Polyethylene Terephthalate

Polyethylene Terephthalate (PET) is used in the battery industry as it has a number of strong properties:

PropertyValueUnit
Dielectric Strength17 to 20kV/mm
Volume Resistivity1018Ohm cm
Surface Resistivity1016Ohm

References

  1. Sinuo Ren, Ali Reza Kamali, Upcycling waste polyethylene terephthalate for enhanced Na-ion storage, Journal of Energy Storage, Volume 118, 2025
  2. PET (PET-P) Technical Datasheet, Smiths