
A surface strategy boosting the ethylene selectivity for CO
2024年2月10日 · Here, the authors develop a surface strategy to achieve high CO2-to-ethylene selectivity by dodecanethiol modification CuO electrode and show that dodecanethiol facilitates CO2 transfer, enhances...
Cross‐Scale Process Intensification of Spindle CuO Supported …
2024年10月15日 · This work reports spindle CuO supported tungsten single-atom catalysts (W SACs) with tunable mesoscale electric field and atomic-scale coordination structure toward enhanced electrochemical hydrogen ...
Constructing Cu-CuO heterostructured skin on Cu cubes to …
2022年10月5日 · By further regulating the electrochemical active surface area (ECSA) of these novel Cu-based cubes to increase the content of Cu-CuO heterostructured skins per unit mass of the catalyst, the optimal Cu-based cubes can present a mol-level NH 3 yield rate of 3.17 mol h −1 g −1 ranking at the top level among the non-noble metal catalysts, and an ul...
A low crystallinity CuO-SnO 2 /C catalyst for efficient
2023年1月1日 · It is found that CuO and SnO 2 nanoparticles are well distributed on carbon black carrier, resulting in larger value of the electrochemically active surface area (ECSA) and faster electron transfer capacity, which contributes to the enhanced electrocatalytic process.
Electrochemical CO2 reduction to ethylene by ultrathin CuO
2022年4月6日 · Mechanism analyses reveal that the stable nanostructures, stable Cu/Cu 2 O interfaces, and enhanced adsorption of the *OCCOH intermediate preserve selective and prolonged C 2 H 4 production. The...
Surface Structure Reformulation from CuO to Cu/Cu (OH)
2024年8月9日 · Electrochemical conversion of nitrate (NO 3−) to ammonia (NH 3) is a potential way to produce green NH 3 and remediate the nitrogen cycle. In this paper, an efficient catalyst of spherical CuO made by stacking small particles with oxygen-rich vacancies is reported.
Enhanced electrochemical performance of CuO/NiO/rGO for …
2024年1月1日 · The elevated electrochemical surface area (ECSA) value of 132.5 cm 2 was estimated from cyclic voltammetry analysis of optimized CuO/NiO/rGO electrocatalyst. The electrochemical impedance spectrum of the prepared electrocatalyst shows that the low 0.04 Ω charge transfer resistance is highly desirable to the better conductivity.
Optimized Electronic Modification of S-Doped CuO Induced by
2023年7月29日 · S-doped CuO nanorod arrays (S-CuO/CF) constructed by sulfur leaching and oxidative remodeling strategy require only 1.23 and 1.33 V versus hydrogen evolution reaction (HER) to provide glycerol oxidation currents of 100 and 500 mA cm −2.
重磅!ACS Catalysis发文:重新审视Cu催化剂的CO2还原性能!
2022年12月16日 · 铜 (Cu)是目前最有效的单金属 催化 剂,可用于电催化CO2还原反应 (CO2RR)、进行生产有价值的多碳 (C2+)产物,如乙烯和乙醇。 利用分子修饰剂对Cu电极进行功能化是优化金属Cu催化剂活性和选择性的一种方法。 哥本哈根大学Alexander Bagger等人从数据的角度考察了与裸Cu箔和最佳单晶Cu相比,任何已报道的功能化Cu催化剂是否提高了本征催化活性和多碳产物的选择性。 分析表明,活性的增加是由于表面粗糙度的增加,一旦进行电化学 …
Operando time-resolved X-ray absorption spectroscopy reveals …
2020年7月14日 · The result of nearly the same C dl values reflected the fairly stable ECSA of CuO x after the electrolysis and highly suggested the stability of using R.S. Altogether, results of the operando...