A composite electrode of carbon nanotube CNT@Mn3O4 nanocable was successfully synthesized via direct electrophoretic deposition onto a copper foil, followed by calcination. By uniformly depositing Mn3O4 nanoparticles on CNTs, structure can be formed, where the CNT acts as “highway” for electrons and ions to facilitate fast transportation. Moreover, capacitive energy storage processes play cruci...

Potentiodynamic, impedance measurements were carried out on 304 stainless steel in 0.5N, 1.0, 2.0 and 5.0 N H2SO4 solutions. X-ray photoelectron spectroscopic [XPS] studies carried out on 304 stainless steel in H2SO4 solutions revealed the existence of CrOOH, Cr2O3, -Fe2O3, FeOOH, Mn2O3, Mn3O4, MnS, Ni (OH)2, Ni2O3, NiO, sulphides. The passive film found to contain chromium oxide inner layer an...

Microwave or ultrasonic treatment of metal alkoxides presents a fast, low cost route to both anode and cathode nanomaterials for Li-ion battery applications. Here, we demonstrate the formation of LiMPO4 (M = Fe, Mn) and Mn3O4 nanostructures via this simple route which exhibit excellent electrochemical performances. This approach opens up a new avenue for the targeted design of nanostructured ma...

A myriad of core/shell nanoparticles (NPs) have been developed and studied in the last decades aiming at the increase of functionality, stability, dispersibility, biocompatibility, and specific targeting, for instance.1 Shells can also interact synergetically with the core by changing lattice parameters, resulting in strain-engineered materials with tuned, improved, and new properties.2,3 This ...

Constructing heterojunctions and hollow multi-shelled structures can render materials with fascinating physicochemical properties, have been regarded as two promising strategies to overcome the severe shuttling sluggish kinetics of polysulfide in lithium–sulfur (Li–S) batteries. However, a single strategy only take limited effect. Modulating catalytic hosts synergistic effects are urgently desi...

This study investigated the effect of oxides on removal As when present in simple mixtures with granular activated carbon (GAC) particles. The performance these was compared other reported GAC-based adsorbents. A standard curve for ultraviolet adsorption vs. concentration obtained using silver diethyldithiocarbamate (SDDC) method to evaluate various samples. preliminary carried out find optimal...