A Conductive Additive for Zn Electrodes in Secondary Ni/Zn Batteries: The Magneli Phase Titanium Sub-Oxides Conductive Ceramic TinO2n−1
A Conductive Additive for Zn Electrodes in Secondary Ni/Zn Batteries: The Magneli Phase Titanium Sub-Oxides Conductive Ceramic TinO2n−1
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DOI：
10.1149/2.008302eel
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发表时间：
2012-11
影响因子：
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通讯作者：
Zhiguo Luo;Shangbin Sang;Qiu-mei Wu;Shaoying Liu
中科院分区：
文献类型：
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作者：
Zhiguo Luo;Shangbin Sang;Qiu-mei Wu;Shaoying Liu
将Magneli相低氧化钛导电陶瓷颗粒添加到用于Ni/Zn电池的Zn电极中。X射线衍射分析表明，导电陶瓷的基体为Ti_4O_7，透射电子显微镜观察表明，颗粒形状和尺寸均匀。通过充放电循环测试、循环伏安法和塔菲尔图研究了以该导电陶瓷为导电添加剂的锌电极的电化学性能。与添加乙炔黑和不添加导电添加剂的锌电极相比，添加导电陶瓷的锌电极具有更好的循环稳定性、更高的放电容量和耐腐蚀性。
The Magneli phase titanium sub-oxides conductive ceramic particles were added to Zn electrodes for use in Ni/Zn batteries. X-ray diffraction analysis indicated that the basis of the conductive ceramic was Ti4O7 and transmission electron microscopy showed that the particles were uniform in shape and size. The electrochemical performance of a Zn electrode with the conductive ceramic as the conductive additive was investigated by charge/discharge cycling test, cyclic voltammetry, and Tafel plot. Compared with a Zn electrode with acetylene black and without conductive additive, the electrode with conductive ceramic showed better cycling stability, higher discharge capacity, and corrosion resistance.