The study of thermal, microstructural and magnetic properties of manganese–zinc ferrite prepared by co-precipitation method using different precipitants

Irena Szczygieł , Katarzyna Winiarska , Agnieszka Sobianowska-Turek

Abstract

Mn–Zn ferrite was prepared from the solution after acid leaching of spent batteries by co-precipitation method using ammonia oxalate, sodium carbonate and sodium hydroxide as precipitating agents. The co-precipitation process was performed at temperature of over 50 C by continuous magnetic stirring. The precipitates were pre-sintered at 850 C in air. Dilatometric study has revealed that lowest shrinkage (only 5.6%) showed a material obtained from an oxalate precipitant. After pressing and high-temperature sintering at 1325 C, it showed both insufficient density and the presence of pores, which contribute to the deterioration in the magnetic properties of the ferrites: the low magnetic permeability value and high magnetic losses. Ferrite prepared from hydroxide and carbonate precipitant showed a much higher shrinkage, sintered density and much higher magnetic permeability compared with the ferrite prepared from oxalate precursor.
Author Irena Szczygieł (EaE / IChaFT / DNCh)
Irena Szczygieł,,
- Department of Non-organic Chemistry
, Katarzyna Winiarska (EaE / IChaFT / DNCh)
Katarzyna Winiarska,,
- Department of Non-organic Chemistry
, Agnieszka Sobianowska-Turek - [Wrocław University of Science and Technology]
Agnieszka Sobianowska-Turek,,
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Journal seriesJournal of Thermal Analysis and Calorimetry, ISSN 1388-6150, e-ISSN 1572-8943, (A 20 pkt)
Issue year2018
Vol134
Pages51-57
Publication size in sheets0.5
Keywords in EnglishMn–Zn ferrite, Co-precipitation, Battery Scrap, Microstructure, Magnetic Properties, TGA–DTA/DIL/XRD/ SEM
ASJC Classification1606 Physical and Theoretical Chemistry; 3104 Condensed Matter Physics
DOIDOI:10.1007/s10973-018-7417-2
Languageen angielski
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Score (nominal)20
Score sourcejournalList
Publication indicators Scopus Citations = 4; Scopus SNIP (Source Normalised Impact per Paper): 2017 = 1.073; WoS Impact Factor: 2017 = 2.209 (2) - 2017=1.917 (5)
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