Mn-Zn soft magnetic ferrite nanoparticles synthesized from spent alkaline Zn-Mn batteries

被引：40

作者：

Hu, Ping ^{[1
]}

Pan, De'an ^{[1
]}

Zhang, Shengen ^{[1
]}

Tian, Jianjun ^{[1
]}

Volinsky, Alex A. ^{[2
]}

机构：

[1] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China

[2] Univ S Florida, Dept Mech Engn, Tampa, FL 33620 USA

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2011年 / 509卷 / 09期

基金：

美国国家科学基金会; 中国国家自然科学基金;

关键词：

Spent alkaline Zn-Mn batteries; Mn-Zn ferrite nanoparticles; Auto-combustion; Magnetic properties; MANGANESE-DIOXIDE BATTERIES; ZINC; RECOVERY; TECHNOLOGIES; POWDER;

D O I：

10.1016/j.jallcom.2010.12.204

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Using spent alkaline Zn-Mn batteries as raw material, Mn-Zn soft magnetic ferrite nanoparticles are prepared by multi-step processes including acid leaching, chemical treatment of battery iron shells and citrate-nitrate precursor auto-combustion. Acid leaching and chemical treatment mechanisms are investigated. Dried gels thermal decomposition process, auto-combustion, phase composition, morphological and magnetic properties of as-prepared Mn-Zn ferrite nanoparticles are characterized by thermogravimetric and differential thermal analysis, X-ray powder diffraction, transmission electron microscopy and vibrating sample magnetometer. Synthesized Mn-Zn ferrite nanoparticles (Mn0.5Zn0.5Fe2O4) have pure ferrite phase, larger saturation magnetization (M-s = 60.62 emug(-1)) and lower coercivity (H-c = 30 Oe) compared with the same composition ferrites prepared by other techniques due to better crystallinity. Mn-Zn ferrite nanoparticles synthesis method presents a viable alternative for alkaline Zn-Mn batteries recycling. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：3991 / 3994

页数：4

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