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Proceedings Paper

Probing concentrator solar cell performance at high flux with localized irradiation
Author(s): Eugene A. Katz; Jeffrey M. Gordon; Wondesen Tassew; Daniel Feuermann
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Paper Abstract

The macroscopic parameters that characterize photovoltaic (PV) performance, including their spatial dependence, especially at high flux, are determined with extensive localized solar measurements on high-efficiency concentrator solar cells. We present two studies that explore (a) the impact of nonuniform flux distribution on PV behavior, (b) how PV parameters vary across the cell surface (of particular interest in many high-concentration optical systems) and (c) the sensitivity of PV parameters to the spatial variation of series resistance Rs that stems from irregular cell metallization. In so doing, we identify current-voltage trends unique to strongly inhomogeneous illumination and to Rs losses at high flux.

Paper Details

Date Published: 8 September 2006
PDF: 12 pages
Proc. SPIE 6339, High and Low Concentration for Solar Electric Applications, 63390B (8 September 2006); doi: 10.1117/12.679003
Show Author Affiliations
Eugene A. Katz, Ben-Gurion Univ. of the Negev (Israel)
Jeffrey M. Gordon, Ben-Gurion Univ. of the Negev (Israel)
Wondesen Tassew, Ben-Gurion Univ. of the Negev (Israel)
Daniel Feuermann, Ben-Gurion Univ. of the Negev (Israel)


Published in SPIE Proceedings Vol. 6339:
High and Low Concentration for Solar Electric Applications
Martha Symko-Davies, Editor(s)

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