Here, β-Li 3 PS 4 solid electrolytes were prepared via liquid-phase synthesis by dissolving Li 2 S and P 2 S 5 in ethylenediamine (EDA) to form a homogeneous solution of Li 3 PS 4. Since EDA is a basic protonic solvent, it effectively suppressed the decomposition of Li 3
Leaching parameters such as ratio (1:1), leaching temperature (60 °C), and reaction time (15 min) for were systematically optimized, resulting in a selective separation
Here, benign polyethylene glycol-based deep eutectic solvents (DES) were designed and further used for the dissolution of LiCoO 2 under mild conditions with high solubility. This work provides a new route for the green
Lithium λ-MnO2 ion-sieves were prepared from spinel LiMn2O4 via treatment with nitric acid. The LiMn2O4 was synthesized by a solid state reaction between LiOH·H2O and MnO2. The effects of the calcination time and temperature on the preparation of the LiMn2O4 precursor and the lithium ion-sieve were investigated. In addition, the Li+ extraction ratio, the
X.S. Huang, A lithium-ion battery separator prepared using a phase inversion process. J. Power Sources 216, 216–221 (2012) Article Google Scholar H.J. Wang, T.P. Wang, S.Y. Yang et al., Preparation of thermal stable porous polyimide membranes by phase inversion process for lithium-ion battery. Polymer 54, 6339–6348 (2013)
Here, benign polyethylene glycol-based deep eutectic solvents (DES) were designed and further used for the dissolution of LiCoO 2 under mild conditions with high solubility. This work provides a new route for the green recovery of lithium-ion cathodes with high efficiency and low energy consumption.
In this paper, rapid separation and efficient recovery of lithium and manganese were achieved through "manganese precipitation - acid leaching of manganese - impurities removal by sulfide precipitation" for the leaching solution of spent lithium-ion batteries powder.
The recycling of cathode materials from spent lithium-ion battery has attracted extensive attention, but few research have focused on spent blended cathode materials. In reality, the blended materials of lithium iron phosphate and ternary are widely used in electric vehicles, so it is critical to design an effective recycling technique. In this study, an efficient method for
Preparing batteries with high energy and power densities, elevated cycleability and improved safety could be achieved by controlling the microstructure of the electrode
Here, β-Li 3 PS 4 solid electrolytes were prepared via liquid-phase synthesis by dissolving Li 2 S and P 2 S 5 in ethylenediamine (EDA) to form a homogeneous solution of Li
In this study, Li 3 V 2 (PO 4) 3 (LVP) powders are prepared by a solution synthesis method. The effects of two reducing agents on crystal structure and morphology and electrochemical properties are investigated. Preliminary studies on reducing agents such as oxalic acid and citric acid, are used to reduce the vanadium (V) precursor.
Over the past decades, lithium (Li)-ion batteries have undergone rapid progress with applications, including portable electronic devices, electric vehicles (EVs), and grid energy storage. 1 High-performance electrolyte materials are of high significance for the safety assurance and cycling improvement of Li-ion batteries. Currently, the safety issues originating from the
Preparing batteries with high energy and power densities, elevated cycleability and improved safety could be achieved by controlling the microstructure of the electrode materials and the interaction they have with the electrolyte over the working potential window.
In this paper, we present a simple and efficient solvometallurgical process for the purification of technical-grade LiCl to a high-purity final solution product (> 99.5% of Li) that is suitable for further conversion into a battery-grade LiOH·H 2 O, for instance by an electrodialysis process [16, 21].
Leaching parameters such as ratio (1:1), leaching temperature (60 °C), and reaction time (15 min) for were systematically optimized, resulting in a selective separation efficiency of 99.98 % for lithium ions. Furthermore, in-situ regeneration of the precursor can be achieved during the leaching process.
We present an efficient and scalable method to produce thin TMs via photopolymerization-induced phase separation (PIPS) in ambient conditions. The pore size is controllable and tuneable by varying the ratio between propylene carbonate
Battery grade LiOH·H 2 O could be prepared from the Li-rich water leaching solution. The current paper presents an innovative route for selective lithium extraction, followed by production of battery grade LiOH·H 2 O via reductive hydrogen roasting, water leaching and LiOH·H 2 O crystallization.
Two-dimensional (2D) materials combined with carbonaceous materials have shown remarkable properties for boosting the performance of lithium-ion batteries (LIBs). Precise spatial modulation and accurate transmission characteristics of electronic conductivity require good contact between materials. Herein, the preparation of a molybdenum
Polyolefin-based lithium-ion battery separators generally exhibit poor wettability and low porosity, which hamper their ability to preserve electrolyte solution, thus adversely
Polyolefin-based lithium-ion battery separators generally exhibit poor wettability and low porosity, which hamper their ability to preserve electrolyte solution, thus adversely impacting battery performance because it correlates with ionic transport. Therefore, developing a separator with better wettability and porosity has received
In this paper, we present a simple and efficient solvometallurgical process for the purification of technical-grade LiCl to a high-purity final solution product (> 99.5% of Li) that
The remarkable development of portable electronic devices has led to increasing demand on lithium ion battery (LIB) with high energy densities and capacities to facilitate compact and lighter portable electronic equipment [1], [2], [3], [4] replacing the liquid electrolyte currently in use, the gel polymer electrolyte yields several advantages including high energy
In this study, Li 3 V 2 (PO 4) 3 (LVP) powders are prepared by a solution synthesis method. The effects of two reducing agents on crystal structure and morphology and
The spent LIBs used in this work were provided by Guangdong Brump Recycling Technology Co., Ltd. These spent batteries, which included a lithium nickel-manganese-cobalt oxide (LiNi x Co y Mn 1-x-y O 2, NCM), were discharged using a saturated sodium chloride solution until the voltage drops below 0.5 V bsequently, they were manually
The recycling of lithium-ion batteries (LIBs) is becoming increasingly important, as evidenced by the increasing number of publications devoted to this problem [1].The growing interest is due to the desire to reduce the environmental impact, the possibility of recovering valuable metals and the associated economic benefits [2, 3].However, the latter are only possible if the
We present an efficient and scalable method to produce thin TMs via photopolymerization-induced phase separation (PIPS) in ambient conditions. The pore size is controllable and
In this paper, rapid separation and efficient recovery of lithium and manganese were achieved through "manganese precipitation - acid leaching of manganese - impurities
Ring-opening polymerization also provides an applicable solution for in situ preparation of GPEs. For example, His research mainly focuses on novel electrolytes, nanoporous metal electrodes, and their applications in lithium-ion batteries, metal-air batteries, and new devices. Yonggang Wang received his PhD in physical chemistry from Fudan
Preparation of Lithium Cobalt Oxide by LiCl-Flux Method for Lithium Rechargeable Batteries Weiping Tang, z Hirofumi Kanoh,* and Kenta Ooi Shikoku National Industrial Research Institute, Hayashi-cho, Takamatsu, Japan A new type of lithium cobalt oxide was prepared by a LiCl-flux method at 650°C. The sample consists of polyhedron crystals
In this paper, an environmentally friendly method for efficient separation and recovery of lithium and manganese in the leaching solution of spent lithium-ion batteries powder was proposed. The research showed that:
In this paper, rapid separation and efficient recovery of lithium and manganese were achieved through “manganese precipitation - acid leaching of manganese - impurities removal by sulfide precipitation” for the leaching solution of spent lithium-ion batteries powder.
Leaching parameters such as ratio (1:1), leaching temperature (60 °C), and reaction time (15 min) for were systematically optimized, resulting in a selective separation efficiency of 99.98 % for lithium ions. Furthermore, in-situ regeneration of the precursor can be achieved during the leaching process.
After the hydrogen reduction roasting and water leaching, 200 mL of the resultant solution obtained was evaporated down to 20 mL at 110 °C, and then cooled to 50 °C in order to prepare lithium hydroxide. The subsequent product was washed by a saturated lithium hydroxide solution with a liquid to solid ratio of 1, before being dried at 80 °C.
Having a highly porous separator membrane is vital in enhancing battery capacity, as pores serve as paths for the passage of ions between both electrodes . It is feasible to optimize a lithium-ion battery (LIB) separator’s performance by modifying its porosity and pore size strategically.
Preparing batteries with high energy and power densities, elevated cycleability and improved safety could be achieved by controlling the microstructure of the electrode materials and the interaction they have with the electrolyte over the working potential window.
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