Preparation of Composite Oxides and Their Properties in Aluminum-air Batteries

被引：0
|
作者：
Zhang L. [1 ]
Li R. [1 ]
Yu X. [1 ]
Feng P. [1 ]
Qu Y. [1 ]
Yang Y. [1 ]
Xie G. [1 ,2 ,3 ]
机构：
[1] Faculty of Metallurgy and Energy Engineering, Kunming University of Science and Technology, Kunming
[2] Kunming Metallurgical Research Institute, Kunming
[3] State Key Laboratory of Common Associated Non-ferrous Metal Resources Pressure Hydrometallurgy Technology, Kunming
来源：
Kuei Suan Jen Hsueh Pao/Journal of the Chinese Ceramic Society | 2019年 / 47卷 / 09期
关键词：
Air electrode; Aluminum-air battery; Catalyst; Metal composite oxide;
D O I：
10.14062/j.issn.0454-5648.2019.09.17
中图分类号：
学科分类号：
摘要：
Four composite oxides (i. e., AlMn, FeMn, ZnMn and BiSn composite oxides) were prepared by a coprecipitation method and a subsequent high-temperature calcination. The phase structures and morphologies of the products were characterized by X-ray diffraction and scanning electronic microscopy. The composite oxides were used as an aluminum-air battery air electrode catalyst for constant current discharge, cyclic voltammetry, alternating current impedance, and cathodic polarization test. The results show that the morphologies of the composite oxides prepared are different, and except for AlMn composite oxide, the other three composite oxides have good catalytic and electrochemical properties. FeMn composite oxide has a poor electrode activity. The battery prepared by using ZnMn composite oxide has a voltage platform of 1.46V at a current density of 20mA/cm2 and a holding current of 0.72V at a current density of 100mA/cm2, which are superior to the other three composite oxides. © 2019, Editorial Department of Journal of the Chinese Ceramic Society. All right reserved.
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页码：1306 / 1312
页数：6
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