The VDE Institute has taken in Offenbach am Main, a new battery and environmental testing center in operation. In more than 50 facilities here, lithium-ion batteries for electric vehicles for safety and durability testing. After the safety of electric vehicles by burning batteries moved into the focus, the new lab comes at just the right time.
The test facilities are sized so that they can also accommodate truck batteries with up to 400 kilograms, including fasteners and dimensions of 120 by 120 centimeters.
The focus is on automotive manufacturers and suppliers, but also research institutions and government agencies for a service center available. Heart of the new test center is a facility in which the battery behavior in the most serious accidents can be investigated. These include a drop tower, where hung the battery to be tested in up to ten meters and then sounds will be. During the subsequent impact on a concrete foundation resting on the simulated lamppost reaches a terminal velocity of the battery is about 50 kilometers per hour. He must, in order to pass the exam, then do not catch fire.
The test is filmed with a high speed camera and enables the VDE engineers such a detailed evaluation. In another part of the building can be pinched with defined powers batteries or be destroyed by the intrusion of a metal mandrel. In addition to further test stands, the temperature or sensitivity to dust can be checked. Mechanical stresses such as occur in the vehicle due to poor roads are simulated with a large test stand. The battery in this test forces up to 120 kN (equivalent to twelve tons) exposed to the direction of change in a split second.
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