New photocatalytic materials obtained from the recycling of alkaline and Zn/C spent batteries

被引：17
作者：
Alcaraz, Lorena [1 ]
Garcia-Diaz, Irene [1 ]
Gonzalez, Laura [2 ]
Eugenia Rabanal, Maria [3 ,4 ]
Urbieta, Ana [5 ]
Fernandez, Paloma [5 ]
Lopez, Felix A. [1 ]
机构：
[1] CSIC, Ctr Nacl Invest Met CENIM, Avda Gregorio del Amo 8, E-28040 Madrid, Spain
[2] IMDEA Nanociencia, Campus Univ Cantoblanco, Madrid 28049, Spain
[3] Univ Carlos III Madrid, Avda Univ 30, Madrid 28911, Spain
[4] IAAB, Dept Ciencia & Ingn Quim, Avda Univ 30, Madrid 28911, Spain
[5] Univ Complutense Madrid, Dept Fis Mat, Fac Ciencias Fis, Ciudad Univ S-N, E-28040 Madrid, Spain
来源：
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T | 2019年 / 8卷 / 03期
关键词：
Spent batteries; Photocatalytic materials; Zn and Mn oxides; Methylene blue; Rhodamine B; SURFACE OPTICAL PHONONS; ZNO; MANGANESE; NANOPARTICLES; DEGRADATION; RAMAN; SOLAR; ZINC; DYES;
D O I：
10.1016/j.jmrt.2019.04.020
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Several phases with variable stoichiometry ZnxMn3-xO4 (with x = 0.25, 0.85 and 1) and ZnO have been obtained from the black mass, a widely generated residue of wasted alkaline batteries. The obtained samples have been characterized by X-ray diffraction (XRD) and Raman spectroscopy showing results consistent with the stoichiometry obtained from chemical analysis. The study of the degradation of methylene blue (MB) and rhodamine B (RhB) under UV radiation demonstrates the photocatalytic behavior in all samples obtained, reaching degradation percentages higher than 70% and 50%, respectively. (C) 2019 The Authors. Published by Elsevier B.V.
引用
收藏
页码：2809 / 2818
页数：10
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