Role of electronic, geometric, and surface properties on the mechanism of the electrochemical hydriding/dehydriding reactions

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Since 1990 there has been an ongoing collaboration among the authors to investigate the role of individual elements on the thermodynamics and kinetics of hydriding/dehydriding reactions. This review article presents the electrochemical and physicochemical characteristics of hydriding/dehydriding reactions from the point of view of their dependence on electronic, geometric and surface properties of the hydride materials. X-ray absorption spectroscopy (XAS), x-ray diffraction spectroscopy (XRD) and scanning vibrating electrode technique (SVET) studies were based on AB{sub 5} type alloys, partially substituted by other elements. Expansion of the unit cell volume and a larger Ni d band vacancy are beneficial for increasing ... continued below

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7 p.

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Srinivasan, S.; Zhang, W. & Kumar, M. P. S. March 1996.

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Description

Since 1990 there has been an ongoing collaboration among the authors to investigate the role of individual elements on the thermodynamics and kinetics of hydriding/dehydriding reactions. This review article presents the electrochemical and physicochemical characteristics of hydriding/dehydriding reactions from the point of view of their dependence on electronic, geometric and surface properties of the hydride materials. X-ray absorption spectroscopy (XAS), x-ray diffraction spectroscopy (XRD) and scanning vibrating electrode technique (SVET) studies were based on AB{sub 5} type alloys, partially substituted by other elements. Expansion of the unit cell volume and a larger Ni d band vacancy are beneficial for increasing the amount of the hydrogen storage. XAS and SVET showed that the Ce substitution for La in an AB{sub 5} alloy enhances the lifetime of hydride electrode.

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7 p.

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OSTI as DE96006507

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  • 11. annual battery conference on applications and advances, Long Beach, CA (United States), 9-12 Jan 1996

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  • Other: DE96006507
  • Report No.: BNL--62763
  • Report No.: CONF-960112--3
  • Grant Number: FG03-93ER14381;AC02-76CH00016
  • Office of Scientific & Technical Information Report Number: 206617
  • Archival Resource Key: ark:/67531/metadc668098

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  • March 1996

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  • June 29, 2015, 9:42 p.m.

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  • Nov. 9, 2015, 2:29 p.m.

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Srinivasan, S.; Zhang, W. & Kumar, M. P. S. Role of electronic, geometric, and surface properties on the mechanism of the electrochemical hydriding/dehydriding reactions, article, March 1996; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc668098/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.