Damage and delamination modeling of multifunctional composite structural batteries

Daniel B. Perez, Ryan Karkkainen

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Structural battery composites are capable of storing and delivering electrical energy and bear structural loads. It is important to analyze the stiffness and strength of these composites, particularly in bending loading configurations. Damage of structural batteries is of particular importance in structural batteries due to the energy storage component. Two structural battery material systems were considered. The first battery cell uses copper and aluminum foils as electrodes and carbon paper as current collectors. The second material system incorporates carbon fiber fabric coated with nickel and iron through electrodeposition as the multifunctional electrodes. These stiff carbon fiber fabrics provide excellent mechanical properties. For sufficient electrical energy capacity storage for use as the chassis of a CubeSat, it was calculated that seven layers per panel would be required. Multi-layer panels consisting of seven battery layers as a core with external structural reinforcement were tested. Physical and virtual three point bend tests were completed on these material systems. Prototype Cu-Al panels were fabricated and tested in a 3 point bend test configuration until ultimate failure. The damage initiation and propagation was analyzed through qualitative and quantitative analyses. Damage morphology took the form of layer delamination and material cracking within the battery layers. Computational finite element simulations matching the mechanical testing geometry were completed to further understand the mechanism involved in the damage of these composites. Simulated Cu-Al panels showed a larger stiffness, however the progression of damage was well represented in the models. The Ni-Fe carbon fiber battery was superior in stiffness and strength. Overall, these composites show promise that these can be utilized as structural materials that store electrical energy.

Original languageEnglish (US)
Title of host publication33rd Technical Conference of the American Society for Composites 2018
PublisherDEStech Publications Inc.
Pages3290-3302
Number of pages13
ISBN (Electronic)9781510872073
StatePublished - Jan 1 2018
Event33rd Technical Conference of the American Society for Composites 2018 - Seattle, United States
Duration: Sep 24 2018Sep 27 2018

Publication series

Name33rd Technical Conference of the American Society for Composites 2018
Volume5

Conference

Conference33rd Technical Conference of the American Society for Composites 2018
CountryUnited States
CitySeattle
Period9/24/189/27/18

Fingerprint

Delamination
Carbon fibers
Stiffness
Composite materials
Structural loads
Aluminum foil
Electrodes
Mechanical testing
Chassis
Nickel
Electrodeposition
Energy storage
Copper
Reinforcement
Carbon
Iron
Mechanical properties
Geometry
carbon fiber

ASJC Scopus subject areas

  • Mechanics of Materials
  • Surfaces, Coatings and Films
  • Metals and Alloys

Cite this

Perez, D. B., & Karkkainen, R. (2018). Damage and delamination modeling of multifunctional composite structural batteries. In 33rd Technical Conference of the American Society for Composites 2018 (pp. 3290-3302). (33rd Technical Conference of the American Society for Composites 2018; Vol. 5). DEStech Publications Inc..

Damage and delamination modeling of multifunctional composite structural batteries. / Perez, Daniel B.; Karkkainen, Ryan.

33rd Technical Conference of the American Society for Composites 2018. DEStech Publications Inc., 2018. p. 3290-3302 (33rd Technical Conference of the American Society for Composites 2018; Vol. 5).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Perez, DB & Karkkainen, R 2018, Damage and delamination modeling of multifunctional composite structural batteries. in 33rd Technical Conference of the American Society for Composites 2018. 33rd Technical Conference of the American Society for Composites 2018, vol. 5, DEStech Publications Inc., pp. 3290-3302, 33rd Technical Conference of the American Society for Composites 2018, Seattle, United States, 9/24/18.
Perez DB, Karkkainen R. Damage and delamination modeling of multifunctional composite structural batteries. In 33rd Technical Conference of the American Society for Composites 2018. DEStech Publications Inc. 2018. p. 3290-3302. (33rd Technical Conference of the American Society for Composites 2018).
Perez, Daniel B. ; Karkkainen, Ryan. / Damage and delamination modeling of multifunctional composite structural batteries. 33rd Technical Conference of the American Society for Composites 2018. DEStech Publications Inc., 2018. pp. 3290-3302 (33rd Technical Conference of the American Society for Composites 2018).
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