Abstract
As the lightest metal material in engineering application, magnesium alloy has widely prospect. In this paper, magnesium alloy is considered to design structural parts of EV lithium ion module in order to improve energy density and enhance mileage. Finite Element Models of modules in EV pack are established separately with aluminium alloy general used in EV pack and magnesium alloy AZ31B. The procedure of impact and random vibration in ABAQUS are analysed according to GB/T31647.3-2015. Compared results show that, single module decrease 0.82Kg and the energy density increase 13.4% with the performance of impact resistance and random vibration resistance better. The feasibility and lightweight effect using magnesium alloy in EV modules industry are proven. It can provide research direction for structural lightweight, energy density increasing and mileage enhancing.
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