New Chinese Battery Can Let EVs Run 4 Trips Lahore to Islamabad on Single Charge

Chinese researchers at the Chinese Academy of Sciences have developed a solid-state lithium-metal battery that can offer 1,000-1,500 Km range, enough to cross the Lahore-Islamabad Motorway (~370 Km) four times.

According to the Institute of Metal Research, the battery achieves an energy density of 451.5 Wh/kg and enables ultra-fast charging and discharging in roughly three minutes.

The findings were published in the Journal of the American Chemical Society.

The prototype maintains stable performance under a 20C charge rate, allowing rapid cycling while still achieving 700 charge cycles with about 81.9 percent capacity retention.

The breakthrough comes from a new “compatibilizing-solvent plasticization” method used in PVDF-based polymer electrolytes. The approach temporarily improves material compatibility during fabrication, then locks the electrolyte structure in place after solvent evaporation.

In practical testing, the researchers also built an ampere-hour-scale pouch cell using a thin lithium-metal anode, achieving 451.5 Wh/kg energy density. The cell passed safety testing, including nail penetration resistance, while maintaining structural integrity.

The performance level significantly exceeds today’s mainstream lithium iron phosphate (LFP) batteries, which typically operate around 200 Wh/kg.

Companies like Ganfeng Lithium, CATL, Sunwoda, and Farasis Energy have all reported progress toward pilot production or engineering validation targets for 2026–2027.

Despite rapid advances in solid-state research, lithium iron phosphate batteries still dominate China’s EV market.

CATL leads the LFP segment, followed by BYD, Gotion High-tech, CALB, and several mid-tier suppliers, with LFP technology remaining the backbone of current electric vehicle deployment.

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