Fraunhofer-Institut für Keramische Technologien und Systeme IKTS

Hall map

Energy Storage Europe 2019 hall map (Hall 8b): stand B44

Fairground map

Energy Storage Europe 2019 fairground map: Hall 8b

Our range of products

Product categories

  • 02  Electrochemical Energy Storage
  • 02.01  Batteries
  • 02.01.05  Other Battery Technologies

Our products

Product category: Other Battery Technologies

Electrochemical characterization

Electrochemical materials characterization forms the basis for achieving a comprehensive understanding of the electrochemical processes taking place inside a lithium-ion battery. Fraunhofer IKTS has an broad repertoire of electrochemical methods and supplementary measurement procedures for determining the capacity, cycling stability, cell voltage, and impedance of electrode materials for batteries.

One main focus of development work at Fraunhofer IKTS is on methods for complementary measurements during operation. Electrochemical investigations are coupled with spectroscopic, gravimetric, or temperature measurement methods in order to gain detailed information about the processes taking place during charging and discharging of the storage materials.

It is precisely these complementary investigations that allow to establish correlations between the electrochemical behavior of the materials and the material properties of the individual battery components. With a detailed understanding of kinetic and thermodynamic processes as a function of charge state, cycle number, and temperature, it is possible to identify concrete optimization routes. This in turn opens numerous possibilities for targeted materials development and design optimization.

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Product category: Other Battery Technologies

Cell performance and service life

Developed materials and technologies can be suitably evaluated via characterization of the cell performance (performance data) and the service life (cycle life and calendar life) of laboratory battery cells. The information gained can also be applied towards evaluation or comparison of performance and applicability of various cell types in connection with post-mortem analyses or for determination of simulation parameters. Fraunhofer IKTS conducts targeted performance tests to investigate the charging and discharging behavior under fluctuating temperatures and to optimize the internal cell resistance.

Lifetime testing is performed with a wide range of defined load cycles in conjunction with aging tests at different temperatures. This yields information on cycling stability as well as long-term stability of the batteries.

Modern battery test stands at Fraunhofer IKTS enable testing and characterization of complete cells up to a capacity of 40 Ah by means of current/voltage measurements and impedance spectroscopy as well as application-specific load cycles.

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Product category: Other Battery Technologies

Post-mortem-analysis of battery cells

In the so-called post-mortem analysis, exhausted or defective battery cells are opened carefully in a protective atmosphere and investigated with respect to aging effects, degradation, and failure mechanisms.

This allows the effects of developed materials and technologies or specific operating conditions on aging to be researched. Samples can also be taken in a protective atmosphere for subsequent analytical structural characterization. By means of these samples, the individual electrodes can also be assembled to form button cells and special electrochemical characterization can be performed, e.g., for determination of the lithium loss in the storage material.

Another main application field for post-mortem analysis is investigation of failure mechanisms in defective cells. Manufacturing defects and causes of battery failure can be analyzed on behalf of customers. Information about interactions between cell design, system integration, and operating mode can be derived and thermal battery management optimized.

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About us

Company details

Company details
The Fraunhofer IKTS in Profile

The Fraunhofer Institute for Ceramic Technologies and Systems IKTS conducts applied research on high-performance ceramics. The institute‘s three sites in Dresden and Hermsdorf (Thuringia), Germany, collectively represent Europe‘s largest R&D institute dedicated to the study of ceramics.

As a research and technology service provider, the Fraunhofer IKTS develops advanced high-performance ceramic materials, industrial manufacturing processes as well as prototype components and systems in complete production lines up to the pilot-plant scale. In addition, the research portfolio also includes materials diagnostics and testing. The test procedures in the fields of acoustics, electromagnetics, optics and microscopy contribute substantially to the quality assurance of products and plants.

The institute operates in eight market-oriented business divisions in order to demonstrate and qualify ceramic technologies and components as well as non-destructive testing methods for new industries, product concepts and markets within and beyond the established fields of application. Industries addressed include ceramic Materials and Processes, Mechanical and Automotive Engineering, Electronics and Microsystems, Energy, Environmental and Process Engineering, Bio- and Medical Technology, Optics as well as Materials and Process Analysis.

Among our unique areas of expertise, we offer:

End-to-end production lines: from starting materials to prototypes
For any class of ceramic materials, we have access to all the standard processes of raw materials preparation, forming, heat treatment and finish processing. Where it makes sense, the institute can even conduct phase synthesis. In functional ceramics, we hold a particular core competency in paste and film technology. Multiple clean rooms and low-contamination production areas are kept at the ready, among other things, for multilayer ceramics and highly purified oxide ceramics lines of technology.

Multi-scale development
Fraunhofer IKTS can convert developments from the lab into the technical standard. There is industrially suited equipment and machinery of the latest designs available for all relevant lines of technology, in order for partners and customers to realize the prototypes and pilot-production series needed for market launch, to develop production processes, and to implement quality processes. Thus, residual cost risks and time to market can be minimized.

Synergies between materials and technologies
The combination of differing technology platforms, of functional and structural ceramics for example, allows for multifunctional components and systems that intelligently exploit ceramic properties. This enables the production of innovative products with markedly added value at low cost.

Competent analysis and quality assessment
High-performance analysis and quality control are a decisive factor for market acceptance of products, especially in ceramic production processes. Since we understand materials as well as ceramic production processes at a fundamental level, while at the same time master the drafting and integration of complex physical testing systems, we can offer our customers unique solutions for materials issues in production and quality monitoring.

Network creator
We are currently associated with over 450 national and international partners in our ongoing projects. In addition, Fraunhofer IKTS is active in numerous alliances and networks. Within the Fraunhofer-Gesellschaft, for example, we work with the Fraunhofer Group for Materials and Components. Furthermore, Fraunhofer IKTS serves as the spokesperson for the Fraunhofer AdvanCer Alliance, which consists of four institutes that specialize specifically in ceramics. We are in a position to support the development of networks that are needed to develop successful processes, and also to convey and to integrate expertise that goes beyond our own abilities. Our efforts on the front lines of research are based on a wealth of experience and knowledge acquired over many years, which is geared toward our partners´ interests.

Standardized management for sustainable quality assurance
Quality, traceability, transparency and sustainability: to us, these are our most important tools for setting ourselves apart from the competition. The IKTS therefore administers a standardized management system per DIN EN ISO 9001, as well as an environmental management system in accordance with DIN EN ISO 14001. Furthermore, each site of the institute is certified according to additional guidelines, including the German Medical Devices Act, and is regularly subjected to a variety of industrial audits.

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