Press Releases 2018

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  • Fraunhofer ISE’s Photovoltaic Technology Evaluation Center
    © Fraunhofer ISE/Dirk Mahler

    Opened as a research factory for solar cells twelve years ago, the Photovoltaic Technology Evaluation Center PV-TEC at Fraunhofer ISE is an important player in the piloting of crystalline silicon solar cells. The unique service center for the entire PV value chain helps to close the gap between research and industry, making it a pivotal driver of innovation transfer. After a fire badly damaged the facility last year, the PV-TEC technology platform was officially reopened on July 9, 2018, complete with brand new equipment.

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  • Press Release #18 / 2018

    Agrophotovoltaics Goes Global: from Chile to Vietnam

    20.6.2018

    APV pilot plant in Curacaví, Chile
    © Fraunhofer Chile

    Agrophotovoltaics (APV), a technology which combines the production of solar electricity and crops on the same land, has already been successfully demonstrated in pilot projects in several European countries. The Fraunhofer Institute for Solar Energy Systems ISE in cooperation with the Innovation Group “APV-Resola” have proven the feasibility of Agrophotovoltaics with a 194 kWp APV pilot system realized on a farm near Lake Constance in Germany. The project results showed that APV increases the land-use efficiency by 60 percent. “The next step is to establish a proof of concept for the APV system technology in developing and threshold countries. Due to the higher levels of solar radiation in these countries, APV can make better use of its strengths. The potential is enormous,” says Stephan Schindele, project head of Agrophotovoltaics at Fraunhofer ISE, who is now focusing on transferring the technology to other climatic zones as well as other applications.

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  • The reseachers of the Fraunhofer Institute for Solar Energy Systems ISE will be presenting their newest developments on June 20-22, 2018 at the Intersolar Europe 2018 (Hall A1.540) in Munich. The highlights include novel resource-saving printing technologies for solar wafer metallization, new examples of building-integrated photovoltaics, highly compact and efficient inverters and a broad spectrum of quality assurance instrumentation and testing services as well as an innovative battery storage system for stationary applications.

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  • 100 kVA inverter with 15 kV silicon carbide transistors
    © Fraunhofer ISE

    Researchers at the Fraunhofer Institute for Solar Energy Systems ISE developed and successfully put into operation an inverter for direct feed-in to the 10 kV medium-voltage grid. The inverter contains high-voltage silicon carbide (SiC) transistors which allow for coupling to the medium voltage grid without requiring an additional transformer. The three-phase inverter can be used to regulate reactive power as well as to actively filter undesirable harmonics in the electricity grid. Thus, it actively contributes to the stabilization of future power grids with a large share of renewables.

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  • Annual Global PV Installations by Market
    © NREL

    Global experts in solar power believe the world will reach 1 terawatt (TW) of installed solar photovoltaic (PV) capacity within the next five years. That is the opinion voiced by 95 percent of the approximately 70 authorities who gathered in Golden, Colorado, USA for the second Terawatt Workshop held by the Global Alliance of Solar Energy Research Institutes (GA-SERI). The alliance was formed in 2012 and includes the three world leading solar research institutes, the National Renewable Energy Laboratory, NREL (USA), the National Institute of Advanced Industrial Science and Technology AIST (Japan) and the Fraunhofer Institute for Solar Energy Systems ISE (Germany).

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  • In-situ filling of a printed perovskite solar cell
    © Fraunhofer ISE

    Photovoltaics (PV) is one of the key technologies of a sustainable energy supply based on renewable energy. Besides silicon-based photovoltaics, which presently dominates the market, there are other materials, such as perovskite, that also show great potential. Scientists are testing the proof of concept of these new types of solar cells. Very innovative is a new process for fabricating solar cells using sustainable and more resource-friendly methods. Hereby the number of production steps can be drastically reduced by reversing the manufacturing process. Such an in-situ concept for printed perovskite solar cells is being developed by the Fraunhofer Institute for Solar Energy Systems ISE. With a record efficiency of 12.6 %, the researchers have now reached an important milestone in the field of printed photovoltaics.

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  • Stringer using adhesive technology developed by the company teamtechnik
    © teamtechnik

    The Fraunhofer Institute for Solar Energy Systems ISE and teamtechnik, an international leader in production technology, report that it is now possible to connect high efficiency solar cells using electrically conductive adhesives in series production. The results of the joint research project »KleVer« show that the adhesive technology is ready for the market and can be used as an alternative to the widespread soft soldering interconnection technology. Due to the much lower process temperatures of this technology compared to soldering, temperature-sensitive high efficiency solar cells can be connected using adhesives in a gentle and material-saving process. In industrial production, the throughput is only slightly lower than with soldering. The reliability of the adhesive connection was confirmed in tests carried out in a climate chamber.

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  • The interplay between automation and energy technology, IT platforms and artificial intelligence is the focus of the HANNOVER MESSE 2018 being held from April 23-27, 2018. At the renowned international trade fair, the Fraunhofer Institute for Solar Energy Systems ISE presents innovations in hydrogen technology at the joint booth »Hydrogen + Fuel Cells + Batteries« (Hall 27, Booth C58). A highlight at the booth will be the presentation of the GreenTec Award 2018 in the category »Energy« on Tuesday, April 24th at 2 pm.

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  • Different design options for photovoltaic modules
    © Fraunhofer ISE

    Building-integrated photovoltaics (BIPV) places high demands on solar PV module design. The aesthetics and freedom of design are just as important as the module efficiency, and in manufacturing today, a conflict often exists between individualized sophisticated design, high module efficiency and low costs. In the BIPV-Fab project, the equipment manufacturer SCHMID and the Fraunhofer Institute for Solar Energy Systems ISE investigated possibilities for manufacturing customized modules in series production. With the newly developed production concepts, the costs of building-integrated PV modules can be reduced by 35 percent.

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  • multi-junction solar cell
    © Fraunhofer ISE

    Researchers at the Fraunhofer Institute for Solar Energy Systems ISE together with the company EV Group (EVG) have developed a new silicon-based multi-junction solar cell, which can convert exactly one-third of the incident sunlight into useful electricity. This newest result is now published in the renowned scientific magazine Nature Energy.

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