Results 61 to 70 of about 888,007 (201)

Facile construction of polyoxometalate-modified polyaryletherketone-based hybrid membranes with enhanced proton conductivity

open access: yesPolyoxometalates
The development of novel proton exchange membranes (PEMs) with high proton conductivity and good mechanical performance as alternatives to Nafion is crucial.
Bo Hu   +9 more
doaj   +1 more source

Magnetic field alignment of stable proton-conducting channels in an electrolyte membrane

open access: yesNature Communications, 2019
Proton exchange membranes with short-pathway through-plane proton conductivity are attractive for proton exchange membrane fuel cells. Here the authors align proton conducting channels orthogonal to the plane of composite proton exchange membranes using ...
Xin Liu   +12 more
doaj   +1 more source

Effects of γ-Ray Irradiation on Electrical and Physico-Chemical Properties of Sulfonated PVDF-HFP/1H-1,2,4-Triazole Proton Conducting Membranes

open access: yesInternational Journal of Electrochemical Science, 2012
A new material for proton conducting electrolyte base on sulfonated poly(vinylidene flouride-hexafluoropropylene) (PVDF-HFP)/1H-1,2,4-Triazole (TriA) membrane operating at low relative humidity and has capability to self-humidify were investigated ...
A. Lepit   +5 more
doaj   +1 more source

Sulfonated aromatic ionomers: Analysis of proton conductivity and proton mobility

open access: yes, 2012
Recent progress on proton-conducting Sulfonated Aromatic Polymers is reviewed, including composite and cross-linked ionomers. Proton conductivity and water uptake, studied as function of relative humidity, can be combined to calculate the effective ...
Knauth, P   +3 more
core   +1 more source

Proton-Conductive Cerium-Based MetalOrganic Frameworks

open access: yes, 2021
In this study, proton-conducting behaviors of a cerium-based metal–organic framework (MOF), Ce-MOF-808, its zirconium-based isostructural MOF, and bimetallic MOFs with various Zr-to-Ce ratios are investigated.
Chung-Wei Kung (1395898)   +13 more
core   +1 more source

High-temperature proton exchange membranes with tunable acidity of phosphonic acid groups by incorporating zwitterionic aromatic moieties

open access: yesNPG Asia Materials
The electrochemical performance and durability of high-temperature proton exchange membranes (HT-PEMs) are critically influenced by the effective distribution of proton conductors, electrolyte retention, and interfacial compatibility.
Xiaofeng Hao   +6 more
doaj   +1 more source

Proton-Conductivity Enhancement in Polymer Thin Films [PDF]

open access: yes, 2017
Highly proton-conductive polymers have long attracted the attention of researchers for use in energy conversion, sensors, catalysts, and other applications.
Nagao, Yuki, Yuki Nagao
core   +1 more source

Anhydrous Proton Conductivity in HAp-Collagen Composite

open access: yes, 2022
It is well known that a proton conductor is needed as an electrolyte of hydrogen fuel cells, which are attracting attention as an environmentally friendly next-generation device.
Yasumitsu Matsuo, Tomoki Furuseki
core   +1 more source

Obtenção e caracterização de compósitos de poli (éter-éter-cetona) sulfonado/níquel-fósforo com condução protônica e elétrica [PDF]

open access: yes, 2012
Dissertação (mestrado) - Universidade Fderal de Santa Catarina, Centro Tecnologico, Programa de Pós-Graduação em Ciências e Engenharia de Materiais, Florianópolis, 2010O estudo e desenvolvimento de compósitos metal-polímero representa uma alternativa ...
Käfer, Karine Andrea
core  

Proton conductivity in ampullae of Lorenzini jelly [PDF]

open access: yes, 2016
In 1678, Stefano Lorenzini first described a network of organs of unknown function in the torpedo ray—the ampullae of Lorenzini (AoL). An individual ampulla consists of a pore on the skin that is open to the environment, a canal containing a jelly and ...
Josberger, Erik E.   +9 more
core   +1 more source

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