Fraunhofer Institute for Solar Energy Systems ISE
Fraunhofer Institute for Solar Energy Systems ISE

Ongoing Research Project

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  • Quaze – Optical Test Method for Determining the Quality of Battery Cells

    Development of a Self-Learning Process for Determining Quality in Battery Cell Production Based on Optical Thickness Measurement

    Photo of a measurement of the expansion of a battery cell using the optical device from Precitec Optronik.
    © Precitec Optronik GmbH

    Photo of a measurement of the expansion of a battery cell using the optical device from Precitec Optronik.

    The aim of the »Quaze« project is to detect battery defects as early as possible in the production process by means of a new testing procedure. | Duration: 04/2023 - 03/2026

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  • SAMBA – Scanning Acoustic Microscopy-based Battery Analysis

    Examination of a pouch cell using SAM (Scanning Acoustic Microscopy). The setup will be further developed and optimized in the project.
    © Fraunhofer ISE

    Examination of a pouch cell using SAM (Scanning Acoustic Microscopy). The setup will be further developed and optimized in the project.

    Inhomogeneities in battery cells have a negative impact on service life and jeopardize safe operation. Currently, there is a lack of suitable detection options in battery cell production to identify such defects reliably, quickly and cost-effectively. As part of the »SAMBA« research project, an ultrasound-based non-destructive testing method is being developed to inspect battery pouch cells for quality assurance purposes. Scanning Acoustic Microscopy (SAM) is used to generate image data that is subsequently analyzed by an automated AI-based evaluation routine. The goal of the project is to build a demonstrator for the random rapid analysis of pouch cells and test it in a real-world operational environment. | Duration: 06/2023 - 05/2026

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  • BatterieDigital_real – Pilot Project for the Fraunhofer Research Data Space

    Schematic representation of the data room, which automatically collects and processes data together with metadata and organizes it according to the FAIR principle.
    © Fraunhofer ISE/Fraunhofer IWM

    Schematic representation of the data room, which automatically collects and processes data together with metadata and organizes it according to the FAIR principle.

    The digital transformation in research opens up numerous opportunities to develop innovative, data-based offerings and new, digital business models. For the Fraunhofer-Gesellschaft, this transformation is both a challenge and an opportunity, as digitalization requires not only the development of a suitable infrastructure but also a change in work culture towards standardized data management. A consistent digitalization of research and development activities will be indispensable in the future: on the one hand, in order to meet the requirements of national and international funding institutions in dealing with data, and on the other hand, in order to be able to compete internationally. | Duration: 02/2024 - 01/2027

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  • COFFEE – Cobalt-Free Solid-State Batteries with Sulfide Electrolytes

    In the laboratory for solid-state batteries at Fraunhofer ISE, all necessary process steps from the production of electrodes to cell construction can be carried out under inert conditions in the glovebox.
    © Fraunhofer ISE

    In the laboratory for solid-state batteries at Fraunhofer ISE, all necessary process steps from the production of electrodes to cell construction can be carried out under inert conditions in the glovebox.

    Project in the Business Area: Hydrogen Technologies and Electrical Energy Storage; Topic: Battery Cell Technology; Duration: 06/2023 - 05/2025

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  • WinZIB2 – Globally Applicable, Innovative Zinc Ion Battery System

    Structure of a battery system concept from the one-year concept phase of WinZIB based on a zinc-ion battery storage system.
    © StoREgio GmbH

    Structure of a battery system concept from the one-year concept phase of WinZIB based on a zinc-ion battery storage system.

    Electrical energy storage (EES) is a key element of the global energy transition. This applies to many regions in Germany as well as in the global south. In some cases, the latter have an inadequate energy supply infrastructure, but great potential for renewable power generation. Decentralized energy supply concepts based on renewable energies offer the opportunity for economic development here. EES can support by serving power grid stability in addition to the supply task. On the one hand, EESs must be sufficiently efficient under climate conditions, while at the same time being cost-effective and safe. Lithium-ion EES appear less suitable for this purpose, so alternative battery technologies are needed. | Duration: 02/2023 - 01/2026

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  • Q-Real- Reactive Power Management in Real Application

    Network Planning, Network Operation and Reactive Power Sources for Transmission and Distribution Networks

    PV power plant with substation.
    © Fraunhofer ISE

    PV power plant with substation.

    Project in the Business Area: Power Electronics, Grids and Smart Systems; Research Topic: Power Electronics and Grid Integration; Duration: 01/2023 - 12/2026

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