Electrodeposition of Zn and Zn-Mn alloy coatings from an electrolytic bath prepared by recovery of exhausted zinc-carbon batteries

被引：16
作者：
da Silva, Paulo Sergio [1 ,2 ]
Sartori Schmitz, Edineia P. [1 ]
Spinelli, Almir [2 ]
Garcia, Jarem Raul [1 ]
机构：
[1] Univ Estadual Ponta Grossa, Dept Quim, BR-84030900 Ponta Grossa, PR, Brazil
[2] Univ Fed Santa Catarina, Dept Quim, BR-88040900 Florianopolis, SC, Brazil
来源：
JOURNAL OF POWER SOURCES | 2012年 / 210卷
关键词：
Galvanic coatings; Zn-Mn alloy; Electrolytic bath; Recovery; Zinc-carbon batteries; SPENT ALKALINE BATTERIES; ZN-MNO2; BATTERIES; MANGANESE; EQCM; ADDITIVES;
D O I：
10.1016/j.jpowsour.2012.03.021
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：
The electrodeposition of galvanic coatings was performed using a chloride-based acidic electrolytic bath containing polyethylene glycol (PEG) as an additive. The electrolytic bath was prepared using Zn and Mn recovered from exhausted zinc-carbon batteries by means of acid leaching with HCl. The coatings were obtained potentiostatically at -1.2 V and -1.6V (vs. Ag/AgCl) and galvanostatically with a current density of -10 mA cm(-2). The results indicated that the presence of PEG in the bath during galvanostatic deposition favored the formation of a coating containing a mixture of Zn and Zn-Mn alloy with an Mn content of around 2 wt%. (C) 2012 Elsevier B.V. All rights reserved.
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页码：116 / 121
页数：6
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