Approaching efficiencies above 25% with both sides-contacted silicon solar cells

A high cell performance is one of the key drivers to reduce the levelized cost of electricity for PV. Nevertheless, the production costs of a solar cell technology have to be low, to allow a market entry. A both sides-contacted solar cell can potentially fulfill both requirements. In this work we pr...

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Bibliographic Details
Published in2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC) pp. 1 - 3
Main Authors Hermle, Martin, Feldmann, Frank, Eisenlohr, Johannes, Benick, Jan, Steinkemper, H., Richter, Armin, Lee, Benjamin, Stradins, Paul, Rohatgi, Ajeet, Glunz, Stefan W.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.06.2015
Subjects
Absorption
Heterojunctions
Passivation
Photovoltaic cells
Resistance
Silicon
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Summary:A high cell performance is one of the key drivers to reduce the levelized cost of electricity for PV. Nevertheless, the production costs of a solar cell technology have to be low, to allow a market entry. A both sides-contacted solar cell can potentially fulfill both requirements. In this work we present the latest results of our DOE FPACE project: A both sides-contacted n-type solar cell with a passivated rear contact and an efficiency of 24.9 %. Furthermore, we present preliminary results for the next solar cell improvements and the path to reach efficiencies well above 25 %.
DOI:10.1109/PVSC.2015.7356219