scholarly journals A Novel Recycling Route for Spent Li-Ion Batteries

Materials ◽  
2021 ◽  
Vol 15 (1) ◽  
pp. 44
Author(s):  
Eliana G. Pinna ◽  
Norman Toro ◽  
Sandra Gallegos ◽  
Mario H. Rodriguez

In this work, a recycling route for spent Li-ion batteries (LIBs) was developed. For this, the recovery of the metal content in both electrodes (anode and cathode) was investigated. Based on these results, an economic analysis of this recycling process was carried out. The obtained results showed that more than 90% of the material contained in both electrodes was recycled. The dissolution with acetic acid of the metals present in the active cathodic material is thermodynamically viable and the addition of a reducing agent such as hydrogen peroxide improved the spontaneity of the reaction. Dissolutions close to 100% for Li and Co were obtained. In addition, it was determined that the synthesis of lithium and cobalt valuable compounds was viable from the leach liquor, recovering approximately 90% of Co as cobalt oxalate, and 92% of Li as lithium carbonate. Furthermore, carbon graphite and Cu were fully recovered (100%) from the anodes. Finally, the results of the economic analysis showed that the recovered products have a high commercial value and industrial interest, providing an environmentally and economically viable process.

2012 ◽  
Vol 207 ◽  
pp. 173-182 ◽  
Author(s):  
T. Georgi-Maschler ◽  
B. Friedrich ◽  
R. Weyhe ◽  
H. Heegn ◽  
M. Rutz

2019 ◽  
Vol 116 (6) ◽  
pp. 603 ◽  
Author(s):  
Ewa Rudnik ◽  
Joanna Knapczyk-Korczak

The paper reports investigations of the direct recovery of copper and cobalt from sulphate solution after leaching of spent Li-ion cells. Metals of high purity (above 99%) can be selectively obtained if the electrolysis process is carried out at proper pH: 1 for Cu and 4 for Co. During cobalt electrowinning, the oxidation of Co(II) ions and formation of Co(III) compounds on the anode were observed. Lithium ions accumulated mainly in the electrolyte. Application of ammoniacal solution for selective lithium carbonate precipitation in the presence of cobalt ions was not effective due to high temperature of the process and no possible formation of the stable and soluble cobalt-ammonia complexes.


2019 ◽  
Vol 4 (2) ◽  
pp. 105
Author(s):  
Soraya Ulfa Muzayanha ◽  
Cornelius Satria Yudha ◽  
Luthfi Mufidatul Hasanah ◽  
Adrian Nur ◽  
Agus Purwanto

<p>The use of Li-ion batteries has increased with the increasing of portable electronic media. Li-ion batteries have a life cycle hence a recycling process is needed in order to reduce the potential hazard of waste while increasing the economic value of unused battery material, especially its cathode active material. This study used Lithium Nickel Cobalt Oxide (NCA) cathode scrap to be regenerated which NCA material has high energy density and high capacity. The pretreatment process is one of the determinants in the subsequent recycling process. In this study, the effect of heating on the pretreatment process was carried out with variation temperatures of 500-800<sup>0</sup>C to obtain powder which will be recycled. The combination process of the leaching and co-precipitation was used to regenerate the cathode active material. Atomic Absorption Spectrophotometry (AAS) was performed to determine leaching efficiency using 4M H<sub>2</sub>SO<sub>4</sub> at 40<sup>0</sup>C for 3 hours. X-ray Diffraction (XRD) analysis showed that NCA material has been successfully regenerated which the diffraction peaks of NCA material was in accordance with JCPDS standards. The morphology of NCA material was tested using Scanning Electron Microscopy (SEM). Electrochemical testing uses a cylindrical battery at 2.7-4.2 Volt which the initial specific discharge capacity of the power is 62.13 mAh / g.</p>


2021 ◽  
Vol 1044 ◽  
pp. 3-14
Author(s):  
Ahmad Jihad ◽  
Affiano Akbar Nur Pratama ◽  
Salsabila Ainun Nisa ◽  
Shofirul Sholikhatun Nisa ◽  
Cornelius Satria Yudha ◽  
...  

Li-ion batteries are one of the most popular energy storage devices widely applied to various kinds of equipment, such as mobile phones, medical and military equipment, etc. Therefore, due to its numerous advantages, especially on the NMC type, there is a predictable yearly increase in Li-ion batteries' demand. However, even though it is rechargeable, Li-ion batteries also have a usage time limit, thereby increasing the amount of waste disposed of in the environment. Therefore, this study aims to determine the optimum conditions and the potential and challenges from the waste Li-ion battery recycling process, which consists of pretreatment, metal extraction, and product preparation. Data were obtained by studying the literature related to Li-ion battery waste's recycling process, which was then compiled into a review. The results showed that the most optimum recycling process of Li-ion batteries consists of metal extraction by a leaching process that utilizes H2SO4 and H2O2 as leaching and reducing agents, respectively. Furthermore, it was proceeding with the manufacturing of a new Li-ion battery.


Energies ◽  
2020 ◽  
Vol 13 (24) ◽  
pp. 6732
Author(s):  
Weronika Urbańska ◽  
Magdalena Osial

Lithium-ion batteries are currently one of the most important mobile energy storage units for portable electronics such as laptops, tablets, smartphones, etc. Their widespread application leads to the generation of large amounts of waste, so their recycling plays an important role in environmental policy. In this work, the process of leaching with sulfuric acid for the recovery of metals from spent Li-ion batteries in the presence of glutaric acid and hydrogen peroxide as reducing agents is presented. Experimental results indicate that glutaric-acid application improves the leaching performance compared to the use of just hydrogen peroxide under the same conditions. Obtained samples of leaching residues after mixed inorganic-organic leaching were characterized with Scanning Electron Microscopy, Fourier Transform Infrared Spectroscopy, and X-ray diffraction.


2016 ◽  
Vol 78 (9) ◽  
Author(s):  
Farhah Abdillahil Moktamin ◽  
Goh Choo Ta ◽  
Mazlin Mokhtar ◽  
Mohd Rozaimi Ariffin

The generation of waste batteries is increasing due to the wide application and short life span of batteries. The heavy metals used inside a battery are highly toxic and can cause harm to humans and to the environment. However, if waste batteries are recovered properly through a recycling process, precious metals inside the batteries can be extracted. In general, there are three methods for recycling waste batteries, namely pyrometallurgy, hydrometallurgy and bio-hydrometallurgy. This article reviews and discusses the efficiency and effectiveness of these methods in recycling waste batteries. Based on the review, each recycling method has its specific characteristics. The hydrometallurgy method tends to be used for recycling Li-ion batteries while the pyrometallurgy method tends to eliminate plumbum in automotive waste batteries. In general, the hydrometallurgical method is commonly used for recycling batteries due to its shorter process and lower cost. 


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