Waste lithium-ion battery recycling technologies (WLIBRTs) cobalt and other metals from positive electrode by graphite of negative electrode at high temperatures, and finally transforming into metal compounds to be separated and recycled [25]. Compared with other traditional pyrometallurgy methods, pyrolysis technology has low equipment requirements and
Customer ServiceOur goal is to present a novel recycling method for waste lithium-ion battery electrode mixed materials, analyze and elucidate the sulfurization roasting-water leaching recovery process, and provide theoretical and data support for pyro-hydrometallurgical combined recovery processes. This research holds significant reference value for the
Customer ServiceWe proposed rational design of Silicon/Graphite composite electrode materials and efficient conversion pathways for waste graphite recycling into graphite negative electrode. Finally, we emphasized the challenges in technological implementation and practical applications, offering fresh perspectives for future battery material research towards waste graphite
Customer ServiceYunchun Zha et al. [124] utilized the LiNO 3:LiOH·H 2 O:Li 2 CO 3 ternary molten salt system to efficiently separate positive electrode materials and aluminum foil while regenerating waste lithium battery positive electrode materials, thereby maintaining the original high discharge performance of the regenerated lithium battery positive electrode materials.
Customer ServiceRetired lithium-ion batteries are rich in metal, which easily causes environmental hazards and resource scarcity problems. The appropriate disposal of retired LIBs is a pressing issue. Echelon utilization and electrode material recycling are considered the two key solutions to addressing these challenges.
Customer ServiceThis paper presents a two-staged process route that allows one to recover graphite and conductive carbon black from already coated negative electrode foils in a water-based and function-preserving manner, and it makes it directly usable as a particle suspension for coating new negative electrodes. In a first step, coating residues, which
Customer ServiceLIB direct recycling, also known as "closed-loop recycling" or "electrode materials direct reuse," is considered as an innovative approach that helps minimize waste, reduce the environmental impact of battery production, and promote a more circular economy in the field of battery. Although a closed loop is achievable, there is no ideal
Customer ServiceIf the positive and negative electrodes are the bones of lithium-ion batteries, the electrolyte is the blood flowing in the battery, which is an important carrier for the diffusion of lithium ions and the prerequisites for the electrochemical reaction of LIBs.
Customer ServiceTypical direct, pyrometallurgical, and hydrometallurgical recycling methods for recovery of Li-ion battery active materials. From top to bottom, these techniques are used by OnTo, (15) Umicore, (20) and Recupyl
Customer ServiceWith the rising demand for lithium-ion batteries (LIBs), it is crucial to develop recycling methods that minimize environmental impacts and ensure resource sustainability.
Customer ServiceLithium-ion batteries (LIBs) are generally constructed by lithium-including positive electrode materials, such as LiCoO2 and lithium-free negative electrode materials, such as graphite. Recently
Customer ServiceLi et al. developed a new electrochemical device for the direct recovery of valuable metals from spent LiCoO 2 batteries under the conditions of a current density of 500 A/m 2 and a temperature of 60 °C, by which Li + and Co 2+ reached their respective optimal leaching rates, further demonstrating the feasibility of electrochemical leaching in
Customer ServiceLithium ions move from the negative electrode to the positive electr The application and recycling of all-solid-state lithium batteries will help to solve the problem of waste lithium
Customer ServiceTypical direct, pyrometallurgical, and hydrometallurgical recycling methods for recovery of Li-ion battery active materials. From top to bottom, these techniques are used by OnTo, (15) Umicore, (20) and Recupyl (21) in their recycling processes (some steps have been omitted for brevity).
Customer ServiceToshiba has manufactured electrodes using NTO recycled from simulated electrode waste produced during battery manufacturing processes as well as from batteries with simulated degradation up to their end of life. After evaluating their performance in batteries, it was confirmed that the active material capacity, an indicator of active material performance,
Customer ServiceWith the rising demand for lithium-ion batteries (LIBs), it is crucial to develop recycling methods that minimize environmental impacts and ensure resource sustainability. The focus of this short review is on the electrochemical techniques used in LIB recycling, particularly electrochemical leaching and electrodeposition.
Customer ServiceThis paper presents a two-staged process route that allows one to recover graphite and conductive carbon black from already coated negative electrode foils in a water
Customer ServiceRetired lithium-ion batteries are rich in metal, which easily causes environmental hazards and resource scarcity problems. The appropriate disposal of retired
Customer ServiceA major leap forward came in 1993 (although not a change in graphite materials). The mixture of ethyl carbonate and dimethyl carbonate was used as electrolyte, and it formed a lithium-ion battery with graphite material. After that, graphite material becomes the mainstream of LIB negative electrode [4]. Since 2000, people have made continuous
Customer ServiceIf the positive and negative electrodes are the bones of lithium-ion batteries, the electrolyte is the blood flowing in the battery, which is an important carrier for the diffusion of lithium ions and the prerequisites for the electrochemical reaction
Customer ServiceOur goal is to present a novel recycling method for waste lithium-ion battery electrode mixed materials, analyze and elucidate the sulfurization roasting-water leaching recovery process, and provide theoretical and data support for pyro-hydrometallurgical
Customer ServiceFor a large amount of spent lithium battery electrode materials (SLBEMs), direct recycling by traditional hydrometallurgy or pyrometallurgy technologies suffers from high cost and low efficiency and even serious secondary pollution. Therefore, aiming to maximize the benefits of both environmental protection and e-waste resource recovery, the applications of SLBEM
Customer ServiceFor a large amount of spent lithium battery electrode materials (SLBEMs), direct recycling by traditional hydrometallurgy or pyrometallurgy technologies suffers from high cost and low efficiency and even serious secondary pollution.
Customer ServiceImproperly recycled batteries can create toxic waste, especially from toxic metals, and are at risk of fire. Generally, the negative electrode of a conventional lithium-ion cell is graphite made from carbon. The positive electrode is
Customer ServiceLi et al. developed a new electrochemical device for the direct recovery of valuable metals from spent LiCoO 2 batteries under the conditions of a current density of 500
Customer ServiceHistorically, lithium was independently discovered during the analysis of petalite ore (LiAlSi 4 O 10) samples in 1817 by Arfwedson and Berzelius. 36, 37 However, it was not until 1821 that Brande and Davy were
Customer ServiceFor a large amount of spent lithium battery electrode materials (SLBEMs), direct recycling by traditional hydrometallurgy or pyrometallurgy technologies suffers from high cost and low efficiency and even serious
Customer ServiceThe diamond-wire sawing silicon waste (DWSSW) from the photovoltaic industry has been widely considered as a low-cost raw material for lithium-ion battery silicon-based electrode, but the effect mechanism of impurities presents in DWSSW on lithium storage performance is still not well understood; meanwhile, it is urgent to develop a strategy for
Customer ServiceLIB direct recycling, also known as "closed-loop recycling" or "electrode materials direct reuse," is considered as an innovative approach that helps minimize waste, reduce the environmental impact of battery production,
Customer ServiceToshiba has manufactured electrodes using NTO recycled from simulated electrode waste produced during battery manufacturing processes as well as from batteries
Customer ServiceThe waste lithium-ion battery electrode materials used in this study were procured from the electronic market. The obtained lithium-ion battery electrode powder underwent sieving with a 100-mesh sieve to eliminate impurities like battery plastic packaging.
Moreover, as can be seen from the EDS mappings before and after the leaching, the Co content is significantly reduced after the leaching, indicating that the active material of the waste lithium batteries cathode has been leached completely. Fig. 7. SEM image and EDS spectrum (a) before and (b) after the leaching of waste lithium battery.
The electrode material is generally adhered to the current collector with a binder in waste lithium-ion batteries. The separation of active materials and current collectors in high purity is a critical prerequisite for the recycling of spent LIBs.
Although mechanical-physical methods and hydrometallurgical processes are the earliest and simplest recycling technologies for waste lithium batteries, they have the disadvantages of high cost, high energy consumption and easy generation of secondary pollution ( Ali et al., 2022, Wang et al., 2022c ).
The battery recycler bears the most important responsibility in the recycling of used lithium-ion batteries: a) It is still necessary to continue to explore the suitable recycling technology to cope with the rapid development of batteries.
Retired lithium-ion batteries are rich in metal, which easily causes environmental hazards and resource scarcity problems. The appropriate disposal of retired LIBs is a pressing issue. Echelon utilization and electrode material recycling are considered the two key solutions to addressing these challenges.
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