Assembly of some composites of Keggin-type polyoxometalate bearing Zn/Cu-organic complexes as high capacity electrode materials

Six polyoxotungstate-based transition metal compounds for electrochemical capacitor application and a comparative analysis of factors affecting capacitances

“…Based on the aforementioned analysis, we presume that, the copper-based compounds with supramolecular structures account for their superior capacitive properties. Very recently, Wang 79 et al synthesized four isostructural and isomorphous supramolecular POM-TMC compounds and carried out electrochemical analyses to evaluate their capacitive properties, and their findings confirmed that the Cu-based supramolecular compounds outperformed the zinc-based supramolecular compounds for capacitors.…”

Cu/Ni Keggin-based viologen complexes with water-assisted 1D proton channels for asymmetric supercapacitors

“…1 Supercapacitors (SCs) are regarded as innovative energy-storage devices owing to their numerous advantages, such as large capacitance, fast charging/discharging, and long lifespan. 2,3 However, it is still a huge challenge to improve the performance of SCs in complex environments. At present, SCs primarily include electric doublelayer capacitors (EDLCs) and pseudo-capacitors.…”