Contemporary Amperex Technology Co. Ltd. (CATL) plans to start mass production of its sodium-ion batteries in 2023. CATL has setup a large supply chain for the batteries and has entered negotiations with some carmakers about their use. Sodium-ion batteries have sodium-ion batteries have already been commercialized in e-bikes and energy storage.

Sodium is 2.3% of the world's crust. It is over 1000 times more abundant than lithium.

CATL is the world's largest battery company and is the major battery supplier to Tesla.

CATL's battery capacity is expected to reach more than 670 GWh by 2025 according to current estimates and has announced a target capacity of 1200 GWh per year perhaps as a runrate by the end of 2025 or in 2026. The company plans to raise up to RMB 45 billion in total from an equity offering to no more than 35 specific targets to support its further expansion. CATL's lithium-ion battery capacity in 2021 was 170.39 GWh, and the lithium-ion battery production lines that have been completed and put into operation will have a combined design annual capacity scale of 260 GWh to 280 GWh after stable operation.