Solliance is a partnership of R&D organizations from the Netherlands, Belgium and Germany working in thin film photovoltaic solar energy. Aiming to strengthen the EU regionâ€™s position as a world player in PV, Solliance is creating synergy by consolidating and coordinating the activities of 250 researchers in industry, at research institutes and universities.
Various state-of-the-art laboratories and pilot production lines are jointly used for dedicated research programs which are executed in close cooperation with the solar business community.
Among Solliance Research Partners are: ECN, imec, TNO, Holst Centre, TU/e, Forschungszentrum JÃ¼lich, University Hasselt and Delft University of Technology.
Solliance offers participation in its research programs and opens up its lab facilities to new entrants, either from industry or in research. On the basis of clear Intellectual Property agreements, each industrial partner can participate in this research effort, or alternatively, hire equipment and experts to further develop its own technology.
High Tech Campus 21
The latest Solliance news:
The Netherlands' province of North Brabant, the Brabant Development Agency (BOM) and TNO – partner in Solliance – have signed a cooperation agreement for perovskite solar cells and integrated solar energy products.
At the Brainport Industry Campus (BIC) in Eindhoven, TNO is working on flexible solar energy laminates that can then be processed into components for buildings, infrastructure and vehicles. The research line was devised by TNO and built by partners from the business community – including MAAN and Duflex – with financial support from the Ministry of Economic Affairs and Climate. The line of research will also play a major role in the European project MC2.0, which will start in January 2023 under the leadership of TNO and for which 20 partners from different countries will provide input. In parallel, the research program on industrialize production of perovskites, is running. The goal is to bring both studies together in mass customization based on perovskite.
Researchers from Eindhoven University of Technology, Delft University of Technology and TNO (partner in Solliance) have designed an integrated solar-assisted water-splitting system with a flow electrochemical cell and a monolithic perovskite-silicon tandem solar cell.
The team's work demonstrates how a perovskite/silicon tandem cell can be combined with a water electrolyzer system. However, the team said that there are still many steps that need to be taken before commercialization is possible. For example: upscaling the technology, addressing stability in greater detail, and use of more earth-abundant catalysts in the water-splitting reaction.
Solliance partners TNO, TU Eindhoven, imec and TU Delft have joined forces to further push the conversion efficiency of tandem solar cells to beyond the limits of today’s commercial PV modules. They have achieved an extraordinary feat: the first time that four-terminal perovskite/silicon tandem devices with certified top cell passed the barrier of 30%.
Bottom silicon solar cell and top perovskite solar cell with transparent contacts. Photo credit: Niels van Loon
Such high efficiency enables more power per square meters and less cost per kWh. The result was presented during the 8th World Conference on Photovoltaic Energy Conversion (WCPEC-8) in Milan and has been achieved by combining perovskite solar cell tech with conventional silicon solar cell technologies. The perovskite cell that features transparent contacts and is part of the tandem stack has been independently certified.
Researchers from TNO at Holst Centre, Solliance and TU/e have jointly developed a thin and flexible perovskite-based scanner for fingerprints.
Low-resolution image-sensor arrays have been demonstrated in the past, but the high-resolution, high pixel-count image sensors suitable for commercial applications have not yet been truly achieved. The thin and flexible scanner in this new work is based on metal-halide perovskites (MHPs). Gerwin Gelinck, Chief Technology Officer TNO at Holst Centre, elaborates on the new study: 'Perovskites are marvelous materials! For the first time we show that these materials are also very good for light imaging and sensing applications. When combined with display-like transistors, we made a scanner that can capture high-resolution color images as well as biometric fingerprinting'.
Solliance recently announced that a collaboration with the M2N group of RenÃ© Janssen at University of Technology Eindhoven has resulted in two world-records for 4T perovskite tandems.
The partners reported that they further optimized the wide-bandgap (1.69eV) perovskite cells with high near-infrared transparency for 4T tandem applications. The perovskite cell has reached a stabilized efficiency of 17.8% during 5-min maximum-power-point tracking. In combination with the Panasonic silicon bottom cell, a new world-record 4T perovskite/Si tandem efficiency of 29.2% was realized.
Solliance partners TNO, imec/EnergyVille and the Eindhoven University of Technology, have reported a 18.6% efficient highly near infrared transparent perovskite solar cell. When combined in a four terminal tandem configuration with an efficient Panasonic crystalline silicon (c-Si) cell or with a MiasolÃ© flexible CIGS cell, the configuration delivered new record power conversion efficiencies of 28.7% and 27.0%, respectively.
The researchers explained that four terminal tandems allow to build on experience and practices already available in the industry. In addition, four terminal perovskite/c-Si tandems can be applied broadly and are, for example, very beneficial in combination with bifacial c-Si solar cells which, depending on the actual albedo, can readily achieve a total power generation density as high as 320 W/mÂ².
Solliance and U.S-based MiaSolÃ© announced a new record - power conversion efficiency of 26.5% on a tandem solar cell that combined a top rigid semi-transparent perovskite solar cell with a bottom flexible copper indium gallium selenide (CIGS) cell.
This impressive efficiency was achieved by optimizing the bandgap and the efficiency of both the rigid semi-transparent perovskite top cell and the flexible CIGS bottom cell. The CIGS was roll to roll produced on steel foil, with a power conversion efficiency of 20.0%.
Scientists from Hasselt University, imec, VITO, EnergyVille and international partners within the PERCISTAND consortium have announced that they achieved an energy efficiency of 25% with a thin-film solar cell.
Bart Vermang, coordinator within the PERCISTAND consortium, describes the development of thin-film solar cells as 'Pioneering'. The consortium, which partly consists of the collaborations within EnergyVille and Solliance, has succeeded in achieving a record energy efficiency with thin film solar cells. 'We've achieved an energy efficiency of 25 percent for the first time, which is just as much energy as a traditional solar cell can generate on a day-to-day basis. And we haven't yet reached the upper limit of our thin-film solar cells.'
In what is said to be a "major milestone toward commercialization", Solliance partners TNO, imec and the Eindhoven University of Technology demonstrated encapsulated perovskite solar modules fabricated using industrial processes that withstand three established lifetime tests, i.e. the light soak test, the damp-heat test and the thermal cycling test. It is for the first time this milestone is passed with scaled perovskite solar modules prepared by research organizations.
The efficiency and versatility of perovskite solar modules has generated a lot of interest in this novel solar energy technology. However, concerns have been raised about the stability of perovskite solar modules since the early devices, reported a decade ago, were only stable for minutes. By passing three rigorous aging tests, Solliance and its industrial partners take a major step towards commercialization of this novel solar technology.
For the purpose of decarbonizing the energy-mix, which is becoming a priority challenge for European countries among others, European universities, research institutes and industries involved in the development of perovskite technologies have agreed on the creation of a collaborative platform: the EPKI.
This initiative is dedicated to gathering all significant parties working in this field and is pursuing the following objectives:
- Raise the awareness on perovskite based photovoltaics by conveying a common vision through the editing of a common European perovskite whitepaper,
- Support and initiate next generation PV industrial initiatives,
- Facilitate joint-research programs and synergies among universities, institutes and companies.