Tetrazole substituted polymers for high temperature polymer electrolyte fuel cells

2015 ◽  
Vol 3 (27) ◽  
pp. 14389-14400 ◽  
Author(s):  
Dirk Henkensmeier ◽  
Ngoc My Hanh Duong ◽  
Mateusz Brela ◽  
Karol Dyduch ◽  
Artur Michalak ◽  
...  

Tetrazole (TZ) has lower basicity than imidazole and may not be fully protonated by phosphoric acid. DFT calculations suggest that the basicity of TZ groups can be increased by introducing a 2,6-dioxy-phenyl-group in position 5.

2019 ◽  
Vol 21 (24) ◽  
pp. 13126-13134 ◽  
Author(s):  
J. Halter ◽  
T. Gloor ◽  
B. Amoroso ◽  
T. J. Schmidt ◽  
F. N. Büchi

The influence of phosphoric acid temperature and concentration on the wetting behavior of porous high temperature polymer electrolyte fuel cell materials is investigated.


2015 ◽  
Vol 3 (27) ◽  
pp. 14318-14324 ◽  
Author(s):  
Zehui Yang ◽  
Tsuyohiko Fujigaya ◽  
Naotoshi Nakashima

Low fuel cell performance and durability are still the two main obstacles to the commercialization of high-temperature polymer electrolyte fuel cells.


2017 ◽  
Vol 544 ◽  
pp. 416-424 ◽  
Author(s):  
N. Nambi Krishnan ◽  
Dickson Joseph ◽  
Ngoc My Hanh Duong ◽  
Anastasiia Konovalova ◽  
Jong Hyun Jang ◽  
...  

RSC Advances ◽  
2019 ◽  
Vol 9 (65) ◽  
pp. 37768-37777 ◽  
Author(s):  
Marina Appel ◽  
Galin Borisov ◽  
Olaf Holderer ◽  
Marie-Sousai Appavou ◽  
Reiner Zorn ◽  
...  

The present study focuses on quasielastic neutron scattering (QENS) of the proton dynamics in phosphoric acid (PA) inside the catalytic layer of high-temperature polymer electrolyte fuel cells (HT-PEFCs).


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