In this article, the role of copper (Cu) as a redox additive and dopant on the performance of Polyaniline (PANI) based supercapacitor was thoroughly investigated. The electrochemical properties of PANI in H2SO4, H2SO4+CuSO4 and Cu doped PANI in H2SO4 were studied using Cyclic Voltammetry (CV) and Impedance Spectroscopy (IS). The CV result indicates that the capacity of PANI in H2SO4 was signifi...

It is well known that adsorption density of a multivalent metal ions (M) on a variety of substrates increases sharply only at pHs where the concentration of the singly-charged hydroxo complex (M(OH)(z-1)) is appreciable (1-4). In Chapter 4, a new mechanism was proposed to explain why adsorption of these hydroxo-complexes may be thermodynamically more favorable than that of the unhydrolyzed meta...

The aqueous extract from the bark of Punica granatum L. was invested to generate CuO nanoparticles CuSO4 using a green, economical, ecological, and clean method. synthesized were characterized successfully used as adsorbents for methyl green retention an absorptive capacity amounting 28.7 mg g?1. Methyl equilibrium adsorption data correlated Langmuir model following pseudo-second order kinetics...

in this study an easy, green, efficient and simple approach is reported for the synthesis of some benzothiazole-, benzimidazole- and benzoxazole-2-thiolderivatives. the proposed approach employs the reaction of corresponding aromatic amine with potassium isopropyl xanthate (z11) in the presence of copper sulfate (cuso4) as a catalyst under conventional heating and ultrasonic irradiation. the ad...

Keratin was extracted from purified cornified cells of newborn rats in Tris-HCl-buffered 8 M urea containing beta-mercaptoethanol. Microfilaments were assembled in vitro by reducing the ionic strength of buffer and the urea concentration. One millimolar concentration of KCl and NaCl did not affect filament formation, but the same concentration of divalent cations greatly altered this process. C...