Fast charging time under 15 minutes

Farasis presents new battery cell variant

12. Mai 2022, 9:39 Uhr | Irina Hübner
Energiespeicherlösungen von Farasis auf Basis von Lithium-Ionen-Technologie bieten vielfältige Einsatzmöglichkeiten.
© Farasis Energy Europe

Farasis Energy is expanding its fourth generation of battery cells for e-vehicles to include an ultra-high-power variant that achieves a fast-charge time of less than 15 minutes - while maintaining a high energy density of 300 Wh/kg.

»For a long time, manufacturers focused on range when developing battery cells,« says Dr. Keith Kepler, CTO and co-founder of Farasis Energy. »The goal was to get close to the ranges of internal combustion engine vehicles. We've been able to make tremendous progress on that front in recent years.«

700 km range possible with cell generation 1

The cells of Generation 1 from Farasis currently in use have an energy density of 285 Wh/kg, making them among the best on the international market. Depending on the size of the battery, more than 700 km of range can be achieved with them.

»We are noticing, however, that in addition to the desire for more range, car manufacturers and consumers are increasingly focusing on fast charging times,« explains Dr. Stefan Bergold, General Manager at Farasis Energy Europe. »In developing our ultra-high-power variant, we have therefore brought both trends together by offering high energy density for long ranges and high power for fast-charging capability. This allows us to serve our customers' needs on both counts.«

From 10 to 80 percent charge in under 15 minutes

The ultra-high-power variant of cell generation 4 from Farasis not only features higher energy density compared to previous cell generations, but can also score points with a significant improvement in fast charging time. With this variant, the focus can be placed more on range or more on fast-charging capability, depending on customer requirements.

In less than 15 minutes, the battery can be charged from 10 to 80 percent in fast-charge mode. The time to get to an additional range of 250 kilometers by fast recharging is even less than 8 minutes.

»Drivers want to be able to quickly recharge the power for their e-car while on the road,« explains Bergold. »Our goal is therefore to enable a charging process in the future that is in no way inferior in time to the conventional refueling process of a car with an internal combustion engine. With the new ultra-high-power variant of our cell generation 4, we have come a good deal closer to achieving this goal.«

Long range and long service life

There is no need to sacrifice range with cell generation 4: With an energy density of 300 Wh/kg and 692 Wh/l, the ultra-high-power variant enables ranges of up to 700 km or more and pack weight savings of up to 30 km compared with the already very powerful Generation 1 from Farasis. Depending on battery size, even longer ranges are possible.

An additional plus of Farasis' fourth cell generation is the longevity of the batteries: They can be fully charged and discharged around 1,500 times. For a vehicle with a range of 700 km, this results in a total range of more than 1 million kilometers.

Industrial production planned from 2025

The performance of all Farasis Generation 4 cells has been confirmed in extensive tests at various customers. Farasis is now preparing for industrial production, which is planned for 2025.

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