Toyota and Panasonic lead in solid-state battery patents

Whereas it is unclear which firm will win the race to place solid-state batteries in a manufacturing automotive, Toyota and analysis associate Panasonic at present have the lead in patents associated to the know-how, Nikkei Asia reported Thursday.

Together with Tokyo-based analysis agency Patent Seek the advice of, Nikkei studied patent functions for solid-state battery tech in ten international locations and territories filed from 2000 by means of the tip of March of this yr.

Toyota was the clear chief with 1,331 identified patents, adopted by Panasonic with 445 patents. Compared, the third-place firm—Idemitsu Kosan—holds 272 patents, in keeping with the report.

2023 Toyota bZ4X Restricted AWD

It is price noting that patents are a great way to guage analysis and growth exercise, however they’re no robust indication of how far alongside an organization really is in bringing a specific know-how to manufacturing. Many different automakers and battery suppliers are additionally investing in solid-state battery analysis, lured by claims of higher vitality density.

Toyota started researching solid-state batteries within the Nineties, in keeping with Nikkei. It partnered with Panasonic for joint growth of the tech in 2019. Simply previous to that, Panasonic had mentioned solid-state cells weren’t going to reach till 2028 or later. Panasonic has after all additionally been a longtime enterprise associate with Tesla.

Toyota has confirmed at a few factors that the tech is beneath growth and scheduled for a manufacturing mannequin across the center of the last decade. Earlier this yr it revealed the primary software shall be a hybrid, not an EV.

2022 Toyota Prius Nightshade

2022 Toyota Prius Nightshade

In the meantime, Nissan is seeking to solid-state batteries as a key to creating inexpensive EVs viable throughout a broader vary of auto sorts, together with pickup vehicles and SUVs. Earlier this yr it introduced a prototype manufacturing facility for solid-state battery cells—with plans to ascertain a pilot manufacturing line as quickly as 2024 in Japan, and market availability in an EV in 2028.

Different automakers—together with Honda, BMW, Ford, and Volkswagen—have mentioned utilizing solid-state batteries in automobiles. However up to now the one sensible use has been in a special sort of auto. Stable-state cells are already being put in into metropolis buses in Germany, however they require some very particular circumstances—like high-temperatures—that are not sensible for passenger autos

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