The Improvement of Zinc Electrodes for Electrochemical Cells PDF Download
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Author: J. E. Oxley
Publisher:
ISBN:
Category : Electrodes, Zinc
Languages : en
Pages : 44
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Book Description
Author: J. E. Oxley
Publisher:
ISBN:
Category : Electrodes, Zinc
Languages : en
Pages : 44
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Book Description
Author: J. E. Oxley
Publisher:
ISBN:
Category : Electrodes, Zinc
Languages : en
Pages : 44
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Book Description
Author: Lewis H. Gaines
Publisher:
ISBN:
Category :
Languages : en
Pages : 114
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Author: United States. National Aeronautics and Space Administration Scientific and Technical Information Division
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 2300
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Book Description
Author: Gobinath Pillai Rajarathnam
Publisher: Springer
ISBN: 9812876464
Category : Technology & Engineering
Languages : en
Pages : 113
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Book Description
This book presents a detailed technical overview of short- and long-term materials and design challenges to zinc/bromine flow battery advancement, the need for energy storage in the electrical grid and how these may be met with the Zn/Br system. Practical interdisciplinary pathways forward are identified via cross-comparison and comprehensive review of significant findings from more than 300 published works, with clear in-depth explanations spanning initial RFB development to state-of-the-art research in related systems. Promising strategies described include the use of modern electrochemical techniques to study and optimize physical processes occurring within the system during operation, improving zinc electroplating quality during the charge phase through the strategic use of organic additives, as well as identifying suitable catalysts to optimize the bromine/bromide redox couple. The primary focus is on research and development of novel materials in the areas of electrolyte formulation and multifunctional “smart” electrode surfaces to achieve a higher degree of control over processes at the electrode–electrolyte interface. The strategies suggested in this book are also highly adaptable for use in other similar flow battery systems, while the unique cross-comparative approach makes it a useful reference and source of new ideas for both new and established researchers in the field of energy storage and battery technology.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 504
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 151
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The addition of Ca(OH)2 to the zinc electrode of Zn/NiOOH cells was investigated in order to determine its effect on reducing the rate of Zinc redistribution. Cells containing 0, 10, 25, and 40 mol% Ca(OH)2 in the zinc electrode were constructed and tested. Ca(OH)2 was found to form a calcium zincate complex with the zincate-supersaturated KOH solution created during the discharge half-cycle. As Ca(OH)2 is insoluble in the electrolyte, the formation of this complex (containing two Zn atoms to one Ca) significantly reduces the Zinc redistribution rate. Electrodes with only 10% Ca(OH)2 were found to contain insufficient Ca(OH)2 to complex with enough Zinc to make a dramatic improvement on cycle life. The 25%-Ca(OH)2 electrodes, however, were found to retain their capacity beyond 150 deep discharge cycles, with indication that further Zinc redistribution would occur very slowly. The Zinc utilization of the Ca-containing electrodes showed dramatic improvement over the Ca-free zinc electrodes. 23 refs., 49 figs., 7 tabs.
Author: United States. National Aeronautics and Space Administration. Scientific and Technical Information Division
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1156
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Author: United States. National Aeronautics and Space Administration. Scientific and Technical Information Division
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 2084
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 350
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