Structural and Electronic Transformations of Pt/C, Pd@Pt(1 ML)/C and Pd@Pt(2 ML)/C Cathode Catalysts in Polymer Electrolyte Fuel Cells during Potential-step Operating Processes Characterized by In-situ Time-resolved XAFS

2016 ◽  
Vol 648 ◽  
pp. 100-113 ◽  
Author(s):  
Shin-ichi Nagamatsu ◽  
Shinobu Takao ◽  
Gabor Samjeské ◽  
Kensaku Nagasawa ◽  
Oki Sekizawa ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Polymer Electrolyte ◽  
Polymer Electrolyte Fuel Cells ◽  
Time Resolved ◽  
Potential Step ◽  
Cathode Catalysts

Rate Enhancements in Structural Transformations of Pt–Co and Pt–Ni Bimetallic Cathode Catalysts in Polymer Electrolyte Fuel Cells Studied by in Situ Time-Resolved X-ray Absorption Fine Structure

2014 ◽  
Vol 118 (29) ◽  
pp. 15874-15883 ◽  
Author(s):  
Nozomu Ishiguro ◽  
Sutasinee Kityakarn ◽  
Oki Sekizawa ◽  
Tomoya Uruga ◽  
Takashi Sasabe ◽  
...  
Keyword(s):  
Fine Structure ◽  
Fuel Cells ◽  
Polymer Electrolyte ◽  
Structural Transformations ◽  
Polymer Electrolyte Fuel Cells ◽  
Time Resolved ◽  
X Ray ◽  
Cathode Catalysts ◽  
X Ray Absorption

Performance and durability of Pt/C cathode catalysts with different kinds of carbons for polymer electrolyte fuel cells characterized by electrochemical and in situ XAFS techniques

2014 ◽  
Vol 16 (21) ◽  
pp. 10075 ◽  
Author(s):  
Kensaku Nagasawa ◽  
Shinobu Takao ◽  
Kotaro Higashi ◽  
Shin-ichi Nagamatsu ◽  
Gabor Samjeské ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Polymer Electrolyte ◽  
Polymer Electrolyte Fuel Cells ◽  
Cathode Catalysts ◽  
In Situ Xafs

Activities and Stabilities of Au-Modified Stepped-Pt Single-Crystal Electrodes as Model Cathode Catalysts in Polymer Electrolyte Fuel Cells

2016 ◽  
Vol 138 (12) ◽  
pp. 4194-4200 ◽  
Author(s):  
Kensaku Kodama ◽  
Ryosuke Jinnouchi ◽  
Naoko Takahashi ◽  
Hajime Murata ◽  
Yu Morimoto
Keyword(s):  
Fuel Cells ◽  
Single Crystal ◽  
Polymer Electrolyte ◽  
Polymer Electrolyte Fuel Cells ◽  
Cathode Catalysts
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