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Mercedes teams up with Factorial to develop solid-state batteries

MercedesBenz and U.S. battery start-up Factorial are working on a solidstate battery that needs to considerably increase electrical automobile variety and be all set for production by the end of the decade, the companies said on Tuesday.

The brand-new battery, called Solstice, ought to extend EV range about 80% above today's average, with an energy density of 450 Watt-hours per kilogram, the companies said in a declaration.

Solid-state batteries have actually been billed as a game-changing technology for EVs, as they must minimize fire threat and allow for lighter, lower-cost cars and trucks than can take a trip further on a single charge.

However they have shown harder than anticipated for major car manufacturers and battery making partners to establish at scale.

Vehicle groups are urgently looking for methods to cut costs and boost EV variety as sales have stagnated in Europe in particular.

Factorial has currently established a quasi-solid-state battery that automakers including Mercedes are testing and must be in EVs on the road in 2026.

Mercedes has actually invested in Factorial, which raised $200. million in 2022, along with competitors Stellantis and. Hyundai.

Factorial developed quasi-solid-state batteries initially. since they can utilize similar assembly line to traditional. lithium-ion batteries, indicating they can scale up much faster, CEO. Siyu Huang told Reuters.

In a solid-state battery, the liquid electrolyte through. which the electrical charge passes need to be changed with a. strong alternative, minimizing fire risk and diminishing battery pack. size.

Huang said that solid-state batteries would not need. pricey, heavy cooling systems needed for today's battery. packs, permitting car manufacturers to further reduce expenses.

We're not simply concentrated on the expense of (battery) cell, but. the expense of the general vehicle, she said.

The obstacles of establishing solid-state batteries include. poor efficiency in cold weather and the battery pack's propensity. to broaden.

Mercedes Chief Technology Officer Markus Schaefer told. Reuters that Factorial's solid-state batteries could offer a. 40% enhancement in energy density over the German premium. car manufacturer's high performance batteries today.

This would make it possible for Mercedes to either considerably decrease EV. battery pack size - batteries are an EV's most expensive and. heaviest component - or provide long-range electric vehicles for. those who want them.

He included that lighter batteries would allow Mercedes to utilize. steel for EV bodies rather of even more expensive and carbon. extensive high-strength aluminium.

Mercedes is likewise working with Taiwanese battery maker. ProLogium, in which it has invested, on solid-state batteries. and is researching high-silicon anodes as an option. option to increase EV battery density.

There are some challenges that you have to get under. control, however ... we have great engineering solutions to attend to. them, Schaefer said, including that he believed Factorial's objective. of developing Solstice at scale by the end of the years was. realistic.

(source: Reuters)