AZL Industry Consortium is working on the development of new battery casings

Electric mobility AZL Industry Consortium is working on the development of new battery casings

2024-08-02 Source: Press Release | Translated by AI 2 min Reading Time

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From the previous cooperation with a total of 79 project participants, the AZL network has defined two follow-up projects. These deal with the housing design for future cell technologies and methods for simulating loads in the event of cell failure. Both consortia, among others consisting of Audi, Magna Steyer Fahrzeugtechnik, Posco, and Syensqo can join until the kick-offs on 11.09.2024.

The AZL Industry Consortium continues its project series for the development of new battery casings for electric mobility.(Image: IM Imagery | stock.adobe.com) — The AZL Industry Consortium continues its project series for the development of new battery casings for electric mobility.
(Image: IM Imagery | stock.adobe.com)

Whether it's the passenger car, commercial vehicle, or aviation sector— electromobility plays an important role. Regardless of the material class of battery housings, thermal runaway of the cells and the associated thermal and mechanical loads pose a challenge that has a tremendous influence on material selection, construction, protective measures, and ultimately on weight, cost, and CO2 footprint. The projects "Emerging Battery Storage Technologies" and "Thermal Propagation in BEV Battery Casings" are taking on this challenge. They aim to improve the design and selection of construction methods, as well as the development process of battery housings.

Emerging Battery Storage Technologies

The first project addresses the design and requirements of battery casings and how these aspects will change in the course of future battery technologies. There are continuous new developments in the field of cell chemistry. The cell configuration and particularly the cell chemistry has a great influence on the construction of battery housings, both in terms of size and temperature management in normal operation as well as the necessary protection level in the event of disturbances, such as accidents and thermal runaway. The project will include a market and technology analysis of various cell technologies as well as the development of design concepts and cost-benefit assessments of housing concepts. Participants gain valuable insights into the competitiveness of housing designs based on steel, aluminum, plastics, and multi-material constructions.

Thermal Propagation in BEV Battery Casings

Project number two deals with the question of how the actual loads occurring in the event of thermal runaway can be more accurately predicted, thus further improving cell and housing behavior. The project is divided into three phases. The basis is an extensive analysis of the timeline, the loads, the influence of cell characteristics and suitable models in relation to thermal runaway. Subsequently, analysis methods are developed and evaluated that allow a prediction of the loads for integration into CAE analyses for component development. Finally, guidelines for the application of the method are provided.

Participation opportunities

The new projects will start on 11.09.2024. Interested companies have the opportunity until then to join the consortia. Participants can address their specific interests and thus to some extent co-steer the projects scheduled for nine months.

One of the partners that has already been confirmed is Audi. Dr. Florian Meyer, Head of Development in CAE Simulation for Body Shells, emphasizes: "We have already participated in four projects of the AZL as Joint Partner, dealing with the design of plastic housings for batteries and the development of application-oriented testing methods. In this context, we have made valuable contacts for our supply chain and deepened our understanding of the potentials of different material options. From the new projects starting, we expect valuable contributions to our advanced CAE methods, insights into the effects of new battery storage technologies and findings for the design of battery housings." (se)

Intelligent solutions for battery production. (Image:Rockwell Automation)

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