Toyota's revolutionary all-solid-state battery EV could launch in 2027 or 2028

Published on Oct 08, 2025 at 9:03 PM (UTC-4)
by Claire Reid

Last updated on Oct 09, 2025 at 8:58 AM (UTC-4)
Edited by Kate Bain

Toyota's revolutionary all-solid-state battery EV could launch in 2027 or 2028
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Toyota is hoping to launch electric cars using its revolutionary all-solid-state EV battery as soon as 2027.

Dubbed the ‘holy grail’ of EV tech, solid-state batteries could be an absolute game changer for the future of electric vehicles. 

The batteries could offer some huge advantages over the lithium-ion batteries, which are currently used in EVs. 

And they could be here sooner than you think.

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All-solid-state batteries have been dubbed the ‘holy grail’ of EV tech

When it comes to switching from a gas-powered car to an all-electric one barrier for some folks is the fear of range anxiety, and having to wait around while the EV charges.

However, the all-solid-state EV battery could be the answer. 

These game-changing batteries are known as the ‘holy grail’ of EV technology, and it’s not hard to see why, as they offer better range, a longer lifespan, and much speedier charging times. 

An all-solid-state EV battery uses solid electrolytes instead of the liquid ones that you find in lithium-ion batteries.

This means that they allow for a much faster movement of ions, while also being able to handle high temperatures and voltages better than their lithium-ion counterparts. 

Toyota has been working on all-solid-state EV batteries for a while now, but this week the carmaker announced it had formed a partnership with Sumitomo Metal Mining Co to ‘mass produce cathode materials’ for the new batteries. 

“They aim to achieve the world’s first practical use of all-solid-state batteries in BEVs, potentially changing the future of automobiles and helping realize a carbon-neutral society,” the two companies said in a statement. 

Toyota went on to say it is ‘aiming for a market launch of BEVs with all-solid-state batteries in 2027-28’. 

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Toyota isn’t the only carmaker working on the new tech

While Toyota has now boldly announced it plans to ‘achieve the world’s first practical use of all-solid-state batteries’ in EVs, it’s not the only carmaker working on the new tech. 

Back in February, Mercedes-Benz announced that it had put ‘the first car powered by a lithium-metal solid-state battery on the road’. 

The prototype was made using a modified EQS, equipped with new batteries and other parts. 

Alongside that, Nissan, Honda, Volkswagen, BMW, Ford, and Tesla are all also reportedly working on all-solid-state batteries, but who will cross the finish line first?

With a background in both local and national press in the UK, Claire has covered a range of topics, including technology, gaming, and cryptocurrency, since joining the editorial team at Supercar Blondie in May 2024. Her ability to be first to a story has been integral to making SB’s coverage of scientific discovery, AI, and global tech news a slick 24/7 operation.