|
Descripción
|
|
|---|---|
| This paperpresentsadetailedbalanceanalysisofasolarthermophotovoltaicsystemcomprisingan opticalconcentrator,acut-offbroadbandabsorberandemitter,andsinglejunctionphotovoltaiccells workingattheradiativelimitwithanintegratedback-sidereflectorinaconfigurationinwhichthecells enclosetheemittertoformanopticalcavity.Theanalysisincludestheeffectofmultiplevariableson the systemperformance(efficiencyandelectricalpowerdensity),suchastheconcentrationfactor,the emitter-to-absorberarearatio,theabsorberandemittercut-offenergies,thesemiconductorband-gap energy andthevoltageofthecells.Furthermore,theeffectofopticallosseswithinthecavitysuchas those attributedtoaback-sidereflectorwithreflectivitylowerthanoneortoasemi-openopticalcavity is alsoincluded.Oneofourmainconclusionsisthatforaplanarsystemconfiguration(theemitter,the cells andtheabsorberhavethesamearea)thecombinationoflowconcentrationandaspectrally selectiveabsorberprovidesthehighestsystemefficiencies.Theefficiencylimitofthiskindofsystemsis 45.3%, whichexceedstheShockley?Queisserlimitof40.8%(obtainedforasinglejunctionsolarcell, directlyilluminatedbythesun,workingundermaximumconcentrationandwithanoptimized band-gap). Thissystemalsohasthegreatbenefitofrequiringaverylowconcentrationfactorof4.4suns. | |
|
Internacional
|
Si |
|
JCR del ISI
|
Si |
|
Título de la revista
|
Solar Energy Materials and Solar Cells |
|
ISSN
|
0927-0248 |
|
Factor de impacto JCR
|
4,542 |
|
Información de impacto
|
|
|
Volumen
|
|
|
DOI
|
|
|
Número de revista
|
|
|
Desde la página
|
2137 |
|
Hasta la página
|
2147 |
|
Mes
|
SIN MES |
|
Ranking
|
|