Title:
Surface Bioengineering on a Triboelectric Nanogenerator (TENG) Device

dc.contributor.author Tian, Linda
dc.contributor.committeeMember Wang, Zhong L.
dc.contributor.committeeMember Ding, Yong
dc.contributor.department Biomedical Engineering (Joint GT/Emory Department)
dc.contributor.department Biomedical Engineering (Joint GT/Emory Department)
dc.date.accessioned 2020-11-09T16:58:45Z
dc.date.available 2020-11-09T16:58:45Z
dc.date.created 2019-05
dc.date.issued 2019-05
dc.date.submitted May 2019
dc.date.updated 2020-11-09T16:58:45Z
dc.description.abstract Using biocompatible materials to develop inexpensive, self-powered devices is significant for novel clinical applications. Here we report the engineering optimization on a set of self-powering triboelectric nanogenerator (TENG) devices. These thin, film-based devices are made from a solution of alginate, a biocompatible polysaccharide derived from seaweed, and glycerol, a plasticizer which makes the films stronger and more ductile. This TENG device converts otherwise wasted mechanical energy to electricity through the triboelectric effect, which harnesses the friction energy produced from the contact electrification between two different materials. The TENG consists of two nodes on a linear motor, and produce electricity when one node contacts and then separates from the other node. Both nodes have a base of Polymethyl methacrylate, underneath a layer of aluminum (the conductive layer). Then, one node is covered with a layer of Polytetrafluoroethylene polymer, and the other, with the biopolymer film. We optimized critical parameters such as the separation distance between the two TENG nodes, and the glycerol concentration(s) that enable the TENGs to generate the highest outputs of voltage, current, and amount of electric charge (V, I, Q). The TENG device without glycerol generated the highest voltage output, but showed unwanted brittleness, while the lowest glycerol concentration showed a small decrease in voltage but greatly increased durability. This trend suggests an optimal window for the device-fabrication parameters between the decreasing voltage output and the increasing glycerol amount. We have also identified the ideal separation distance between the two TENG nodes which generates the highest electrical outputs. Thus, an optimized biopolymer-TENG device from this systematic engineering study could self-power a wide range of medical devices.
dc.description.degree Undergraduate
dc.format.mimetype application/pdf
dc.identifier.uri http://hdl.handle.net/1853/63836
dc.language.iso en_US
dc.publisher Georgia Institute of Technology
dc.subject Triboelectric, nanogenerator
dc.title Surface Bioengineering on a Triboelectric Nanogenerator (TENG) Device
dc.type Text
dc.type.genre Undergraduate Thesis
dspace.entity.type Publication
local.contributor.corporatename Wallace H. Coulter Department of Biomedical Engineering
local.contributor.corporatename Undergraduate Research Opportunities Program
local.contributor.corporatename College of Engineering
local.relation.ispartofseries Undergraduate Research Option Theses
relation.isOrgUnitOfPublication da59be3c-3d0a-41da-91b9-ebe2ecc83b66
relation.isOrgUnitOfPublication 0db885f5-939b-4de1-807b-f2ec73714200
relation.isOrgUnitOfPublication 7c022d60-21d5-497c-b552-95e489a06569
relation.isSeriesOfPublication e1a827bd-cf25-4b83-ba24-70848b7036ac
thesis.degree.level Undergraduate
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