse Osmosis and Nanofiltration by Changing the Spinning Air Gap

open access: yesMembranes, 2018
High-performance polybenzimidazole (PBI) hollow-fiber membranes (HFMs) were fabricated through a continuous dry-jet wet spinning process at SRI International.
Xiao Wang   +7 more
doaj   +1 more source

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