Paraffin Nanocomposites for Heat Management of Lithium-Ion Batteries

A Computational Investigation

A. H N Shirazi, Farzad Mohebbi, M. R. Azadi Kakavand, B. He, Timon Rabczuk

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Lithium-ion (Li-ion) batteries are currently considered as vital components for advances in mobile technologies such as those in communications and transport. Nonetheless, Li-ion batteries suffer from temperature rises which sometimes lead to operational damages or may even cause fire. An appropriate solution to control the temperature changes during the operation of Li-ion batteries is to embed batteries inside a paraffin matrix to absorb and dissipate heat. In the present work, we aimed to investigate the possibility of making paraffin nanocomposites for better heat management of a Li-ion battery pack. To fulfill this aim, heat generation during a battery charging/discharging cycles was simulated using Newman's well established electrochemical pseudo-2D model. We couple this model to a 3D heat transfer model to predict the temperature evolution during the battery operation. In the later model, we considered different paraffin nanocomposites structures made by the addition of graphene, carbon nanotubes, and fullerene by assuming the same thermal conductivity for all fillers. This way, our results mainly correlate with the geometry of the fillers. Our results assess the degree of enhancement in heat dissipation of Li-ion batteries through the use of paraffin nanocomposites. Our results may be used as a guide for experimental set-ups to improve the heat management of Li-ion batteries.

Original languageEnglish
Article number2131946
JournalJournal of Nanomaterials
Volume2016
DOIs
Publication statusPublished - 2016
Externally publishedYes

Fingerprint

Paraffin
Paraffins
Nanocomposites
Fillers
Fullerenes
Charging (batteries)
Carbon Nanotubes
Graphite
Heat generation
Heat losses
Temperature
Graphene
Lithium-ion batteries
Hot Temperature
Carbon nanotubes
Thermal conductivity
Fires
Heat transfer
Geometry
Communication

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Shirazi, A. H. N., Mohebbi, F., Azadi Kakavand, M. R., He, B., & Rabczuk, T. (2016). Paraffin Nanocomposites for Heat Management of Lithium-Ion Batteries: A Computational Investigation. Journal of Nanomaterials, 2016, [2131946]. https://doi.org/10.1155/2016/2131946

Paraffin Nanocomposites for Heat Management of Lithium-Ion Batteries : A Computational Investigation. / Shirazi, A. H N; Mohebbi, Farzad; Azadi Kakavand, M. R.; He, B.; Rabczuk, Timon.

In: Journal of Nanomaterials, Vol. 2016, 2131946, 2016.

Research output: Contribution to journalArticle

Shirazi, A. H N ; Mohebbi, Farzad ; Azadi Kakavand, M. R. ; He, B. ; Rabczuk, Timon. / Paraffin Nanocomposites for Heat Management of Lithium-Ion Batteries : A Computational Investigation. In: Journal of Nanomaterials. 2016 ; Vol. 2016.
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