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Novel high volumetric energy density nanostructured electrode materials for biomedical applications
Descriptive
TypeOfResource
Text
TitleInfo
(ID = T-1)
Title
Novel high volumetric energy density nanostructured electrode materials for biomedical applications
Identifier
ETD_2573
Identifier
(type = hdl)
http://hdl.rutgers.edu/1782.2/rucore10001600001.ETD.000053219
Language
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eng
Genre
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theses
Subject
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(authority = RUETD)
Topic
Materials Science and Engineering
Subject
(ID = SBJ-2);
(authority = ETD-LCSH)
Topic
Nanostructured materials
Subject
(ID = SBJ-3);
(authority = ETD-LCSH)
Topic
Lithium cells
Subject
(ID = SBJ-4);
(authority = ETD-LCSH)
Topic
Medical electronics
Abstract
(type = abstract)
A definitive focus is being made to develop cathode materials of higher energy and good power for primary and rechargeable lithium batteries upon the development of implantable biomedical devices (cardiac defibrillators). In this thesis, novel electroactive nanostructured silver metal oxyfluoride perovskites, Ag1+3Mo6+(O3F3) and Ag1+3Nb5+(O2F4) have been successfully synthesized by a mechanochemical reaction. The formation of these perovskites was investigated throughout the Ag-Mo / Nb composition range with the use of either Ag1+ or Ag2+ in the form of AgF and AgF2 as the reactant, respectively. The compositional study combined with XRD and extensive Raman investigation was utilized to determine structure and cation distribution and infer oxidation state. An electrochemical characterization of these silver metal oxyfluoride perovskite positive electrodes for Li batteries was investigated for the first time as a function of synthesis condition, stoichiometry and effect of Mo and Ag derived second phases. A detailed in-situ electrochemical study by XAS, Raman and XRD was performed, revealing a 3 electron silver displacement or conversion reaction at > 3 V and a 2 electron reduction of Mo6+ to Mo4+ in the region < 3 V. To further improve the rate capability of silver metal oxyfluorides, metallic Ag2F phase has been successfully synthesized through the mechanochemical reaction of Ag and AgF. Its unique metallic character within Ag layers lead to a very good electronic conductivity (7.89×10-2 S/cm). The efficacy of SMOF composites consisting of conducting matrix (carbon black, Ag2F and Ag phase) for lithium battery was investigated through discharge rate studies. Results indicated that Ag2F phase could be utilized as an alternative conductive additive with exceptional density.
PhysicalDescription
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electronic resource
Extent
xxviii, 236 p. : ill.
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application/pdf
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text/xml
Note
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Ph.D.
Note
Includes abstract
Note
Vita
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(type = bibliography)
Includes bibliographical references
Note
(type = statement of responsibility)
by Wei Tong
Name
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Tong
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Wei
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1979-
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author
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Wei Tong
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Amatucci
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Glenn G
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chair
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Glenn G Amatucci
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KLEIN
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LISA C
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internal member
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Advisory Committee
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LISA C KLEIN
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Mann
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Adrian
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internal member
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Advisory Committee
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Adrian Mann
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Leising
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Randolph
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outside member
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Advisory Committee
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Randolph Leising
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Rutgers University
Role
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degree grantor
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Graduate School - New Brunswick
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school
OriginInfo
DateCreated
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2010
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2010
Place
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xx
Location
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NjNbRU
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TitleInfo
Title
Rutgers University Electronic Theses and Dissertations
Identifier
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ETD
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(type = host)
TitleInfo
Title
Graduate School - New Brunswick Electronic Theses and Dissertations
Identifier
(type = local)
rucore19991600001
Identifier
(type = doi)
doi:10.7282/T3R78F8B
Genre
(authority = ExL-Esploro)
ETD doctoral
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Rights
RightsDeclaration
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(ID = rulibRdec0006)
The author owns the copyright to this work.
Copyright
Status
Copyright protected
Availability
Status
Open
Reason
Permission or license
RightsHolder
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(type = personal)
Name
FamilyName
Tong
GivenName
Wei
Role
Copyright Holder
RightsEvent
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Type
Permission or license
DateTime
2010-04-12 18:04:32
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Name
Wei Tong
Affiliation
Rutgers University. Graduate School - New Brunswick
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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
(ID = RE-2);
(AUTHORITY = rulib)
Type
Embargo
DateTime
2010-05-31
Detail
Access to this PDF has been restricted at the author's request. It will be publicly available after November 30th, 2010.
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Technical
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ETD
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application/pdf
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application/x-tar
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4474880
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