In this work, a paraffin- metal foam composite were prepared by the vacuum impregnation method. Aluminum and nickel foams used. The aim of study is to characterize thermal behavior these composites with view their use for management Li-ion batteries. First, conductivities diffusivities in solid state evaluated using Hot Disk Thermal Constants Analyzer (TPS 2500S) Transient Guarded Plate Techniq...

Electrochemical oxygen evolution reaction (OER) activity was studied on nickel foam-based electrodes. The OER investigated in 0.1 M NaOH solution at room temperature as-received and Co- or Mo-modified Ni foam anodes. Corresponding values of charge-transfer resistance, exchange current-density for the other electrochemical parameters examined composites were recorded. electrodeposition Co Mo bas...

A novel three-dimensional network nickel foam/PbO2 combination electrode (PbO2-NF) with high electrochemical degradation efficiency to norfloxacin was successfully fabricated through the electrodeposition of PbO2 on substrate foam. The characterization an PbO2-NF electrode, including surface morphology, elemental components, performance, and stability performed. In oxidation tests, removal (ini...

Removal of dye from wastewater has been investigated using the electrocoagulation method. Batch experiment conducted to remove color synthetically prepared acid red 87dye wastewater. Stainless steel and nickel foam sheets are used as cathode anode, respectively. The effect some operating parameters, such current density, initial concentration supporting electrolyte concentration, on removal stu...

Unique room temperature-formed iron-doped nickel hydroxide on Ni foam as a 3D electrode in alkaline electrolyte offers fast gas dissipation, a high number of active sites and a high oxidation state of Ni for an improved oxidation ability for the oxygen evolution reaction (OER), which delivers an OER current density of 100 mA cm-2 at an overpotential of 0.312 V and 96.3% retention after 100 h at...

A facile approach composed of hydrothermal process and annealing treatment is proposed to directly grow cobalt-manganese composite oxide ((Co,Mn)3O4) nanostructures on three-dimensional (3D) conductive nickel (Ni) foam for a supercapacitor electrode. The as-fabricated porous electrode exhibits excellent rate capability and high specific capacitance of 840.2 F g(-1) at the current density of 10 ...

Hierarchical copper oxide @ ternary nickel cobalt sulfide (CuO/Cu₂O@NiCo₂S₄) core-shell nanowire arrays on Cu foam have been successfully constructed by a facile two-step strategy. Vertically aligned CuO/Cu₂O nanowire arrays are firstly grown on Cu foam by one-step thermal oxidation of Cu foam, followed by electrodeposition of NiCo₂S₄ nanosheets on the surface of CuO/Cu₂O nanowires to form the ...

A strategy for growth of porous Ni₂GeO₄ nanosheets on conductive nickel (Ni) foam with robust adhesion as a high-performance electrode for Li-ion batteries is proposed and realized, through a facile two-step method. It involves the low temperature hydro-thermal synthesis of bimetallic (Ni, Ge) hydroxide nanosheets precursor on Ni foam substrates and subsequent thermal transformation to porous N...