Geely Developing Next-Gen Solid-State Batteries Up to 500 Wh/kg, Targeting Pilot Deployment by 2027

September 6, 2026

CarBuzz China

Overview

Chinese automotive giant Geely is developing next-generation all-solid-state batteries with a gravimetric energy density of up to 500 Wh/kg, aiming to commence pilot deployment by 2027. These batteries are reportedly in real-world vehicle validation, with the company claiming an impressive 1 million km lifespan. Geely’s initiative underscores the aggressive posture of Chinese companies to establish a leading edge in advanced battery technology within the intensifying EV market.

In Depth

Key Findings

Geely, a prominent Chinese automotive conglomerate, is actively focusing on the development of innovative next-generation solid-state batteries, targeting an exceptionally high gravimetric energy density of up to 500 Wh/kg. The company has announced plans to initiate pilot deployment of these high-performance solid-state batteries by 2027. This declaration unequivocally indicates that solid-state battery technology is transitioning from the laboratory phase to practical application, potentially significantly enhancing Geely’s competitive position in the electric vehicle (EV) market.

Technical and Manufacturing Details

The solid-state batteries currently under development by Geely are reportedly undergoing real-world vehicle validation. This signifies that their performance, safety, and durability are being evaluated not only in bench tests but also under actual vehicular operating conditions. The company asserts an astonishing lifespan of 1 million kilometers for this new battery, which, if realized, would dramatically improve EV ownership costs and operational convenience. An energy density of 500 Wh/kg substantially surpasses that of current mass-produced lithium-ion batteries, promising significantly extended EV driving ranges and acting as a crucial factor in alleviating consumer ‘range anxiety.’ This impressive performance is attributed to the adoption of solid electrolytes, balancing safety and high performance.

Background and Industry Context

Solid-state batteries are widely recognized as the next-generation technology that, by using solid electrolytes instead of liquid ones, can deliver enhanced battery safety (reduced risk of thermal runaway), significantly increased energy density, and extended lifespan. A fierce global development race is underway for this technology. With major automakers like Toyota targeting introduction for Lexus models between 2027 and 2028, Geely’s objective for a 2027 pilot deployment symbolizes the rapid progress of Chinese companies in this sector. Notably, strong support from the Chinese government for solid-state battery development and standardization further bolsters aggressive investments from companies like Geely.

Future Outlook

The commencement of pilot deployment for solid-state batteries by Geely will serve as a significant differentiator within its EV portfolio. High energy density and extended lifespan are likely to stimulate consumer interest and further accelerate EV adoption. However, challenges remain from pilot deployment to full-scale mass production and market launch, including cost reduction, establishment of robust supply chains, and further validation of long-term reliability. The success of Geely’s technological development is expected to strengthen the competitiveness of the entire Chinese EV industry and significantly influence the evolution of global battery technology.

Source: https://carbuzz.com/geely-solid-state-batteries-arriving-2027/

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