In recent years, global warming issues due to the increase in carbon dioxide (CO2) concentration triggered by use of fossil fuels have become even more serious. Therefore, methanation CO2 has been considered, e.g. Sabatier reaction. This reaction requires catalysts such as Ni, and development capable producing methane with high efficiency is required. our previous studies, it reported that poss...

Supercapacitors, as one of alternative energy devices, have been characterized by the rapid rate of charging and discharging, and high power density. But they are now challenged to achieve their potential energy density that is related to specific capacitance. Thus it is extremely important to make such materials with high specific capacitances. In this report, we have gained homogenous Ni(OH)2...

Mn3O4/Ni foam composites were synthesized by a one-step hydrothermal method in an aqueous solution containing only Mn(NO3)2 and C6H12N4. It was found that Mn3O4 nanorods with lengths of 2 to 3 μm and diameters of 100 nm distributed on Ni foam homogeneously. Detailed reaction time-dependent morphological and component evolution was studied to understand the growth process of Mn3O4 nanorods. As c...

techniques of severe plastic deformation have been successfully used for the production of novel metallic microstructures. among different types of these techniques, accumulative roll bonding (arb) has been extensively used to produce multi-layered composites. in the present study, a new manufacturing process for cu/ni- 1vol% fe3o4 composites was developed by using copper and nickel sheets toge...

We have demonstrated an extremely facile procedure for the preparation of 1D porous Ni@C nanostructures by pyrolysis of Ni-based coordination polymer nanorods. The highly aligned Ni-based polymer nanorods were prepared using nitrilotriacetic acid (NTA) as a chelating agent by a one-step solvothermal approach. The obtained precursors are demonstrated to have a well-designed 1D nanostructure and ...