Novel LiAlO2 Material for Scalable and Facile Lithium Recovery Using Electrochemical Ion Pumping.

Elmakki, T; Zavahir, S; Hafsa, U; Al-Sulaiti, L; Ahmad, Z; Chen, Y; Park, H; Shon, HK; Ho, Y-C; Han, DS

Novel LiAlO2 Material for Scalable and Facile Lithium Recovery Using Electrochemical Ion Pumping.

Elmakki, T Zavahir, S Hafsa, U Al-Sulaiti, L Ahmad, Z Chen, Y Park, H Shon, HK Ho, Y-C Han, DS

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Publisher:: MDPI
Publication Type:: Journal Article
Citation:: Nanomaterials (Basel), 2023, 13, (5), pp. 895
Issue Date:: 2023-02-27

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Field	Value	Language
dc.contributor.author	Elmakki, T
dc.contributor.author	Zavahir, S
dc.contributor.author	Hafsa, U
dc.contributor.author	Al-Sulaiti, L
dc.contributor.author	Ahmad, Z
dc.contributor.author	Chen, Y
dc.contributor.author	Park, H
dc.contributor.author	Shon, HK
dc.contributor.author	Ho, Y-C
dc.contributor.author	Han, DS
dc.date.accessioned	2023-03-27T02:03:49Z
dc.date.available	2023-02-23
dc.date.available	2023-03-27T02:03:49Z
dc.date.issued	2023-02-27
dc.identifier.citation	Nanomaterials (Basel), 2023, 13, (5), pp. 895
dc.identifier.issn	2079-4991
dc.identifier.issn	2079-4991
dc.identifier.uri	http://hdl.handle.net/10453/168522
dc.description.abstract	In this study, α-LiAlO2 was investigated for the first time as a Li-capturing positive electrode material to recover Li from aqueous Li resources. The material was synthesized using hydrothermal synthesis and air annealing, which is a low-cost and low-energy fabrication process. The physical characterization showed that the material formed an α-LiAlO2 phase, and electrochemical activation revealed the presence of AlO2* as a Li deficient form that can intercalate Li+. The AlO2*/activated carbon electrode pair showed selective capture of Li+ ions when the concentrations were between 100 mM and 25 mM. In mono salt solution comprising 25 mM LiCl, the adsorption capacity was 8.25 mg g-1, and the energy consumption was 27.98 Wh mol Li-1. The system can also handle complex solutions such as first-pass seawater reverse osmosis brine, which has a slightly higher concentration of Li than seawater at 0.34 ppm.
dc.format	Electronic
dc.language	eng
dc.publisher	MDPI
dc.relation	Qatar National Research FundNPRP12S-0227-190166
dc.relation.ispartof	Nanomaterials (Basel)
dc.relation.isbasedon	10.3390/nano13050895
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	0912 Materials Engineering, 1007 Nanotechnology
dc.title	Novel LiAlO2 Material for Scalable and Facile Lithium Recovery Using Electrochemical Ion Pumping.
dc.type	Journal Article
utslib.citation.volume	13
utslib.location.activity	Switzerland
utslib.for	0912 Materials Engineering
utslib.for	1007 Nanotechnology
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
pubs.organisational-group	/University of Technology Sydney/Strength - CTWW - Centre for Technology in Water and Wastewater Treatment
utslib.copyright.status	open_access	*
dc.date.updated	2023-03-27T02:03:35Z
pubs.issue	5
pubs.publication-status	Published online
pubs.volume	13
utslib.citation.issue	5

Abstract:

In this study, α-LiAlO2 was investigated for the first time as a Li-capturing positive electrode material to recover Li from aqueous Li resources. The material was synthesized using hydrothermal synthesis and air annealing, which is a low-cost and low-energy fabrication process. The physical characterization showed that the material formed an α-LiAlO2 phase, and electrochemical activation revealed the presence of AlO2* as a Li deficient form that can intercalate Li+. The AlO2*/activated carbon electrode pair showed selective capture of Li+ ions when the concentrations were between 100 mM and 25 mM. In mono salt solution comprising 25 mM LiCl, the adsorption capacity was 8.25 mg g-1, and the energy consumption was 27.98 Wh mol Li-1. The system can also handle complex solutions such as first-pass seawater reverse osmosis brine, which has a slightly higher concentration of Li than seawater at 0.34 ppm.

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http://hdl.handle.net/10453/168522