Abteilung Solarzellen
Solar Cell Physics


Atominstitut der Österreichischen Universitäten
Atomic Institute of the Austrian Universities

Development of bifunctional photovoltaic modules for building integration

EU-Project Nr. JOR3 - CT 97 - 0175

Target:

Since December 1997 we are joining a EU research project called "BIMODE" together with six European partners. The overall objective of the project is to demonstarte a number of prototypes for building integration which are aestetically pleasing by incorporating coloured solar cells in an attractive way and yet are still functional as electricity generators. An 8% module efficiency has been targeted as an acceptable level of performance in the final prototype at the end of the project in November 1999. Modules of that bifunctional kind (giving the project's name BI-MODE) differ in colour, size and surface conditions but have to be optimised for maximum energy output. Our project partners are:
 
 
BP SOLAR Ltd. Project coordinator London, United Kingdom
BAYER AG Supply of wafers Krefeld, Germany
TFM ("Teulades i Facades Multifuncionales") Production of modules Barcelona, Spain
Universidad Politecnica de Madrid Theoretical simulations Madrid, Spain
Kunsthochschule für Medien Aestetic design Cologne, Germany
Ove Arup Consulting Archtects consulting Newcastle, United Kingdom
 

Our duty in the BIMODE project is to make designs and to produce innovative patterns for screen printing. These patters have to be on the one hand aestetically pleasing and attractive to look at and on the other hand a high efficiency power generator. The aestetic design is the responsibility of KHM in Cologn. We investigate the designs by analytically recalculating the efficiency respectively the losses of the new grids. For that purpose we developped a new software which is abel to do the calculation and evaluation of efficiency limiting factors as well as to produce the layout of the model for the photopositive for the screen printing meshes. The patterns will be printed onto the front side of silicon solar cells (monocrystalline as well as multicrystalline) by BP Solar in their production sites Sydney (AUS) and Madrid (E). After the characterisation of the solar cells the data will be sent to the Instituto de Energia Solar of the Polytechnical University of Madrid where the team of Prof. Antonio Luque does the simulations for the optimum configuration of solar cells to get the best modules. The modules are produced by TFM ("Teulades i Facades Multifuncionales") in Barcelona.

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Last changes made by M.Radike (02.12.1998).