Anodic behavior of zinc in Zn-MnO2 battery using ERDA technique

被引:49
作者
Minakshi, Manickam [1 ]
Ionescu, Mihail [2 ]
机构
[1] Murdoch Univ, Fac Minerals & Energy, Murdoch, WA 6150, Australia
[2] ANSTO, Inst Environm Engn, Menai, NSW 2234, Australia
基金
澳大利亚研究理事会;
关键词
Zinc; Manganese dioxide; Rechargeable; Battery; LiOH; Electrolyte; MNO2; CATHODE; RECHARGEABILITY; PERFORMANCE; CELLS;
D O I
10.1016/j.ijhydene.2010.04.143
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 commercial, alkaline zinc-manganese dioxide (Zn-MnO2) primary battery has been transformed into a secondary battery using lithium hydroxide electrolyte. Galvanostatic discharge charge experiments showed that the capacity decline of the Zn-MnO2 battery is not caused by the MnO2 cathode, but by the zinc anode. The electrochemical data indicated that a rechargeable battery made of porous zinc anode can have a larger discharge capacity of 220 mAh/g than a planar zinc anode of 130 mAh/g. The cycling performance of these two anodes is demonstrated. Structural and depth profile analyses of the discharged anodes are examined by X-ray diffraction (XRD) and elastic recoil detection analysis (ERDA) techniques. (C) 2010 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:7618 / 7622
页数:5
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