A sustainable δ-MnO₂ derived from Amazon rainforest Mn-ore tailings for applications in lithium-ion batteries.

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dc.contributorUNIVERSITY OF ROME, P.LE ALDO MORO 5, 00185 ROME, ITALY
dc.contributorSAPIENZA UNIVERSITY OF ROME, P.LE ALDO MORO 5, 00185 ROME, ITALY
dc.contributorFEDERAL UNIVERSITY OF PARA
dc.contributorSAPIENZA UNIVERSITY OF ROME, P.LE ALDO MORO 5, 00185 ROME, ITALY
dc.contributorELAINE CRISTINA PARIS, CNPDIA
dc.contributorITALIAN NATIONAL RESEARCH COUNCIL (ISMN–CNR)
dc.contributorHAHN-MEITNER-PLATZ 1, 14109 BERLIN, GERMANY
dc.contributorPOLYTECHNIC OF TURIN, CORSO CASTELFIDARDO 39, TURIN, ITALY
dc.contributorSAPIENZA UNIVERSITY OF ROME, VIA SCARPA 14, 00161 ROME, ITALY
dc.contributorSAPIENZA UNIVERSITY OF ROME, VIA SCARPA 14, 00161 ROME, ITALY
dc.contributorHUMBOLDT UNIVERSITY, 2.304, BROOK-TAYLOR-STR. 2, ADLERSHOF, 12489 BERLIN, GERMANY
dc.contributorHAHN-MEITNER-PLATZ 1, 14109 BERLIN, GERMANY
dc.contributorSAPIENZA UNIVERSITY OF ROME, P.LE ALDO MORO 5, 00185 ROME, ITALY
dc.contributorSAPIENZA UNIVERSITY OF ROME, P.LE ALDO MORO 5, 00185 ROME, ITALY
dc.contributorITALIAN NATIONAL RESEARCH COUNCIL (ISMN–CNR), STRADA PROVINCIALE 35D 9, 00010 ROME, ITALY.
dc.creatorANGELETTI, L.
dc.creatorAGOSTINI, M.
dc.creatorMIRANDA FIGUEIRA, B. A.
dc.creatorLATINI, A.
dc.creatorPARIS, E. C.
dc.creatorDe GIORGIO, F.
dc.creatorSCHULTZ, T.
dc.creatorDi CONZO, C.
dc.creatorMURA, F.
dc.creatorROSSI, M.
dc.creatorYADAV, N. G.
dc.creatorADELHELM, P.
dc.creatorMAZZEI, F.
dc.creatorBRUTTI, S.
dc.creatorQUARANTA, S.
dc.date2025-06-27T20:47:46Z
dc.date2025-06-27T20:47:46Z
dc.date2025-06-27
dc.date2025
dc.date.accessioned2026-07-07T04:29:51Z
dc.descriptionThe transition to net-zero emissions by 2050 necessitates the development of sustainable and efficient energy storage systems to complement the rise in renewable energy generation. Lithium-ion batteries (LiBs) are pivotal in this energy transformation, yet challenges remain in developing sustainable, high-performance materials. Manganese oxides (MnOₓ) are promising candidates for LiBs anodes due to their abundance and high theoretical capacity. However, the commercial synthesis of MnOₓ materials is resource-intensive, and the mining processes generate large amounts of environmentally hazardous tailings. In this study, we propose a novel method to recover manganese from mining tailings in the Brazilian Amazon and synthesize δ-MnO₂ as a high-capacity conversion anode material for LIBs. Using a green recovery method involving KOH and H₂O₂, we extracted potassium manganate (K₂MnO₄) from the tailings with a recovery efficiency of 90.3 %,and synthesized δ-MnO₂. The prepared material showed promising electrochemical properties, demonstrating its potential as a sustainable alternative to commercially available manganese oxides. This process not only offers a way to mitigate the environmental risks posed by manganese mining tailings but also provides an economically viable solution for producing high-performance battery materials. The developed methodology can be applied to other manganesebearing residues and low-grade ores, contributing to the growing demand for battery-grade manganese in a sustainable and circular manner.
dc.format9 p.
dc.identifierSustainable Materials and Technologies, v. 44, e01347, 2025.
dc.identifier2214-9937
dc.identifierhttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1176885
dc.identifierhttps://doi.org/10.1016/j.susmat.2025.e01347
dc.identifier.urihttp://hdl.handle.net/123456789/463183
dc.languageeng
dc.rightsopenAccess
dc.subjectGreen recovery
dc.subjectLithium-ion batteries (LiBs)
dc.subjectManganese-based tailings
dc.subjectRechargeable lithium batteries
dc.titleA sustainable δ-MnO₂ derived from Amazon rainforest Mn-ore tailings for applications in lithium-ion batteries.
dc.typeArtigo de periódico

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