Porous, columnar shaped iron rich oxide synthesis for lithium-ion batteries from metallurgical grade, domestic, high carbon ferro-chromium alloys

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dc.contributor.authorGülcan, Mehmet Feryat
dc.contributor.authorKarahan, Billur Deniz
dc.contributor.authorGürmen, Sebahattin
dc.date.accessioned2022-08-08T06:07:24Z
dc.date.available2022-08-08T06:07:24Z
dc.date.issued2022
dc.departmentİstanbul Medipol Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, İnşaat Mühendisliği Bölümü
dc.departmentİstanbul Medipol Üniversitesi, Rektörlük, Sağlık Bilim ve Teknolojileri Araştırma Enstitüsü
dc.description.abstractWith this article, first time in the open literature, the synthesis, and the characterization of an anode material from a domestic, intermediate product (i.e. ferrochromium alloy) have been carried out. The presented approach sets an example for many researchers in the future, as it allows the fabrication of low carbon footprint electrodes cost-effectively without using materials that can cause serious harm to the environment during their production processes. The research consists of two steps. First, a dihydrate iron-rich oxalate in the columnar structure is attained by selectively precipitating manganese, nickel, and cobalt together with iron, from the leachate of the domestic ferrochromium alloy with sulphuric acid. Then, once the powder is calcinated in a vacuum at 180?C for 3 h, the anhydrous iron-rich oxalate (S1) powder is obtained and tested as an anode material. Moreover, the dihydrate iron-rich oxalate powder is calcinated in an argon atmosphere at 550?C for 2 h to successfully fabricate porous, columnar-shaped iron-rich oxide (S2) powder. Galvanostatic tests demonstrate that the calcination affects both the structure and the morphology, hence the electrochemical performance: After 250 cycles, S2 delivers 1034.75 mAh g-1, whilst S1 performs 725.39 mAh g-1. The characterizations reveal that the presence of Mn, Ni, Co, along with Fe, increases the cycleability by creating additional electron conductive pathways in the powder. Moreover, owing to the porosity formed as a result of the calcination in the argon atmosphere, both the mechanical tolerance of the anode against the volumetric expansion that occurs during the reaction with lithium and the electrolyte/electrode contact are improved which lead to a better cycle performance even at higher current loads.
dc.description.sponsorshipBerk Demirel ; Istanbul Teknik Üniversitesien_US
dc.identifier.citationGülcan, M. F., Karahan, B. D. ve Gürmen, S. (2022). Porous, columnar shaped iron rich oxide synthesis for lithium-ion batteries from metallurgical grade, domestic, high carbon ferro-chromium alloys. Journal of Alloys and Compounds, 922. https://doi.org/10.1016/j.jallcom.2022.166215
dc.identifier.doi10.1016/j.jallcom.2022.166215
dc.identifier.issn0925-8388
dc.identifier.issn1873-4669
dc.identifier.scopus2-s2.0-85134732289
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.jallcom.2022.166215
dc.identifier.urihttps://hdl.handle.net/20.500.12511/9634
dc.identifier.volume922
dc.identifier.wos000852664300001en_US
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorKarahan, Billur Deniz
dc.language.isoen
dc.publisherElsevier Ltd
dc.relation.ispartofJournal of Alloys and Compoundsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.relation.tubitakinfo:eu-repo/grantAgreement/TUBITAK/SOBAG/218M768
dc.rightsinfo:eu-repo/semantics/embargoedAccess
dc.subjectGreen Electrode Design
dc.subjectHigh Carbon Ferrochromium
dc.subjectHydrometallurgy
dc.subjectLithium-Ion Battery
dc.subjectLow Carbon Footprint Anode
dc.titlePorous, columnar shaped iron rich oxide synthesis for lithium-ion batteries from metallurgical grade, domestic, high carbon ferro-chromium alloys
dc.typeArticle

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