According to Henrik Fisker's tweet[1], Fisker EMotion is using NMC chemistry (or LiNiMnCoO2)[2], can someone with expertise to explain more in details how this type of batteries can be fast charged in 9-mins?
[1]: https://twitter.com/FiskerOfficial/status/874036698622992384
[2]: https://en.wikipedia.org/wiki/Lithium-ion_battery