Results 51 to 60 of about 186,186 (186)

Current Density Performances in Poly Ether Ether Keton Membrane for Direct Methanol Fuel Cells [PDF]

open access: yes, 2012
The objective of this study focuses on the characterization of poly ether ether ketone (PEEK) membranes for direct methanol fuel cells (DMFC) application. The PEEK membrane was modified with sulfonation in NMP solvent.
E. L. , Dewi   +5 more
core   +1 more source

The Effects of Sulfonated Poly(ether ether ketone) Ion Exchange Preparation Conditions on Membrane Properties

open access: yesMembranes, 2013
A low cost cation exchange membrane to be used in a specific bioelectrochemical system has been developed using poly(ether ether ketone) (PEEK). This material is presented as an alternative to current commercial ion exchange membranes that have been ...
Rebecca S. L. Yee   +2 more
doaj   +1 more source

Effect of Covalent Organic Frameworks Containing Different Groups on Properties of Sulfonated Poly(ether ether ketone) Matrix Proton Exchange Membranes

open access: yesNanomaterials, 2022
The rich −SO3H groups enable sulfonated poly (ether ether ketone) (SPEEK) to possess excellent proton conductivities in proton exchange membrane (PEM), but cause excessive water absorption, resulting in the decline of dimensional stability.
Xiaoyu Meng   +7 more
doaj   +1 more source

Preparation and Properties of SeO2 and PWA Binary Compound Doped SPEEK Proton Exchange Membranes

open access: yesInternational Journal of Electrochemical Science, 2018
Herein, we prepared proton exchange membranes by adding SeO2 and phospho-wolframic acid (PWA) into DS 85 wt% sulfonated polyether ether ketone (SPEEK). The result indicates that their proton conductivity is increasing without decrease of their methanol ...
Zhicai He   +4 more
doaj   +1 more source

Graphene Reinforced Polyether Ether Ketone Nanocomposites for Bone Repair Applications [PDF]

open access: yes, 2020
To improve the performance of polyether ether ketone matrix (PEEK) in hard tissue repair and replacement applications, we fabricated graphene (G) reinforced PEEK with graded G concentrations (0.1%-5%) through injection molding. The mechanical properties,
Miaomiao, He   +5 more
core   +1 more source

Sulfonated polyether ether ketone – sulfonated graphene oxide composite membranes for polymer electrolyte fuel cells

open access: yesRSC Adv., 2014
Sulfonated polyether ether ketone – sulfonated graphene oxide composite membranes for polymer electrolyte fuel cells have been prepared. Sulfonic acid functionalised graphene oxide nanosheets were incorporated into the sulfonated polyether ether ketone structure to interconnect the proton transport channels.
Kumar R, Mamlouk M, Scott K
openaire   +2 more sources

Preparation and Characterisation of Composite Sulfonated Polyether Ether Ketone for Direct Methanol Fuel Cells

open access: yesJournal of Physics: Conference Series, 2019
Abstract Direct Methanol Fuel Cell (DMFC), uses a proton exchange polymer electrolyte which one of the key components developed to realize the commercialization of fuel cells in transportation and portable equipment. Poly Ether Ether Ketone (PEEK) is a thermoplastic material that has a combination of physico-chemical and good mechanical ...
H Purnama   +3 more
openaire   +1 more source

Additive manufacturing of polyether ether ketone – PEEK parts with surface roughness modification by a laser beam [PDF]

open access: yes, 2020
The physicochemical properties of polyether ether ketone (PEEK) allow to use this material for prosthetic restorations applied in implant prosthetics. So far, such attempts have been made in the technology of milling rough material solids of this polymer,
Tadeusz CHWALCZUK   +9 more
core   +1 more source

Sulfonated polyether ether ketone - sulfonated graphene oxide composite membranes for polymer electrolyte fuel cells

open access: yes
Sulfonated polyether ether ketone - sulfonated graphene oxide composite membranes for polymer electrolyte fuel cells have been prepared. Sulfonic acid functionalised graphene oxide nanosheets were incorporated into the sulfonated polyether ether ketone ...
Mamlouk M, Scott K, Kumar R
core   +4 more sources

Study on the properties of blended membranes of sulfonated polyaromatic ether polymer and sulfonated polyether ether ketone

open access: yes, 2021
This thesis mainly applies the sulfonated polyaromatic ether polymer to the thin film analysis of proton exchange membranes. This thesis mainly mixes the structure of SA8 developed by Li Xufeng with the structure of sulfonated polyether ether ketone ...
Huang, Chun-Yen
core  

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