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Volkswagen and others look to solid-state EV batteries for increased range

Credit: QuantumScape

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A number of automakers are looking to build future electric vehicles (EVs) with solid-state batteries, which are expected to unlock increased energy density, faster charging, and crucially, longer driving ranges. With Tesla as the outlier in that it hasn’t announced any plans to develop solid-state batteries, automakers including Volkswagen, Toyota, Honda, and many more have made investments in the sector, although products with the tech have yet to arrive.

As just one example, the U.S. startup company QuantumScape has landed partnerships with Volkswagen and at least five other automakers, saying its anode-less cell design can increase EV range from 350 miles to 400 or 500 miles (via Reuters). The figure represents a margin increase of 14 to 43 percent—though that’s down from prior estimates shared by the company of 50 to 80 percent.

Still, QuantumScape shared initial prototypes with Volkswagen in 2022, and the automaker said the solid-state battery samples could be used in an EV for up to 500,000 kilometers without any degradation. In addition, Volkswagen’s testing showed solid-state charging times to be consistent with Quantumscape’s performance data that said the battery could be charged to 80 percent in 15 minutes at room temperature.

Another example includes Toyota, which said last June that it reached a breakthrough in solid-state battery tech that it hoped would eventually let it make EVs with over 700 miles of range and charging times of just 10 minutes.

Despite this, the automaker said in November that it expects to produce more hydrogen-powered vehicles than solid-state EVs in 2030, highlighting the company’s continued focus on developing hydrogen fuel cell technology.

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Honda is looking to add a test production line for solid-state batteries as soon as 2024, and the automaker expects to debut EVs with them by the latter part of this decade. In addition, the company invested in SES AI, with which the company hopes to jointly develop solid-state EV batteries.

Nissan also plans to debut an EV with pure solid-state batteries, which the automaker hopes to develop in-house and debut in EVs by 2028.

The list of companies investing in solid-state tech goes on, and it includes several automakers and suppliers such as Nio, BMW, CATL, U.S. startup Solid Power, LG Energy Solution, SK On, and still many more.

However, even with the many investments and support from several automakers looking to make EVs more efficient, it appears that any solid-state EVs are still years away.

Updated 1/20/24: Second and third paragraphs re-worded for accuracy.

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StoreDot unveils integration of 100in5 battery cells into EVs for extreme fast charging

What are your thoughts? Let me know at zach@teslarati.com, find me on X at @zacharyvisconti, or send your tips to us at tips@teslarati.com.

Zach is a renewable energy reporter who has been covering electric vehicles since 2020. He grew up in Fremont, California, and he currently lives in Colorado. His work has appeared in the Chicago Tribune, KRON4 San Francisco, FOX31 Denver, InsideEVs, CleanTechnica, and many other publications. When he isn't covering Tesla or other EV companies, you can find him writing and performing music, drinking a good cup of coffee, or hanging out with his cats, Banks and Freddie. Reach out at zach@teslarati.com, find him on X at @zacharyvisconti, or send us tips at tips@teslarati.com.

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Tesla FSD’s newest model is coming, and it sounds like ‘the last big piece of the puzzle’

“There’s a model that’s an order of magnitude larger that will be deployed in January or February 2026.”

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Credit: Tesla

Tesla Full Self-Driving’s newest model is coming very soon, and from what it sounds like, it could be “the last big piece of the puzzle,” as CEO Elon Musk said in late November.

During the xAI Hackathon on Tuesday, Musk was available for a Q&A session, where he revealed some details about Robotaxi and Tesla’s plans for removing Robotaxi Safety Monitors, and some information on a future FSD model.

While he said Full Self-Driving’s unsupervised capability is “pretty much solved,” and confirmed it will remove Safety Monitors in the next three weeks, questions about the company’s ability to give this FSD version to current owners came to mind.

Musk said a new FSD model is coming in about a month or two that will be an order-of-magnitude larger and will include more reasoning and reinforcement learning.

He said:

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“There’s a model that’s an order of magnitude larger that will be deployed in January or February 2026. We’re gonna add a lot of reasoning and RL (reinforcement learning). To get to serious scale, Tesla will probably need to build a giant chip fab. To have a few hundred gigawatts of AI chips per year, I don’t see that capability coming online fast enough, so we will probably have to build a fab.”

It rings back to late November when Musk said that v14.3 “is where the last big piece of the puzzle finally lands.”

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With the advancements made through Full Self-Driving v14 and v14.2, there seems to be a greater confidence in solving self-driving completely. Musk has also personally said that driver monitoring has been more relaxed, and looking at your phone won’t prompt as many alerts in the latest v14.2.1.

This is another indication that Tesla is getting closer to allowing people to take their eyes off the road completely.

Along with the Robotaxi program’s success, there is evidence that Tesla could be close to solving FSD. However, it is not perfect. We’ve had our own complaints with FSD, and although we feel it is the best ADAS on the market, it is not, in its current form, able to perform everything needed on roads.

But it is close.

That’s why there is some legitimate belief that Tesla could be releasing a version capable of no supervision in the coming months.

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All we can say is, we’ll see.

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Investor's Corner

SpaceX IPO is coming, CEO Elon Musk confirms

However, it appears Musk is ready for SpaceX to go public, as Ars Technica Senior Space Editor Eric Berger wrote an op-ed that indicated he thought SpaceX would go public soon. Musk replied, basically confirming it.

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elon musk side profile
Joel Kowsky, Public domain, via Wikimedia Commons

Elon Musk confirmed through a post on X that a SpaceX initial public offering (IPO) is on the way after hinting at it several times earlier this year.

It also comes one day after Bloomberg reported that SpaceX was aiming for a valuation of $1.5 trillion, adding that it wanted to raise $30 billion.

Musk has been transparent for most of the year that he wanted to try to figure out a way to get Tesla shareholders to invest in SpaceX, giving them access to the stock.

He has also recognized the issues of having a public stock, like litigation exposure, quarterly reporting pressures, and other inconveniences.

However, it appears Musk is ready for SpaceX to go public, as Ars Technica Senior Space Editor Eric Berger wrote an op-ed that indicated he thought SpaceX would go public soon.

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Musk replied, basically confirming it:

Berger believes the IPO would help support the need for $30 billion or more in capital needed to fund AI integration projects, such as space-based data centers and lunar satellite factories. Musk confirmed recently that SpaceX “will be doing” data centers in orbit.

AI appears to be a “key part” of SpaceX getting to Musk, Berger also wrote. When writing about whether or not Optimus is a viable project and product for the company, he says that none of that matters. Musk thinks it is, and that’s all that matters.

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It seems like Musk has certainly mulled something this big for a very long time, and the idea of taking SpaceX public is not just likely; it is necessary for the company to get to Mars.

The details of when SpaceX will finally hit that public status are not known. Many of the reports that came out over the past few days indicate it would happen in 2026, so sooner rather than later.

But there are a lot of things on Musk’s plate early next year, especially with Cybercab production, the potential launch of Unsupervised Full Self-Driving, and the Roadster unveiling, all planned for Q1.

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Tesla adds 15th automaker to Supercharger access in 2025

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tesla supercharger
Credit: Tesla

Tesla has added the 15th automaker to the growing list of companies whose EVs can utilize the Supercharger Network this year, as BMW is the latest company to gain access to the largest charging infrastructure in the world.

BMW became the 15th company in 2025 to gain Tesla Supercharger access, after the company confirmed to its EV owners that they could use any of the more than 25,000 Supercharging stalls in North America.

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Newer BMW all-electric cars, like the i4, i5, i7, and iX, are able to utilize Tesla’s V3 and V4 Superchargers. These are the exact model years, via the BMW Blog:

  • i4: 2022-2026 model years
  • i5: 2024-2025 model years
    • 2026 i5 (eDrive40 and xDrive40) after software update in Spring 2026
  • i7: 2023-2026 model years
  • iX: 2022-2025 model years
    • 2026 iX (all versions) after software update in Spring 2026

With the expansion of the companies that gained access in 2025 to the Tesla Supercharger Network, a vast majority of non-Tesla EVs are able to use the charging stalls to gain range in their cars.

So far in 2025, Tesla has enabled Supercharger access to:

  • Audi
  • BMW
  • Genesis
  • Honda
  • Hyundai
  • Jaguar Land Rover
  • Kia
  • Lucid
  • Mercedes-Benz
  • Nissan
  • Polestar
  • Subaru
  • Toyota
  • Volkswagen
  • Volvo

Drivers with BMW EVs who wish to charge at Tesla Superchargers must use an NACS-to-CCS1 adapter. In Q2 2026, BMW plans to release its official adapter, but there are third-party options available in the meantime.

They will also have to use the Tesla App to enable Supercharging access to determine rates and availability. It is a relatively seamless process.

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