PPy enhanced Fe, W Co-doped Co3O4 free-standing electrode for highly-efficient oxygen evolution reactionOxygen evolution reactionFree-standing electrodeElectrodepositionPPyElectrochemical catalysts for the oxygen evolution reaction (OER) play a key role in highly-efficient water splitting and many other ...
For this purpose, Co3O4 ceramic oxide was selected as one of the most powerful electrochemical catalyst oxides with high oxygen carrier capability [12], and tungsten as a material with substantial mechanical properties and its ability to modify the microstructure [19]. To produce the W-Co3O4...
The W–Co3S4@Co3O4 material present superior catalytic performance for oxygen evolution reaction (OER) and hydrogen evolution reaction (HER), and the overpotential at 10 mA cm?2 is 260 mV and 140 mV, respectively. Notably, W–Co3S4@Co3O4 catalyst showed excellent water splitting ...
2.2.3 Preparation of W–O‑Co MOF Nanoarrays on NF A piece of ZIF-L/NF was immersed into the mixture solu- tion of 100 mL ethanol/deionized water (1:4 in volume) con- taining different amount of Na2WO4 (0, 0.2, 0.4, 0.6, 0.8, and 1.0 g). After ...
Sustainable oxygen evolution electrocatalysis in aqueous 1 M H2SO4with earth abundant nanostructured Co3O4 ArticleOpen access27 July 2022 Introduction Splitting water molecules to gaseous hydrogen and oxygen using renewable resources such as solar energy represents one of the biggest challenges facing ...
Inorganic metal oxide nanocrystals containing Co3O4 (110) nanorods [8], CeO2 (110) sheets/CeO2 (110)/(100) nanorods [9–11], TiO2 (001) nanobelts [12–14], and Cu2O (111) polyhedron/Cu2O (110) rhombic dodecahedra [15,16] have also been found to show great superiority in ...
(BET)对材料的形貌和结构进行了表征.采用电化学工作站对材料的电化学性能进行了测试,探讨了不同温度下制备的催化剂的析氧反应(OER)性能.结果表明,所制备的花状Co3O4(f)的电催化性能较商业Co3O4和Co3O4(r)有大幅度提高.在450℃下煅烧制备的微纳米花状Co3O4(f)材料具有最为优异的电催化性能,其在电流...
Co_5(O_(9.48)H_(8.52))NO_3与含S无定形态化合物的混合物.这种含Fe的Fe_xNi_(1-x)Co_2-S/NF电极具有优异的OER催化活性.其中Fe_(0.5)Ni_(0.5)Co_... 程兰紫 被引量: 0发表: 0年 污泥好氧堆肥过程中有机质含量的变化 【目的】研究污泥好氧堆肥过程中有机质含量的变化,为提高污泥堆肥质量及正...
An effective bi-functional electrocatalyst of Co3O4/Polypyrrole/Carbon (Co3O4/Ppy/C) nanocomposite was prepared through a simple dry chemical method and used to catalyze the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER). Three types of carbon support as Vulcan carbon, ...
Isolated Octahedral Pt-Induced Electron Transfer to Ultralow-Content Ruthenium-Doped Spinel Co3O4 for Enhanced Acidic Overall Water Splittingdoi:10.1021/jacs.4c07089The development of a highly active and stable oxygen evolution reaction (OER) electrocatalyst is desirable for sustainable and efficient ...