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Tesla researcher’s 1 million-mile battery cell breakthrough secures the Semi’s longevity
Tesla lead battery researcher Jeff Dahn and members of the Department of Physics and Atmospheric Science in Dalhousie University recently released a new paper that points to the development of battery cells capable of lasting over 1 million miles on the road, or 20 years if utilized in grid energy storage.
“We conclude that cells of this type should be able to power an electric vehicle for over 1.6 million kilometers (1 million miles) and last at least two decades in grid energy storage,” the team noted in their paper.
It should be noted that the cells utilized by the researchers are pouch cells as opposed to the cylindrical cells favored by Tesla for its electric vehicles. The new cells feature new chemistry, which improves energy, charge rate and more importantly, allows a larger SOC swing. These optimizations result in savings, both in weight and in cost.
The idea of a million-mile battery has been mentioned by CEO Elon Musk in the past, together with the development of a drive unit that is also capable of lasting for a million miles on the road. With such innovations in place, Tesla’s battery cells, which are already among the best in the industry, are bound to last even longer.
Used in electric vehicles and operated at temperatures controlled to 20C, the new battery cells are expected to retain 95% fractional capacity after the million-mile mark is reached. Battery cells used for energy storage, on the other hand, are expected to retain 90% fractional capacity after over 20 years of service. Commenting on Dahn’s research, Desktop Metal CEO Ric Fulop stated that the second life of these improved battery packs have the potential to change the very nature of the grid in the future.
These improvements are pretty much the perfect match for some of Tesla’s upcoming projects, particularly its all-electric truck, the Semi. The Semi was announced with a range of either 300 or 500 miles, though Elon Musk has previously hinted that the vehicle will have closer to 600 miles of range per charge instead. The vehicle has garnered warm reception from several large corporations, from UPS to PepsiCo. As such, it is certain that once the Semi gets deployed, the vehicle will be on the road constantly, putting much strain on the truck’s batteries. Having batteries that last longer will make the vehicle more attractive to potential buyers.
This is where the improvements highlighted by Dahn’s team come in. With longer-lasting batteries, the Tesla Semi could stand toe-to-toe with its diesel-powered counterparts, which typically require an engine overhaul at around the 700k to 1 million-mile mark. Together with a drivetrain that also lasts a million miles and an overall cheaper operating cost, the Tesla Semi could prove to be a competitive alternative to the tried-and-tested diesel rigs of the trucking industry.
It should be noted that Tesla’s current battery tech is likely far ahead of the cells described by Dahn and his team in their paper. Sharing such data, after all, suggests that Tesla has already developed, or at least, is working on an improved version that would allow them to have an even more considerable advantage in the battery segment. This, of course, could widen the gap between Tesla and its competitors in the electric car industry even further.
Jeff Dahn and the Dalhousie University team’s 1-million-mile battery paper could be accessed below.
J. Electrochem. Soc. 2019 Harlow A3031 44 by Simon Alvarez on Scribd
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Tesla Diner to transition to full-service restaurant as Chef heads for new venture
“I am leaving the Tesla Diner project to focus on the opening of Mish, my long-desired Jewish deli. Projects like Mish and the Tesla Diner require a sharpness of focus and attention, and my focus and attention is now squarely on Mish.”
Tesla Diner, the all-in-one Supercharging and dining experience located in Los Angeles, will transition to a full-service restaurant in January, staff said, as Chef Eric Greenspan said he would take on a new project.
A report from the Los Angeles Times says Greenspan confirmed through a text that he would leave the Diner and focus on the opening of his new Jewish deli, Mish.
Greenspan confirmed to the paper:
“I am leaving the Tesla Diner project to focus on the opening of Mish, my long-desired Jewish deli. Projects like Mish and the Tesla Diner require a sharpness of focus and attention, and my focus and attention is now squarely on Mish.”
Greenspan took on the job at the Tesla Diner and curated the menu back in March, focusing on locally-sourced ingredients and items that would play on various company products, like Cybertruck-shaped boxes that hold burgers.
Tesla Cybertruck leftovers are the main course at the Supercharger Diner
The Tesla Diner has operated as somewhat of a self-serve establishment, where Tesla owners can order directly from their vehicles through the center touchscreen. It was not exclusive to Tesla owners. Guests could also enter and order at a counter, and pick up their food, before sitting at a booth or table.
However, the report indicates Tesla is planning to push it toward a sit-down restaurant, full of waiters, waitresses, and servers, all of which will come to a table after you are seated, take your order, and serve your food.
It will be more of a full-featured restaurant experience moving forward, which is an interesting move from the company, but it also sounds as if it could be testing for an expansion.
We know that Tesla is already considering expanding locations, as it will be heading to new areas of the country. CEO Elon Musk has said that Tesla will be considering locations in Palo Alto near the company’s Engineering HQ, and in Austin, where its HQ and Gigafactory Texas are located.
Musk said that the Diner has been very successful in its first few months of operation.
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Tesla adds new surprising fee to Robotaxi program
“Additional cleaning was required for the vehicle after your trip. A fee has been added to your final cost to cover this service. Please contact us if you have any questions.”
Tesla has added a new and somewhat surprising fee to the Robotaxi program. It’s only surprising because it was never there before.
Tesla shocked everyone when it launched its Robotaxi platform and offered riders the opportunity to tip, only to tell them they do not accept tips. It was one of the company’s attempts at being humorous as it rolled out its driverless platform to people in Austin.
As it has expanded to new cities and been opened to more people, as it was yesterday to iOS users, Tesla has had to tweak some of the minor details of the Robotaxi and ride-hailing platforms it operates.
First Look at Tesla’s Robotaxi App: features, design, and more
With more riders, more vehicles, and more operational jurisdictions, the company has to adjust as things become busier.
Now, it is adjusting the platform by adding “Cleaning Fees” to the Robotaxi platform, but it seems it is only charged if the vehicle requires some additional attention after your ride.
The app will communicate with the rider with the following message (via Not a Tesla App):
“Additional cleaning was required for the vehicle after your trip. A fee has been added to your final cost to cover this service. Please contact us if you have any questions.”
The cost of the cleaning will likely depend on how severe the mess is. If you spill a soda, it will likely cost less than if you lose your lunch in the back of the car because you had a few too many drinks.
This is an expected change, and it seems to be one that is needed, especially considering Tesla is operating a small-scale ride-hailing service at the current time. As it expands to more states and cities and eventually is available everywhere, there will be more situations that will arise.
The messes in vehicles are not a new situation, especially in a rideshare setting. It will be interesting to see if Tesla will enable other fees, like ones for riders who request a ride and do not show up for it.
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Tesla Model Y sold out in China for 2025
Customers who wish to get their cars by the end of the year would likely need to get an inventory unit.
It appears that the Model Y has been sold out for 2025 in China. This seems to be true for the four variants of the vehicle that are currently offered in the country.
Tesla China’s order page update
A look at Tesla China’s order page for the Model Y shows a message informing customers that those who wish to guarantee delivery by the end of the year should purchase an inventory unit. This was despite the Model Y RWD and Model Y L showing an estimated delivery timeline of 4-8 weeks, and the Model Y Long Range RWD and Model Y Long Range AWD showing 4-13 weeks.
As per industry watchers, these updates on the Model Y’s order page suggest that Tesla China’s sales capacity for the remainder of 2025 has been sold out. The fact that estimated delivery timeframes for the Model Y Long Range RWD and AWD extend up to 13 weeks also bodes well for demand for the vehicle, especially given strong rivals like the Xiaomi YU7, which undercuts the Model Y in price.
Tesla China’s upcoming big updates
What is quite interesting is that Tesla China is still competing in the country with one hand partly tied behind its back. So far, Tesla has only been able to secure partial approval for its flagship self-driving software, FSD, in China. This has resulted in V14 not being rolled out to the country yet. Despite this, Tesla China’s “Autopilot automatic assisted driving on urban roads,” as the system is called locally, has earned positive reviews from users.
As per Elon Musk during the 2025 Annual Shareholder Meeting, however, Tesla is expecting to secure full approval for FSD in China in early 2026. “We have partial approval in China, and we hopefully will have full approval in China around February or March or so. That’s what they’ve told us,” Musk said.
Tesla Diner to transition to full-service restaurant as Chef heads for new venture
Tesla adds new surprising fee to Robotaxi program
