Results 11 to 20 of about 1,007 (177)

Platinum Nanoparticles Immobilized on Electrospun Membranes for Catalytic Oxidation of Volatile Organic Compounds. [PDF]

Membranes (Basel), 2023
Structured catalytic membranes with high porosity and a low pressure drop are particularly suitable for industrial processes carried out at high space velocities.
Soukup K, Topka P, Kupčík J, Solcova O.   +3 more
europepmc   +2 more sources

Improving the Separation Properties of Polybenzimidazole Membranes by Adding Acetonitrile for Organic Solvent Nanofiltration. [PDF]

Membranes (Basel), 2023
In research on membranes, the addition of co-solvents to the polymer dope solution is a common method for tuning the morphology and separation performance.
Won GY, Park A, Yoo Y, Park YI, Lee JH, Kim IC, Cho YH, Park H.   +7 more
europepmc   +2 more sources

Nanostructured POSS Crosslinked Polybenzimidazole with Free Radical Scavenging Function for High-Temperature Proton Exchange Membranes. [PDF]

Nanomaterials (Basel)
High-temperature proton exchange membranes (HT-PEMs) are critical components of high-temperature fuel cells, facilitating proton transport and acting as a barrier to fuel and electrons; however, their performance is hampered by persistent issues of ...
Meng C, Hao X, Wang S, Han D, Huang S, Li J, Xiao M, Meng Y.   +7 more
europepmc   +2 more sources

Protic ionic liquid-grafted polybenzimidazole as proton conducting catalyst binder for high-temperature proton exchange membrane fuel cells

Polymer Testing, 2021
Development of suitable catalyst binder with reasonable proton conductivity is of great importance for improving catalytic performance of oxygen reduction reactions of platinum-based catalysts. Herein, we report that polybenzimidazole grafted with protic
Jingjing Guo, Ailian Wang, Wenxi Ji, Taoyi Zhang, Haolin Tang, Haining Zhang   +5 more
doaj   +1 more source

Experimental Analysis of Catalyst Layer Operation in a High-Temperature Proton Exchange Membrane Fuel Cell by Electrochemical Impedance Spectroscopy

Energies, 2023
High-temperature proton exchange membrane fuel cells (HT-PEMFC) directly convert hydrogen and oxygen to produce electric power at a temperature significantly higher than conventional low-temperature fuel cells.
Andrea Baricci, Andrea Casalegno
doaj   +1 more source

Supercapacitor Cell Performance with Bacterial Nanocellulose and Bacterial Nanocellulose/Polybenzimidazole Impregnated Membranes as Separator. [PDF]

Membranes (Basel)
Supercapacitors are advanced energy storage devices renowned for their rapid energy delivery and long operational lifespan, making them indispensable across various industries.
Penchev H, Ivanova G, Hubenov V, Boyadzieva I, Budurova D, Ublekov F, Gigova A, Stoyanova A.   +7 more
europepmc   +2 more sources

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

Nanomaterials, 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, Min Xiao, Dongmei Han, Sheng Huang, Zhiheng Huang, Wei Liu, Shuanjin Wang, Yuezhong Meng   +7 more
doaj   +1 more source

Modifications on Promoting the Proton Conductivity of Polybenzimidazole-Based Polymer Electrolyte Membranes in Fuel Cells

Membranes, 2021
Hydrogen-air proton exchange membrane fuel cells (PEMFCs) and direct methanol fuel cells (DMFCs) are excellent fuel cells with high limits of energy density.
Junyu Chen, Jiamu Cao, Rongji Zhang, Jing Zhou, Shimin Wang, Xu Liu, Tinghe Zhang, Xinyuan Tao, Yufeng Zhang   +8 more
doaj   +1 more source

KOH-doped Porous Polybenzimidazole Membranes for Solid Alkaline Fuel Cells

Energies, 2020
In this study the preparation and properties of potassium hydroxide-doped meta-polybenzimidazole membranes with 20−30 μm thickness are reported as anion conducting polymer electrolyte for application in fuel cells. Dibutyl phthalate as porogen
Jong-Hyeok Park, Jin-Soo Park
doaj   +1 more source

Enhancement of the Green H₂ Production by Using TiO₂ Composite Polybenzimidazole Membranes

Nanomaterials, 2022
This study reports the hydrogen production using TiO2 based composite polybenzimidazole membranes through the SO2 depolarized electrolysis that requires lower energy input than the direct water electrolysis.
Sergio Díaz-Abad, Manuel A. Rodrigo, Cristina Sáez, Justo Lobato   +3 more
doaj   +1 more source