Key Findings
Chinese automotive giant Dongfeng Motors has announced it will officially unveil its self-developed 350 Wh/kg hybrid solid-liquid battery in October 2026, with integration into mass-produced vehicles starting in the fourth quarter of the same year. This innovative battery promises a driving range exceeding 1,000 km on a single charge and demonstrates superior low-temperature performance, maintaining over 72% energy retention in extreme -30℃ conditions, addressing a critical challenge for EVs.
Technical & Clinical Details
The hybrid solid-liquid battery developed by Dongfeng Motors adopts an approach that retains a partial liquid electrolyte while utilizing solid-state components. This strategy aims to leverage the benefits of high energy density and safety characteristic of all-solid-state batteries, while mitigating the complex manufacturing challenges and costs. The battery achieves an impressive energy density of 350 Wh/kg, significantly surpassing current mainstream lithium-ion batteries (typically 200-300 Wh/kg). A standout feature is its robust performance in freezing temperatures, with over 72% energy retention at -30℃, which is a major breakthrough for EV usability in colder climates. From a manufacturing perspective, converting existing gigafactories for semi-solid battery production requires only a modest 10-15% equipment modification, offering a significant advantage in terms of scalability and cost-efficiency. This enables rapid mass production and market deployment.
Background & Context
In the electric vehicle (EV) market, driving range, charging infrastructure, and cost remain primary barriers to widespread adoption. While all-solid-state batteries are considered the ultimate solution to these issues, their technical complexity and manufacturing costs have thus far prevented full-scale mass production. In this context, Dongfeng Motors’ decision to adopt an ‘hybrid solid-liquid’ approach for early commercialization and performance improvement signifies a pragmatic evolution within the industry. The year 2026 is often designated as the ‘validation year’ for solid-state battery technology, with many manufacturers unveiling prototypes and commissioning pilot lines. Dongfeng Motors, by committing to mass production vehicle integration, is positioning itself to lead with tangible results, a strategic move to establish a technological edge against competitors such as BYD and Chery in the rapidly evolving Chinese EV market.
Strategic Significance & Outlook
The market introduction of Dongfeng Motors’ hybrid solid-liquid battery could significantly influence the Chinese and global EV markets. A driving range exceeding 1,000 km coupled with excellent low-temperature performance will strongly encourage consumer transition to EVs, particularly facilitating adoption in regions where EV penetration has been slow. If mass production can be achieved at a low cost, it will also enhance the price competitiveness of EVs, making high-performance electric vehicles accessible to a broader consumer base. Dongfeng Motors aims to leverage this technology to establish a leading position in the next-generation EV market and drive battery technology innovation in China. The future trajectory of this hybrid technology—whether it serves as a bridge to fully solid-state batteries or establishes its own distinct market segment—will be closely watched by the industry.
Source: https://cnevpost.com/2026/09/09/dongfeng-unveil-hybrid-solid-liquid-battery-oct-2026/
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