Preparation of proton-conducting composite membranes from sulfonated poly(ether ether ketone) and polyacrylonitrile

2007 ◽  
Vol 291 (1-2) ◽  
pp. 210-219 ◽  
Author(s):  
Jinwen Wang ◽  
Zhongren Yue ◽  
James Economy
Keyword(s):  
Composite Membranes ◽  
Conducting Composite ◽  
Proton Conducting ◽  
Ether Ether Ketone ◽  
Poly Ether Ether Ketone ◽  
Ether Ketone ◽  
Sulfonated Poly

Sulfonated poly(ether ether ketone) based composite membranes for nanofiltration of acidic and alkaline media

2011 ◽  
Vol 381 (1-2) ◽  
pp. 81-89 ◽  
Author(s):  
Mayur Dalwani ◽  
Gerrald Bargeman ◽  
Seyed Schwan Hosseiny ◽  
Marcel Boerrigter ◽  
Matthias Wessling ◽  
...  
Keyword(s):  
Composite Membranes ◽  
Alkaline Media ◽  
Ether Ether Ketone ◽  
Poly Ether Ether Ketone ◽  
Ether Ketone ◽  
Acidic And Alkaline Media ◽  
Sulfonated Poly

scholarly journals High degree sulfonated poly(ether ether ketone) blend with polyvinylidene fluoride as a potential proton-conducting membrane fuel cell

2019 ◽  
Vol 32 (1) ◽  
pp. 103-115 ◽  
Author(s):  
Syarifah Noor Syakiylla Sayed Daud ◽  
Muhammad Noorul Anam Mohd Norddin ◽  
Juhana Jaafar ◽  
Rubita Sudirman
Keyword(s):  
Mechanical Properties ◽  
Fuel Cell ◽  
Polyvinylidene Fluoride ◽  
Proton Conducting ◽  
Proton Conducting Membrane ◽  
Ether Ether Ketone ◽  
Poly Ether Ether Ketone ◽  
Ether Ketone ◽  
Speek Membrane ◽  
Sulfonated Poly

Sulfonated poly(ether ether ketone) (sPEEK) membrane is a promising proton-conducting membrane for fuel cell. However, the performance and lifetime of sPEEK membrane depend on the degree of sulfonation (DS). High DS of sPEEK increases the performance, but the mechanical properties could deteriorate progressively which affect its lifetime. Thus, this study investigated the effect of adding polyvinylidene fluoride (PVDF) into high DS (80%) of sPEEK through solution blending method toward its physicochemical properties and morphology structures. The PVDF concentration was varied to 5, 10, 15, and 20 wt% relative to the sPEEK content. The existence of hydrophobic PVDF in 80% sPEEK improved the mechanical properties where the water uptake and swelling degree of membrane decreased, whereas the tensile strength increased. The sPEEK/PVDF 15 exhibited the highest proton conductivity (46.23 mS cm−1) at 80°C. Incorporating PVDF into high DS of sPEEK enhanced the mechanical properties which can be used as a proton-conducting membrane for fuel cell that may improve the performance and prolong the lifetime of the cell.

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