Electrochemical engineering
著者
書誌事項
Electrochemical engineering
（Chemical engineering monographs, v. 21A,
Elsevier, 1986
- : set
- 1, pt. A-C
- 2, pt. D-F
- タイトル別名
-
Elektrochemické inženýrství
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注記
Translation of: Elektrochemické inženýrství
Includes bibliographies and indexes
内容説明・目次
- 巻冊次
-
2, pt. D-F ISBN 9780444995483
内容説明
This second volume of Electrochemical Engineering again consists of three parts. The first part deals with transport phenomena in electrolysers, both of the flow-through type and with internal electrolyte recirculation. Laminar and turbulent flow, and stationary and nonstationary states are treated mathematically in a clear and illustrative form. Porous electrodes, which are gaining an increasing importance for electrolysers, form the subject of the second part. An account is given of their basic properties, construction elements, and theoretical models. As practical examples, the theories of the lead-acid battery electrodes and of porous oxygen and air electrodes are presented in detail. Also covered are flow-through electrochemical reactors using either a fixed or a fluidized bed of conducting particles. Finally, the third part gives a survey of mathematical formulas used in solving the relevant engineering problems. The exposition is supplemented with many figures, diagrams, and references to the original literature. It enables the reader not only to understand the problems involved, but also to use the methods to resolve his own research problems.
- 巻冊次
-
1, pt. A-C ISBN 9780444995636
内容説明
This first book comprises three parts. Part A covers transport phenomena in electrolytes whereby special attention is given to the more concentrated solutions met with in practice. Examples are given for the calculation of transport parameters in binary and ternary systems. Problems of current density distribution in electrolysers used for electrode processes controlled by charge transfer are solved in Part B by various calculation methods. Special attention is paid to the problems of electrochemical machining and of the current distribution in the Hull cell. Part C is devoted to transport phenomena at plate electrodes and diaphragms with special regard to hydrodynamics, and hence to electrode processes controlled by mass transfer. Equations for the calculation of fluxes of ions and heat to a plate electrode are solved under various conditions, and equations for the transport of ions through diaphragms and ion-exchange membranes are analysed. Much information is presented in the form of figures, diagrams, tables and references.
目次
A. Transport Phenomena in Electrolyte Solutions. Transport equations for dilute electrolytes. Transport equations for concentrated electrolytes. Heat transfer in electrolyte solutions. Voltage balances for electrolysers and galvanic cells. Boundary conditions. B. Current Density Distribution in Electrolysers with Electrode Processes Controlled by Charge Transfer. Primary distribution of current density. Secondary distribution of current density. Calculation of parasitic currents in a battery of fuel cells or electrolysers with a common electrolyte supply. Stepwise improvement of approximations of the terminal voltage and distribution of current densities. C. Transport Phenomena at Plate Electrodes and Diaphragms. Introduction. Basic relations of hydrodynamics for laminar and turbulent flow. Pressure losses in flow-through systems and their optimization. Ion transport to a plate electrode in a streaming electrolyte. Ion transport to a plate electrode during free convection of the electrolyte. Ion transport to a plate electrode during transition of free to forced convection. Simultaneous transfer of mass and heat to a plate electrode during forced convection. Simultaneous transfer of mass and heat to a plate electrode during free convection of the electrolyte. Migration of ions to a plate electrode. Calculation of the time necessary to attain stationary diffusion. Flux of ions through a diaphragm in an electric field. Ion exchange membranes.
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