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Title: CPV Cell Characterization Following One-Year Exposure in Golden, Colorado: Preprint

A CPV module containing 30 III-V multijunction cells was operated on?sun for one year in Golden, Colorado. Each cell was characterized prior to and following exposure. A module power degradation of 10% was observed and found to be a result as an overall decrease in cell short circuit current and the presence of at least one shunted cell. A positive correlation between initial shunt current and an increase in shunt current following exposure was also found. Cell exfoliation was also observed and found to be coincident with the presence of water and/or charring of the cell package due to an off-sun event.
Authors:
;
Publication Date:
OSTI Identifier:
1150797
Report Number(s):
NREL/CP-5J00-62484
DOE Contract Number:
AC36-08GO28308
Resource Type:
Conference
Resource Relation:
Conference: Presented at the 10th International Conference on Concentrator Photovoltaics (CPV-10), 7-9 April 2014, Albuquerque, New Mexico
Research Org:
National Renewable Energy Laboratory (NREL), Golden, CO.
Sponsoring Org:
USDOE Office of Energy Efficiency and Renewable Energy Solar Energy Technologies Office
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY; 36 MATERIALS SCIENCE CONCENTRATOR PHOTOVOLTAIC; EXFOLIATION; EXPOSURE; RELIABILITY; Solar Energy - Photovoltaics