Kinetics of electrochemical metal dissolution
著者
書誌事項
Kinetics of electrochemical metal dissolution
（Studies in physical and theoretical chemistry, 47）
Elsevier, 1988
- タイトル別名
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Elektrokémiai fémoldódás kinetikája
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注記
Rev. and enl. translation of: Az elektrokémiai fémoldódás kinetikája
Includes index
内容説明・目次
内容説明
Processes that take place at a phase boundary connected with the transfer of electric charge - the electrode processes - are of great importance in many aspects of everyday life. Nevertheless, the elaboration of theories concerning these processes started only in the 1930s. In particular, results obtained during the last two decades have made it possible to survey the general theoretical fundamentals of electrode processes and to elucidate the reaction mechanisms of several important electrode processes. The main aim of the present work is to describe the most significant kinetic characteristics of an important group of electrode processes - the electrochemical dissolution of metals (anodic and spontaneous dissolution). An overview is given on the kinetics of the complex processes taking place in consecutive and parallel reaction paths. In this respect the book fills a gap, as it is the first time that a work relevant to the stepwise mechanism of electrode processes has been published. The value of the work is enhanced by the inclusion of the author's own results, which are assessed together with those of other research workers.
目次
1. Equilibrium of Chemical and Electrochemical Reactions. Galvanic cells. The potential of the cell reaction. The electrodes. Equilibria potential expressed by the formal potential. Equilibrium of the cell reaction. Electrochemical equilibrium diagrams. The equilibrium diagram of water. Electrochemical equilibrium diagrams of metals. 2. Basic Principles of the Kinetics of Electrode Processes. Polarization of electrodes and the overvoltage. Transfer polarization. The exchange current. Overvoltage and polarization. Effect of the structure of the electrochemical double layer on the rate of the transfer reaction. Determination of the exchange current density and transfer coefficient. Multistep electrode reactions. Simultaneous electrode reactions. Diffusion polarization. The diffusion current. Diffusion polarization and current density correlations in the case of complex electrode reactions. Diffusion polarization in multistep electrode processes. The role of the motion of the liquid in diffusion processes. The rotating disc electrode. Combined appearance of transfer and diffusion polarization. Processes involving one single charge transfer step. Processes with consecutive charge transfer steps. Rotating ring-disc electrode for study of dissolution of metals. Some methods for investigating multistep dissolution of metals. Effect of the composition of the solution on electrode processes. Processes at the metal electrode in the presence of complexing agents. Effect of anions that do not form metal complexes. Effect of adsorption on the kinetics of metal dissolution. Passivity of metals. Passivity and the composition of solutions. The adsorption and covering layer theories of passivation. On the kinetics of passivation. Anodic dissolution of metals in the transpassive potential range. Electrochemical polishing of metals. Electrochemical machining. 3. Spontaneous Processes at Metal Electrodes. Spontaneous processes brought about by the effect of the metal's own ions. Corrosion of metals. Corrosion of metals unaffected by diffusion. Corrosion of metals affected by diffusion. Corrosion of metals in processes involving consecutive charge-transfer steps. Effect of inhomogeneity of the metal surface on corrosion. Effect of the composition of the solution on corrosion. Some electrochemical methods of protection against corrosion. Index.
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