Tesla battery researcher Jeff Dahn’s tests hint at li-ion cells breaking the 2M-mile barrier



This past year, the electric car network ’s focus was captured once Tesla battery researcher Jeff Dahn and his group published a paper revealing that caliber lithium-ion batteries possess the capacity to last 1 million mph when used in EVs. A recent presentation from the respected battery leader has now revealed that these findings may actually be conservative, as the batteries that Dahn and his staff have been analyzing are still going strong, and are now on course to maneuver the 2-million-mile markers.

Dahn’s updated findings were discussed at a recent video conference for energy storage and sustainable technology. As stated by Dahn, the “million-mile” batteries that were known in the past year’s newspaper are now going towards 10,000 to 15,000 cycles. Considering the million-mile cells were cycled 5,000 occasions, it’s starting to become evident that the lithium-ion batteries that Dahn’s group have been testing possess the potential capability to survive 3.5 million km or over 2 million mph when employed in an electric automobile.

Dr. Jeff Dahn's latest presentation on continued testing of his lithium-ion cells is an stunner10,000 cycles at full (100%) dischargeEquates to:>2,000,000 mile EV>25 years storage along with …. $TSLA pic.twitter.com/rgJQbRU4zT

— Not_an_Analyst (@facts_tesla) October 18, 2020

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Remarkably, the lithium-ion cells that are being cycled by Dahn and his group have shown minimal degradation even in this point. With this in mind, there is apparently a great possibility that even the study’s “2-million-mile” cells are still capable of lasting even longer. Dahn notes lithium-ion batteries have reached a point where it’s becoming critical to look into the further applications of innovative battery technologies, such as vehicle-to-grid, or enormous vehicles such as airplanes and ferries.

According to the group from its 2019 newspaper, the lithium-ion batteries it will be using would be NMC532 pouch cells obtained from Li-FUN Technology at China. Even the NMC532 pouch cells are dry batteries as well, using no electrolytes. Interestingly enough, Tesla’s next-generation 4680 cells the company revealed at Battery Day additionally utilize dry battery technologies developed in the creations of Maxwell Technologies, a company the EV producer obtained.

Considering the batteries which Dahn and his staff are analyzing are just cells obtained from Li-FUN Technology in China, there is apparently a pretty good possibility that Tesla’s next-generation 4680 cells could display similar or even superior performance when they are deployed to the organization ’s fleet of vehicles and energy storage units in the coming years. If these assumptions prove accurate, then Tesla’s next-generation cells might truly be a class above whatever is used in the market nowadays. Dahn, for his part, noted that Tesla’so battery strategy is sound.

“Tesla is moving ahead in the speed of light. They are upscaling their factories, they know they need Tera Watt Hours for both energy storage and vehicles, also it’s exceptionally exciting occasions,” he said.

Watch Jeff Dahn’s talk about his group ’so battery findings from the video below.

The article Tesla battery researcher Jeff Dahn’s tests hint at li-ion cells breaking the 2M-mile barrier appeared first on TESLARATI.

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