Damping layer application in design of robust battery pack for space equipment


Akbulut M., Erol H.

APPLIED ACOUSTICS, cilt.150, ss.81-88, 2019 (SCI İndekslerine Giren Dergi) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 150
  • Basım Tarihi: 2019
  • Doi Numarası: 10.1016/j.apacoust.2019.01.036
  • Dergi Adı: APPLIED ACOUSTICS
  • Sayfa Sayıları: ss.81-88

Özet

In this study, the damped vibration characteristics of a prototype Li-ion battery pack are investigated. Depending on the damping properties of the epoxy-based polymer adhesive, an attempt is made to obtain a lightweight and robust design complying with the requirements that ensure a shock and vibration resistant structure. To achieve this, a finite element model of the pack is prepared and the material parameters are specified including the damping properties of the epoxy to be employed. As a preliminary work, the damping properties of a commercial epoxy-based polymer adhesive are investigated in terms of thickness and curing parameters. In addition, the determined damping ratios are utilized for characterizing the numerical damped vibration of Li-ion batteries by a predefined prototype model. It is observed that increasing the layer thickness leads to a higher damping effect as expected. On the other hand, a monotonous augmentation of curing agent percentage does not result in a consistent rise or drop in the damping effect. (C) 2019 Elsevier Ltd. All rights reserved.