NDLI: Conductive adhesive based on carbon nanotubes for solar cells interconnection

Content Provider	IEEE Xplore Digital Library
Author	Zemen, Y. Schulz, S.C. Trommler, H. Buschhorn, S.T. Bauhofer, W. Schulte, K.
Copyright Year	2012
Description	Author affiliation: SOLON Energy, Am Studio 16, 12489 Berlin, Germany (Zemen, Y.; Trommler, H.) \|\| Institute for Polymer Composites, Hamburg University of Technology (TUHH), Germany (Buschhorn, S.T.; Schulte, K.) \|\| Institute for Optical and Electronic Materials, Hamburg University of Technology (TUHH), Germany (Schulz, S.C.; Bauhofer, W.)
Abstract	The interconnection of solar cells is one of the main process steps in photovoltaic module production. Usually solar cells are connected into strings by soldering. The thermo mechanically induced stress, which is caused by high soldering temperature and different coefficients of thermal expansion, limits modules long-term reliability. The use of conductive adhesive enables the reduction of this stress significantly. Furthermore, alternative interconnection techniques for new cell and ribbon concepts are required. Conductive adhesives based on Silver (Ag) filler have been shown excellent to have performance compared to soldering. But the Ag costs have absolutely exploded in recent years. For production costs reduction and for increase in long-term reliability reasons, an alternative carbon nanotube (CNT) based conductive adhesive has been developed and investigated. This new approach has been successfully demonstrated in this study. Solar cells have been connected into modules with CNT based conductive adhesive and then compared to soldering.
Starting Page	002342
Ending Page	002346
File Size	2193262
Page Count	5
File Format	PDF
ISBN	9781467300643
ISSN	01608371
e-ISBN	9781467300667
DOI	10.1109/PVSC.2012.6318068
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Conductive adhesives Photovoltaic cells Carbon nanotubes Soldering Conductivity Contact resistance Polymers solar cell conductive adhesive carbon nanotube conductivity modules
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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