An in situ cross-linked vinylphosphonic acid-modified aminosilicon oxide gel electrolyte for proton exchange membrane fuel cells

2020 ◽  
Vol 4 (6) ◽  
pp. 2859-2868 ◽  
Author(s):  
Henghui Huang ◽  
Liwen Ni ◽  
Jiaoyan Xu ◽  
Xiaojun Xie ◽  
Li Zhang ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Proton Exchange Membrane ◽  
Proton Exchange ◽  
Gel Electrolyte ◽  
Perfluorosulfonic Acid ◽  
Perfluorosulfonic Acid Membranes ◽  
Vinylphosphonic Acid ◽  
Exchange Membrane

Highly conductive and water-retentive vinylphosphonic acid-modified aminosilicon oxide cross-linked polymer/perfluorosulfonic acid membranes were prepared.

Degradation effect on proton dissociation and transfer in perfluorosulfonic acid membranes

2021 ◽  
Author(s):  
Yu Hu ◽  
Shuai Wang ◽  
Guohui Gao ◽  
Yurong He
Keyword(s):  
Fuel Cells ◽  
Free Radicals ◽  
Proton Exchange Membrane ◽  
Proton Exchange ◽  
Perfluorosulfonic Acid ◽  
Membrane Degradation ◽  
Proton Dissociation ◽  
Perfluorosulfonic Acid Membranes ◽  
Exchange Membrane ◽  
Degradation Effect

In the operation of proton exchange membrane fuel cells (PEMFCs), the ionomer- perfluorosulfonic acid (PSFA) membrane side chains are easily attacked by free radicals, resulting in the membrane degradation. In...

scholarly journals Mechanical behavior of a hydrated perfluorosulfonic acid membrane at meso and nano scales

RSC Advances ◽  
2019 ◽  
Vol 9 (17) ◽  
pp. 9594-9603 ◽  
Author(s):  
Cong Feng ◽  
Yan Li ◽  
Kunnan Qu ◽  
Zhiming Zhang ◽  
Pengfei He
Keyword(s):  
Mechanical Properties ◽  
Fuel Cells ◽  
Mechanical Behavior ◽  
Internal Structure ◽  
Proton Exchange Membrane ◽  
Proton Exchange ◽  
Membrane Material ◽  
Perfluorosulfonic Acid ◽  
The Stability ◽  
Exchange Membrane

Perfluorosulfonic acid (PFSA) is widely used as the membrane material for proton-exchange membrane fuel cells, and its mechanical properties directly affect the stability and the life of the internal structure of the proton exchange membrane.

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