The bottleneck of recycling chains for spent lithium-ion batteries (LIBs) is the recovery valuable metals from black matter that remains after dismantling and deactivation in pre‑treatment processes, which has to be treated a subsequent step with pyrometallurgical and/or hydrometallurgical methods. In course this paper, investigations heating microscope were conducted determine high-temperature...

In the processes of wastewater treatment, significant amounts of iron phosphate containing sludge is discharged. One of the recycling methods of this sludge, alkalization treatment is investigated. aq. solution of sodium hydroxide is added to the dehydrated sludge. Iron phosphate in the sludge react with sodium hydroxide, forming sodium phosphate and iron hydroxide containing-sludge at room tem...

Abstract To improve the battery performance of lithium-ion batteries (LIBs), modifying anodes and cathodes LIBs using laser beams to prepare through-holes, nonthrough-holes or ditches in arrangements grid line patterns has been proposed by many researchers engineers. In this study, a system with roll-to-roll machine, which realizes modification without large changes present mass-production syst...

Abstract Lithium-ion batteries have become the primary battery technology used for electric and hybrid vehicles powertrains. Battery temperature, however, is a critical factor these devices, as it influences performance life-time safety must be preferably kept in 15-35 °C range. A dynamic electro-thermal model of lithium iron phosphate was developed. The predicts voltage temperature evolution d...

From the Research Division, J. T. Baker Chemical Co., Phillipsburg, N. J. 08865. 1 Paper IV in the series “The Practical Analysis of High-Purity Chemicals.” Presented at the 22nd National Meeting of the AACC, Buffalo, N.Y., July 1970. Received April22, 1971; accepted June 3, 1971. Calcium carbonate Lithium carbonate Magnesium acetate Potassium chloride Potassium monobasic phosphate Sodium chlor...

Lithium iron phosphate (LiFePO4) electrodes with fractal granularity are reported. They were made from a starting material prepared in water by a low cost, easy and environmentally friendly hydrothermal method, thus avoiding the use of organic solvents. Our method leads to pure olivine phase, free of the impurities commonly found after other water-based syntheses. The fractal structures consist...

Reduction-oxidation (redox) reactions are the key processes that underlie the batteries powering smartphones, laptops, and electric cars. A redox process involves transfer of electrons between two species. For example, in a lithium-ion battery, current is generated when conduction electrons from the lithium anode are transferred to the redox orbitals of the cathode material. The ability to visu...

in order to investigation the effect of different fertilization treatments on nutrient and essential oil contents in dragonhead drug (dracocephalum moldavica l.), an experiment was conducted in the station of agricultural research in urmia on 2008. treatments (nitroxin, barvar phosphate biofertilizer, biosulfur, nitroxin+ barvar phosphate biofertilizer, barvar phosphate biofertilizer + biosulfu...

As lithium-ion battery (LIB) cells degrade over time and usage, it is crucial to understand their remaining capacity, also known as State of Health (SoH), inconsistencies between in a pack, cell-to-cell variation (CtCV), appropriately operate maintain LIB packs. This study outlines efforts model pack SoH CtCV nickel-cobalt-aluminum (NCA) lithium-iron-phosphate (LFP) packs consisting four series...

Various works have been carried out on lithium-ion batteries for improving the different conductivities of electrode materials. For this purpose, electrochemical impedance spectroscopy is a technique choice to understand elementary processes that take place during charge/discharge steps and quantify their respective contribution in total impedance. However, some materials, such as lithium iron ...