Although palladium(Pd)has gradually emerged as the most likely candidate to replace platinum(Pt)in the oxygen reduction reaction(ORR),the specific electronic structure of conventional Pd results in too strong Pd–O bi...Although palladium(Pd)has gradually emerged as the most likely candidate to replace platinum(Pt)in the oxygen reduction reaction(ORR),the specific electronic structure of conventional Pd results in too strong Pd–O binding strength and unsatisfactory ORR performance.Herein,guided by density functional theory,we have explored a strategy to expand lattice spacing by implanting hydrogen(H)atoms in Pd nanocrystals(NCs),which realizes decreased electron density to boost ORR.展开更多
基金supported by the Ministry of Science and Technology of China(2016YFA0204100 and 2017YFA0208200)the National Natural Science Foundation of China(21571135)+3 种基金Young Thousand Talented Program,the Special Funded Project of China Postdoctoral Science Foundation(2019T120453)Jiangsu Province Natural Science Fund for Distinguished Young Scholars(BK20170003)the project of scientific and technologic infrastructure of Suzhou(SZS201708),the Priority Academic Program Development of Jiangsu Higher Education Institutions(PAPD)the start-up supports from Xiamen University.
文摘Although palladium(Pd)has gradually emerged as the most likely candidate to replace platinum(Pt)in the oxygen reduction reaction(ORR),the specific electronic structure of conventional Pd results in too strong Pd–O binding strength and unsatisfactory ORR performance.Herein,guided by density functional theory,we have explored a strategy to expand lattice spacing by implanting hydrogen(H)atoms in Pd nanocrystals(NCs),which realizes decreased electron density to boost ORR.
