Organization structure of the zinc and its influence on electrochemical performance

被引：0
|
作者：
机构：
[1] Department of Electric Power Engineering, Chongqing Communication Institute, Chongqing
来源：
Wang, Hua-Qing | 1600年 / Journal of Functional Materials卷 / 45期
关键词：
Defect; Electrochemical performance; Organization structure; Texture; Zinc electrode;
D O I：
10.3969/j.issn.1001-9731.2014.Suppl.(2).010
中图分类号：
学科分类号：
摘要：
In this paper, the relationship was studied between the organizational structure and its electrochemical performance for the zinc electrode by metallurgical phase, XRD and cyclic voltammetry. The results show that the reversibility performance of Zn(002) single crystal was superior to Zn(100) and the oxidizing and deoxidizing abilities of the Zn(100) single crystal was superior to Zn(002). The oxidizing and deoxidizing abilities of Zn polycrystal was superior to Zn single crystal. In terms of Zn polycrystal, the dissolution was accelerated and the dislocation was of advantage for electrodeposition during the deoxidization due to a great deal of defect such as grain boundary and dislocation. The area of the grain boundary decreased due to grain growth. As a result, the local corrosion, such as the intercrystalline corrosion, was aggravated and the corrosion resistance of the Zn electrode was reduced. However, the effect of the grains size on the electrochemical performance of the Zn electrode was much less than the dislocation and other defects. ©, 2014, Journal of Functional Materials. All right reserved.
引用
收藏
页码：49 / 53and58
页数：5309
相关论文
共 19 条
  • [1] Yang H.B., Meng X.L., Yang E.D., Et al., Effect of La addition on the electrochemical properties of secondary zinc electrodes, J Electrochem Soc, 151, 3, (2004)
  • [2] Zhang H., Zhu L.Q., Li W.P., Et al., Effect of Y(OH)<sub>3</sub> microparticles on the electrochemical performance of alkaline zinc electrodes, J Rare Earths, 27, 6, (2009)
  • [3] Pechcanul M.A., Rramanauskas R., Maldonado L., Electrochemical investigation of passive layers formed on electrodeposited Zn and Zn-alloy coatings in alkaline solutions, Electrochem Acta, 42, 2, (1997)
  • [4] Adler T.C., Mclarnon F.R., Cairns E.J., Low-zinc-solubility electrolytes for use in zinc/nickel oxide cells, J Electrochem Soc, 140, 2, (1993)
  • [5] Lee C.W., Sathiyanarayanan K., Eom S.W., Et al., Novel electrochemical behavior of zinc anodes in zinc/air batteries in the presence of additives, J Power Sources, 159, 2, pp. 1474-1477, (2006)
  • [6] Lan C.J., Lee C.Y., Chin T.S., Tetra-alkyl ammonium hydroxides as inhibitors of Zn dendrite in Zn-based secondary batteries, Electrochimica Acta, 52, 17, pp. 5407-5416, (2007)
  • [7] Frackowiak E., Skowronskj J.M., Passivation of zinc in alkaline solution effected by chromates and CrO<sup>3-</sup> graphite system, J Power Sources, 73, 2, (1998)
  • [8] Ma M., Tu J.P., Yuan Y.F., Et al., Electrochemical performance of ZnO nanoplates as anode materials for Ni/Zn secondary batteries, J Power Sources, 179, 1, pp. 395-400, (2008)
  • [9] Ullah S., Badshah A., Ahmed F., Et al., Electrodeposited zinc electrodes for high current Zn/AgO bipolar batteries, Int J Electrochem Sci, 6, pp. 3801-3811, (2011)
  • [10] Luo Z.G., Sang S.B., Wu Q.M., Et al., A conductive additive for Zn electrodes in secondary Ni/Zn batteries: the magneli phase titanium sub-oxides conductive ceramic TinO<sub>2n-1</sub>, ECS Electrochemistry Letters, 2, 2, pp. A21-A24, (2013)
12