Probing concentrator solar cell performance at high flux with localized irradiation

Eugene A. Katz; Jeffrey M. Gordon; Wondesen Tassew; Daniel Feuermann

doi:10.1117/12.679003

8 September 2006 Probing concentrator solar cell performance at high flux with localized irradiation

Eugene A. Katz, Jeffrey M. Gordon, Wondesen Tassew, Daniel Feuermann

Proceedings Volume 6339, High and Low Concentration for Solar Electric Applications; 63390B (2006) https://doi.org/10.1117/12.679003
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

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 R_s that stems from irregular cell metallization. In so doing, we identify current-voltage trends unique to strongly inhomogeneous illumination and to R_s losses at high flux.

Citation Download Citation

Eugene A. Katz, Jeffrey M. Gordon, Wondesen Tassew, and Daniel Feuermann "Probing concentrator solar cell performance at high flux with localized irradiation", Proc. SPIE 6339, High and Low Concentration for Solar Electric Applications, 63390B (8 September 2006); https://doi.org/10.1117/12.679003

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