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Tesla’s new battery expert will do “whatever it takes” to improve battery performance

World renowned battery research Jeff Dahn will join forces with Tesla Motors on June 8. His mission is to do “whatever it takes” to improve the science behind the batteries Tesla relies on for its cars and energy storage devices.

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Battery expert Jeff Dahn inside the frunk of a red Model S

Jeff Dahn is a world renowned battery researcher who teaches at Dalhousie University in Nova Scotia. According to the university’s website, he “is recognized as one of the pioneering developers of the lithium-ion battery that is now used worldwide in laptop computers and cell-phones. Dahn’s recent work has concentrated on the application of Combinatorial Materials Science methods to battery and fuel cell materials problems. He is the author of over 500 refereed journal papers and co-inventor of 58 inventions with patents issued or filed.”

Up until know, Dahn has been working exclusively doing research for 3M and the Natural Sciences and Engineering Research Council of Canada to develop longer-lasting, lower cost lithium-ion battery cells, but his agreement ends on June 7. On June 8, he will join forces with Tesla Motors and work exclusively for it. He says his mandate is to do “whatever it takes” to improve the company’s battery performance.

Dahn is a proponent of a different form of battery chemistry than Tesla currently uses. Called lithium nickel manganese cobalt oxide, or NMC, it has lower capacity than lithium cobalt batteries but higher specific power and longer life, according to Battery University. Elon Musk has publicly ridiculed NMC chemistry. Tesla is firmly committed to lithium nickel cobalt aluminum oxide chemistry, or NCA.

Does hiring Dahn indicate that Tesla may be considering a shift in its core battery technology? Dahn told Quartz recently that his mission at Tesla is the same as every other battery researcher in the world — low cost, high energy density, and long battery life. But “whatever it takes,” an operational mantra he said he picked up in conversation with Kurt Kelty, Telsa’s battery director, will be his rule. “Those are the goals, and that’s how we’re going to do it,” Dahn said. “We’re open to anything that makes sense.”

A willingness to consider all possible options is a characteristic that defines Elon Musk. It’s astonishing that Musk and Tesla would consider options that challenge the battery technology they have been committed to for years, but if that’s what it takes to keep Tesla ahead of the competition, that’s what they are prepared to do.

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Source: Quartz, Feature image via Jeff Dahn Research Group

"I write about technology and the coming zero emissions revolution."

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Tesla’s top-rated Supercharger Network becomes Stellantis’ new key EV asset

The rollout begins in North America early next year before expanding to Japan and South Korea in 2027.

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Credit: Tesla

Stellantis will adopt Tesla’s North American Charging System (NACS) across select battery-electric vehicles starting in 2026, giving customers access to more than 28,000 Tesla Superchargers across five countries. 

The rollout begins in North America early next year before expanding to Japan and South Korea in 2027, significantly boosting public fast-charging access for Jeep, Dodge, and other Stellantis brands. The move marks one of Stellantis’ largest infrastructure expansions to date.

Stellantis unlocks NACS access

Beginning in early 2026, Stellantis BEVs, including models like the Jeep Wagoneer S and Dodge Charger Daytona, will gain access to Tesla’s Supercharger network across North America. The integration will extend to Japan and South Korea in 2027, with the 2026 Jeep Recon and additional next-generation BEVs joining the list as compatibility expands. Stellantis stated that details on adapters and network onboarding for current models will be released closer to launch, as noted in a press release.

The company emphasizes that adopting NACS aligns with a broader strategy to give customers greater freedom of choice when charging, especially as infrastructure availability becomes a deciding factor for EV buyers. With access to thousands of high-speed stations, Stellantis aims to reduce range anxiety and improve long-distance travel convenience across its global portfolio.

Tesla Supercharger network proves its value

Stellantis’ move also comes as Tesla’s Supercharger system continues to earn top rankings for reliability and user experience. In the 2025 Zapmap survey, drawn from nearly 4,000 BEV drivers across the UK, Tesla Superchargers were named the Best Large EV Charging Network for the second year in a row. The study measured reliability, ease of use, and payment experience across the country’s public charging landscape.

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Tesla’s UK network now includes 1,115 open Supercharger devices at 97 public locations, representing roughly 54% of its total footprint and marking a 40% increase in public availability since late 2024. Zapmap highlighted the Supercharger network’s consistently lower pricing compared to other rapid and ultra-rapid providers, alongside its strong uptime and streamlined user experience. These performance metrics further reinforce the value of Stellantis’ decision to integrate NACS across major markets.

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Tesla FSD and Robotaxis are making people aware how bad human drivers are

These observations really show that Tesla’s focus on autonomy would result in safer roads for everyone.

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Credit: Tesla

Tesla FSD and the Robotaxi network are becoming so good in their self-driving performance, they are starting to highlight just how bad humans really are at driving. 

This could be seen in several observations from the electric vehicle community.

Robotaxis are better than Uber, actually

Tesla’s Robotaxi service is only available in Austin and the Bay Area for now, but those who have used the service have generally been appreciative of its capabilities and performance. Some Robotaxi customers have observed that the service is simply so much more affordable than Uber, and its driving is actually really good.

One veteran Tesla owner, @BLKMDL3, recently noted that the Robotaxi service has become better than Uber simply because FSD now drives better than some human drivers.  Apart from the fact that Robotaxis allow riders to easily sync their phones to the rear display, the vehicles generally provide a significantly more comfortable ride than their manually-driven counterparts from Uber.

FSD is changing the narrative, one ride at a time

It appears that FSD V14 really is something special. The update has received wide acclaim from users since it was released, and the positive reactions are still coming. This was highlighted in a recent post from Tesla owner Travis Nicolette, who shared a recent experience with FSD. As per the Tesla owner, he was quite surprised as his car was able to accomplish a U-turn in a way that exceeded human drivers.

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Yet another example of FSD’s smooth and safe driving was showcased in a recent video, which showed a safety monitor of a Bay Area Robotaxi falling asleep in the driver’s seat. In any other car, a driver falling asleep at the wheel could easily result in a grave accident, but thanks to FSD, both the safety monitor and the passengers remained safe.

These observations, if any, really show that Tesla’s focus on autonomy would result in safer roads for everyone. As per the IIHS, there were 40,901 deaths from motor vehicle crashes in the United States in 2023. The NHTSA also estimated that in 2017, 91,000 police-reported crashes involved drowsy drivers. These crashes led to an estimated 50,000 people injured and 800 deaths. FSD could lower all these tragic statistics by a notable margin.

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Tesla lands approval for Robotaxi operation in third U.S. state

On Tuesday, Tesla officially received regulatory approval from the State of Arizona, making it the third state for the company to receive approval in.

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Tesla has officially landed approval to operate its Robotaxi ride-hailing service in its third U.S. state, as it has landed a regulatory green light from the State of Arizona’s Department of Transportation.

Tesla has been working to expand to new U.S. states after launching in Texas and California earlier this year. Recently, it said it was hoping to land in Nevada, Arizona, and Florida, expanding to five new cities in those three states.

On Tuesday, Tesla officially received regulatory approval from the State of Arizona, making it the third state for the company to receive approval in:

Tesla has also been working on approvals in Nevada and Florida, and it has also had Robotaxi test mules spotted in Pennsylvania.

The interesting thing about the Arizona approval is the fact that Tesla has not received an approval for any specific city; it appears that it can operate statewide. However, early on, Tesla will likely confine its operation to just one or two cities to keep things safe and controlled.

Over the past few months, Robotaxi mules have been spotted in portions of Phoenix and surrounding cities, such as Scottsdale, as the company has been attempting to cross off all the regulatory Ts that it is confronted with as it attempts to expand the ride-hailing service.

It appears the company will be operating it similarly to how it does in Texas, which differs from its California program. In Austin, there is no Safety Monitor in the driver’s seat, unless the route requires freeway travel. In California, there is always a Safety Monitor in the driver’s seat. However, this is unconfirmed.

Earlier today, Tesla enabled its Robotaxi app to be utilized for ride-hailing for anyone using the iOS platform.

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