CATL Announces New Battery With Improved Cold Weather Performance
CATL, the world’s largest battery manufacturer, announced this week that it has developed new materials for lithium-ion batteries that will dramatically improve charging efficiency for electric cars, especially in extreme cold., Wu Kai, CATL’s chief scientist, told a forum in Shanghai that the key is new electrolyte materials developed by the company. Wu did not detail how CATL had been able to achieve the improved battery performance he described.
My neighbor is aghast at the idea of charging for 8 to 10 hours, even though when we are done, we usually don’t need to charge again for a week. Trying to explain to him about Level 1, Level 2, and Level 3 charging makes his eyes roll back into his head. He just cannot understand why people would voluntarily put themselves through such an ordeal when he can go to Cumberland Farms and fill his tank in 10 minutes.
In addition to addressing cold weather performance, Wu said CATL will mass produce a battery capable of delivering 400 kilometers of driving range with a 10-minute charging time by the end of 2023. From there, the company will ratchet up its target to a charge time of 5–7 minutes for a similar range. He did not offer any technical details about these new batteries, so we don’t know if they are semi-solid state.
Wu said he was skeptical that solid-state batteries were ready for mass production and skeptical of the cost reduction claims. “What I am sure of is no one is capable of mass producing solid-state batteries in the industry currently. They claim to be able to halve the costs, which is very exciting and would be very disruptive, but I wonder what base they are comparing it to.” That seems like a valid point.
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