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Electrodeposition of highly active lithium cobalt oxide thin film anodes in platinum metal group-free photoelectrochemical cells
Descriptive
TitleInfo
Title
Electrodeposition of highly active lithium cobalt oxide thin film anodes in platinum metal group-free photoelectrochemical cells
Name
(type = personal)
NamePart
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Kashi
NamePart
(type = given)
Ajay R.
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Ajay R. Kashi
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author
Name
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Dismukes
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G. Charles
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G. Charles Dismukes
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Advisory Committee
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chair
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Celik
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Fuat
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Fuat Celik
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Advisory Committee
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internal member
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Asefa
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Tewodros
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Tewodros Asefa
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Advisory Committee
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internal member
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Rutgers University
Role
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degree grantor
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School of Graduate Studies
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school
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Text
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theses
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2018
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2018-05
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2018
Place
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xx
Language
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eng
Abstract
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In the development of high-performance, commercially-scalable photoelectrochemical cells (PECs) for solar-driven hydrogen production, effective and low-cost anodes must be engineered for long-term operation in alkaline solution. Lithium cobalt oxide (LiCoO2) has been studied as a highly active and stable catalyst for the anodic oxygen evolution reaction (OER) in its delithiated cubic spinel polymorph, LiCo2O4. Drawing inspiration from the dimensionally stabilized anode (DSA) configuration used for continuous electrochemical chlorine generation, a thin film of LixCoO2 has been electrodeposited onto a passivated TiOx/Ti support for functional integration as the dark anode in the PEC device. Kinetic performance as evaluated by cyclic and linear sweep voltammetry resulted in geometric current densities of 10 mA/cm2 (corresponding to 10% photoelectrochemical conversion) achieved at 430 mV overpotential. Long-term stability measurements evaluated at 10 mA/cm2 demonstrate continuous operation for up to 13 days with minimal loss in activity. Characterization via x-ray diffraction, x-ray photoelectron spectroscopy, and scanning electron microscopy coupled with electron dispersive spectroscopy give insight into the structure-property relationships responsible for the measured high electrochemical performance.
Subject
(authority = RUETD)
Topic
Chemical and Biochemical Engineering
Subject
(authority = ETD-LCSH)
Topic
Thin films
Subject
(authority = ETD-LCSH)
Topic
Renewable energy
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Rutgers University Electronic Theses and Dissertations
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ETD_8884
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electronic resource
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application/pdf
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text/xml
Extent
1 online resource (viii, 42 p. : ill.)
Note
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M.S.
Note
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Includes bibliographical references
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by Ajay R. Kashi
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Title
School of Graduate Studies Electronic Theses and Dissertations
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rucore10001600001
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NjNbRU
Identifier
(type = doi)
doi:10.7282/T3XD154V
Genre
(authority = ExL-Esploro)
ETD graduate
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Rights
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The author owns the copyright to this work.
RightsHolder
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Name
FamilyName
Kashi
GivenName
Ajay
MiddleName
R.
Role
Copyright Holder
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Type
Permission or license
DateTime
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2018-04-13 11:19:53
AssociatedEntity
Name
Ajay Kashi
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Affiliation
Rutgers University. School of Graduate Studies
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Name
Author Agreement License
Detail
I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
RightsEvent
DateTime
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2018-05-31
DateTime
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2018-11-30
Type
Embargo
Detail
Access to this PDF has been restricted at the author's request. It will be publicly available after November 30th, 2018.
Copyright
Status
Copyright protected
Availability
Status
Open
Reason
Permission or license
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windows xp
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