Sulfonated Poly(aryl ether ketone) on Side Chain/Sulfonated Poly(vinyl alcohol) Composite Proton Exchange Membrane for Direct Methanol Fuel Cells

2013 ◽  
Vol 29 (07) ◽  
pp. 1515-1523
Author(s):  
CHENG Hai-Long ◽  
◽  
XU Jing-Mei ◽  
WANG Zhe ◽  
REN Chun-Li ◽  
...  
Keyword(s):  
Proton Exchange Membrane ◽  
Direct Methanol Fuel Cells ◽  
Proton Exchange ◽  
Side Chain ◽  
Poly Vinyl Alcohol ◽  
Aryl Ether ◽  
Direct Methanol ◽  
Aryl Ether Ketone ◽  
Exchange Membrane ◽  
Sulfonated Poly

Preparation and characterization of sulfonated poly(aryl ether ketone)s containing 3,5-diphenyl phthalazinone moieties for proton exchange membrane

RSC Advances ◽  
2016 ◽  
Vol 6 (79) ◽  
pp. 75328-75335 ◽  
Author(s):  
Liyun Chen ◽  
Shouhai Zhang ◽  
Yiwen Jiang ◽  
Xigao Jian
Keyword(s):  
Proton Exchange Membrane ◽  
Proton Exchange ◽  
Side Chain ◽  
Methanol Permeability ◽  
Aryl Ether ◽  
Aryl Ether Ketone ◽  
Ether Ketone ◽  
Exchange Membrane ◽  
Sulfonated Poly

A series of novel side-chain sulfonated aromatic polymers SPPEK-dPs membranes were prepared, which shows lower methanol permeability and higher selectivity.

Sulfonated Poly(Ether Ether Ketone)(S-PEEK) as Derived from Bisphenol-S for a Proton Exchange Membrane (PEM) in Direct Methanol Fuel Cells (DMFC)

2008 ◽  
Vol 54 ◽  
pp. 255-260
Author(s):  
Sairung Changkhamchom ◽  
Anuvat Sirivat
Keyword(s):  
Proton Exchange Membrane ◽  
Direct Methanol Fuel Cells ◽  
Proton Exchange ◽  
Bisphenol S ◽  
Ether Ether Ketone ◽  
Poly Ether Ether Ketone ◽  
Direct Methanol ◽  
Ether Ketone ◽  
Exchange Membrane ◽  
Sulfonated Poly

The currently used Proton Exchange Membrane (PEM) in a Direct Methanol Fuel Cell (DMFC) is NafionÒ, an excellent proton conductor in a fully hydrated membrane. However, it has major drawbacks, such as very high cost, and loss of conductivity at elevated temperature and low humidity. In this work, a novel PEM based on sulfonated poly(ether ether ketone) (S-PEEK). Poly(ether ether ketone) (PEEK) was synthesized by the nucleophilic aromatic substitution polycondensation of Bisphonol-S and 4,4'-difluorobenzophenone for system A, and Bisphenol S and 4,4'-dichlorobenzophenone for system B. Bisphenol-S helps to increase the thermal stability due to its high melting point (245°C). The post-sulfonation reaction was performed by using concentrated sulfuric acid. Sulfonated poly(ether ether ketone) (S-PEEK) samples were characterized by FTIR and 1H-NMR to confirm the chemical structure of the S-PEEK, and by TGA to investigate the thermal property.

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