scholarly journals Key Factors Affecting the Performance and Durability of Cathode Electrocatalysts in Polymer Electrolyte Fuel Cells Characterized by In Situ Real Time and Spatially Resolved XAFS Techniques

2014 ◽  
Vol 145 (1) ◽  
pp. 58-70 ◽  
Author(s):  
Mizuki Tada ◽  
Tomoya Uruga ◽  
Yasuhiro Iwasawa
Keyword(s):  
Fuel Cells ◽  
Polymer Electrolyte ◽  
Real Time ◽  
Polymer Electrolyte Fuel Cells ◽  
Key Factors ◽  
Factors Affecting ◽  
Spatially Resolved

Feed gas exchange (startup/shutdown) effects on Pt/C cathode electrocatalysis and surface Pt-oxide behavior in polymer electrolyte fuel cells as revealed using in situ real-time XAFS and high-resolution STEM measurements

2020 ◽  
Vol 22 (17) ◽  
pp. 9424-9437
Author(s):  
Gabor Samjeské ◽  
Takuma Kaneko ◽  
Takao Gunji ◽  
Kotaro Higashi ◽  
Tomoya Uruga ◽  
...  
Keyword(s):  
Fuel Cells ◽  
High Resolution ◽  
Gas Exchange ◽  
Polymer Electrolyte ◽  
Real Time ◽  
Polymer Electrolyte Fuel Cells ◽  
First Time

Feed gas exchange (startup/shutdown) effects on Pt/C electrocatalysis and surface Pt-oxide behavior in PEFC were investigated by in situ real-time XAFS, synchronized with CV, and high-resolution STEM for the first time.

In-Situ XANES of Carbon-Supported Pt−Ru Anode Electrocatalyst for Reformate-Air Polymer Electrolyte Fuel Cells

2002 ◽  
Vol 106 (13) ◽  
pp. 3458-3465 ◽  
Author(s):  
Rameshkrishnan Viswanathan ◽  
Guoyan Hou ◽  
Renxuan Liu ◽  
Simon R. Bare ◽  
Frank Modica ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Polymer Electrolyte ◽  
Polymer Electrolyte Fuel Cells ◽  
In Situ Xanes

In situ diagnostic of two-phase flow phenomena in polymer electrolyte fuel cells by neutron imaging

2005 ◽  
Vol 50 (13) ◽  
pp. 2603-2614 ◽  
Author(s):  
Denis Kramer ◽  
Jianbo Zhang ◽  
Ryoichi Shimoi ◽  
Eberhard Lehmann ◽  
Alexander Wokaun ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Polymer Electrolyte ◽  
Two Phase Flow ◽  
Polymer Electrolyte Fuel Cells ◽  
Neutron Imaging ◽  
Phase Flow ◽  
Two Phase ◽  
Flow Phenomena
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