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The utilization of meniscus brush plating electrodeposition for the fabrication of freestanding heterogeneous copper-tin films for lithium alloying negative electrodes in lithium ion batteries
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Scott, Kimberly Yuri. The utilization of meniscus brush plating electrodeposition for the fabrication of freestanding heterogeneous copper-tin films for lithium alloying negative electrodes in lithium ion batteries. Retrieved from https://doi.org/doi:10.7282/T3M04720

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TitleThe utilization of meniscus brush plating electrodeposition for the fabrication of freestanding heterogeneous copper-tin films for lithium alloying negative electrodes in lithium ion batteries
NameScott, Kimberly Yuri (author); Amatucci, Glenn G. (chair); Klein, Lisa C. (internal member); Wenzel, John T. (internal member); Garfunkel, Eric L. (outside member); Rutgers University; Graduate School - New Brunswick
Date Created2014
Other Date2014-10 (degree)
SubjectMaterials Science and Engineering, Lithium ion batteries--Materials, Alloy plating
Extent1 online resource (xxiv, 173 p. : ill.)
DescriptionLithium-ion batteries are valuable energy storage devices that are presently utilized in most high-tech portable electronic devices and have the potential to be incorporated into large-scale storage for the grid with joint use of renewable energy sources and/or for wider use of electric vehicles. Current chosen commercial electrode materials have restricted the further advancement of these batteries due to their low achieved theoretical capacities. Lithium alloys have been highly researched as potential replacement negative electrodes for graphite due to their superior volumetric and areal high capacities, which would greatly expand the application options for these batteries. Intrinsic properties of these materials unfortunately have presented barriers to use due to extreme volumetric expansion and continual summation of irreversible loss during cycling, causing poor capacity retention after initial lithiation. The research of this thesis focuses on the manipulation of the lithium alloying material, tin, by the choice fabrication process, electrodeposition and incorporation of supporting inactive material, copper. Processing plays a very important role in the morphology of a material. Therefore the advantageous properties of electrodeposition such as control of particle size and surface morphology, plethora of solution options, and ease of procedure make this technique a prime candidate to address the impeding issues of lithium alloys. Of particular interest, is a described first of its kind mechanical pulse deposition setup with meniscus flow during brush plating to create freestanding electrode films. Copper-tin intermetallic phases are detailed in this project due to several previous findings’ promising results of improvements in capacity retention and lower irreversible losses. Optimal diffusion for the electrodeposited films is examined through heat treatment studies with variations in film thickness and architectural film designs. Through these investigations, composite lithium alloying negative electrodes have been fabricated with both early competitive volumetric and areal capacities and low irreversible loss in comparison to today’s leading electrode.
NotePh.D.
NoteIncludes bibliographical references
Noteby Kimberly Yuri Scott
Genretheses, ETD doctoral
Persistent URLhttps://doi.org/doi:10.7282/T3M04720
Languageeng
CollectionGraduate School - New Brunswick Electronic Theses and Dissertations
Organization NameRutgers, The State University of New Jersey
RightsThe author owns the copyright to this work.
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