Battery System for the Airplane VUT 051 RAY

Cipín, Radoslav; Kadlec, Josef; Klima, Bohumil; Hutak, Petr

doi:10.1149/04801.0217ecst

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2020

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“…The power of the electric motor is 52 kW and the plane has a total weight of 230 kg. Therefore, the batteries must have at least 227 Wh/kg energy density, which limits the applicable cell types greatly and leaves little room for additional weight carrying capability (Cipin et al, 2014). As mentioned, in the full electric models the power is solely supplied from a large capacity battery pack consisting of several small capacity cells connected in parallel and/or series.…”

Section: Introductionmentioning

confidence: 99%

Laser welding and its implementation in the assembly of battery packs in aviation

Horváth¹,

Körmöczi²,

Szörényi³

et al. 2020

IJSA

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Following an overview of conventional bonding techniques used for the assembly of battery packs of modern hybrid vehicles special attention will be paid to laser keyhole welding. The unique challenges of aviatic applications, especially joining large number of batteries in a highly reproducible manner are pinpointed. The effect of contact area on the electrical and mechanical properties of laser welded joints is investigated on a DC01 steel model structure. The results are also discussed in terms of laser scanning speed. In the optimal process parameter range joints exhibiting electrical and mechanical properties appealing for assembling hybrid aircraft battery packs can be produced with high reproducibility.

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Section: Introductionmentioning

confidence: 99%