A novel titanium-supported silver catalyst(Ag/Ti)with a 3D network structure was prepared by the hydrothermal process using polyethylene glycol as a reduction agent.Electrocatalytic activity of the Ag/Ti electrode tow...A novel titanium-supported silver catalyst(Ag/Ti)with a 3D network structure was prepared by the hydrothermal process using polyethylene glycol as a reduction agent.Electrocatalytic activity of the Ag/Ti electrode towards borohydride oxidation was evaluated by cyclic voltammograms(CVs).A direct oxidation process of borohydride on the Ag/Ti electrode was observed.The results showed that the Ag/Ti electrode presented a high anodic current density for borohydride oxidation,and the onset potential for borohydride oxidation was ca-0.64 V vs SCE at BH-4 concentration of 0.1 mol·L-1.This indicated that the Ag/Ti electrode exhibited high electrocatalytic activity for borohydride oxidation and it would be a promising anode used in direct borohydride fuel cells.展开更多
基金the Natural Science Foundation of Shanxi Province of China(201801D121073)the Scientific and Technological Innovation Programs of Higher Education Institutions in Shanxi Province(2019L0749)+6 种基金Datong Key Research Project of Science and Technology Planning Social Development(2017119)the Applied Basic Research Youth Science and Technology Foundation of Shanxi Province of China(201901D211433)the Scientific and Technological Innovation Programs of Higher Education Institutions in Shanxi Province(2019L0737)2019 Open Research Fund of Shanxi Province Research Center for Innovative Application of New Mesoporous Materials(MMIA2019106)PhD Research Startup Foundation of Shanxi Datong University(2013-B-16)the Natural Science Foundation of Shanxi(201701D121016)Natural Science Foundation of Datong(201819).
文摘A novel titanium-supported silver catalyst(Ag/Ti)with a 3D network structure was prepared by the hydrothermal process using polyethylene glycol as a reduction agent.Electrocatalytic activity of the Ag/Ti electrode towards borohydride oxidation was evaluated by cyclic voltammograms(CVs).A direct oxidation process of borohydride on the Ag/Ti electrode was observed.The results showed that the Ag/Ti electrode presented a high anodic current density for borohydride oxidation,and the onset potential for borohydride oxidation was ca-0.64 V vs SCE at BH-4 concentration of 0.1 mol·L-1.This indicated that the Ag/Ti electrode exhibited high electrocatalytic activity for borohydride oxidation and it would be a promising anode used in direct borohydride fuel cells.