Wide-angle planar microtracking for quasi-static microcell concentrating photovoltaics

Jared S. Price; Xing Sheng; Bram M. Meulblok; John A. Rogers; Noel C. Giebink

doi:10.1038/ncomms7223

Wide-angle planar microtracking for quasi-static microcell concentrating photovoltaics

Jared S. Price, Xing Sheng, Bram M. Meulblok, John A. Rogers^*, Noel C. Giebink

^*Corresponding author for this work

Materials Science and Engineering

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

56 Scopus citations

Abstract

Concentrating photovoltaics offer a way to lower the cost of solar power. However, the existing paradigm based on precise orientation of large-area concentrator modules towards the Sun limits their deployment to large, open land areas. Here, we explore an alternate approach using high-efficiency microcell photovoltaics embedded between a pair of plastic lenslet arrays to demonstrate quasi-static concentrating photovoltaic panels <1cm thick that accomplish full-day tracking with >200x flux concentration ratio through small (<1cm) lateral translation at fixed latitude tilt. Per unit of installed land area, cosine projection loss for fixed microtracking concentrating photovoltaic panels is ultimately offset by improved ground coverage relative to their conventional dual-axis counterparts, enabling a ~1.9x increase in daily energy output that may open up a new opportunity for compact, high-efficiency concentrating photovoltaics to be installed on rooftops and other limited-space urban environments.

Original language	English (US)
Article number	6223
Journal	Nature communications
Volume	6
DOIs	https://doi.org/10.1038/ncomms7223
State	Published - Feb 2015

ASJC Scopus subject areas

Chemistry(all)
Biochemistry, Genetics and Molecular Biology(all)
Physics and Astronomy(all)

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title = "Wide-angle planar microtracking for quasi-static microcell concentrating photovoltaics",

abstract = "Concentrating photovoltaics offer a way to lower the cost of solar power. However, the existing paradigm based on precise orientation of large-area concentrator modules towards the Sun limits their deployment to large, open land areas. Here, we explore an alternate approach using high-efficiency microcell photovoltaics embedded between a pair of plastic lenslet arrays to demonstrate quasi-static concentrating photovoltaic panels <1cm thick that accomplish full-day tracking with >200x flux concentration ratio through small (<1cm) lateral translation at fixed latitude tilt. Per unit of installed land area, cosine projection loss for fixed microtracking concentrating photovoltaic panels is ultimately offset by improved ground coverage relative to their conventional dual-axis counterparts, enabling a ~1.9x increase in daily energy output that may open up a new opportunity for compact, high-efficiency concentrating photovoltaics to be installed on rooftops and other limited-space urban environments.",

author = "Price, {Jared S.} and Xing Sheng and Meulblok, {Bram M.} and Rogers, {John A.} and Giebink, {Noel C.}",

note = "Funding Information: This work was supported in part by the Department of Energy SunShot Concentrating Solar Power programme under award number DE-EE0005798 and the DARPA Young Faculty Award. The work on microcell fabrication and cell array integration reported here was supported by the DOE {\textquoteright}Light-Material Interactions in Energy Conversion{\textquoteright} Energy Frontier Research Center under grant DE-SC0001293. Publisher Copyright: {\textcopyright} 2015 Macmillan Publishers Limited. All rights reserved.",

year = "2015",

month = feb,

doi = "10.1038/ncomms7223",

language = "English (US)",

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AU - Meulblok, Bram M.

AU - Rogers, John A.

AU - Giebink, Noel C.

N1 - Funding Information: This work was supported in part by the Department of Energy SunShot Concentrating Solar Power programme under award number DE-EE0005798 and the DARPA Young Faculty Award. The work on microcell fabrication and cell array integration reported here was supported by the DOE ’Light-Material Interactions in Energy Conversion’ Energy Frontier Research Center under grant DE-SC0001293. Publisher Copyright: © 2015 Macmillan Publishers Limited. All rights reserved.

PY - 2015/2

Y1 - 2015/2

N2 - Concentrating photovoltaics offer a way to lower the cost of solar power. However, the existing paradigm based on precise orientation of large-area concentrator modules towards the Sun limits their deployment to large, open land areas. Here, we explore an alternate approach using high-efficiency microcell photovoltaics embedded between a pair of plastic lenslet arrays to demonstrate quasi-static concentrating photovoltaic panels <1cm thick that accomplish full-day tracking with >200x flux concentration ratio through small (<1cm) lateral translation at fixed latitude tilt. Per unit of installed land area, cosine projection loss for fixed microtracking concentrating photovoltaic panels is ultimately offset by improved ground coverage relative to their conventional dual-axis counterparts, enabling a ~1.9x increase in daily energy output that may open up a new opportunity for compact, high-efficiency concentrating photovoltaics to be installed on rooftops and other limited-space urban environments.

AB - Concentrating photovoltaics offer a way to lower the cost of solar power. However, the existing paradigm based on precise orientation of large-area concentrator modules towards the Sun limits their deployment to large, open land areas. Here, we explore an alternate approach using high-efficiency microcell photovoltaics embedded between a pair of plastic lenslet arrays to demonstrate quasi-static concentrating photovoltaic panels <1cm thick that accomplish full-day tracking with >200x flux concentration ratio through small (<1cm) lateral translation at fixed latitude tilt. Per unit of installed land area, cosine projection loss for fixed microtracking concentrating photovoltaic panels is ultimately offset by improved ground coverage relative to their conventional dual-axis counterparts, enabling a ~1.9x increase in daily energy output that may open up a new opportunity for compact, high-efficiency concentrating photovoltaics to be installed on rooftops and other limited-space urban environments.

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Wide-angle planar microtracking for quasi-static microcell concentrating photovoltaics

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