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- Title
A New Type of High-Efficiency Bifacial Silicon Solar Cell with External Busbars and a Current-Collecting Wire Grid.
- Authors
Untila, G. G.; Kost, T. N.; Chebotareva, A. B.; Zaks, M. B.; Sitnikov, A. M.; Solodukha, O. I.
- Abstract
Results regarding bifacial silicon solar cells with external busbars are presented. The cells consist of [n+p(n)p+]Cz-Si structures with a current-collecting system of new design: a laminated grid of wire external busbars (LGWEB). A LGWEB consists of a transparent conducting oxide film deposited onto a Si structure, busbars adjacent to the Si structure, and a contact wire grid attached simultaneously to the oxide and busbars using the low-temperature lamination method. Bifacial LGWEB solar cells demonstrate record high efficiency for similar devices: 17.7%(n-Si)/17.3%(p-Si) with 74–82% bifaciality for the smooth back surface and 16.3%(n-Si)/16.4%(p-Si) with 89% bifaciality for the textured back surface. It is shown that the LGWEB technology can provide an efficiency exceeding 21%. © 2005 Pleiades Publishing, Inc.
- Subjects
SILICON; SOLAR cells; BUS conductors (Electricity); ELECTRIC wire; ELECTRICITY
- Publication
Semiconductors, 2005, Vol 39, Issue 11, p1346
- ISSN
1063-7826
- Publication type
Article
- DOI
10.1134/1.2128464