sncuox催化剂电化学还原co2制甲酸性能研究
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Key words Copper Benzene - 1 3 5 - Tricarboxylat Metal - organic Framework SnCuOx Catalysts Carbon Dioxide Electro -
( , , , 1. Key Laboratory of Biofuels Qingdao Institute of Bioenergy and Bioprocess Technology Chinese Academy of Sciences , ; , , , ) Qingdao 266101 China 2. School of Chemistry and Chemical Engineering Qingdao University Qingdao 266071 China
: , Abstract The electrochemical reduction of CO2 to chemicals is an important way to restore the renewable energy and is also an , , ,, important route to decrease the global warming. In this paper the metal - organic framework materials Copper Benzene - 1 3 5 - , Tricarboxylat and Tin oxalate were used as precursors to prepare SnCuOx catalysts with different Sn contents which were employed , , for CO2 electrochemical reduction to formic acid. For the catalysts with the increase of Sn content the Faraday efficiency first , increased and then decreased in the reaction the 50% SnCuOx catalyst showed the highest Faraday efficiency of 47% at -
本文通过采用金属有机骨架材料135均苯三甲酸铜配合物与草酸亚锡为前驱体制备不同比例掺杂的sncuox催化剂体系并将其应用于co2电化学还原制甲酸过程结果表明随着sn掺杂量的增加反应法拉第效率呈现先升高后降低的趋势在183v恒电位电解情况下50sncuox催化剂表现出最高的法拉第效率为47
第4 期
differences in the surface properties of the catalysts. This maucsript is a useful exploration for the preparation of high - efficiency
, CO2 electrochemical reduction catalysts by metal - organic framework materials and it can provide new way for the development of : ,, ; ; ; ; CO2 electrochemical reduction catalysts.
( ) 中图分类号: 文献标识码: 文章编号: O646
A
1008 - 021X 2020 4 - 0035 - 05
CO2 Electrochemical Redution to Formic Acid Over the SnCuOx Catalysts
, , , Guo Xianghe1,2 Li Bingshuang1 Liu Guangbo1 Zi Zhongyue1
出最高的法拉第效率为47%。进一步对不同Sn 掺杂量的催化剂进行结构和性质表征。结果表明,催化剂比表面积、表面化学价态等物
理化学性质的变化是催化剂法拉第效率呈现先升高后降低的主要原因。不同Sn 掺杂量引起的催化剂中金属还原程度、晶形结构的变
索化关,,键可则词为是:1复引,3合起,5催C-O化均2剂电苯表化三面学甲性还酸质原铜发催配生化合变剂物化的;金的开属主发有要提机原供骨因新架。思材本路料论。;文Sn的C研uO究x 催是化金剂属;有二机氧骨化架碳材;电料化复学合还制原备;高甲效酸CO2 电化学还原催化剂的有益探
郭祥贺,等:SnCuOx 催化剂电化学还原CO2 制甲酸性能研究
·35·
SnCuOx 催化剂电化学还原CO2 制甲酸性能研究
郭祥贺1,2,李冰爽1,刘广波1,訾仲岳1
(1. 中国科学院青岛生物能源与过程研究所,山东青岛 266101; 2. 青岛大学化学与化工学院,山东青岛 266071)
1程摘,3,要,结5:果C-O均表2 电苯明化三随学甲着还酸Sn原铜掺制配杂备合量化物的学与增品草加是酸,可反亚再应锡生法为能拉前源第驱存效体贮率,制利呈备用现不的先同重升比要高例方后掺式降杂,低也的的是趋S应n势C对u,O气在x 候催-1变化. 8化剂3V的体恒重系电要,并位手将电段其解。应情本用况文于下通C,过5O0采2%电用S化n金C学属uO还有x 催原机化制骨剂甲架表酸材现过料
1 83V. The structures and properties of the different Sn - substituted catalysts were further characterized. The results showed that
, the surface area and surface chemical valence affected the Faraday efficiency of the different catalysts. Moreover the degree of , metal reduction and the ctalyst caused by Sn contents were the main reasons for the
( , , , 1. Key Laboratory of Biofuels Qingdao Institute of Bioenergy and Bioprocess Technology Chinese Academy of Sciences , ; , , , ) Qingdao 266101 China 2. School of Chemistry and Chemical Engineering Qingdao University Qingdao 266071 China
: , Abstract The electrochemical reduction of CO2 to chemicals is an important way to restore the renewable energy and is also an , , ,, important route to decrease the global warming. In this paper the metal - organic framework materials Copper Benzene - 1 3 5 - , Tricarboxylat and Tin oxalate were used as precursors to prepare SnCuOx catalysts with different Sn contents which were employed , , for CO2 electrochemical reduction to formic acid. For the catalysts with the increase of Sn content the Faraday efficiency first , increased and then decreased in the reaction the 50% SnCuOx catalyst showed the highest Faraday efficiency of 47% at -
本文通过采用金属有机骨架材料135均苯三甲酸铜配合物与草酸亚锡为前驱体制备不同比例掺杂的sncuox催化剂体系并将其应用于co2电化学还原制甲酸过程结果表明随着sn掺杂量的增加反应法拉第效率呈现先升高后降低的趋势在183v恒电位电解情况下50sncuox催化剂表现出最高的法拉第效率为47
第4 期
differences in the surface properties of the catalysts. This maucsript is a useful exploration for the preparation of high - efficiency
, CO2 electrochemical reduction catalysts by metal - organic framework materials and it can provide new way for the development of : ,, ; ; ; ; CO2 electrochemical reduction catalysts.
( ) 中图分类号: 文献标识码: 文章编号: O646
A
1008 - 021X 2020 4 - 0035 - 05
CO2 Electrochemical Redution to Formic Acid Over the SnCuOx Catalysts
, , , Guo Xianghe1,2 Li Bingshuang1 Liu Guangbo1 Zi Zhongyue1
出最高的法拉第效率为47%。进一步对不同Sn 掺杂量的催化剂进行结构和性质表征。结果表明,催化剂比表面积、表面化学价态等物
理化学性质的变化是催化剂法拉第效率呈现先升高后降低的主要原因。不同Sn 掺杂量引起的催化剂中金属还原程度、晶形结构的变
索化关,,键可则词为是:1复引,3合起,5催C-O化均2剂电苯表化三面学甲性还酸质原铜发催配生化合变剂物化的;金的开属主发有要提机原供骨因新架。思材本路料论。;文Sn的C研uO究x 催是化金剂属;有二机氧骨化架碳材;电料化复学合还制原备;高甲效酸CO2 电化学还原催化剂的有益探
郭祥贺,等:SnCuOx 催化剂电化学还原CO2 制甲酸性能研究
·35·
SnCuOx 催化剂电化学还原CO2 制甲酸性能研究
郭祥贺1,2,李冰爽1,刘广波1,訾仲岳1
(1. 中国科学院青岛生物能源与过程研究所,山东青岛 266101; 2. 青岛大学化学与化工学院,山东青岛 266071)
1程摘,3,要,结5:果C-O均表2 电苯明化三随学甲着还酸Sn原铜掺制配杂备合量化物的学与增品草加是酸,可反亚再应锡生法为能拉前源第驱存效体贮率,制利呈备用现不的先同重升比要高例方后掺式降杂,低也的的是趋S应n势C对u,O气在x 候催-1变化. 8化剂3V的体恒重系电要,并位手将电段其解。应情本用况文于下通C,过5O0采2%电用S化n金C学属uO还有x 催原机化制骨剂甲架表酸材现过料
1 83V. The structures and properties of the different Sn - substituted catalysts were further characterized. The results showed that
, the surface area and surface chemical valence affected the Faraday efficiency of the different catalysts. Moreover the degree of , metal reduction and the ctalyst caused by Sn contents were the main reasons for the