Ongoing Research Project

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  • HoPVen

    Increasing the Resilience of Hop Growing to the Consequences of Climate Change: Investigation of the Opportunities and Risks of Agrivoltaic in Conventional Hop Growing

    Agrivoltaic system from hop farmer Josef Wimmer and AgrarEnergie GmbH in Hallertau.
    © Fraunhofer ISE

    Agrivoltaic system from hop farmer Josef Wimmer and AgrarEnergie GmbH in Hallertau.

    Hops are grown on a large scale in the Hallertau region: Almost a third of the hops produced worldwide are grown on around 17,200 hectares of Hallertau hop gardens. As a crop that remains in the same location for several years, hops are particularly exposed to climatic influences. Dry periods in July and August sometimes led to significant yield losses: in the particularly affected years of 2013, 2015 and 2018, yields were up to 40 % lower, depending on the hop variety. This is where the "HoPVen" project comes in, in which the world's first agri-PV system in hop growing is being scientifically investigated. The dual use of the land for both agriculture and energy generation through photovoltaics can increase resilience to the consequences of climate change and diversify the income streams of farms. | Duration: 11/2023 - 10/2026

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  • Semi-flexible PV module manufactured at Fraunhofer ISE with III-V tandem solar cells from AZUR SPACE Solar Power GmbH.
    © Fraunhofer ISE

    Semi-flexible PV module manufactured at Fraunhofer ISE with III-V tandem solar cells from AZUR SPACE Solar Power GmbH.

    The aim of this project is to develop cost-effective cell and module technologies based on highly efficient III-V multi-junction solar cells for markets in which high efficiency promises particular advantages, for example in electric aircraft and vehicles. | Duration: 09/2022 - 08/2025

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  • Testing laboratory for in-situ characterization of membrane electrode units for the PEM fuel cell.
    © Fraunhofer ISE

    Testing laboratory for in-situ characterization of membrane electrode units for the PEM fuel cell.

    In the “BI-FIT”project (Break-In for Fuel Cells Initializing and Testing), Fraunhofer ISE is investigating and optimizing the break-in process, i.e. the initial operation of the fuel cell. To this end, a fundamental understanding of the mechanisms involved is being obtained through scientific, robust analyses and research, and new break-in concepts are being developed so that the duration of the break-in can be reduced to a maximum of 60 minutes. The project is integrated into the “HyFab” project network, which is intended to create a knowledge base for the automotive and supplier industry in order to facilitate research into fuel cell production technologies. | Duration: 08/2022 - 07/2025

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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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  • APV Orcharding
    © Fraunhofer ISE

    The experimental setup compares five different variants.

    The agricultural sector is facing new challenges. In the wake of climate change, strategies must be developed to avoid negative impacts on harvests. Orcharding in Germany is already affected by the consequences of climate change: rising temperatures, changes in precipitation distribution and increasingly frequent extreme weather events such as hail and heavy rain. As a result, commercial fruit growers are increasingly using hail protection nets and foil roofing to prevent quality and yield losses. The project "APV-Obstbau" (Agrivoltaic Orcharding) will investigate to what extent agrivoltaics can replace these protective measures in apple cultivation, which system design makes sense for this crop and in which way the agrivoltaic system affects crop yields. | Duration: 04/2020 - 03/2025

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  • CCM production with hydrocarbon materials
    © Fraunhofer ISE

    The project is investigating the production of catalyst coated membranes (CCM) with hydrocarbon-based materials as a PFAS-free alternative.

    Currently, low-temperature PEM fuel cells, such as those used in mobility, require membranes that typically contain PFSA, a type of PFAS. The project “GIRAFFE” (Generic Investigation Regarding Alternative Fluorine-Free Electrolytes for Fuel Cells) will examine commercially available PFAS-free and low-PFAS materials, with a focus on hydrocarbon polymers. These materials are environmentally benign and could offer advantages in cost and functional merits. The aim is to evaluate the technology readiness level of these materials. | Duration: 01/2024 - 12/2027

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