Fraunhofer Institute for Machine Instruments and Forming Expertise (IWU) and Amsted Automotive have launched an integrally designed battery housing using aluminum foam sandwich (AAS) constructions. The brand new housing options two stable aluminum sheets enclosing a core of closed-cell aluminum foam, aiming to advance electrical automobile battery pack thermal administration and structural integrity.
The AAS housing may be produced in a number of configurations. Fraunhofer IWU says choices embrace pure AAS, AAS with infiltrated part change materials, AAS with an built-in cooling construction and AAS with each a cooling construction and PCM. The core innovation is the mix of aluminum foam and part change materials, which absorbs or releases warmth by transitioning between stable and liquid states with out important temperature change, supporting environment friendly lithium-ion battery temperature management.
Fraunhofer IWU says integrating PCM inside closed-cell aluminum foam allows substantial thermal power storage or launch, which may help handle battery temperatures throughout operation or charging, a precedence for EV producers. Relying on the applying, totally different variations may be tailor-made to supply structural assist, passive thermal administration or lively cooling.
To facilitate use in high-volume manufacturing autos, researchers are additionally emphasizing price discount. “We’re more and more utilizing recycled materials to provide the aluminum foam,” stated Fraunhofer IWU researcher Dr. Thomas Hipke. “Not solely is that this considerably less expensive, nevertheless it additionally vastly reduces the CO2 footprint,” addressing each worth sensitivity and sustainability calls for from the automotive sector.
Supply: Fraunhofer IWU
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