| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 6455212 | Catalysis Today | 2017 | 6 Pages |
â¢Highly metallic Pd/C is synthesized by addition of NH3 and iodine ion.â¢Highly metallic Pd/C catalyst improves oxidation kinetics of Hads.â¢Highly metallic Pd/C catalyst shows enhanced activity toward formate oxidation.
Catalytically active highly metallic palladium (A-I-Pd/C) catalyst for oxidation of formate (HCOOâ) was synthesized via borohydride reduction method assisted by ammonia and iodine ion. The physico-chemical characterizations were conducted to investigate properties of the synthesized catalysts and we confirmed A-I-Pd/C is consisted with palladium hydride. The catalytic activity of the catalysts for oxidation of HCOOâ are characterized by electrochemical analysis and A-I-Pd/C catalysts performed the best catalytic activity for oxidation of HCOOâ in terms of Tafel slope and onset potential. The enhanced catalytic activity of A-I-Pd/C is explained by enhanced kinetics of oxidation of Hads, which is caused by weaken adsorption strength of Hads on Pd due to electron transfer from H to Pd. The enhanced performance of A-I-Pd/C was also confirmed and compared with the others in a single cell system.
Graphical abstractThe dependency of the state of Pd in carbon-supported palladium on synthesis process.Download high-res image (86KB)Download full-size image
