Energy Applications of Graphene-Based Nanomaterials and Their Composites

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dc.contributor.advisorTour, James Men_US
dc.creatorWang, Tuoen_US
dc.date.accessioned2019-05-17T16:26:47Zen_US
dc.date.available2019-05-17T16:26:47Zen_US
dc.date.created2018-12en_US
dc.date.issued2018-11-26en_US
dc.date.submittedDecember 2018en_US
dc.date.updated2019-05-17T16:26:47Zen_US
dc.description.abstractGraphene-based nanomaterials, which contain two-dimensional graphene sheets that consist of sp2-C atoms arranged in a hexagonal lattice, have exceptional electrical conductivity and mechanical properties, thereby showing promise for use in energy-related devices. Two different types of graphene nanomaterials were studied: one-dimensional graphene nanoribbons and three-dimensional graphene foams. The graphene nanoribbons have both abundant edges for chemical functionalization that improves their dispersibility and interfacial interaction with other materials, and high aspect ratio that affords percolation on a specific area at a smaller mass loading. They have been demonstrated to be an excellent choice for making conductive films with deicing and anti-icing capabilities (Chapter 1) and as a conductive additive for dendrite-free Li metal anodes in Li metal batteries and red P anodes in high energy density Li-ion batteries (Chapter 2). It was found that red P was not only a good candidate for anode materials, but a surprisingly powerful tool to improve battery safety by in situ detection of Li dendrites in an ordinary two-electrode battery system. The other graphene nanomaterial, the three-dimensional graphene foams prepared from polyacrylonitrile using the powder metallurgy method, exhibited high electrical conductivity and high mechanical strength that powdered graphene species cannot achieve, which enabled them to reinforce epoxy resin and enhance the electrical conductivity of the epoxy to an unprecedented level (Chapter 3).en_US
dc.format.mimetypeapplication/pdfen_US
dc.identifier.citationWang, Tuo. "Energy Applications of Graphene-Based Nanomaterials and Their Composites." (2018) Diss., Rice University. <a href="https://hdl.handle.net/1911/105872">https://hdl.handle.net/1911/105872</a>.en_US
dc.identifier.urihttps://hdl.handle.net/1911/105872en_US
dc.language.isoengen_US
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.en_US
dc.subjectGrapheneen_US
dc.subjectcompositeen_US
dc.subjectbatteriesen_US
dc.subjectdeicingen_US
dc.subjectanti-icingen_US
dc.subjectelectrical conductivityen_US
dc.titleEnergy Applications of Graphene-Based Nanomaterials and Their Compositesen_US
dc.typeThesisen_US
dc.type.materialTexten_US
thesis.degree.departmentChemistryen_US
thesis.degree.disciplineNatural Sciencesen_US
thesis.degree.grantorRice Universityen_US
thesis.degree.levelDoctoralen_US
thesis.degree.nameDoctor of Philosophyen_US
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