Covestro polycarbonate blends power BMZ GmbH battery home storage

HC Plastics News:

The use and storage of renewable energy is also increasingly used in private and commercial environments: fixed battery energy storage systems based on lithium-ion battery technology have broad market prospects. BMZGmbH, the leading system supplier for lithium-ion batteries, has developed the battery home storage device, which is also sold under its own name as the EES7.0, EES9.0 and ESSX storage series. This means that the use of regenerative solar energy produced in photovoltaic systems in private and commercial applications can be more independent of day time and the location of the sun.

Covestro polycarbonate blends power BMZ GmbH battery home storage

Covestro polycarbonate blends power BMZ GmbH battery home storage

Covestro supports a variety of BMZ battery projects, including material selection, plastic compatible component design, and CAE-based component simulation to meet the requirements of the UN Battery Transport Test (UN38.3). Further services include mold flow analysis and technical injection molding support.

Costron's Jens Ufermann, who is also responsible for looking after the local BMZ GmbH, said: "Each battery project is technically demanding, which is why I am very concerned about the important contribution that Covestro's plastics can make here. Happy. Together with customers like BMZ, we are working on sustainable product and application development to capture the challenges of future battery technology."

High requirements for fixed and mobile applications

Similar to battery systems for mobile applications such as cars, buses, scooters and scooters, energy density and safety are important aspects of developing stationary battery products, as are BMZGmbH energy storage systems.

Dr. Julian Marschewski, Marketing Development Manager, Battery Packing Division, Electric Vehicles, said: "Our in-depth knowledge of the different applications of our battery systems and our years of experience in battery application materials enable us to provide our customers with technical expertise and the right products."

Polycarbonate blends with custom properties

Bayblend® (PC+ABS) blends from Covestro play an important role in both mobile and stationary battery applications, for example, by placing a single cylindrical battery cell in the 18650 or 21700 format in a battery holder. In order to achieve this, the material must have excellent mechanical properties, first of all high impact strength, but also high fluidity in order to achieve as thin a wall as possible between individual battery cells when the battery holder is manufactured by injection molding.

According to the UL94V-0 category, additional safety is provided in subsequent use by combining a flame retardant rating that meets the high flame retardant standards of the underwriter's laboratory.

a wide variety of products

The Covestro battery application portfolio is continuing to evolve. For battery holders used to hold cylindrical cells, pouch-shaped battery frames, battery covers and similar applications, focus on unfilled (Bayblend® FR3010, Bayblend® FR3040) and mineral filled (Bayblend® FR3020, Bayblend® FR3021) and Bayblend®, a glass fiber reinforced (Bayblend® FR3060EV) flame retardant product. Covestro also offers a thermally conductive polycarbonate grade from the Makrolon® TC product line to help with battery thermal management.

Editor in charge: Yao Chunlin

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