Publications

Skip Navigation Links.
Recently Published
Expand per documenttypeper documenttype
Collapse per Unitper Unit
Expand Business DevelopmentBusiness Development
Expand Biomass & Energy EfficiencyBiomass & Energy Efficiency
Expand Policy StudiesPolicy Studies
Expand Corporate CommunicationsCorporate Communications
Expand CorporateCorporate
Expand Environment & Energy EngineeringEnvironment & Energy Engineering
Expand Program DevelopmentProgram Development
Expand Quality Safety Health and EnvironmentQuality Safety Health and Environment
Expand Strategy & PlanningStrategy & Planning
Expand Wind EnergyWind Energy
Collapse Solar EnergySolar Energy
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
2000
1999
1998
1997
Expand per Clusterper Cluster

Search for publications:


Limit search to the fields

ECN publication
Title:
Ultrasonic welding; a connection technology for flexible thin film modules
 
Author(s):
Wienke-Ullrich, J.A.; Buur, P.N.A.J.; Brieko, M.W.; Tober, O.
 
Published by: Publication date:
ECN Solar Energy 1-6-2004
 
ECN report number: Document type:
ECN-RX--04-058 Conference Paper
 
Number of pages: Full text:
3 Download PDF  

Presented at: 19th European Photovoltaic Solar Energy Conference and Exhibition, Paris, France, 7-11 juni 2004.

Abstract:

Commercial ultrasonic welding equipment has been modified in such a way that it is applicable to flexible foils. Individual welding parameters, such as force, time and amplitude are optimised for the electrical connection of CISCuT (CuInS2 on Cu-Tapes) solar cells. By fine-tuning the ultrasonic welding force, we succeeded in making stable and reproducible connection between aluminium tape and the front contact respectively the copper back contact. As busbar material aluminium and copper metals have been tested. Outside the welding area no material changes were observed. Ultrasonic welding and encapsulation of the foils have not influenced the solar cell performance. The measured contact resistance is very low (<4 m. on 1.5 mm2 contact area). It is possible to weld several tapes on short distances. Thermal cycling between -40°C and 80°C or 85%/85°C damp/heat exposure do not influence the electrical contact at the weld.


Back to List