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Article: High-performance flat-panel solar thermoelectric generators with high thermal concentration

TitleHigh-performance flat-panel solar thermoelectric generators with high thermal concentration
Authors
KeywordsBest value
Electric power
Flat panel
High thermal
Innovative design
Nano-structured
Optical concentrators
Peak efficiency
Solar thermal
Solar thermal electricity
Solar thermal power generation
Thermoelectric generators
Thermoelectric material
Design
Electric generators
Electric power generation
Heat engines
Photovoltaic cells
Photovoltaic effects
Power quality
Solar energy
Solar equipment
Solar heating
Solar power generation
Thermoelectric equipment
Thermoelectricity
Solar absorbers
Issue Date2011
PublisherNature Publishing Group. The Journal's web site is located at http://www.nature.com/nmat/
Citation
Nature Materials, 2011, v. 10 n. 7, p. 532-538 How to Cite?
AbstractThe conversion of sunlight into electricity has been dominated by photovoltaic and solar thermal power generation. Photovoltaic cells are deployed widely, mostly as flat panels, whereas solar thermal electricity generation relying on optical concentrators and mechanical heat engines is only seen in large-scale power plants. Here we demonstrate a promising flat-panel solar thermal to electric power conversion technology based on the Seebeck effect and high thermal concentration, thus enabling wider applications. The developed solar thermoelectric generators (STEGs) achieved a peak efficiency of 4.6% under AM1.5G (1kW m -2) conditions. The efficiency is 7-8 times higher than the previously reported best value for a flat-panel STEG, and is enabled by the use of high-performance nanostructured thermoelectric materials and spectrally-selective solar absorbers in an innovative design that exploits high thermal concentration in an evacuated environment. Our work opens up a promising new approach which has the potential to achieve cost-effective conversion of solar energy into electricity. © 2011 Macmillan Publishers Limited. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/142038
ISSN
2023 Impact Factor: 37.2
2023 SCImago Journal Rankings: 14.231
ISI Accession Number ID
Funding AgencyGrant Number
US Department of Energy, Office of Science, Office of Basic Energy SciencesDE-SC0001299/DE-FG02-09ER46577
MIT
Funding Information:

This is material is partially based on work supported as part of the 'Solid State Solar-Thermal Energy Conversion Center (S3TEC)', an Energy Frontier Research Center funded by the US Department of Energy, Office of Science, Office of Basic Energy Sciences under Award Number: DE-SC0001299/DE-FG02-09ER46577 (G.C. and Z.F.R) and MIT-Masdar Program (G.C. and M.C.).

References

 

DC FieldValueLanguage
dc.contributor.authorKraemer, Den_HK
dc.contributor.authorPoudel, Ben_HK
dc.contributor.authorFeng, HPen_HK
dc.contributor.authorCaylor, JCen_HK
dc.contributor.authorYu, Ben_HK
dc.contributor.authorYan, Xen_HK
dc.contributor.authorMa, Yen_HK
dc.contributor.authorWang, Xen_HK
dc.contributor.authorWang, Den_HK
dc.contributor.authorMuto, Aen_HK
dc.contributor.authorMcEnaney, Ken_HK
dc.contributor.authorChiesa, Men_HK
dc.contributor.authorRen, Zen_HK
dc.contributor.authorChen, Gen_HK
dc.date.accessioned2011-10-10T06:39:43Z-
dc.date.available2011-10-10T06:39:43Z-
dc.date.issued2011en_HK
dc.identifier.citationNature Materials, 2011, v. 10 n. 7, p. 532-538en_HK
dc.identifier.issn1476-1122en_HK
dc.identifier.urihttp://hdl.handle.net/10722/142038-
dc.description.abstractThe conversion of sunlight into electricity has been dominated by photovoltaic and solar thermal power generation. Photovoltaic cells are deployed widely, mostly as flat panels, whereas solar thermal electricity generation relying on optical concentrators and mechanical heat engines is only seen in large-scale power plants. Here we demonstrate a promising flat-panel solar thermal to electric power conversion technology based on the Seebeck effect and high thermal concentration, thus enabling wider applications. The developed solar thermoelectric generators (STEGs) achieved a peak efficiency of 4.6% under AM1.5G (1kW m -2) conditions. The efficiency is 7-8 times higher than the previously reported best value for a flat-panel STEG, and is enabled by the use of high-performance nanostructured thermoelectric materials and spectrally-selective solar absorbers in an innovative design that exploits high thermal concentration in an evacuated environment. Our work opens up a promising new approach which has the potential to achieve cost-effective conversion of solar energy into electricity. © 2011 Macmillan Publishers Limited. All rights reserved.en_HK
dc.publisherNature Publishing Group. The Journal's web site is located at http://www.nature.com/nmat/en_HK
dc.relation.ispartofNature Materialsen_HK
dc.subjectBest valueen_US
dc.subjectElectric poweren_US
dc.subjectFlat panelen_US
dc.subjectHigh thermalen_US
dc.subjectInnovative designen_US
dc.subjectNano-structureden_US
dc.subjectOptical concentratorsen_US
dc.subjectPeak efficiencyen_US
dc.subjectSolar thermalen_US
dc.subjectSolar thermal electricityen_US
dc.subjectSolar thermal power generationen_US
dc.subjectThermoelectric generatorsen_US
dc.subjectThermoelectric materialen_US
dc.subjectDesignen_US
dc.subjectElectric generatorsen_US
dc.subjectElectric power generationen_US
dc.subjectHeat enginesen_US
dc.subjectPhotovoltaic cellsen_US
dc.subjectPhotovoltaic effectsen_US
dc.subjectPower qualityen_US
dc.subjectSolar energyen_US
dc.subjectSolar equipmenten_US
dc.subjectSolar heatingen_US
dc.subjectSolar power generationen_US
dc.subjectThermoelectric equipmenten_US
dc.subjectThermoelectricityen_US
dc.subjectSolar absorbersen_US
dc.titleHigh-performance flat-panel solar thermoelectric generators with high thermal concentrationen_HK
dc.typeArticleen_HK
dc.identifier.emailFeng, HP:hpfeng@hku.hken_HK
dc.identifier.authorityFeng, HP=rp01533en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1038/nmat3013en_HK
dc.identifier.scopuseid_2-s2.0-79959500503en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79959500503&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume10en_HK
dc.identifier.issue7en_HK
dc.identifier.spage532en_HK
dc.identifier.epage538en_HK
dc.identifier.isiWOS:000291969500019-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridKraemer, D=7005436146en_HK
dc.identifier.scopusauthoridPoudel, B=8948156300en_HK
dc.identifier.scopusauthoridFeng, HP=11739019400en_HK
dc.identifier.scopusauthoridCaylor, JC=6701333372en_HK
dc.identifier.scopusauthoridYu, B=36351350900en_HK
dc.identifier.scopusauthoridYan, X=23020607700en_HK
dc.identifier.scopusauthoridMa, Y=36673511600en_HK
dc.identifier.scopusauthoridWang, X=36198884500en_HK
dc.identifier.scopusauthoridWang, D=36454345900en_HK
dc.identifier.scopusauthoridMuto, A=15035882300en_HK
dc.identifier.scopusauthoridMcEnaney, K=35386567400en_HK
dc.identifier.scopusauthoridChiesa, M=24170871700en_HK
dc.identifier.scopusauthoridRen, Z=7402408354en_HK
dc.identifier.scopusauthoridChen, G=35228853000en_HK
dc.identifier.citeulike9384093-
dc.identifier.issnl1476-1122-

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