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electrolytic cell

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Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003604
EISBN: 978-1-62708-182-5
... the electrode reactions are displaced from equilibrium and the electrode potential is no longer at the equilibrium potential. The article describes irreversible cell potential by using galvanic cells, electrolytic cells, and corrosion cells. metallic corrosion kinetics equilibrium electrode potential...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002160
EISBN: 978-1-62708-188-7
...Abstract Abstract Electrochemical machining (ECM) is the controlled removal of metal by anodic dissolution in an electrolytic cell in which the workpiece is the anode and the tool is the cathode. This article begins with a description of the ECM system and then discusses the primary variables...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003595
EISBN: 978-1-62708-182-5
...Abstract Abstract Electropolishing is an electrochemical process that involves anodic dissolution of a metal specimen (anode electrode) in an electrolytic cell. This article reviews the two-electrode and three-electrode systems for electropolishing. It presents the equations of anodic reactions...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003599
EISBN: 978-1-62708-182-5
... with a warm, low-impurity electrolyte with a high concentration of metal ions. Careful process control of the supply of leveling and grain-refining agents, current density, and temperature is essential. Electrochemical Cell Both electrodes are immersed in suitable electrolytic solutions. The anode...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003709
EISBN: 978-1-62708-182-5
... of a material by chemical or electrochemical reactions between the material and its environment. Corrosion Cell A corrosion cell is typically a galvanic cell that results from a lack of homogeneity in a material or its environment. There are cases where a corrosion cell can be an electrolytic cell...
Book Chapter

By Mark C. Williams
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003602
EISBN: 978-1-62708-182-5
...Abstract Abstract This article describes the ideal performance of various low-temperature and high-temperature fuel cells that depends on the electrochemical reactions that occur between different fuels and oxygen. Low-temperature fuel cells, such as polymer electrolyte, alkaline...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004135
EISBN: 978-1-62708-184-9
... or rechargeable batteries. Fuel cells are classified into five types: phosphoric acid fuel cell (PAFC), solid polymer electrolyte fuel cell, alkaline electrolyte fuel cell, molten carbonate fuel cell (MCFC), and solid oxide fuel cell. The article presents reactions that occur during charging and discharging...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003598
EISBN: 978-1-62708-182-5
... is in the form of chips. Further, electrolyte is trapped between the abrasive particles and the workpiece surface, and it forms a tiny electrolytic cell as shown in Fig. 2 . In each electrolytic cell, a small amount of material from the workpiece is electrochemically dissolved. Fig. 2 The three working...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004136
EISBN: 978-1-62708-184-9
...Abstract Abstract This article describes the classification of fuel cells depending on the operating temperature and type of electrolytes used. This classification includes alkaline fuel cells, phosphoric acid fuel cells, polymer electrolyte membrane fuel cells (PEMFCs), molten carbonate fuel...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006483
EISBN: 978-1-62708-207-5
...Abstract Abstract This article describes the Bayer process for the purification of alumina. The process includes four major stages: digestion, clarification, precipitation, and calcination. The article discusses the aluminum electrolytic process in terms of aluminum electrolysis cell design...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003748
EISBN: 978-1-62708-177-1
... results and vary with electrolytes and metals. A preground sample is made the anode in an electrolytic cell, and the surface is smoothed and brightened by the anodic solution when the correct combination of bath temperature, voltage, current density, and time is applied. Variables that influence...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006679
EISBN: 978-1-62708-213-6
... (with a charge of ne ) remaining in the solid. A conducting medium (electrolyte) between the electrodes is necessary, because the oxidation reaction can only be sustained if the number of electrons ( n ) left over from the oxidized metal (O) can be consumed (reduced) at the cathode of the cell. Hence...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003592
EISBN: 978-1-62708-182-5
... in a galvanic cell or is imposed on an electrolytic cell, reactions at both electrodes are not at equilibrium, and there is consequently an overpotential on each of them. The potential difference measured between the two electrodes then includes the value of the two overpotentials, and it is not possible...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001742
EISBN: 978-1-62708-178-8
... of electrogravimetry with examples. electrode potential electrogravimetry polarization cells quantitative determination Overview Introduction Electrogravimetry is the oldest electroanalytical technique. The element of interest must be deposited electrolytically onto an electrode and weighed. Unlike...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003579
EISBN: 978-1-62708-182-5
... in electrolytic cells or battery charging. Corrosion Reactions The two types of cell processes described previously are of interest when dealing with corrosion. Corrosion reactions are similar to galvanic cells, with the two electrodes being different parts of the metal. Anodic dissolution takes place...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001271
EISBN: 978-1-62708-170-2
... section, the heart of the process, always consists of multiple plating cells located in a row ( Fig. 10 ). At the beginning of the plating section, there is frequently a conditioning or preplating cell. A conditioning cell may simply contain the process electrolyte, to wet the strip surface prior...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.9781627081825
EISBN: 978-1-62708-182-5
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003606
EISBN: 978-1-62708-182-5
...Abstract Abstract This article discusses the elements necessary for a galvanic cell operation. Detailed information on the possible corrosion reaction as a function of aqueous electrolyte concentration and pH, in the presence of certain ions, are provided using Pourbaix diagrams. A variety...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003581
EISBN: 978-1-62708-182-5
...Abstract Abstract Molten salts, in contrast to aqueous solutions in which an electrolyte (acid, base, salt) is dissolved in a molecular solvent, are essentially completely ionic. This article begins with an overview of the thermodynamics of cells and classification of electrodes for molten...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003601
EISBN: 978-1-62708-182-5
... with their oxidation reactions in water and other electrolytes, are sparingly, if ever, used as anodes in battery systems. The key to making sure that only constructive corrosion of the anode occurs is to select compositions of the electrodes and electrolyte, as well as an optimal design of cell geometry...