A selective leaching process is proposed to recover Li, Fe, and P from the cathode materials of spent lithium iron phosphate (LiFePO4) batteries. It was found that using stoichiometric H2SO4 at a low concentration as a …
Conclusions With the synergistic effect of the reducing ability of oxalic acid and the acidic strength of sulfuric acid, this study proposes a method for recovering valuable metals from spent lithium-ion battery cathode materials with composite leaching agents of sulfuric acid and oxalic acid.
Looking at the above aspect of perspective problem of selective lithium extraction from spent LIBs, present paper reports the sulfuric acid roasting, water leaching and precipitation process for selective recovery of lithium from discarded lithium-ion batteries.
Therefore, the compound leaching agents of sulfuric acid and oxalic acid are the first to recover valuable metals from the cathode materials of NCM ternary lithium-ion batteries. The H + ionized by environmentally friendly oxalic acid can enhance the acidity of the solution and reduce the amount of cheap sulfuric acid.
Haijun Yu, Dongxing Wang, Shuai Rao, Lijuan Duan, Cairu Shao, Xiaohui Tu, Zhiyuan Ma, Hongyang Cao, and Zhiqiang Liu, Selective leaching of lithium from spent lithium-ion batteries using sulfuric acid and oxalic acid, Int. J. Miner. Metall.
Lithium (Li) is one of the important elements used in the manufacturing of lithium-ion batteries (LIBs).
Lithium is one of the lightest elements used in the manufacturing of lithium-ion batteries (LIBs) to enhance the energy storage capacity of batteries [ 1 ].
A selective leaching process is proposed to recover Li, Fe, and P from the cathode materials of spent lithium iron phosphate (LiFePO4) batteries. It was found that using stoichiometric H2SO4 at a low concentration as a …
Car battery acid is an electrolyte solution that is typically made up of 30-50% sulfuric acid and water. The concentration of sulfuric acid in the solution is usually around 4.2-5 mol/L, with a density of 1.25-1.28 kg/L.The pH of the solution is approximately 0.8.. Sulfuric acid is the main component of car battery acid and is a strong acid composed of sulfur, hydrogen, …
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 …
This study shows that gradually adding biogenic sulfuric acid can efficiently recover Li and Mn from waste LIBs. This approach has several environmental and economic advantages over conventional methods. The step-wise addition optimizes the leaching environment, increasing metal recovery rates while reducing the development of ...
Traditional hydrometallurgical methods for recovering spent lithium-ion batteries (LIBs) involve acid leaching to simultaneously extract all valuable metals into the leachate. These methods...
Lead-acid batteries can leak sulfuric acid, while lithium. Battery leakage occurs when chemicals escape from a battery, posing risks to humans and devices. Lead-acid batteries can leak sulfuric acid, while lithium . Home; Products. Lithium Golf Cart Battery. 36V 36V 50Ah 36V 80Ah 36V 100Ah 48V 48V 50Ah 48V 100Ah (BMS 200A) 48V 100Ah (BMS 250A) 48V …
The electrolyte in lithium batteries is not an acidic substance like sulfuric acid in lead-acid batteries. Instead, the electrolyte consists of lithium salts that are dissolved in organic solvents or polymers. The purpose of the electrolyte is to allow the movement of lithium ions between the anode and cathode during the charging and discharging process. It acts as a …
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.
This work describes a unique and environmentally acceptable bioleaching method for Li and Mn recovery utilizing Acidithiobacillus thiooxidans, a sulfur-oxidizing bacteria …
Synergistic leaching of sulfuric and organic acids (citric/acetic) was investigated. Sulfuric acid (1.25 M) + citric (0.55 M) acts more effectively in low concentrations. No reducing agents are required in the optimized media. Time (189 min), temperature (95 °C), and S/L ratio (62.5 g/L) were optimized.
Based on the synergistic effect of the reducing ability of oxalic acid and the acidic strength of sulfuric acid, this study was conducted to recover valuable metals from spent LiNi 0.8 Co 0.1 Mn 0.1 O 2 lithium-ion battery cathode materials with the compound leaching agents of sulfuric acid and oxalic acid.
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 leaching rate of …
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.
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 ...
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 biologically.
Traditional hydrometallurgical methods for recovering spent lithium-ion batteries (LIBs) involve acid leaching to simultaneously extract all valuable metals into the leachate. These methods...
Car batteries are usually lead-encased batteries that contain sulfuric acid (also known as sulphuric acid). Sulfuric acid is a highly corrosive substance that is destructive to the skin, eyes, and lungs. Severe exposure can result in death. The treatment of sulfuric acid exposure differs slightly from lye exposure in that it is more easily removed from the skin with …
Based on the synergistic effect of the reducing ability of oxalic acid and the acidic strength of sulfuric acid, this study was conducted to recover valuable metals from spent LiNi 0.8 Co 0.1 Mn 0.1 O 2 lithium-ion battery …
To increase the degree of cobalt (Co) extraction, the process of the cathode material leaching was performed in a sulfuric acid (H2SO4) solution containing sulfur dioxide (SO2) as a reducing agent. To provide a high resolution of the obtained results, frequent monitoring of Co concentrations in leached solution was conducted using an ultraviolet–visible …
Synergistic leaching of sulfuric and organic acids (citric/acetic) was investigated. Sulfuric acid (1.25 M) + citric (0.55 M) acts more effectively in low concentrations. No reducing …
This study shows that gradually adding biogenic sulfuric acid can efficiently recover Li and Mn from waste LIBs. This approach has several environmental and economic …
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 biologically. The novel feature of this strategy is the step-by-step addition of biogenic sulfuric acid, which differs significantly ...
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 …
Today, despite the emergence of alternative battery technologies like lithium-ion, lead-acid batteries remain prevalent in the automotive industry due to their reliability, cost-effectiveness, and recyclability. The historical journey of battery acid in automotive applications underscores its enduring importance. 2. Understanding 37% Sulfuric Acid. To appreciate the …
The results indicate that after sulfation roasting (n (H 2 SO 4): n (Li) = 0.5, 550 °C, 2 h), 94% lithium can be selectively recovered by water leaching and more than 95% Ni, …
Battery acid is a common name for sulfuric acid (US) or sulphuric acid (UK). Sulfuric acid is a mineral acid with the chemical formula H 2 SO 4. In lead-acid batteries, the concentration of sulfuric acid in water ranges from …
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 …
The results indicate that after sulfation roasting (n (H 2 SO 4): n (Li) = 0.5, 550 °C, 2 h), 94% lithium can be selectively recovered by water leaching and more than 95% Ni, Co, and Mn can be leached through acid leaching without the addition of reduction agent.
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.
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