Toyota plans solid-state battery for 2025, but it won't be for an EV

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Toyota is one of several automakers and other companies chasing the holy grail of battery technologies: solid-state battery, We are going to see such batteries from the automaker by 2025, as commented by Gil Pratt, Toyota’s chief scientist and head of the Toyota Research Institute.

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But Toyota isn’t planning on making an EV with a battery.

Instead, Pratt told AutoLine on Thursday that the company would switch the solid-state battery to a hybrid vehicle. Yes, solid-state batteries and internal-combustion engines are working together. It may seem counterintuitive, but Pratt said there’s a solid argument for it: Lithium-ion batteries aren’t a price parity With internal-combustion engines, let alone solid-state batteries. The thinking is to reap the benefits of such a battery, but combine it with hybrid technology to keep the price low on the production vehicle.

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In addition, the use of solid-state technology in hybrids will provide valuable insight into Toyota before using batteries in fully electric cars. Pratt replicated battery charge and discharge differently than lithium-ion batteries. Hybrids will provide a true test for the technology before the automaker goes too deep with solid-state battery-powered EVs. Toyota did not immediately return a request for comment on Pratt’s comment.

We shouldn’t see this as a super aggressive timetable for technology in the grand scheme of things. Solid-state batteries have eluded engineers for years and there’s no good way to get them into production on a large scale and at a reasonable cost. However, Toyota may be ready to change that by the middle of this decade.

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