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Loss analysis and efficiency potential of p-type MWT-PERC solar cells

: Thaidigsmann, Benjamin; Greulich, Johannes; Lohmüller, Elmar; Schmeißer, Simon; Clement, Florian; Wolf, Andreas; Biro, Daniel; Preu, Ralf

Preprint urn:nbn:de:0011-n-2054492 (348 KByte PDF)

MD5 Fingerprint: f5f381274254d8891e1df7e6204b1520

Erstellt am: 22.6.2012

DOI: 10.1016/j.solmat.2012.04.045

	Solar energy materials and solar cells 106 (2012), S.89-94 ISSN: 0927-0248
	International Conference on Crystalline Silicon Photovoltaics (SiliconPV) <2, 2012, Leuven>

	Englisch
	Zeitschriftenaufsatz, Konferenzbeitrag, Elektronische Publikation
	Fraunhofer ISE ()
	silicon; solar cell; MWT; PERC; loss analysis; PV Produktionstechnologie und Qualitätssicherung; Silicium-Photovoltaik; Industrielle und neuartige Solarzellenstrukturen

Abstract
A loss analysis is carried out for monocrystalline large-area p-type metal wrap through passivated emitter and rear cells (MWT-PERC) with thermal SiO2/SiNx surface passivation reaching a maximum conversion efficiency of 20.6%. Analytical and numerical device modelling identifies the most important loss mechanisms and allows for a separation of the different series resistance contributions and various short circuit current loss mechanisms. Based on the extracted data, an estimation of the possible maximum conversion efficiency for p-type MWT-PERC solar cells is given.

: http://publica.fraunhofer.de/dokumente/N-205449.html