FLEX-G

The aim of the FLEX-G joint project from the BMWi's EnergieWendeBauen funding line is to research technologies for the production of translucent and transparent roof and facade elements with integrated optoelectronic components.

The focus is a switchable total energy transmittance (g-value). This is achieved by electrochromic components, which are built up directly on a flexible ETFE foil by roll-to-roll coating processes. ETFE is a foil material frequently used in membrane roofs of stadiums, airports or railway stations. A second project goal is the research of technologies for the direct integration of large-area flexible solar cells based on organic photovoltaics in ETFE membranes and the adaptation of these to specific membrane construction requirements.

The FLEX-G project thus makes a significant contribution to the German government's goal of reducing primary energy requirements in Germany by 50 % by 2050, both in the area of energy saving and in the area of energy generation in buildings.