Ongoing Research Project

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  • PeroLab Vacuum Processing.
    © Fraunhofer ISE

    PeroLab Vacuum Processing.

    Perovskite-silicon tandem solar cells have the potential to become the successor to the previously dominant silicon solar cell technology. To be able to transfer the developments at the lower technology maturity level (TRL 1-4) more rapidly into industrial production and thus accelerate the development of the next-generation cell technology together with the German and European photovoltaic industry, an independent technology platform for perovskite-silicon tandem technology is to be established in the Pero-Si SCALE project. This platform shall not only provide successful production technologies for cells and modules of the next generation but also an extensive characterization and analysis environment from the solar cell up to the PV power plant. | Duration: 05/2023 - 12/2024

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  • 3D model of a fabric to model the load in the printing process.
    © Fraunhofer ISE

    3D model of a fabric to model the load in the printing process.

    In the age of digitization, the question arises as to how established printing technologies such as the flatbed screen printing process can be transferred into the digital space. Key challenges such as reducing structure widths or maximizing production throughput could be handled more cost-effectively and faster with the help of a digital twin. The outlined project represents an approach to digitizing the flatbed screen printing process and includes the optimization of production parameters using CFD simulation and artificial intelligence, as well as the integration of a feedback loop for live process control and adjustment. The project consortium covers a broad range of the production chain and thus enables optimal collaboration. | Duration: 04/2023 - 03/2026

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  • Core aspects of the electricity grid optimization developed in EMIDOS.

    Core aspects of the electricity grid optimization developed in EMIDOS.

    As the backbone of the German economy, medium-sized industrial manufacturing companies are particularly affected by the challenges of the energy transition, as they are simultaneously consumers, distribution network operators and, increasingly, producers. Many companies lack the necessary energy data, personnel and know-how to cope with these new technical and energy industry requirements. The aim of the project is therefore to develop digital solutions for the optimized operation of the energy infrastructure in medium-sized industrial companies. | Duration: 01/2024 - 12/2026

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  • Heating center in the solar city of Friedrichshafen-Wiggenhausen.
    © Stadtwerke am See

    Heating center in the solar city of Friedrichshafen-Wiggenhausen.

    Small and medium-sized existing district heating networks are largely supplied by fossil gas-fired combined heat and power (CHP) plants. The upcoming transformation of the generation sites to heat pump-based systems is associated with major challenges. On the one hand, significantly lower CO2 emissions are to be generated, and on the other hand, there will be changes in the supplied heating networks due to renovation, redensification and the connection of new areas. The »TrafoWärmeNetz« project provides support here with know-how by building up and bundling technical and planning knowledge across all service phases in accordance with the Fee Structure for Architects and Engineers (HOAI) in one tool. This enables a systematic and standardized conversion process with consistent comparability of individual projects. | Duration: 01/2024 - 12/2026

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  • StABIL – Sustainable PV Power Converters

    Design, Load Analysis and Innovations for a Long Lifetime

    Testfeld im PV-Park Dürbheim.
    © Fraunhofer ISE

    Test Field in the PV Park Dürbheim.

    In the energy system of the future, which will largely be built without the synchronous generators in conventional power plants that form the grid today, grid-forming inverters will not only keep the grid stable during normal operation, but also in the event of major disruptions. There is still a need for research and development, particularly with regard to the necessary adaptation of hardware and software as well as the loads that will occur on the devices in the future. | Duration: 01/2023 - 12/2025

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  • Daylight container
    © Fraunhofer ISE

    CONTINENT facility to test thermal and visual comfort under outdoor conditions for variable facade orientations.

    The "ReAktiv" project addresses a significant improvement in the recycling process for round cells and the processing of the active materials recovered from them without producing black mass. In addition, the recycling of the active materials into new battery cells is to be demonstrated. On the other hand, a process based on the black mass from button cells is currently undergoing revision and optimization, aiming to enable the recovery of the contained lithium metal as well. Round cells, which mainly come from production waste, are first dismantled and the anodes and cathodes they contain are separated by type. Once the active materials have been removed from the electrode foils, they are cleaned and, if necessary, processed in further steps. The properties of this recycled material should be comparable to virgin material, which will be demonstrated by the construction of new cells with a recycled content and their subsequent characterization. At the same time, the knowledge gained will be transferred to a battery cell model with the help of a hybrid model, so that at the end of the project a model for recycled cells will be available as a design aid. Fraunhofer ISE is preparing an economic and ecological assessment of the new process chain. | Duration: 07/2023 - 06/2026

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  • Presentation of the functional principle of the triple-junction solar cell as well as the basic cell structure to be realized in the »RIESEN« project.
    © Fraunhofer ISE

    Presentation of the functional principle of the triple-junction solar cell as well as the basic cell structure to be realized in the »RIESEN« project.

    Project in the Business Area: Photovoltaics; Topic: Silicon Photovoltaics, Perovskite and Organic Photovoltaics​; Fields of Work: High-Efficiency Silicon Cell Fabrication and Analysis, Perovskite Silicon Tandem Photovoltaics​, Silicon Bottom Cells for Tandem Photovoltaics​; Duration: 04/2022 - 03/2025

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  • Direct and efficient sector coupling of photovoltaics and e-mobility are important for the energy and transport transition.
    © ©Juan Enrique del Barrio/Shutterstock.com

    Direct and efficient sector coupling of photovoltaics and e-mobility are important for the energy and transport transition.

    Electric vehicles are a core element of the energy transition. Besides stationary storage systems, vehicle batteries are predestined to balance load and generation in the electricity system in the short to medium term. The BiFlex-Industrie project aims to demonstrate specific use cases of bi-directional vehicles operated at commercial and indsutrial locations. The project partners want to work out business cases and the direct benefits of feed-in vehicle fleets for operators. We also want to demonstrate that they can be integrated into existing systems on a large scale and become the nucleus for fleet power plants - to optimize the operation of the company as well as the overarching electricity system.  | Duration: 10/2023 - 09/2026

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  • AGEE-Stat

    AGEE-Stat - Scientific Analyses of Specific Statistical Aspects of Renewable Energy to Support the Working Group on Renewable Energy Statistics

    Sample project for roof-top PV systems in commerce, trade and services (parking garage in Freiburg, Germany)
    © triolog-freiburg

    Sample project for roof-top PV systems in commerce, trade and services (parking garage in Freiburg, Germany).

    Project in the Business Area: Energy-Efficient Buildings, Power Electronics, Grids and Smart Systems, Topic: Heat Pumps, Energy System Analysis, Duration: 04/2019 - 06/2022

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