China's Domestic 700Wh/kg Solid-State Battery Prototype Achieves Breakthrough: 1,000km Range with 10-Minute Charging

According to People's Daily Online, a research team led by Academician Chen Jun of the Chinese Academy of Sciences has achieved a groundbreaking technological breakthrough. Their new generation of ultra-high energy density all-solid-state battery has successfully passed real-world testing, achieving an energy density exceeding 700Wh/kg and enabling over 1,000 kilometers of driving range with just 10 minutes of charging.

At the same time, automakers including NIO (09866-HK, NIO-US), Dongfeng, and SAIC Motor (600104-CN) are successively launching mass-produced vehicle models equipped with 'semi-solid-state batteries' (formerly known as hybrid solid-liquid batteries), accelerating market adoption.

Analysts predict that within the next 3 to 5 years, vehicles equipped with semi-solid-state and all-solid-state batteries will become mainstream, signaling the beginning of the end for the internal combustion engine era.

However, there remains a gap between achieving 700Wh/kg in the lab and deploying it in mass-market vehicles. Academician Ouyang Minggao of the Chinese Academy of Sciences predicted in 2026 that 'test vehicles with solid-state batteries will begin trials by the end of this year, with gradual market penetration over the next three years.'

Chen Jun's roadmap is even more specific—aiming to bring a 600Wh/kg battery to market within about one year. From 400 to 700Wh/kg, his team achieved this triple leap in just two years. China's solid-state battery industry is rapidly accelerating from laboratory research to mass production.

Once solid-state batteries are mass-produced at scale, gasoline-powered vehicles will face a triple blow: their range advantage will be erased, refueling speed will be matched by fast charging, and safety performance will be comprehensively surpassed. At that point, the last remaining advantage of gasoline vehicles—'refueling convenience'—will become meaningless.

Industry insiders expect that by 2030, gasoline vehicles will further exit the mainstream passenger car market, surviving only in niche segments such as commercial vehicles, off-road vehicles, and low-end mobility solutions.

Perhaps the decline of gasoline vehicles will not be a sudden collapse, but this energy revolution, driven by fundamental technological innovation, has already written an irreversible epilogue to the old era.