李海莹,刘峥,王浩,谢思维,张淑芬.席夫碱基季铵盐型双子表面活性剂对碱性锌电极电化学性能的影响[J].表面技术,2017,46(8):208-215
席夫碱基季铵盐型双子表面活性剂对碱性锌电极电化学性能的影响
Effects of Schiff Base Quaternary Ammonium Gemini Surfactants on Electrochemical Properties of Alkaline Zinc Electrode
投稿时间:2017-03-01  修订日期:2017-08-20
DOI:10.16490/j.cnki.issn.1001-3660.2017.08.034
中文关键词:  表面活性剂  锌电极  缓蚀率  电解液  电化学性能
英文关键词:surfactant  zinc electrode  inhibition rate  electrolyte  electrochemical properties
基金项目:国家自然科学基金(21266006);广西自然科学基金资助项目(2016GXNSFAA380109)
作者单位
李海莹 1.广西电磁化学功能物质重点实验室,广西 桂林 541004;2.桂林理工大学 化学与生物工程学院,广西 桂林 541004 
刘峥 1.广西电磁化学功能物质重点实验室,广西 桂林 541004;2.桂林理工大学 化学与生物工程学院,广西 桂林 541004 
王浩 1.广西电磁化学功能物质重点实验室,广西 桂林 541004;2.桂林理工大学 化学与生物工程学院,广西 桂林 541004 
谢思维 1.广西电磁化学功能物质重点实验室,广西 桂林 541004;2.桂林理工大学 化学与生物工程学院,广西 桂林 541004 
张淑芬 1.广西电磁化学功能物质重点实验室,广西 桂林 541004;2.桂林理工大学 化学与生物工程学院,广西 桂林 541004 
AuthorInstitution
LI Hai-ying 1.Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, Guilin 541004, China;2.School of Chemical and Biological Engineering, Guilin University of Technology, Guilin 541004, China 
LIU Zheng 1.Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, Guilin 541004, China;2.School of Chemical and Biological Engineering, Guilin University of Technology, Guilin 541004, China 
WANG Hao 1.Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, Guilin 541004, China;2.School of Chemical and Biological Engineering, Guilin University of Technology, Guilin 541004, China 
XIE Si-wei 1.Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, Guilin 541004, China;2.School of Chemical and Biological Engineering, Guilin University of Technology, Guilin 541004, China 
ZHANG Shu-fen 1.Guangxi Key Laboratory of Electrochemical and Magneto-chemical Functional Materials, Guilin 541004, China;2.School of Chemical and Biological Engineering, Guilin University of Technology, Guilin 541004, China 
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中文摘要:
      目的 选择席夫碱基季铵盐型双子表面活性剂作为电解液添加剂,改善碱性锌电极的电化学性能,提高其耐蚀性能。方法 通过电化学分析法,如失重法、塔菲尔极化曲线法、交流阻抗法等分析研究三种席夫碱基季铵盐型双子表面活性剂(D1、D2、D3)对锌电极电化学性能的影响,利用X射线光电子能谱(XPS)和扫描电子显微镜(SEM)研究在6 mol/L KOH电解液(饱和ZnO)浸泡48 h后,锌片表面的成分和形貌。结果 室温下,缓蚀率随席夫碱基季铵盐型表面活性剂浓度升高而增加,当浓度进一步增大,缓蚀率变化不大。三种席夫碱基表面活性剂中,D3缓蚀能力最强,缓蚀率最高达95.67%,抑制腐蚀的效果顺序为:D3>D2>D1,属于抑制阳极型缓蚀剂。结论 D1、D2、D3作为碱性锌电极的电解液添加剂,可以有效减缓锌电极的腐蚀、变形、钝化及枝晶形成的能力,改善了碱性锌电极的电化学性能,D1、D2、D3适合作为碱性锌电池的缓蚀添加剂。
英文摘要:
      The work aims to improve electrochemical properties of alkaline zinc electrode and its corrosion resistance by taking Schiff base quaternary ammonium gemini surfactant as electrolyte additive. Effects of three Schiff base quaternary ammonium gemini surfactants (D1, D2, D3) on electrochemical properties of zinc electrode were studied in electrochemical methods including weight loss method, Tafel polarization curve method and AC impedance method. Composition and morphology of the zinc sheet soaked in 6 mol/L KOH (saturated ZnO) electrolyte for 48 h were studied with X ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM). At room temperature, corrosion inhibition rate increased with the Schiff base quaternary ammonium salt surfactant concentration increased, and changed slightly as the concentration further increased. The corrosion inhibition capacity of D3 in the three surfactants was the highest, and the corrosion inhibition rate was up to 95.67%. The effect of corrosion inhibition was D3>D2>D1, belonging to the inhibition of anodic corrosion inhibitor. D1, D2 and D3 as electrolyte additives can effectively reduce corrosion, deformation, passivation and dendrite formation of zinc electrode, and improve the electrochemical properties of alkaline zinc electrode. D1, D2 and D3 are suitable to be used as corrosion inhibitors of alkaline zinc batteries.
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