Toyota, Idemitsu tieup to mass-produce all-solid-state batteries
October12, 20237:48 PM GMT+11Updated 15 hours ago
TOKYO,Oct 12 (Reuters) - Toyota (7203.T) and oil refiner Idemitsu Kosan (5019.T) announced a tie up on Thursday to develop and mass produce all-solid-state batteries, in another example of new partnerships being forged amid the disruptive shift to electric vehicles.
The companies aim tocommercialise next-generation batteries in 2027-28, followed by full-scale massproduction. Toyota has said it planned to introduce the batteries, which woulddrastically improve the driving range of EVs, as part of a strategic pivot toEVs announcedin June
Toyota is now lookingto make up for ground lost to Tesla and Chinese rivals such as BYD in the EVrace. It has said it found a "technological breakthrough" thataddresses durability problems in solid-state batteries and said it isdeveloping means to mass produce them.
Idemitsu Kosan,Japan's second-largest oil refiner, has been developing solid sulfide electrolyte,a material used in the batteries.
By bringing togetherthe material development technologies of both companies, Idemitsu's materialmanufacturing technology, and Toyota's battery mass production technology, wewill engage in full-scale mass production of all-solid-state batteries," ToyotaCEO Koji Sato told a news conference.
Solid-state batteriescan hold more energy than current liquid electrolyte batteries and automakersand analysts expect them to speed transition to EVs.
An EV powered by asolid-state battery would have a range of 1,200 km (746 miles) and chargingtime of just 10 minutes, according to Toyota.
Still, such batteriesare expensive and likely to remain so for years.
Idemitsu has beenexpanding into EV battery supply chains, increasing its stake in Australianlithium developer DeltaLithium (DLI.AX) to 15% earlier this year amid a global push by automakers to electrify their fleets.
https://www.reuters.com/business/autos-transportation/toyota-idemitsu-join-hands-mass-produce-all-solid-state-batteries-2023-10-12/
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