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Development of thermoelectric materials based on polymer nanocomposites

Composites based on ICP with conductive (SWCNT and Te) and insulating fillers (TiO2 and CuO and insulating polymers with conducting fillers (rGO, modified rGO, and SWCNT) were prepared and their thermoelectric properties were investigated. Attempts to enhance the thermoelectric properties of PEOT:PSS composites did not bring about a significant change. But, the attempts to modify rGO brought about a considerable improvement in the thermoelectric properties. At the end, the use of SWCNT provided the maximum ZT in case of insulating polymer composites. Eventually, SEBS/4 wt% SWCNT with a ZT of 0.0017 and SBS/0.5 wt% SWCNT with a ZT 6  10-6 stood out as the best p-type and n-type thermoelectric material, respectively, in this work. This success paved the way to build 2 modules of thermoelectric generators which generated a maximum potential of 93.2 mV at a temperature difference of 40 K.

Identiferoai:union.ndltd.org:DRESDEN/oai:qucosa:de:qucosa:34906
Date09 August 2019
CreatorsGnanaseelan, Minoj
ContributorsVoit, Brigitte, Singha, Nikhil Kumar, Technische Universität Dresden, Leibniz-Institut für Polymerforschung Dresden e.V
Source SetsHochschulschriftenserver (HSSS) der SLUB Dresden
LanguageEnglish
Detected LanguageEnglish
Typeinfo:eu-repo/semantics/publishedVersion, doc-type:doctoralThesis, info:eu-repo/semantics/doctoralThesis, doc-type:Text
Rightsinfo:eu-repo/semantics/openAccess

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