These were performed using sulfuric acid as a leaching agent, and parameters such as solid/liquid ratio (S/L), acid concentration, temperature, and time were studied. The S/L ratios were determined from the ratio between the mass of active materials in the batteries and the volume of sulfuric acid used (g of battery sample: mL of acid). Section snippets Materials …
These were performed using sulfuric acid as a leaching agent, and parameters such as solid/liquid ratio (S/L), acid concentration, temperature, and time were studied. The S/L ratios were determined from the ratio between the mass of active materials in the batteries and the volume of sulfuric acid used (g of battery sample: mL of acid). Section snippets Materials …
Traditional hydrometallurgical methods for recovering spent lithium-ion batteries (LIBs) involve acid leaching to simultaneously extract all valuable metals into the leachate. These methods usually are followed by a …
In this study, a hydrometallurgical process was adopted for the comprehensive recovery of nickel, manganese, cobalt and lithium from sulfuric acid leaching liquor from waste cathode materials of ...
In view of increasing demand of Li, lack of natural resources and generation of huge spent LIBs containing black mass (LiCoO 2), present paper reports a developed process at CSIR-NML consist of sulfuric acid roasting followed by water leaching for selective recovery of Li from black mass (LiCoO 2) of spent LIBs.
Conventional spent lithium-ion battery (LIB) recycling procedures, which employ powerful acids and reducing agents, pose environmental risks. This work describes a unique and environmentally acceptable bioleaching method for Li and Mn recovery utilizing Acidithiobacillus thiooxidans, a sulfur-oxidizing bacteria that may produce sulfuric acid ...
When considering resource shortages and environmental pressures, salvaging valuable metals from the cathode materials of spent lithium-ion batteries (LIBs) is a very promising strategy to realize the green and sustainable development of batteries. The reductive acid leaching of valuable metals from cathode materials using methanol as a reducing agent was …
Conventional spent lithium-ion battery (LIB) recycling procedures, which employ powerful acids and reducing agents, pose environmental risks. This work describes a unique and environmentally acceptable bioleaching method for Li and Mn recovery utilizing Acidithiobacillus thiooxidans, a sulfur-oxidizing bacteria that may produce sulfuric acid ...
According to the experimental results, the battery powder after the treatment of carbonated water can effectively reduce the amount and concentration of acid required for acid leaching. Dilute sulfuric acid can promote the breaking of metal–oxygen bonds in the crystal lattice, and promote the reaction process to strengthen, thus improving the ...
The rapid development of new energy vehicles and Lithium-Ion Batteries (LIBs) has significantly mitigated urban air pollution. However, the disposal of spent LIBs presents a considerable threat to the environment. Recycling these waste LIBs not only addresses the environmental issues but also compensates for resource shortages and generates substantial …
Excess sulfuric acid which is needed for the leaching process of spent lithium-ion batteries is commonly neutralized generating significant waste streams. This research aims to extract and recover sulfuric acid using tri-n-octylamine as an extraction agent. 1-octanol, 2-ethylhexanol, and tributyl phosphate are investigated as synergetic ...
In this study, we successfully leached valuable metal ions such as Ni, Co, Mn, and Li from spent lithium-ion battery cathode materials. However, the efficient recovery and reuse of these metal ions were crucial for advancing sustainable battery recycling technologies. Future research could explore the following two strategies to achieve this goal:
The present work focuses on the processing of cathode active material of spent lithium ion batteries to improve the recovery of constituent metals using reducing agents. Reductants enhance the solubility of metals, …
Other Uses for the Sulfuric Acid in Sealed Batteries. The battery industry''s uptake is relatively small, although significant in terms of transport. One of sulfuric acid''s most important roles is acid dipping in the steel industry to …
Keywords: selective leaching; oxalic acid; sulfuric acid; spent lithium-ion batteries 1. Introduction Lithium-ion batteries (LIBs) are commonly used as new energy power batteries due to their long cycle life, high spe-cific energy, low self-discharge rate, compact size, high oper-ating voltage, no memory effect, wide temperature range, and environmental friendliness. These features make …
In the following experiments, the PVDF was leached in concentrated sulfuric acid (18.4 M) solution and dilute sulfuric acid solution (4 M) to study the change of PVDF. Results from Fig. S1 show the leaching efficiency of F significantly increases with the increase of temperature, especially at 100 °C or above when leaching with concentrated ...
Excess sulfuric acid which is needed for the leaching process of spent lithium-ion batteries is commonly neutralized generating significant waste streams. This research aims to extract and recover sulfuric acid using tri-n-octylamine as an extraction agent. 1-octanol, 2 …
Lithium ion batteries (LIBs) are widely used in the fields of portable electronics such as mobile phones and laptops. With the increasingly serious global environmental pollution, the new energy vehicles powered by LIBs are strongly advocated, further promoting the development of the industry of LIBs [1], [2], [3], [4].The global stock of electric vehicles, …
Recycling spent lithium-ion batteries (LIBs) is crucial for sustainable resource utilization and environmental conservation, especially considering the low recovery rate of lithium from industrial-grade spent batteries powder (black powder). This study presents a cost-effective method using sulfur roasting technique to extract lithium from commercial black powder. Thermal analysis …
Traditional hydrometallurgical methods for recovering spent lithium-ion batteries (LIBs) involve acid leaching to simultaneously extract all valuable metals into the leachate. These methods usually are followed by a series of separation steps such as precipitation, extraction, and stripping to separate the individual valuable metals. In this ...
This research demonstrates a process of selective recovery of spent Ni–Co–Mn (NCM)-based lithium-ion battery by systematically understanding the conversion mechanisms and controlling the sulfur behavior during a modified-sulfation roasting.
In the following experiments, the PVDF was leached in concentrated sulfuric acid (18.4 M) solution and dilute sulfuric acid solution (4 M) to study the change of PVDF. Results from Fig. S1 show the leaching efficiency of F significantly increases with the increase of temperature, especially at 100 °C or above when leaching with concentrated ...
spent lithium-ion batteries (Georgi-Maschler et al., 2012; Cheret and Santen, 2005; Al-Thyabat et al., 2013). The pyrometallurgical processes, however, involve some disadvantages such as materials
A new environmentally friendly and economical recycling process for extracting metals from spent lithium-ion batteries (LIBs) using sulfuric acid and malonic acid as leaching agents is proposed. By applying Box–Behnken design (BBD) and response surface methodology (RSM) optimization techniques, the global optimal solution of the maximum ...
The present work focuses on the processing of cathode active material of spent lithium ion batteries to improve the recovery of constituent metals using reducing agents. Reductants enhance the solubility of metals, which hitherto have been solubilised to a lesser extent using only acid as leaching agent. Thus, we have investigated ...
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