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Conference Paper: Thermoelectric energy conversion using nanostructured materials
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TitleThermoelectric energy conversion using nanostructured materials
 
AuthorsChen, G1
Kraemer, D1
Muto, A1
McEnaney, K1
Feng, HP1
Liu, WS2
Zhang, Q2
Yu, B2
Ren, Z2
 
KeywordsBulk materials
Device optimization
Efficiency characteristic
Electrical power generation
Flux concentration
Operating temperature
Power conversion
Power conversion efficiencies
Power out put
Skutterudite materials
Solar applications
Temperature differences
Thermal concentration
Thermal heat
Thermoelectric devices
Thermoelectric generators
Thermoelectric material
Thermoelectrics
Conversion efficiency
Electric generators
Heat flux
Materials
Nanotechnology
Optimization
Sensors
Skutterudites
Solar equipment
Thermoelectric equipment
Thermoelectricity
Thermoelectric energy conversion
 
Issue Date2011
 
PublisherS P I E - International Society for Optical Engineering. The Journal's web site is located at http://spie.org/x1848.xml
 
CitationProceedings Of Spie - The International Society For Optical Engineering, 2011, v. 8031 [How to Cite?]
DOI: http://dx.doi.org/10.1117/12.885759
 
AbstractHigh performance thermoelectric materials in a wide range of temperatures are essential to broaden the application spectrum of thermoelectric devices. This paper presents experiments on the power and efficiency characteristics of lowand mid-temperature thermoelectric materials. We show that as long as an appreciable temperature difference can be created over a short thermoelectric leg, good power output can be achieved. For a mid-temperature n-type doped skutterudite material an efficiency of over 11% at a temperature difference of 600°C could be achieved. Besides the improvement of thermoelectric materials, device optimization is a crucial factor for efficient heat-to-electric power conversion and one of the key challenges is how to create a large temperature across a thermoelectric generator especially in the case of a dilute incident heat flux. For the solar application of thermoelectrics we investigated the concept of large thermal heat flux concentration to optimize the operating temperature for highest solar thermoelectric generator efficiency. A solar-to-electric power conversion efficiency of ∼5% could be demonstrated. Solar thermoelectric generators with a large thermal concentration which minimizes the amount of thermoelectric nanostrucutured bulk material shows great potential to enable cost-effective electrical power generation from the sun. © 2011 Copyright Society of Photo-Optical Instrumentation Engineers (SPIE).
 
ISSN0277-786X
2013 SCImago Journal Rankings: 0.203
 
DOIhttp://dx.doi.org/10.1117/12.885759
 
ISI Accession Number IDWOS:000291441400049
 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorChen, G
 
dc.contributor.authorKraemer, D
 
dc.contributor.authorMuto, A
 
dc.contributor.authorMcEnaney, K
 
dc.contributor.authorFeng, HP
 
dc.contributor.authorLiu, WS
 
dc.contributor.authorZhang, Q
 
dc.contributor.authorYu, B
 
dc.contributor.authorRen, Z
 
dc.date.accessioned2011-10-10T07:03:47Z
 
dc.date.available2011-10-10T07:03:47Z
 
dc.date.issued2011
 
dc.description.abstractHigh performance thermoelectric materials in a wide range of temperatures are essential to broaden the application spectrum of thermoelectric devices. This paper presents experiments on the power and efficiency characteristics of lowand mid-temperature thermoelectric materials. We show that as long as an appreciable temperature difference can be created over a short thermoelectric leg, good power output can be achieved. For a mid-temperature n-type doped skutterudite material an efficiency of over 11% at a temperature difference of 600°C could be achieved. Besides the improvement of thermoelectric materials, device optimization is a crucial factor for efficient heat-to-electric power conversion and one of the key challenges is how to create a large temperature across a thermoelectric generator especially in the case of a dilute incident heat flux. For the solar application of thermoelectrics we investigated the concept of large thermal heat flux concentration to optimize the operating temperature for highest solar thermoelectric generator efficiency. A solar-to-electric power conversion efficiency of ∼5% could be demonstrated. Solar thermoelectric generators with a large thermal concentration which minimizes the amount of thermoelectric nanostrucutured bulk material shows great potential to enable cost-effective electrical power generation from the sun. © 2011 Copyright Society of Photo-Optical Instrumentation Engineers (SPIE).
 
dc.description.natureLink_to_subscribed_fulltext
 
dc.identifier.citationProceedings Of Spie - The International Society For Optical Engineering, 2011, v. 8031 [How to Cite?]
DOI: http://dx.doi.org/10.1117/12.885759
 
dc.identifier.doihttp://dx.doi.org/10.1117/12.885759
 
dc.identifier.isiWOS:000291441400049
 
dc.identifier.issn0277-786X
2013 SCImago Journal Rankings: 0.203
 
dc.identifier.scopuseid_2-s2.0-79958014441
 
dc.identifier.urihttp://hdl.handle.net/10722/142039
 
dc.identifier.volume8031
 
dc.publisherS P I E - International Society for Optical Engineering. The Journal's web site is located at http://spie.org/x1848.xml
 
dc.publisher.placeUnited States
 
dc.relation.ispartofProceedings of SPIE - The International Society for Optical Engineering
 
dc.relation.referencesReferences in Scopus
 
dc.subjectBulk materials
 
dc.subjectDevice optimization
 
dc.subjectEfficiency characteristic
 
dc.subjectElectrical power generation
 
dc.subjectFlux concentration
 
dc.subjectOperating temperature
 
dc.subjectPower conversion
 
dc.subjectPower conversion efficiencies
 
dc.subjectPower out put
 
dc.subjectSkutterudite materials
 
dc.subjectSolar applications
 
dc.subjectTemperature differences
 
dc.subjectThermal concentration
 
dc.subjectThermal heat
 
dc.subjectThermoelectric devices
 
dc.subjectThermoelectric generators
 
dc.subjectThermoelectric material
 
dc.subjectThermoelectrics
 
dc.subjectConversion efficiency
 
dc.subjectElectric generators
 
dc.subjectHeat flux
 
dc.subjectMaterials
 
dc.subjectNanotechnology
 
dc.subjectOptimization
 
dc.subjectSensors
 
dc.subjectSkutterudites
 
dc.subjectSolar equipment
 
dc.subjectThermoelectric equipment
 
dc.subjectThermoelectricity
 
dc.subjectThermoelectric energy conversion
 
dc.titleThermoelectric energy conversion using nanostructured materials
 
dc.typeConference_Paper
 
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<contributor.author>Kraemer, D</contributor.author>
<contributor.author>Muto, A</contributor.author>
<contributor.author>McEnaney, K</contributor.author>
<contributor.author>Feng, HP</contributor.author>
<contributor.author>Liu, WS</contributor.author>
<contributor.author>Zhang, Q</contributor.author>
<contributor.author>Yu, B</contributor.author>
<contributor.author>Ren, Z</contributor.author>
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<description.abstract>High performance thermoelectric materials in a wide range of temperatures are essential to broaden the application spectrum of thermoelectric devices. This paper presents experiments on the power and efficiency characteristics of lowand mid-temperature thermoelectric materials. We show that as long as an appreciable temperature difference can be created over a short thermoelectric leg, good power output can be achieved. For a mid-temperature n-type doped skutterudite material an efficiency of over 11% at a temperature difference of 600&#176;C could be achieved. Besides the improvement of thermoelectric materials, device optimization is a crucial factor for efficient heat-to-electric power conversion and one of the key challenges is how to create a large temperature across a thermoelectric generator especially in the case of a dilute incident heat flux. For the solar application of thermoelectrics we investigated the concept of large thermal heat flux concentration to optimize the operating temperature for highest solar thermoelectric generator efficiency. A solar-to-electric power conversion efficiency of &#8764;5% could be demonstrated. Solar thermoelectric generators with a large thermal concentration which minimizes the amount of thermoelectric nanostrucutured bulk material shows great potential to enable cost-effective electrical power generation from the sun. &#169; 2011 Copyright Society of Photo-Optical Instrumentation Engineers (SPIE).</description.abstract>
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<subject>Bulk materials</subject>
<subject>Device optimization</subject>
<subject>Efficiency characteristic</subject>
<subject>Electrical power generation</subject>
<subject>Flux concentration</subject>
<subject>Operating temperature</subject>
<subject>Power conversion</subject>
<subject>Power conversion efficiencies</subject>
<subject>Power out put</subject>
<subject>Skutterudite materials</subject>
<subject>Solar applications</subject>
<subject>Temperature differences</subject>
<subject>Thermal concentration</subject>
<subject>Thermal heat</subject>
<subject>Thermoelectric devices</subject>
<subject>Thermoelectric generators</subject>
<subject>Thermoelectric material</subject>
<subject>Thermoelectrics</subject>
<subject>Conversion efficiency</subject>
<subject>Electric generators</subject>
<subject>Heat flux</subject>
<subject>Materials</subject>
<subject>Nanotechnology</subject>
<subject>Optimization</subject>
<subject>Sensors</subject>
<subject>Skutterudites</subject>
<subject>Solar equipment</subject>
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Author Affiliations
  1. Massachusetts Institute of Technology
  2. Boston College