CATL to mass-produce sodium-ion batteries in 2026, targets 600 km range

May 30, 2026 8:34 AM CEST

Adrian Leung

CATL will launch a series of mass-produced sodium-ion battery products this year to capitalise on abundant raw materials and lower production costs compared to traditional lithium-ion chemistries. Speaking at the 2026 Equipment Powerhouse Forum on May 30, Wu Kai, Chief Scientist at CATL and Academician of the Chinese Academy of Engineering, confirmed that the manufacturing bottlenecks have been resolved, according to Sina.

According to official corporate roadmaps, the manufacturer is actively integrating these sodium-ion systems across passenger models, commercial vehicles, battery-swapping networks, and utility infrastructure, while concurrently shifting its long-term R&D architecture toward high-density lithium-air systems.

Scaling the Sodium Architecture

The accelerated industrialisation follows a pivotal expansion phase for CATL, which recently secured a historic 60 GWh supply contract, representing the largest single sodium-ion battery order globally. The engineering architecture utilises widely available precursors to bypass volatile lithium supply chains, dramatically lowering raw material entry thresholds.

While early iterations target budget passenger vehicles and energy storage systems, CATL is actively developing advanced high-density cell configurations. Future iterations of these sodium-ion platforms aim to achieve a single-charge cruising range of 600 km, positioning the chemistry as a direct competitor to entry-level lithium iron phosphate configurations.

Beyond near-term sodium scaling, the specialised engineering roadmap is pivoting toward lithium-air technology. This framework deploys metallic lithium as the negative electrode and atmospheric oxygen as the positive reactant. Because the open-cell architecture draws oxygen directly from the surrounding atmosphere during discharge rather than storing a heavy chemical host compound in a sealed cathode matrix, it eliminates substantial dead weight from the pack.

The resulting electrochemical reaction produces lithium peroxide, enabling a structural configuration that maximises theoretical energy density far beyond that of current solid-state or liquid-electrolyte systems and positioning the technology as a long-term successor to conventional lithium-ion baselines.

CATL’s battery installation volume for EVs in China. Credit: China EV DataTracker

Market Dynamics and Supply Context

The mass-production push coincides with the solidification of domestic dominance in conventional chemistries. According to China EV DataTracker, CATL installed 29.06 GWh of electric vehicle batteries in April 2026 alone, commanding a 46.6% market share nationwide.

The month’s volume split comprised 19.53 GWh of lithium iron phosphate systems and 9.53 GWh of conventional nickel-manganese-cobalt ternary packs. The expansion into sodium-ion chemistries introduces a parallel production path alongside the manufacturer’s established high-volume lithium iron phosphate and nickel-manganese-cobalt lines.

CATL

Sodium-Ion Battery

Adrian Leung

Adrian, an Electrical and Computer Engineering graduate with a love for cars, brings expertise and enthusiasm to every test at CarNewsChina. He also enjoys audio, photography, and staying active.