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A modular high-voltage battery housing from POLYTEC offers stable protection and ensures increased passenger safety. POLYTEC has been shaping plastics for over 35 years. Our innovative spirit leads us to new solutions again and again. This is how we shape the future.
At POLYTEC, we already supply complex components for electrically powered vehicles - and we are working intensively on expanding our product portfolio for this vehicle category. After all, weight reduction plays at least as big a role here as it does in combustion engine models. And that is by no means all. Because the free formability of plastic and its ability to be combined with other materials enable all-in-one solutions that combine stability, fire protection, thermal insulation, crash safety and shielding from electromagnetic radiation in one module. A separate engineering stream within our POLYTEC SOLUTION FORCE, for example, deals intensively with the development and testing of complex high-voltage battery housings.
POLYTEC combines different materials and technologies for a new type of high-voltage battery housing and forms a convincing solution for electromobility in a modular concept. It is made up of five individual modules, each consisting of a composition of different parts and materials. The cell carrier, the cell cooling and the power electronics - with a view to maximum safety and functionality - are integrated between the housing tray and cover. Each module fulfils specific tasks - from encapsulation and shielding of electromagnetic radiation, cooling and ventilation to impact and fire protection.
In the event of cell failure - for example due to the mechanical impact of an accident - a sophisticated venting concept ensures targeted ventilation, particle separation and fire protection resistance to prevent further cells from igniting.
VIDEO:
High voltage, heat generation, electromagnetic radiation and fire hazard: Especially in vehicles, batteries must be stored safely and well shielded
Copyright: POLYTEC GROUP
for maximum safety in the electric vehicle
In order to select suitable materials and constructions, a series of realistic tests are carried out in-house with regard to fire resistance and ventilation. The different materials are subjected to a multi-layered testing process, starting with a Bunsen burner test, a pyro test and a venting test, and finally a consistent battery cell test. In addition, the promising materials are tested for their crash safety by means of various structural-mechanical load tests.
When selecting materials for this product, we at POLYTEC primarily rely on sheet moulding compounds (SMC) and glass mat-reinforced thermoplastics. Among other things, these offer an ideal ratio of structural-mechanical properties, weight and fire resistance. The SMC semi-finished product for this application is manufactured in our independent in-house production at the Gochsheim site. This ensures an adequate price-performance ratio and brings with it a high degree of flexibility.
PHOTOS:
Structural mechanics testing by means of drop tower and high-speed pendulum impact
Copyright: POLYTEC GROUP
with consistent environmental and climate protection
Already during the development of new products, we at POLYTEC consistently think ahead to environmental and climate protection and want to make an active contribution to the longevity and ecology of our products. Thus, when designing the battery housing, we deliberately ensured that the individual components of the housing can be easily separated and recycled at the end of their service life.
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