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 ◽  
...  
Keyword(s):  
Fuel Cells ◽  
High Temperature ◽  
Phosphoric Acid ◽  
Dft Calculations ◽  
Polymer Electrolyte ◽  
Phenyl Group ◽  
Polymer Electrolyte Fuel Cells ◽  
Lower Basicity

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.

Wetting properties of porous high temperature polymer electrolyte fuel cells materials with phosphoric acid

2019 ◽  
Vol 21 (24) ◽  
pp. 13126-13134 ◽  
Author(s):  
J. Halter ◽  
T. Gloor ◽  
B. Amoroso ◽  
T. J. Schmidt ◽  
F. N. Büchi
Keyword(s):  
Fuel Cells ◽  
High Temperature ◽  
Fuel Cell ◽  
Phosphoric Acid ◽  
Polymer Electrolyte ◽  
Polymer Electrolyte Fuel Cells ◽  
Polymer Electrolyte Fuel Cell ◽  
Wetting Behavior ◽  
Wetting Properties ◽  
Fuel Cell Materials

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

A phosphoric acid-doped electrocatalyst supported on poly(para-pyridine benzimidazole)-wrapped carbon nanotubes shows a high durability and performance

2015 ◽  
Vol 3 (27) ◽  
pp. 14318-14324 ◽  
Author(s):  
Zehui Yang ◽  
Tsuyohiko Fujigaya ◽  
Naotoshi Nakashima
Keyword(s):  
Carbon Nanotubes ◽  
Fuel Cells ◽  
High Temperature ◽  
Fuel Cell ◽  
Phosphoric Acid ◽  
Polymer Electrolyte ◽  
Polymer Electrolyte Fuel Cells ◽  
Fuel Cell Performance ◽  
High Durability ◽  
And Performance

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

Phosphoric acid doped crosslinked polybenzimidazole (PBI-OO) blend membranes for 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 ◽  
...  
Keyword(s):  
Fuel Cells ◽  
High Temperature ◽  
Phosphoric Acid ◽  
Polymer Electrolyte ◽  
Polymer Electrolyte Fuel Cells ◽  
Blend Membranes

scholarly journals Proton diffusion in the catalytic layer for high temperature polymer electrolyte fuel cells

RSC Advances ◽  
2019 ◽  
Vol 9 (65) ◽  
pp. 37768-37777 ◽  
Author(s):  
Marina Appel ◽  
Galin Borisov ◽  
Olaf Holderer ◽  
Marie-Sousai Appavou ◽  
Reiner Zorn ◽  
...  
Keyword(s):  
Fuel Cells ◽  
High Temperature ◽  
Phosphoric Acid ◽  
Polymer Electrolyte ◽  
Polymer Electrolyte Fuel Cells ◽  
Catalytic Layer ◽  
Proton Diffusion ◽  
Quasielastic Neutron ◽  
Proton Dynamics ◽  
Quasielastic Neutron Scattering

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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