Machine learning models accelerate deep eutectic solvent discovery for the recycling of lithium-ion battery cathodes

Zhou, Fengyi; Shi, Dingyi; Mu, Wenbo; Wang, Shao; Wang, Zeyu; Wei, Chenyang; Li, Ruiqi; Mu, Tiancheng

doi:10.1039/d4gc01418a

Cited by 15 publications

(1 citation statement)

References 57 publications

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“…Developing highly efficient and environmentally friendly DESs requires sustained efforts. Correspondingly, Zhou et al 194 used a database and predictive model to generate counterfactual generative adversarial networks (CGAN) to assist in discovering ideal DES combinations. The predicted results for DES composed of ChCl : glycolic acid showed good consistency with experimental results.…”

Section: Highmentioning

confidence: 99%

Review of the application of ionic liquid systems in achieving green and sustainable recycling of spent lithium-ion batteries

Shi,

Luo,

Yin

et al. 2024

Green Chem.

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Section: Highmentioning

confidence: 99%

Review of the application of ionic liquid systems in achieving green and sustainable recycling of spent lithium-ion batteries

Shi,

Luo,

Yin

et al. 2024

Green Chem.

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Recycling Solid Electrolytes from All‐Solid‐State Lithium‐Ion Batteries by Using Deep Eutectic Solvents as Green Extractants

Chen,

Shi,

Zhang

et al. 2024

ChemSusChem

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All‐solid‐state lithium‐ion batteries (ASSLIBs) are attracting significant attention due to their high energy density, conductivity and safety. However, they are expected to generate substantial waste in the near future, leading to resource depletion and environmental pollution. Therefore, it is crucial to achieve green, mild and safe recovery of ASSLIBs. Here, we for the first time to use green deep eutectic solvents (DESs) to effectively recover solid‐state electrolytes (SSEs) from ASSLIBs at mild temperature. Results show that Li leaching efficiency can reach up to 87.5% with a superhigh Li/La selectivity of 1902 at a low temperature of 80 oC. Furthermore, 70 anti‐solvents are screened to recycle the dissolved SSEs from leachate and 12 anti‐solvents could precipitate SSEs from leachate at room temperature. This research opens new possibilities for recovering SSEs from ASSLIBs using the sustainable, cost‐effective and safe solvents.

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Natural Low‐Melting Mixture Solvents for Green Recovery of Spent All‐Solid‐State Sodium‐Ion Batteries with Superior Efficiency over Lithium‐Ion Batteries

Chen,

Shen,

Liu

et al. 2024

ChemSusChem

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Spent all‐solid‐state sodium‐ion batteries (ASIBs) containing toxic and precious metal would be produced significantly and lead to resource waste and environmental pollution as the wide application of ASIBs in the near future. Therefore, it is necessary to develop green strategy for recovery of ASIBs. Here, we propose a safe, mild and green strategy to recover toxic and precious metals from cathode/solid electrolyte of ASIBs by using natural low‐melting mixture solvents (LoMMSs) with high selectivity and high leaching efficiency. Natural LoMMSs are abundant, natural available, cheap, non‐flammable, biodegradable and biocompatible. Results show that natural LoMMSs could leach nearly 100% Na and achieve superhigh Na/Zr selectivity of up to 58 from ASIBs at mild temperature, outperforming the recycling efficiency and selectivity of lithium‐ion batteries cathode. More importantly, we find that water could be used as a green and low‐cost anti‐solvent to precipitate the extracted metal from the leachate with low‐energy consumption at room temperature. This work provides a cost‐effective, energy‐saving, mild, green strategy for the recovery of cathode/solid electrolyte from spent ASIBs with high safety and high selectivity.

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Machine learning models accelerate deep eutectic solvent discovery for the recycling of lithium-ion battery cathodes

Abstract: Deep eutectic solvents (DESs) have been widely applied to recover spent Lithium-ion batteries (LIBs), however, developing effective and efficient systems for cathode leaching via traditional trial-and-error method requires substantial efforts....

Cited by 15 publications

References 57 publications

Review of the application of ionic liquid systems in achieving green and sustainable recycling of spent lithium-ion batteries

Review of the application of ionic liquid systems in achieving green and sustainable recycling of spent lithium-ion batteries

Recycling Solid Electrolytes from All‐Solid‐State Lithium‐Ion Batteries by Using Deep Eutectic Solvents as Green Extractants

Natural Low‐Melting Mixture Solvents for Green Recovery of Spent All‐Solid‐State Sodium‐Ion Batteries with Superior Efficiency over Lithium‐Ion Batteries

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