publication . Conference object . 2002

High-efficiency silicon solar cells for low-illumination applications

Stefan W. Glunz; J. Dicker; M. Esterle; Martin Hermle; Joerg Isenberg; F.J. Kamerewerd; J. Knobloch; Daniel Kray; A. Leimenstoll; F. Lutz; ...
Open Access
  • Published: 01 Jan 2002
  • Country: Germany
Abstract
At Fraunhofer ISE the fabrication of high-efficiency solar cells was extended from a laboratory scale to a small pilot-line production. Primarily, the fabricated cells are used in small high-efficiency modules integrated in prototypes of solar-powered portable electronic devices such as cellular phones, handheld computers etc. Compared to other applications of high-efficiency cells such as solar cars and planes, the illumination densities found in these mainly indoor applications are significantly below 1 sun. Thus, special care was taken to keep the cell efficiency level high even at very low illumination levels. For this reason, particularly the cell border wa...
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free text keywords: Photovoltaic system, Solar power, business.industry, business, Optoelectronics, Fabrication, Solar simulator, Materials science, Laboratory scale, Electrical engineering, Electronics, Silicon, chemistry.chemical_element, chemistry, Order of magnitude
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