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Strong-state batteries promise improved efficiency and security evaluate to present expertise, and so they could also be getting near industrial deployment. The newest step ahead: semi-solid-state batteries might quickly seem in manufacturing autos in China (sigh…the place else?).
Chinese language battery specialist WeLion has delivered its first semi-solid-state battery cells to EV producer Nio, which plans to make use of the cells in its 150 kWh battery pack, and goals to ship the primary EVs with these battery packs earlier than the top of July.
Nio first unveiled a 150 kWh semi-solid-state battery pack in January 2021, however the supply schedule was delayed a number of instances. In Might of this 12 months, when the corporate unveiled its new ES6 SUV, William Li, Chairman and CEO of Nio, confirmed plans to place the semi-solid-state tech right into a car, and mentioned that the brand new battery pack would allow a spread of 930 kilometers, or 578 miles (on the Chinese language testing cycle).
Nio says its new 150 kWh battery pack provides particular vitality of 360 Wh/kg, and provides solely 20 kg to car weight in comparison with its previous-generation pack. The semi-solid-state cells themselves are composed of a strong electrolyte, an anode materials fabricated from a silicon/graphite composite and a cathode with “ultra-high” nickel content material.
The brand new pack, which the businesses admit is dear, is not going to be accessible for buy at first, however just for lease. That is a part of Nio’s enterprise mannequin—all Nio fashions are actually appropriate with the corporate’s battery swap expertise, so prospects can improve their battery packs when desired. At present, the corporate provides 75 and 100 kWh packs.
“Immediately’s supply is only a small step within the joint growth of WeLion and Nio, and hopefully this small step will result in a giant expertise leap for the entire trade,” mentioned Zeng Shizhe, Vice President of Nio Battery Techniques.
Beijing-based WeLion started manufacturing of semi-solid-state battery cells in December 2022 at its battery manufacturing facility in Huzhou. In March of this 12 months, WeLion accomplished one other manufacturing facility for hybrid battery cells (strong and liquid electrolytes) and pure solid-state battery cells at Zibo within the province of Shandong.
WeLion’s partnership with Nio will not be unique. WeLion has mentioned it desires to work with “main worldwide automakers” to make sure that “subsequent mass manufacturing progresses steadily as deliberate.”
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