Electrochemical recovery of cadmium from spent Ni-Cd batteries

被引：52
|
作者：
Freitas, MBJG [1 ]
Rosalém, SF [1 ]
机构：
[1] Univ Fed Espirito Santo, Dept Quim, Lab Electroquim Aplicada, BR-29060900 Vitoria, ES, Brazil
来源：
JOURNAL OF POWER SOURCES | 2005年 / 139卷 / 1-2期
关键词：
cadmium; Ni-Cd battery; recycling;
D O I：
10.1016/j.jpowsour.2004.06.074
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：
In this work, cadmium from spent Ni-Cd batteries is recycled. Ionic cadmium is recovery from acidic solution using a galvanostatic technique. Electrodeposition charge efficiency and deposit morphology depend on current density. Charge efficiency reaches up to 85.0% for a current density between 5.0 and 10.0 mA cm(-2) and decreases with the increase in current density. Pore size decreases with the increase in current density. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：366 / 370
页数：5
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