In situ determination of the electrochemically active platinum surface area: key to improvement of solid acid fuel cells

2018 ◽  
Vol 6 (6) ◽  
pp. 2700-2707 ◽  
Author(s):  
Felix P. Lohmann-Richters ◽  
Bernd Abel ◽  
Áron Varga
Keyword(s):  
Fuel Cells ◽  
Solid Electrolyte ◽  
Surface Area ◽  
Solid Acid ◽  
Oxide Reduction ◽  
Electrolyte System ◽  
Platinum Surface ◽  
Electrochemically Active

Surface oxide reduction is demonstrated for measuring the active Pt surface area in a solid electrolyte system at 240 °C.

Study on solid electrolyte catalyst poisoning in solid acid fuel cells

2021 ◽  
Author(s):  
Maximilian Wagner ◽  
Oliver Lorenz ◽  
Felix Paul Lohmann-Richters ◽  
Áron Varga ◽  
Bernd Abel
Keyword(s):  
Fuel Cells ◽  
Solid Electrolyte ◽  
Solid Acid ◽  
Degradation Mechanism ◽  
Catalyst Poisoning

Solid acid fuel cells operate at intermediate temperatures utilizing a solid electrolyte (CsH2PO4, CDP). However, relatively little is known about the degradation mechanism and the topic is rarely addressed. Phosphate...

Determination of alveolar surface area and tension from in situ pressure-volume data

1970 ◽  
Vol 10 (2) ◽  
pp. 159-171 ◽  
Author(s):  
Martin J. Fisher ◽  
Michael F. Wilson ◽  
Kenneth C. Weber
Keyword(s):  
Surface Area ◽  
Volume Data ◽  
Alveolar Surface Area ◽  
Alveolar Surface

In-situ methods for the determination of current distributions in PEM fuel cells

1998 ◽  
Vol 43 (24) ◽  
pp. 3773-3783 ◽  
Author(s):  
Jürgen Stumper ◽  
Stephen A. Campbell ◽  
David P. Wilkinson ◽  
Mark C. Johnson ◽  
Mike Davis
Keyword(s):  
Fuel Cells ◽  
Pem Fuel Cells ◽  
Current Distributions ◽  
In Situ Methods

Voltage Cycling Induced Losses in Electrochemically Active Surface Area and in H2/Air-Performance of PEM Fuel Cells

2016 ◽  
Vol 163 (6) ◽  
pp. F492-F498 ◽  
Author(s):  
Patrick Zihrul ◽  
Ingmar Hartung ◽  
Sebastian Kirsch ◽  
Gerold Huebner ◽  
Frédéric Hasché ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Surface Area ◽  
Active Surface ◽  
Pem Fuel Cells ◽  
Active Surface Area ◽  
Electrochemically Active ◽  
Electrochemically Active Surface
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