scholarly journals Guest Molecule-Responsive Functional Calcium Phosphonate Frameworks for Tuned Proton Conductivity

2014 ◽  
Vol 136 (15) ◽  
pp. 5731-5739 ◽  
Author(s):  
Montse Bazaga-García ◽  
Rosario M. P. Colodrero ◽  
Maria Papadaki ◽  
Piotr Garczarek ◽  
Jerzy Zoń ◽  
...  
Keyword(s):  
Proton Conductivity ◽  
Guest Molecule

Proton Conductivity of Niobium Phosphate Glass Thin Films

2018 ◽  
Vol 28 (5) ◽  
pp. 308-314
Author(s):  
Dae Ho Kim ◽  
Sung Bum Park ◽  
Yong-il Park
Keyword(s):  
Thin Films ◽  
Proton Conductivity ◽  
Phosphate Glass ◽  
Niobium Phosphate

High proton conductivity in a nickel(ii) complex and its hybrid membrane

2019 ◽  
Vol 48 (6) ◽  
pp. 2190-2196 ◽  
Author(s):  
Shuai-Liang Yang ◽  
Yue-Ying Yuan ◽  
Fei Ren ◽  
Chen-Xi Zhang ◽  
Qing-Lun Wang
Keyword(s):  
Hydrogen Bond ◽  
Proton Conductivity ◽  
Hybrid Membrane ◽  
Water Molecules ◽  
Hybrid Membranes ◽  
High Proton Conductivity ◽  
High Proton ◽  
Hydrogen Bond Networks

A novel 2D nickel(ii) complex (1) has been successfully synthesized using a 2,2′-bipyridyl, polycarboxylsulfonate ligand H4SBTC and Ni2+ ions. Owing to the presence of abundant water molecules, hydrogen bond networks and other protons, 1 and its hybrid membranes demonstrate high proton conductivity.

High temperature phase transitions and proton conductivity in some kdp-family crystals

1989 ◽  
Vol 100 (1) ◽  
pp. 135-141 ◽  
Author(s):  
A. I. Baranov ◽  
V. P. Khiznichenko ◽  
L. A. Shuvalov
Keyword(s):  
Phase Transitions ◽  
High Temperature ◽  
Proton Conductivity ◽  
High Temperature Phase ◽  
Temperature Phase

‘Proton Escalator’ PEI and Phosphotungstic Acid Constructing a Nanofiber Membrane with Remarkable Proton Conductivity

2021 ◽  
Author(s):  
Xiuwei Sun ◽  
Shumei Liu ◽  
Qingyin Wu ◽  
Shan Zhang ◽  
Hong-Rui Tian ◽  
...  
Keyword(s):  
Proton Conductivity ◽  
Phosphotungstic Acid ◽  
Proton Conduction ◽  
High Density ◽  
Nanofiber Membrane ◽  
New Type ◽  
High Flexibility

Polyethyleneimine (PEI) is expected to become a new type of proton conduction booster due to its high density amine and extremely high flexibility. Herein, a nanofiber membrane (eHPW-PEI) composed of...

Electron transfers in graphitized HZSM-5 zeolite

2020 ◽  
Author(s):  
Alain Moissette ◽  
Isabelle Gener-Batonneau ◽  
Matthieu Hureau ◽  
Ludovic Pinard ◽  
Hervé Vezin ◽  
...  
Keyword(s):  
Guest Molecule ◽  
Zeolite P ◽  
Electron Transfers

In the present work, we report the electron transfers occurring after ionization of the guest molecule of t-stilbene incorporated in graphitized HZSM-5 zeolite and we compare these results with the...

scholarly journals Hydrogen Inter-Cage Hopping and Cage Occupancies inside Hydrogen Hydrate: Molecular-Dynamics Analysis

2020 ◽  
Vol 11 (1) ◽  
pp. 282
Author(s):  
Yogeshwaran Krishnan ◽  
Mohammad Reza Ghaani ◽  
Arnaud Desmedt ◽  
Niall J. English
Keyword(s):  
Molecular Dynamics ◽  
Energy Barrier ◽  
Guest Molecule ◽  
Arrhenius Equation ◽  
Dynamics Simulation ◽  
Type Ii ◽  
Large Cage ◽  
Guest Molecules ◽  
Simulation Time ◽  
Average Occupancy

The inter-cage hopping in a type II clathrate hydrate with different numbers of H2 and D2 molecules, from 1 to 4 molecules per large cage, was studied using a classical molecular dynamics simulation at temperatures of 80 to 240 K. We present the results for the diffusion of these guest molecules (H2 or D2) at all of the different occupations and temperatures, and we also calculated the activation energy as the energy barrier for the diffusion using the Arrhenius equation. The average occupancy number over the simulation time showed that the structures with double and triple large-cage H2 occupancy appeared to be the most stable, while the small cages remained with only one guest molecule. A Markov model was also calculated based on the number of transitions between the different cage types.

scholarly journals Sulfonated poly(arylene ether sulfone) functionalized polysilsesquioxane hybrid membranes with enhanced proton conductivity

e-Polymers ◽  
2020 ◽  
Vol 20 (1) ◽  
pp. 430-442 ◽  
Author(s):  
Rajdeep Mukherjee ◽  
Arun Kumar Mandal ◽  
Susanta Banerjee
Keyword(s):  
Proton Conductivity ◽  
Sol Gel ◽  
Composite Membranes ◽  
Casting Technique ◽  
Force Microscopy ◽  
Arylene Ether ◽  
Transmission Electron ◽  
Uniform Dispersion ◽  
Solution Casting Technique ◽  
Sulfonated Poly

AbstractSulfopropylated polysilsesquioxane and –COOH containing fluorinated sulfonated poly(arylene ether sulfone) composite membranes (SPAES-SS-X) have been prepared via an in situ sol–gel reaction through the solution casting technique. The composite membranes showed excellent thermal and chemical stability, compared to the pristine SPAES membrane. The uniform dispersion of the sulfonated SiOPS nanoparticles on the polymer matrix was observed from the scanning electron microscope images. Atomic force microscopy and transmission electron microscopy images indicated significantly better phase-separated morphology and connectivity of the ionic domains of the composite membranes than the pristine SPAES membrane. The composite membranes showed considerable improvement in proton conductivity and oxidative stability than the pristine copolymer membrane under similar test conditions.

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