Compact Spectrum Splitting Photovoltaic Module with High Efficiency

James D. McCambridge; Myles A. Steiner; Blair L. Unger; Keith A. Emery; Eric L. Christensen; Mark W. Wanlass; Allen L. Gray; Laszlo Takacs; Roger Buelow; Timothy A. McCollum; James W. Ashmead; Greg R. Schmidt; Alex W. Haas; John R. Wilcox; James Van Meter; Jeffery L. Gray; Duncan T. Moore; Allen M. Barnett; Richard J. Schwartz

doi:10.1002/pip.1030

Compact Spectrum Splitting Photovoltaic Module with High Efficiency

James D. McCambridge, Myles A. Steiner, Blair L. Unger, Keith A. Emery, Eric L. Christensen, Mark W. Wanlass, Allen L. Gray, Laszlo Takacs, Roger Buelow, Timothy A. McCollum, James W. Ashmead, Greg R. Schmidt, Alex W. Haas, John R. Wilcox, James Van Meter, Jeffery L. Gray, Duncan T. Moore, Allen M. Barnett, Richard J. Schwartz

Chemistry and Nanoscience

Research output: Contribution to journal › Article › peer-review

93 Scopus Citations

Abstract

We have designed, fabricated, and tested a small, integrated photovoltaic module comprised of two separately-contacted, high efficiency, multijunction solar cells and non-imaging optics that both concentrate and spectrally split the incoming light. This hybrid design allows us to individually optimize the tandem cells and optical elements. The system has a measured module efficiency, including optical and packaging losses but not power combination losses, of 38.5 ± 1.9% under the AM1.5 direct terrestrial spectrum. The internal optics concentrate the light by a factor of approximately 20. We find excellent agreement between the modeled and measured performance. This is the highest confirmed conversion efficiency demonstrated for a photovoltaic module.

Original language	American English
Pages (from-to)	352-360
Number of pages	9
Journal	Progress in Photovoltaics: Research and Applications
Volume	19
Issue number	3
DOIs	https://doi.org/10.1002/pip.1030 https://doi.org/10.1002/pip.1030
State	Published - 2011

NREL Publication Number

NREL/JA-520-46758

Keywords

high efficiency
moderate concentration
multijunction
photovoltaic
spectrum splitting

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McCambridge, J. D., Steiner, M. A., Unger, B. L., Emery, K. A., Christensen, E. L., Wanlass, M. W., Gray, A. L., Takacs, L., Buelow, R., McCollum, T. A., Ashmead, J. W., Schmidt, G. R., Haas, A. W., Wilcox, J. R., Van Meter, J., Gray, J. L., Moore, D. T., Barnett, A. M., & Schwartz, R. J. (2011). Compact Spectrum Splitting Photovoltaic Module with High Efficiency. Progress in Photovoltaics: Research and Applications, 19(3), 352-360. https://doi.org/10.1002/pip.1030, https://doi.org/10.1002/pip.1030

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title = "Compact Spectrum Splitting Photovoltaic Module with High Efficiency",

abstract = "We have designed, fabricated, and tested a small, integrated photovoltaic module comprised of two separately-contacted, high efficiency, multijunction solar cells and non-imaging optics that both concentrate and spectrally split the incoming light. This hybrid design allows us to individually optimize the tandem cells and optical elements. The system has a measured module efficiency, including optical and packaging losses but not power combination losses, of 38.5 ± 1.9% under the AM1.5 direct terrestrial spectrum. The internal optics concentrate the light by a factor of approximately 20. We find excellent agreement between the modeled and measured performance. This is the highest confirmed conversion efficiency demonstrated for a photovoltaic module.",

keywords = "high efficiency, moderate concentration, multijunction, photovoltaic, spectrum splitting",

author = "McCambridge, {James D.} and Steiner, {Myles A.} and Unger, {Blair L.} and Emery, {Keith A.} and Christensen, {Eric L.} and Wanlass, {Mark W.} and Gray, {Allen L.} and Laszlo Takacs and Roger Buelow and McCollum, {Timothy A.} and Ashmead, {James W.} and Schmidt, {Greg R.} and Haas, {Alex W.} and Wilcox, {John R.} and {Van Meter}, James and Gray, {Jeffery L.} and Moore, {Duncan T.} and Barnett, {Allen M.} and Schwartz, {Richard J.}",

year = "2011",

doi = "10.1002/pip.1030",

language = "American English",

volume = "19",

pages = "352--360",

journal = "Progress in Photovoltaics: Research and Applications",

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McCambridge, JD, Steiner, MA, Unger, BL, Emery, KA, Christensen, EL, Wanlass, MW, Gray, AL, Takacs, L, Buelow, R, McCollum, TA, Ashmead, JW, Schmidt, GR, Haas, AW, Wilcox, JR, Van Meter, J, Gray, JL, Moore, DT, Barnett, AM & Schwartz, RJ 2011, 'Compact Spectrum Splitting Photovoltaic Module with High Efficiency', Progress in Photovoltaics: Research and Applications, vol. 19, no. 3, pp. 352-360. https://doi.org/10.1002/pip.1030, https://doi.org/10.1002/pip.1030

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AU - McCambridge, James D.

AU - Steiner, Myles A.

AU - Unger, Blair L.

AU - Emery, Keith A.

AU - Christensen, Eric L.

AU - Wanlass, Mark W.

AU - Gray, Allen L.

AU - Takacs, Laszlo

AU - Buelow, Roger

AU - McCollum, Timothy A.

AU - Ashmead, James W.

AU - Schmidt, Greg R.

AU - Haas, Alex W.

AU - Wilcox, John R.

AU - Van Meter, James

AU - Gray, Jeffery L.

AU - Moore, Duncan T.

AU - Barnett, Allen M.

AU - Schwartz, Richard J.

PY - 2011

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AB - We have designed, fabricated, and tested a small, integrated photovoltaic module comprised of two separately-contacted, high efficiency, multijunction solar cells and non-imaging optics that both concentrate and spectrally split the incoming light. This hybrid design allows us to individually optimize the tandem cells and optical elements. The system has a measured module efficiency, including optical and packaging losses but not power combination losses, of 38.5 ± 1.9% under the AM1.5 direct terrestrial spectrum. The internal optics concentrate the light by a factor of approximately 20. We find excellent agreement between the modeled and measured performance. This is the highest confirmed conversion efficiency demonstrated for a photovoltaic module.

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Compact Spectrum Splitting Photovoltaic Module with High Efficiency

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Keywords

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