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



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Alcaraz Romo, Lorena and García Díaz, Irene and González, Laura and Rabanal, María Eugenia and Urbieta Quiroga, Ana Irene and Fernández, Paloma and López, Félix A. (2019) New photocatalytic materials obtained from the recycling of alkaline and Zn/C spent batteries. Journal of materials research and technology, 8 (3). pp. 2809-2818. ISSN 2238-7854

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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.

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©2019 The Authors. Published by Elsevier B.V.

Uncontrolled Keywords:Surface optical phonons; Zno; Manganese; Nanoparticles; Degradation; Raman; Solar; Zinc; Dyes; Spent batteries; Photocatalytic materials; Zn and Mn oxides; Methylene blue; Rhodamine B
Subjects:Sciences > Physics > Materials
Sciences > Physics > Solid state physics
ID Code:57096
Deposited On:27 Sep 2019 16:56
Last Modified:24 Oct 2019 17:41

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