title: Preparation of Pd-Co-based nanocatalysts and their superior applications in formic acid decomposition and methanol oxidation.
abstract: Formic acid (FA) and methanol, as convenient hydrogen-containing materials, are most widely used for fuel cells. However, using suitable and low-cost catalysts to further improve their energy performance still is a matter of great significance. Herein, PdCo and PdCo@Pd nanocatalysts (NCs) are successfully prepared by the facile method. Pd 3d binding energy decreases due to the presence of Co. Consequently, PdCo@Pd NCs exhibit high catalytic activity and selectivity toward FA dehydrogenation at room temperature. The gas-generation rate at 30 min is 65.4 L h(-1)  g(-1) . PdCo/C has the worst catalytic performance in this reaction, despite the fact that it has a high gas-generation rate in the initial 30 min. Furthermore, both PdCo and PdCo@Pd NCs have enhanced electrocatalytic performance toward methanol oxidation. Their maximum currents are 966 and 1205 mA mg(-1) , respectively, which is much higher than monometallic Pd/C.
authors.affiliation: State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, Jilin (PR China), Fax: (+86) 431-85262836; University of Chinese Academy of Sciences, Beijing, 100049, (PR China).
authors.forename: Yu-ling
authors.initials: YL
authors.lastname: Qin
authors.forename: Ya-cheng
authors.initials: YC
authors.lastname: Liu
authors.forename: Fei
authors.initials: F
authors.lastname: Liang
authors.forename: Li-min
authors.initials: LM
authors.lastname: Wang
mesh_terms: D002384:Catalysis; D003035:Cobalt / Q000737:chemistry*; D004563:Electrochemistry; D005561:Formates / Q000737:chemistry*; D053768:Metal Nanoparticles / Q000737:chemistry*; D000432:Methanol / Q000737:chemistry*; D010084:Oxidation-Reduction; D010165:Palladium / Q000737:chemistry*; D053260:Soot / Q000737:chemistry
chemical_list: D005561:Formates; D053260:Soot; C030544:formic acid; D003035:Cobalt; D010165:Palladium; D000432:Methanol
keywords: dehydrogenation; green chemistry; hydrogen; oxidation; palladium