05 jul “In situ observation of electrocatalysis under gas atmosphere using a multiple gas injection system of HF-3300”

Krefeld | July 4, 2018

“In situ observation of electrocatalysis under gas atmosphere using a multiple gas injection system of FE-TEM” Fuel cell electrode catalyst was observed with SEM and ADF-STEM at 200℃ while introducing O2 and H2 gas. While O2 gas facilitated Pt particles coarsening and made carbon support particles porous, H2 gas did not bring significant change. SEM and ADF-STEM visualized the surface alteration of carbon support particles and the aggregation of Pt particles respectively. 

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