Recently, according to foreign media reports, the French company NAWA Technology is developing a supercapacitor based on nanotechnology - carbon nanotubes, its biggest feature is that in the case of ensuring the performance of electric vehicle battery power, compared to lithium-ion batteries Group weight loss 30%.
Figure1: Carbon Nanotube
It is understood that carbon nanotubes are manufactured using carbon nanotechnology and graphene nanotechnology, and in addition to being able to significantly reduce weight, they can achieve faster storage and release of electrical energy than lithium-ion batteries. Ulrik Grape, CEO of NAWA Technologies, stated that our advantage is not only lightweight, but also that the faster charge/discharge rate is one of the advantages of this new technology. A power battery equipped with carbon nanotubes can recover power from kinetic energy recovery at a higher efficiency and quickly provide it to the motor.
Figure2: Graphene
It is worth mentioning that although carbon nanotubes can provide very fast energy transmission, there is no large-capacity energy storage property. According to NAWA, the current technological route that can be considered is to integrate the battery pack with carbon nanotubes as a secondary battery into a lithium-ion power battery, and at the same time increase the charging rate, while also taking advantage of the high energy density of lithium-ion batteries. At the same time reduce the number of main battery charge and discharge, thereby extending its service life and improve endurance.
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