Merck leads research consortium to increase efficiency of dye-sensitized solar cells
The German chemical company Merck will lead a consortium to develop high-performance cobalt-based dye-sensitized solar cells (DSSCs).
The German Federal Ministry of Education and Research (BMBF) will provide approximately 3 million euros ($4 million) for the project's organic cobalt-based low-cost printing of large area photovoltaic (COBRA) for three years.
The research project also includes 3Gsolar from Israel and Color Synthesis Technology Company (CSS) from Manchester, UK.
The project's partners will try to significantly increase the efficiency and stability of dye-sensitized solar cells. Merck claims that this will be achieved by enabling a new cobalt-based redox system in a non-volatile electrolyte battery. In addition, large-area dye-sensitized solar cells are being developed with an estimated lifetime of more than two decades.
It is expected that this technology will provide economical attractiveness for existing photovoltaic technologies.
Merck is contributing to COBRA by developing high-performance cobalt-based electrolyte solutions. Over the course of several generations, the electrolyte was tailor-made for the dye developed by CSS. The 3Gsolar subproject focuses on optimizing the structure of electrodes and dye-sensitized solar cells. Merck claims that this ensures the harmonious interaction of all materials that are activated, which is essential for the overall performance of dye-sensitized solar cells.
Dye-sensitized solar cells typically convert light of different intensities into electricity. In diffuse light and direct sunlight, electricity can be produced without affecting performance or even at high temperatures. Since the light transmittance can be flexibly adjusted, they are very suitable for building facades and can provide energy for office buildings and the like. Further applications for indoor use include mobile charging stations for small electronic devices and power supply devices for sensors (for measuring temperature, air humidity, etc.) as well as electronic wireless price displays in the wholesale and retail sectors.
The project follows the European Commission's call for cooperation in launching national research projects within the scope of the OLAE+ initiative (Organic Large Area Electronic European Cooperation R&D Fund Competition). The initiative is sponsored by German BMBF. (Translation: Li Xin)
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