采用电沉积的方法在甲基磺酸镀液中制备了一种新型的锌电积A1/Pb-0.23% Ag阳极.腐蚀实验和电化学分析显示,Al/Pb-0.23%Ag阳极与传统Pb-0.25% Ag阳极相比,具有较低的腐蚀速率,较高的腐蚀电位和较低的腐蚀电流密度,较高的电催化活性;金相显微镜、扫描电子显微镜和X射线衍射分析显示,Al/Pb-0.23% Ag阳极的晶粒细小、致密,极化48 h后有PbSO4 、α-PbO2和β-PbO2生成.
参考文献
[1] | ZHOU Jianfeng.Research of Polyaniline and Tungsten Carbide Enhance Lead Based Inert Anode Material[D].Kunming:Kunming University of Science and Technology,2011 (in Chinese).周建锋.聚苯胺及碳化钨增强铅基惰性阳极材料的研究[D].昆明:昆明理工大学,2011. |
[2] | Cachat C,Rerolle C,Wiart R.Kinetics of Pb and Pb-Ag Anodes for Zinc Electrowinning:Ⅱ.Oxygen Evolution at High Polarization[J].Electrochim Acta,1996,41 (1):83-90. |
[3] | Cachat C,Rerolle C,Wiart R.Kinetics of Pb and Pb-Ag Anodes for Zinc Electrowinning:Ⅰ.Oxygen Evolution at High Polarization[J].Electrochim Acta,1995,40 (8):939-948. |
[4] | Cachat C,Rerolle C.Kinetics of Oxygen Evolution on Pb and Pb-Ag Anodes During Zinc Electrowinning[J].Electrochim Acta,1996,41 (7/8):1063-1069. |
[5] | Monahow B,Pavlor D.Influence of Ag as Alloy Additive on the Oxygen Evolution Reaction on Pb/PbO2 Elecrode[J].J Power Sources,2000,85:59-62. |
[6] | Lai Y Q,Jiang L X,Li J,et al.A Novel Porous Pb-Ag Anode for Energy-saving in Zinc Electro-winning:Part Ⅰ.Laboratory Preparation and Properties[J].Hydrometallurgy,2010:1-4,73-80. |
[7] | Prengaman R D,Siegmund A.New Wrought Pb-Ag-Ca Anodes for Zinc Electrowinning to Produce a Protective Oxide Coating Rapidly[C].Lead-inc 2000 Symposium as held at USA,2000:589-596. |
[8] | Rashkov St,Stefanov Y,Noncheva Z,et al.Investigation of the Processes of Obtaining Plastic Treatment and Electrochemical Behaviour of Lead Alloys in Their Capacity as Anodes during the Electroextraction of Zinc:Ⅱ.Electrochemical Formation of Phase Layers on Binary Pb-Ag and Pb-Ca,and Temary Pb-Ag-Ca Alloys in a Sulphuric-acid Electrolyte for Zinc Electroextraction[J].Hydrometallurgy,1996,3:319-334. |
[9] | Kazuo K,Yasushi T,Hitoshi W,et al.Fundamental Studies on the Modification of Lead Anode in the Zinc Electrowinning[J].J Min Mater Process Inst Jpn,2002,8:564-568. |
[10] | Ivanov I,Stefanov Y,Noncheva Z,et al.In Solnble Anodes Used in Hydrometallurgy:Part Ⅰ.Corrosion Resistance of Lead and Lead Alloy Anodes[J].Hydrometallurgy,2000,2:109-124. |
[11] | Petrova M,Stefanov Y,Noncheva Z,et al.Electrochemical Behaviour of Lead Alloys Anodes in Zinc Electrowinning[J].Br Corros J,1999,34(3):198-200. |
[12] | Hrussanova A,Mirkova L,Dobrev T S.Electrochemical Properties of Pb-Sb,Pb-Ca-Sn and Pb-Co3O4 Anodes in Copper Electrowirming[J].J Appl Electrochem,2002,5:505-512. |
[13] | WANG Jingyi,HU Xien.Electrodeposition of PbO2 on Ti by the Pulsed Current Technique[J].Chinese J Process Eng,2003,3(6):540-543(in Chinese).王静毅,胡熙恩.脉冲电镀制备钛基二氧化铅电极[J].过程工程学报,2003,3(6):540-543. |
[14] | QIAO Qingdong,LI Qi,YU Dayong,et al.Preparation and Application of Ti-Supported Lead Dioxide Electrode[J].Chinese J Aool Chem,2000,16 (5):555-557 (in Chinese).乔庆东,李琪,于大勇,等.钛基二氧化铅电极的制备及应用[J].应用化学,2000,16(5):555-557. |
[15] | WANG Jing,ZHAO Fang,ZHANG Yong.Preparation and Application of Ti-Based Lead Dioxide Electrode[J].Chem Eng,2009,23 (5):45-47 (in Chinese).王晶,赵芳,张勇.钛基二氧化铅电极的制备及其应用[J].化学工程师,2009,23(5):45-47. |
[16] | CHEN Buming.Processing Technology and Electrochemical Properties of the New Energy-saving Anode Material[D].Kunming:Kunming University of Science and Technology,2009 (in Chinese).陈步明.新型节能阳极材料制备技术及电化学性能研究[D].昆明:昆明理工大学,2009. |
[17] | HUANG Hui,XU Jinquan,GUO Zhongcheng.Studies on Properties of Electrodeposited a Series of Al/Pb-WC-ZrO2 Composite Electrodes[J].Mater Res Appl,2008,2(2):115-118(in Chinese).黄惠,许金泉,郭忠诚.电沉积Al/Pb-WC-ZrO2系复合电极材料的研究[J].材料研究与应用,2008,2(2):115-118. |
[18] | MEI Guanggui,WANG Derun,ZHOU Jingyuan,et al.Hydrometallurgy of Zinc[M].Changsha:Press of Central South University 2001:342(in Chinese).梅光贵,王德润,周敬元,等.湿法炼锌[M].长沙:中南大学出版社,2001:342. |
[19] | SI Yunsen,YANG Xianwan.Analytical Study on the Experimental Data in the Electrochemical Polarization Press[J].J Kunming Univ Sci Technol,2003,28(1):164-167(in Chinese).司云森,杨显万.电化学极化过程实验数据处理分析的研究[J].昆明理工大学学报,2003,28(1):164-167. |
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