Design of Fiber Metal Laminate Structure for Battery Protection a) Lightweight Structure Laboratory, Faculty of Mechanical and Aerospace Engineering, Institut Teknologi Bandung (ITB), Abstract With the growing size of the electric vehicle (EV) market, the study of the battery system is paramount. Lithium-ion batteries have a high risk of flammability in the event of an accident or a collision that causes a thermal runaway event. One of the highest potential threats to EVs is ground impact from stones or projectile impingement that can hit and penetrate the battery pack. Therefore, it is necessary to develop a lightweight structure that can protect batteries in the event of dynamic impact load. The material used for the protection structure is fiber metal laminate (FML), a hybrid material consisting of thin metal layers bonded together by an intermediate composite. Evaluation of energy absorption of the protection structure and short circuit risk due to battery shortening is done using numerical simulation and experimental methods. Keywords: Lithium-ion batteries- Ground impact- Fiber metal laminate Topic: Materials and Structure |
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