basically the same as filling up an ICE-powered vehicle. Right now, even the best all-electric vehicles will take up to 30 to 40 minutes to top up most of the way, as many are limited to under 300 kW of DC fast charging. Now, it appears that Polestar is closing in on the next step of battery technology: extreme fast charging .
That’s still a long time, especially when you compare that time to filling up the fuel tank of most ICE-powered vehicles, and the prevalence and reliability of gas stations. That’s whyis the holy grail of EV and battery technology at this point. If charging to gain 200 miles or more of range is the same amount of time to fill up a fuel tank, then the latest hurdle to EV ownership will vanish from the conversation just like range anxiety has.
While we have seen lab-scale batteries achieve some rather fast charging rates, nothing has yet made it to market. That’s why this news fromis a huge deal: it’s not just a lab-scale demonstrator. This is a real vehicle built with a real-world battery pack capacity.Yes, the demonstration by Polestar and StoreDot isn’t just a single cell in a lab that’s then estimated to an equivalent vehicle battery pack. Within the structure ofa battery pack with a real-world capacity of 77-kWh.
That said, it does offer a huge advantage over the typical graphite anode lithium-based cells use. Where you need six atoms of graphite to hold a single lithium atom, a single silicon atom holds four lithium atoms. This means that silicon anodes are more energy dense and can lead to physically smaller batteries and, potentially, lighter battery packs. It also means that battery packs can become cheaper.
That’s the only unfortunate part of the story. While it is a reality on this prototype, Polestar and Jens says that it’s still a little way off. "We typically have a development cycle of two to three years, so I'd say we could put this into production within that time period,” Jens said in a release from Polestar.
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