Development of Durable, Low-Cost, High-Performance Pt Alloy Electrocatalysts for H2/Air Fuel Cell Application Slide: 3 of 16
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CABOT Combinatorial Discovery
- Need for combinatorial discovery
/ Empirical studies demonstrated 20-30 mV activity gains of binary systems, such as
PtNi, PtCo and PtCr, over Pt/C.
/ The optimum composition of these alloys remains unknown.
/ As the number of elemental components increases, the number of possible
compositions to be prepared and tested grows geometrically.
- Challenge of combinatorial approach
~ Many combinatorial platforms rely on high throughput techniques for model systems
(sputtering) followed by scale up in supported form~"Hits" cannot always be translated into real material systems.
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Sun, Yipeng. Development of Durable, Low-Cost, High-Performance Pt Alloy Electrocatalysts for H2/Air Fuel Cell Application, presentation, October 29, 2006; United States. (https://digital.library.unt.edu/ark:/67531/metadc888871/m1/3/: accessed April 25, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.