Recovery of High-Purity MnO2 from the Acid Leaching Solution of Spent Li-Ion Batteries

Chao Peng; Cong Chang; Zulin Wang; Benjamin P. Wilson; Fupeng Liu; Mari Lundström

doi:10.1007/s11837-019-03785-1

Recovery of High-Purity MnO2 from the Acid Leaching Solution of Spent Li-Ion Batteries

Chao Peng, Cong Chang, Zulin Wang, Benjamin P. Wilson, Fupeng Liu, Mari Lundström

Tutkimustuotos: Lehtiartikkeli › Article › Scientific › vertaisarvioitu

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Abstrakti

Hydrometallurgical recycling processes for spent Li-ion batteries (LIBs) often produce pregnant leach solutions (PLS) that contain metals like Co, Ni, Mn, Li, Al, etc. Although significant research has focused on the recovery of the most valuable materials (e.g., Co, Ni, Li), the reclamation of Mn from PLS is often neglected. In this study, recovery of Mn via a multi-step process based on solvent extraction with di-2-ethylhexyl phosphoric acid, scrubbing, stripping and oxidative Mn precipitation has been undertaken. The results demonstrate that more than 99% of Mn can be successfully recovered as a high-purity MnO2 product (purity > 99.5%) with almost no loss of Co, Ni and Li. In addition, the behavior of other metal elements present in the PLS were also studied in detail. Overall, this study investigates the fundamentals of Mn recovery from the complicated PLS of LIBs waste and outlines industrial process feasibility based on known unit process steps.

Alkuperäiskieli	Englanti
Sivut	790-799
Sivumäärä	10
Julkaisu	JOM
Vuosikerta	72
Numero	2
Varhainen verkossa julkaisun päivämäärä	23 syysk. 2019
DOI - pysyväislinkit	https://doi.org/10.1007/s11837-019-03785-1
Tila	Julkaistu - 1 helmik. 2020
OKM-julkaisutyyppi	A1 Julkaistu artikkeli, soviteltu

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Peng2019_Article_RecoveryOfHigh-PurityMnO2FromT
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BATCIRCLE: Finland-based Circular Ecosystem of Battery Metals
Lundström, M., Porvali, A., Chernyaev, A., Aromaa, R., Forde, G., Wilson, B., Aromaa, J., Hu, F., Ke, P., Khalid, M. K., Kalliomäki, T., Karppinen, A., Shukla, S., Ruismäki, R., Peng, C., Sahlman, M., Wang, Z., Zou, Y., Liu, F., Rinne, M., Palomäki, H., Partinen, J., Seisko, S., Revitzer, H. & Zhang, J.
01/01/2019 → 30/04/2021
Projekti: Business Finland: Other research funding
CMEco: Circular Metal Ecosystem - CMEco
Aji, A., Lundström, M., Agarwal, V., Elomaa, H., Wilson, B., Hamuyuni, J., Jafari, S., Kalliomäki, T., Khalid, M. K., Leikola, M., Partinen, J., Revitzer, H., Wang, Z., Peng, C., Halli, P., Sinisalo, P. & Seisko, S.
01/01/2017 → 30/04/2019
Projekti: Business Finland: Other research funding

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title = "Recovery of High-Purity MnO2 from the Acid Leaching Solution of Spent Li-Ion Batteries",

abstract = "Hydrometallurgical recycling processes for spent Li-ion batteries (LIBs) often produce pregnant leach solutions (PLS) that contain metals like Co, Ni, Mn, Li, Al, etc. Although significant research has focused on the recovery of the most valuable materials (e.g., Co, Ni, Li), the reclamation of Mn from PLS is often neglected. In this study, recovery of Mn via a multi-step process based on solvent extraction with di-2-ethylhexyl phosphoric acid, scrubbing, stripping and oxidative Mn precipitation has been undertaken. The results demonstrate that more than 99% of Mn can be successfully recovered as a high-purity MnO2 product (purity > 99.5%) with almost no loss of Co, Ni and Li. In addition, the behavior of other metal elements present in the PLS were also studied in detail. Overall, this study investigates the fundamentals of Mn recovery from the complicated PLS of LIBs waste and outlines industrial process feasibility based on known unit process steps.",

keywords = "Circular economy of metals, Battery Recycling, Sustainability",

author = "Chao Peng and Cong Chang and Zulin Wang and Wilson, {Benjamin P.} and Fupeng Liu and Mari Lundstr{\"o}m",

note = "The online version of this article (https://doi.org/10.1007/s11837-019-03785-1) contains supplementary material, which is available to authorized users.",

year = "2020",

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doi = "10.1007/s11837-019-03785-1",

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T1 - Recovery of High-Purity MnO2 from the Acid Leaching Solution of Spent Li-Ion Batteries

AU - Peng, Chao

AU - Chang, Cong

AU - Wang, Zulin

AU - Wilson, Benjamin P.

AU - Liu, Fupeng

AU - Lundström, Mari

N1 - The online version of this article (https://doi.org/10.1007/s11837-019-03785-1) contains supplementary material, which is available to authorized users.

PY - 2020/2/1

Y1 - 2020/2/1

N2 - Hydrometallurgical recycling processes for spent Li-ion batteries (LIBs) often produce pregnant leach solutions (PLS) that contain metals like Co, Ni, Mn, Li, Al, etc. Although significant research has focused on the recovery of the most valuable materials (e.g., Co, Ni, Li), the reclamation of Mn from PLS is often neglected. In this study, recovery of Mn via a multi-step process based on solvent extraction with di-2-ethylhexyl phosphoric acid, scrubbing, stripping and oxidative Mn precipitation has been undertaken. The results demonstrate that more than 99% of Mn can be successfully recovered as a high-purity MnO2 product (purity > 99.5%) with almost no loss of Co, Ni and Li. In addition, the behavior of other metal elements present in the PLS were also studied in detail. Overall, this study investigates the fundamentals of Mn recovery from the complicated PLS of LIBs waste and outlines industrial process feasibility based on known unit process steps.

AB - Hydrometallurgical recycling processes for spent Li-ion batteries (LIBs) often produce pregnant leach solutions (PLS) that contain metals like Co, Ni, Mn, Li, Al, etc. Although significant research has focused on the recovery of the most valuable materials (e.g., Co, Ni, Li), the reclamation of Mn from PLS is often neglected. In this study, recovery of Mn via a multi-step process based on solvent extraction with di-2-ethylhexyl phosphoric acid, scrubbing, stripping and oxidative Mn precipitation has been undertaken. The results demonstrate that more than 99% of Mn can be successfully recovered as a high-purity MnO2 product (purity > 99.5%) with almost no loss of Co, Ni and Li. In addition, the behavior of other metal elements present in the PLS were also studied in detail. Overall, this study investigates the fundamentals of Mn recovery from the complicated PLS of LIBs waste and outlines industrial process feasibility based on known unit process steps.

KW - Circular economy of metals

KW - Battery Recycling

KW - Sustainability

U2 - 10.1007/s11837-019-03785-1

DO - 10.1007/s11837-019-03785-1

M3 - Article

VL - 72

SP - 790

EP - 799

JO - JOM

JF - JOM

SN - 1047-4838

IS - 2

ER -

Recovery of High-Purity MnO2 from the Acid Leaching Solution of Spent Li-Ion Batteries

Abstrakti

YK:n kestävän kehityksen tavoitteet

Pääsy asiakirjaan

SFX-saatavuus

Sormenjälki

Projektit

BATCIRCLE: Finland-based Circular Ecosystem of Battery Metals

CMEco: Circular Metal Ecosystem - CMEco

Laitteet

Raaka-aineiden tutkimusinfrastruktuuri

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