9-minute recharging allows the electric car to run 100 miles Fisker's black technology
Legendary car designer Henrik Fisker announced recently that its latest electric sports car FiskerEMotion will debut at CES2018 in January, with a range of 400 miles (about 643 kilometers), this car is considered to be Fisker Karma's "spiritual sequel."
Henrik Fisker is the designer of the BMWZ8 and Aston Martin DB9. It was the first electric car he showed to the outside world after he restarted the Fisker brand. Fisker said that EMotion will showcase some of the new automotive technologies, including a new high-capacity battery pack and a charging technology called UltraCharger, to achieve 9-minute charging. Fisker also promised that they will launch the first electric car with more than 400 miles of battery life through new graphene hybrid supercapacitor technology.
This is the “400-mile battery life†and “9-minute charging†used by many media in Fisker’s report. It now appears that this is just as shocking as the “charging 5-minute call 2 hours†in the mobile phone. Because of this comparison, Tesla's high-performance model, ModelS, has a maximum capacity of 315 miles. According to the official website's charging estimate, SuperChargers can recover 170 miles of cruising range within 30 minutes.
According to Fisker, they hope to carry a new high-capacity battery pack that will use graphene materials. If it is used in lithium-ion batteries, it can significantly increase the speed of charge and discharge of lithium-ion batteries, enabling battery technology. A huge breakthrough will promote the leap-forward development of new energy industries. Did Fisker eventually do it?
True or False "400-mile battery life"
EMotion's proudest 400-mile battery life is based on their idea of ​​graphene hybrid supercapacitor technology, but all this is assumed. According to the latest news, traditional lithium batteries will be used in at least the first generation of EMotion. The car will not show solid-state graphene battery technology that he once promised, but the specifications of EMotion in official propaganda have not changed.
FiskerEMotion will use lithium batteries provided by LGChem. According to Fisker, changes from graphene to cylindrical lithium batteries will not affect the performance of the Emotion. The car will still be rated for 400 miles.
At present, if you want to achieve "400 miles of life," it is not difficult, first of all need a battery pack about 120-130 kWh, the latest Tesla ModelS and ModelXP100D are 100 kWh, which means that Fisker must be The current highest capacity lithium battery pack is based on a 20%-30% increase in capacity.
Considering that EMotion will not plan to produce until 2019, it is not impossible for the battery's energy density to increase by 10%-20% within two years. Companies like LucidMotors already have similar plans. At the end of last year, LucidMotors announced that it has partnered with Samsung SDI to supply lithium batteries for its electric cars and said that it will have a battery pack version that lasts more than 400 miles. The two companies stated that they are already working on the next generation of cylindrical battery cells that can surpass existing batteries in terms of energy density, power, longevity, and safety while being able to withstand frequent fast charging.
In fact, the idea of ​​using Emotion's graphene-based hybrid supercapacitor technology to achieve 400 miles of battery life is not unattainable, but it also needs to consider factors such as the reliability of new technologies, and mass production.
How much can "9 minutes" be filled?
Now that fuel cars are refueling, if they do not line up, it will take only a few minutes. This experience is very difficult for electric cars. At present, the battery life problem is mainly solved by rapid charging. However, due to the limitation of traditional lithium batteries, the fast charging technology can only increase the charging efficiency by increasing the current or voltage.
In addition to battery life, the 9-minute charging technology used in EMotion’s promotion has also caused widespread discussion. Many people interpret it as "charging nine minutes and driving 400 miles." This is actually a misreading. After checking, we found that this may be influenced by Henrik Fisker's statement on social media.
In the actual press release, Fisker stated that "there is a patent for the battery pack and the cooling system. Through Fisker's proprietary "UltraCharger System", it can charge 100 miles in 9 minutes."
This means that EMotion can charge approximately 1/4 of the electricity in 9 minutes.
It is not known whether Ultracharger technology is only applicable to graphene batteries. However, if the idea of ​​high-capacity battery packs is realized, it means that 30 kilowatt-hours of electricity will be added within 9 minutes, but 200 kilowatts of electrical power will be taken within a few minutes. This is still not realistic.
Currently, there are very few charging stations that can support such high power. Although there are relevant research and development plans, it is certain that at least Fisker has not provided a charging station that can support the new EMotion.
EMotion also expects to have a lidar capable of achieving L4 level autopilot, but Fisker said the technology is still in development. It is not certain whether it can be launched together with other models in 2019. Despite this, EMotion seems to be ready to compete with other companies' cars.
Fisker's first high-end EMotion positioning, the price of 129,000 US dollars, against the ModelS. According to Wall Street reports, Fisker’s entry-level models are also under development. The competition is Model 3, which starts at $35,000.
EMotion has accepted the booking from the user for a predetermined price of $2,000, but delivery will wait until 2019. At that time, there will be a lot of car brands launching special electric vehicles in the field of luxury cars.
Whether it is "400 miles of battery life" or "100 minutes of charging in 9 minutes," it is a revolutionary change to the current electric vehicle technology, but all this must be based on the realization of the new graphene battery technology. For a model that will be produced only two years later, we should have more patience and less suspicion.
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