催化作用
铜
格式化
无机化学
法拉第效率
电化学
三元运算
原电池
氧化物
钯
化学
甲烷
二氧化碳电化学还原
可逆氢电极
氢
材料科学
一氧化碳
电极
工作电极
物理化学
有机化学
程序设计语言
计算机科学
作者
Jing Li,SiXuan Guo,Feng Li,Fengwang Li,Jie Zhang,Jiantai Ma,Douglas R. MacFarlane
出处
期刊:Chemsuschem
[Wiley]
日期:2019-09-03
卷期号:12 (19): 4471-4479
被引量:15
标识
DOI:10.1002/cssc.201901636
摘要
A simple one-pot method has been developed to synthesize a palladium/cuprous oxide-copper (Pd/Cu2 O-Cu) material with a well-defined structure, by modification of Cu2 O-Cu with Pd through a galvanic replacement reaction. Compared with the well-known copper/cuprous oxide (Cu/Cu2 O) catalysts, the Pd/Cu2 O-Cu material can catalyze the electroreduction of CO2 into C1 products with much higher faradaic efficiencies at lower overpotentials in a CO2 -saturated 0.5 m NaHCO3 solution. In particular, the highest faradaic efficiencies of 92 % for formate and 30 % for methane were achieved at -0.25 and -0.65 V (vs. the reversible hydrogen electrode), respectively. The improvement is suggested to be the result of a synergistic effect between PdH and the catalytically active copper sites during electrochemical CO2 reduction.
科研通智能强力驱动
Strongly Powered by AbleSci AI