Device-integrated PV module

Highly efficient solar cells supply small devices regardless of grid connection.

Solar module for building integration

Solar modules with colored encapsulation material are ideally suited as facade claddings.

Passivated Metal Wrap Through (MWT) solar cell

Solar cell with back contact and surface passivation

Modelling of electrical losses

FEM-Simulation for distribution of electrical losses in MWT cell interconnector

Module Technology

R&D Services

We offer the following research and development services:

Cell Interconnection and Encapsulation

Module Efficiency

Customized Modules and Module Integration

Metal Wrap Through (MWT)-Technology

Within the field of module technology, Fraunhofer ISE offers a comprehensive range of services for product development and materials testing. We provide support for turning innovative ideas into reliable, efficient and competitive products, as well as for improving quality and efficiency in existing module and interconnection concepts.

Our research covers the integration of high-efficiency solar cells, direct contacting of the aluminum metallization, reliable soldering processes, conductive adhesive technology, rear contact and wire interconnection, laminate-free edge-sealed solar modules and detailed analysis of cell-to-module (CTM) losses.

We are able to develop, improve and test your products to meet industrial demands our excellently equipped Fraunhofer ISE Module Technology Center.

© Photo Fraunhofer ISE

View inside the ModuleTEC with the X-ray unit and the tabber-stringer for fully automatic cell connection.

  • ModuleTEC
    The new Module Technology Center (ModuleTEC) offers widespread possibilities for developing photovoltaic module technologies. It closes the gap between laboratory development and industrial production by allowing the processing of significant quantities and formats.

Intersolar Europe

31.05. - 02.06.2017

Munich, Messe Munich

Current publications - Module Technology


YearTitle/AuthorDocument Type
2017Intermetallic compounds in solar cell interconnections: Microstructure and growth kinetics
Geipel, T.; Moeller, M.; Walter, J.; Kraft, A.; Eitner, U.
Journal Article
2016Comprehensive Study of Intermetallic Compounds in Solar Cell Interconnections Including Lead-Free, Low Melting Point Solders
Geipel, T.; Möller, M.; Kraft, A.; Eitner, U.
Conference Paper
2016The impact of ribbon properties on measured peel forces
Eitner, U.; Rendler, L.C.
Journal Article
2016Influence of Photovoltaic Module Mounting Systems on the Thermo-Mechanical Stresses in Solar Cells by FEM Modelling
Beinert, A.J.; Ebert, M.; Eitner, U.; Aktaa, J.
Conference Paper
2016Investigation of Thermomechanical Stress in Solar Cells with Multi Busbar Interconnection by Finite Element Modeling
Rendler, L.C.; Kraft, A.; Ebert, C.; Wiese, S.; Eitner, U.
Conference Paper
2016Die parasitäre Kapazität eines PV-Moduls als Ursache für einen erhöhten Ableitstrom und Indikator für den Feuchteeintrag im Verkapselungsmaterial
Berg, H.; Hsian Saw, M.; Philipp, D.
Conference Paper
2016Photovoltaic Modules: Technology and Reliability
Wirth, H.; Weiß, K.-A.; Wiesmeier, C.
2016A PVT collector concept with variable film insulation and low-emissivity coating
Lämmle, M.; Thoma, C.; Hermann, M.
Journal Article
2015Characterization of copper diffusion in silicon solar cells: 5th Workshop on Metallization of Crystalline Silicon Solar Cells 2014, Konstanz, Germany, 20.10.2014-21.10.2014
Kraft, A.; Wolf, C.; Bartsch, J.; Glatthaar, M.
Journal Article
2015Long term stability of copper front side contacts for crystalline silicon solar cells
Kraft, A.; Wolf, C.; Bartsch, J.; Glatthaar, M.; Glunz, S.
Journal Article
2015A low concentrating cell and receiver concept based on low cost silicon solar cells
Ebert, M.; Fellmeth, T.; Dörsam, T.; Clement, F.; Biro, D.; Wiesenfarth, M.; Eitner, U.
Conference Paper
2015Modelling and verification of mechanical stress induced by soldering of wires for multi busbar interconnection
Rendler, L.C.; Walter, J.; Geipel, T.; Volk, M.; Ebert, C.; Eitner, U.
Conference Paper
2015Solarenergie zur Stromerzeugung
Kiefer, K.
Book Article
2015TPedge: Qualification of a gas-filled, encapsulation-free glass-glass photovoltaic module
Mittag, M.; Haedrich, I.; Neff, T.; Hoffmann, S.; Eitner, U.; Wirth, H.
Conference Paper
2015Triangular Ribbons for Improved Module Efficiency
Mittag, M.; Beinert, A.J.; Rendler, L.C.; Ebert, M.; Eitner, U.
Conference Paper
2014Hybrid PV-thermal collector development: Concepts, experiences, results and research needs
Fortuin, S.; Hermann, M.; Stryi-Hipp, G.; Nitz, P.; Platzer, W.
Conference Paper
2014The impact of angular dependent loss measurement on PV module energy yield prediction
Ebert, M.; Stascheit, H.; Hädrich, I.; Eitner, U.
Conference Paper
2014A Low Concentration Receiver Concept for Cost Effective Crystalline Back Contact Cells
Ebert, M.; Dörsam, T.; Fellmeth, T.; Hädrich, I.; Eitner, U.; Biro, D.; Wiesenfarth, M.; Noriega, P.; Caparros, S.; Castano, F.
Conference Paper
2014The Mechanical Theory Behind the Peel Test
Eitner, U.; Rendler, L., C.
Conference Paper
2014Peel testing of ribbons on solar cells at different angles: Consistent comparison by using adhesive fracture energies
Eitner, U.; Rendler, L.C.
Conference Paper
2014Robust module integration of back contact cells by interconnection adapters
Ebert, M.; Seckel, M.; Böttcher, L.; Hendrichs, M.; Clement, F.; Dürr, I.; Biro, D.; Eitner, U.; Schneider-Ramelow, M.
Conference Paper
2014Unified methodology for determining CTM ratios: Systematic prediction of module power
Haedrich, I.; Eitner, U.; Wiese, M.; Wirth, H.
Journal Article
2013Adhesion of Al-Metallization in Ultra-Sonic Soldering on the Al-Rear Side of Solar Cells
Schmitt, P.; Eberlein, D.; Tranitz, M.; Eitner, U.; Wirth, H.; Ebert, C.
Conference Paper
2013Crystalline Silicon PV Module Technology
Wirth, H.
Book Article
2013Cure kinetics of electrically conductive adhesives for solar cell interconnection
Geipel, T.; Eitner, U.
Journal Article
2013Development of a large area reference cell based on modified C-SI-module technology
Schmitt, P.; Schmidt, T.; Tranitz, M.; Brachmann, S.
Conference Paper
2013Electrically Conductive Adhesives-An Emerging Interconnection Technology for High-Efficiency Solar Modules
Geipel, T.; Eitner, U.
Journal Article
2013Evaluation of solder resists for module integration of MWT solar cells
Walter, J.; Hendrichs, M.; Clement, F.; Tranitz, M.; Eitner, U.
Journal Article
2013HIP-MWT: Our approach for high performance ribbon based back contact MWT modules with Low CTM losses
Spribille, A.; Hendrichs, M.-S.; Thaidigsmann, B.; Clement, F.; Hädrich, I.; Wiese, M.; Kaufmann, S.; Morf, P.; Gretler, A.; Rueedy, A.; Nussbaumer, H.; Träger, A.
Conference Paper
This publication list has been generated from the publication database Fraunhofer-Publica.