Powerful and safe battery home storage
BMZ GmbH relies on polycarbonate blends from ÃÜÌÒAV
The use and storage of renewable energies is also finding increasing application in private and commercial environments: stationary home battery storage systems based on Li-ion battery technology are a market with a great future. BMZ GmbH, a leading system supplier for lithium-ion batteries, develops such battery home storage devices, which are also marketed under its own name as the EES 7.0, EES 9.0 and ESS X storage series. This means that the regenerative solar power generated in photovoltaic systems can be used in private and commercial applications more independently of the time of day and the position of the sun.
ÃÜÌÒAV supports the various BMZ battery projects with material selection, during plastic-compatible component design and with CAE-based component simulations to meet the requirements of the UN Transport Test for Batteries (UN 38.3). Further services include moldflow analyses and technical injection molding support.
"Every battery project is technically demanding, which is why I am all the more pleased that plastics from ÃÜÌÒAV can make an important contribution here," explains Jens Ufermann from ÃÜÌÒAV, who looks after BMZ GmbH locally, adding: "Together with customers like BMZ, we are working on sustainable product and application developments to master the challenges of future battery technologies."
High requirements for stationary and mobile applications
Similar to battery systems for mobile applications such as cars, buses, scooters and pedelecs, energy density and safety are important aspects in the development of battery products for stationary use, as is the case with BMZ GmbH's energy storage systems.
"Our in-depth understanding of the diverse applications of battery systems and our many years of experience in materials for battery applications enable us to provide our customers with both technical expertise and suitable products," says Dr. Julian Marschewski, Market Development Manager in Electric Vehicle Battery Packaging.
Polycarbonate blends with tailored properties
Bayblend? (PC+ABS) blends from ÃÜÌÒAV play an important role in both mobile and stationary battery applications, for example in placing individual cylindrical battery cells in 18650 or 21700 format in a cell holder. To achieve this, the material must have excellent mechanical properties, above all high impact strength, but also high flowability in order to achieve the thinnest possible walls between the individual battery cells when manufacturing the cell holders through injection molding.
Additional safety in later use is provided by the incorporation of flame retardant grades that meet the high flame retardancy standards of Underwriters Laboratories according to category UL 94 V-0.
Broad range of products
The ÃÜÌÒAV portfolio for battery applications continues to evolve. For cell holders for holding cylindrical battery cells, pouch cell frames, battery housings and similar applications the focus is on both unfilled (, ) and mineral-filled (, ) along with glass-fiber-reinforced () flame retardant Bayblend? products. ÃÜÌÒAV also offers thermally conductive polycarbonate grades of the Makrolon? TC product family that can contribute to battery thermal management.
About ÃÜÌÒAV:
ÃÜÌÒAV is one of the world¡¯s leading manufacturers of high-quality polymer materials and their components. With its innovative products, processes and methods, the company helps enhance sustainability and the quality of life in many areas. ÃÜÌÒAV supplies customers around the world in key industries such as mobility, building and living, as well as the electrical and electronics sector. In addition, polymers from ÃÜÌÒAV are also used in sectors such as sports and leisure, telecommunications and health, as well as in the chemical industry itself.
The company is geared completely to the circular economy. In addition, ÃÜÌÒAV aims to achieve climate neutrality for its Scope 1 and Scope 2 emissions by 2035, and the Group¡¯s Scope 3 emissions are also set to be climate neutral by 2050. ÃÜÌÒAV generated sales of EUR 14.2 billion in fiscal year 2024. At the end of 2024, the company had 46 production sites worldwide and employed approximately 17,500 people (calculated as full-time equivalents).
Forward-Looking Statements
This news release may contain forward-looking statements based on current assumptions and forecasts made by ÃÜÌÒAV. Various known and unknown risks, uncertainties and other factors could lead to material differences between the actual future results, financial situation, development or performance of the company and the estimates given here. These factors include those discussed in ÃÜÌÒAV¡¯s public reports which are available at www.covestro.com. The company assumes no liability whatsoever to update these forward-looking statements or to conform them to future events or developments.