Advanced III-V multijunction cells for space

Richard R. King, Christopher M. Fetzer, Daniel C. Law, Kenneth M. Edmondson, Hojun Yoon, Geoffrey S. Kinsey, Dimitri D. Krut, James H. Ermer, Peter Hebert, B. Terence Cavicchi, Nasser H. Karam

Research output: Chapter in Book/Report/Conference proceedingConference contribution

25 Scopus citations

Abstract

III-V solar cells have become the dominant power generation technology in space, due to their unparalleled high efficiency, reliability in the space environment, and ability to be integrated into very lightweight panels. As remarkable as these attributes are, new types of space III-V solar cells are continually reaching new heights in performance. Commercially-available multijunction solar cells with 30% conversion efficiency under the AMO space spectrum are just around the corner. Understanding of radiation resistance and thermal cycling reliability has reached levels never before attained, and is resulting in new standards of reliability. A flurry of research activity has resulted in very-thin, flexible, and extremely lightweight space solar cells and panels in several groups around the world, capable of being folded or rolled into a smaller stowage volume for launch than has been possible to date. This approach combines the very high efficiency and reliability of III-V multijunction cells with the thin, flexible PV blanket functionality normally associated only with thin-film polycrystalline or amorphous PV technology. This paper discusses the latest developments in III-V space solar cell technology, and explores opportunities for still higher performance in the future.

Original languageEnglish (US)
Title of host publicationConference Record of the 2006 IEEE 4th World Conference on Photovoltaic Energy Conversion, WCPEC-4
PublisherIEEE Computer Society
Pages1757-1762
Number of pages6
ISBN (Print)1424400163, 9781424400164
DOIs
StatePublished - Jan 1 2006
Externally publishedYes
Event2006 IEEE 4th World Conference on Photovoltaic Energy Conversion, WCPEC-4 - Waikoloa, HI, United States
Duration: May 7 2006May 12 2006

Publication series

NameConference Record of the 2006 IEEE 4th World Conference on Photovoltaic Energy Conversion, WCPEC-4
Volume2

Other

Other2006 IEEE 4th World Conference on Photovoltaic Energy Conversion, WCPEC-4
CountryUnited States
CityWaikoloa, HI
Period5/7/065/12/06

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry

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