Dongfeng to unveil in-house hybrid solid-liquid battery in October, mass production in Q4 You Should Know
- Dongfeng will unveil its 350 Wh/kg solid-liquid hybrid battery in October and begin installing it in mass-produced vehicles in the fourth quarter, an executive said.
- The battery can support a driving range of more than 1,000 kilometers on a single charge.
Dongfeng Motor will unveil its in-house 350 Wh/kg solid-liquid hybrid battery in October and begin installing it in mass-produced vehicles in the fourth quarter of 2026.
Dongfeng deputy general manager You Zheng announced the timeline at an industry forum on Wednesday, September 9, according to local media outlet Cailian. The brief report provided no further details.
The schedule is broadly in line with Dongfeng’s earlier plans. The company said last November that it aimed to begin installing the 350 Wh/kg battery in mass-produced vehicles in September 2026.
The battery’s name has changed. Dongfeng previously described the product as a solid-state battery but now calls it a “solid-liquid hybrid battery.”
The change largely reflects China’s adoption of the term “solid-liquid hybrid battery” for semi-solid-state batteries to avoid confusion with all-solid-state batteries.
Dongfeng previously said the battery’s energy density of 350 Wh/kg is about twice that of mainstream lithium iron phosphate (LFP) cells, which typically range from 140 to 210 Wh/kg.
The battery can support a driving range of more than 1,000 kilometers on a single charge, the company had said.
In safety and cold-weather testing, the battery passed a 170°C thermal chamber test, exceeding the 130°C requirement under China’s national standard. It retained more than 72% of its energy at -30°C.
Dongfeng completed winter vehicle testing of the 350 Wh/kg battery in January. Test vehicles traveled from Wuhan to Mohe in Heilongjiang province, undergoing more than 70 tests at temperatures ranging from -40°C to -30°C.
Dongfeng’s 0.2 GWh pilot production line was completed and began operating in June 2025, creating an integrated research and production base spanning laboratories, prototype production and pilot manufacturing.
The near-term focus is demonstration operations. The company plans to deploy 100 demonstration vehicles equipped with the battery by the end of this year and deliver 50,000 vehicles with its in-house solid-state batteries in 2027.
The timeline for all-solid-state batteries is longer. Dongfeng aims to begin small-scale mass production around 2030, followed by large-scale mass production and widespread adoption around 2035.
The company is also developing a 350 Wh/kg all-solid-state battery that supports fast charging and conducting preliminary research on sulfide-based all-solid-state batteries with an energy density of 500 Wh/kg.
Other domestic automakers are advancing similar technologies. China FAW Group’s Hongqi brand rolled out its first prototype vehicle equipped with a solid-state battery earlier this year.
Chery (HKEX: 9973) plans to equip vehicles with solid-liquid hybrid batteries in the fourth quarter of 2026 and begin vehicle testing of all-solid-state batteries in 2027.
Major battery makers are taking a more cautious approach. CATL (HKEX: 3750) and BYD (HKEX: 1211) are both targeting small-batch vehicle deployment in 2027.
