CATL, BYD, and Envision sign new sodium-ion battery storage deals

Type: Partnership · Technology: Storage · Country: China · Announced: 2026-04-28

Chinese battery giants CATL, BYD, and Envision have signed new partnerships to develop and deploy sodium-ion battery storage solutions, signaling a strategic shift toward alternative energy storage technologies. The deals follow growing industry interest in sodium-ion cells as a lower-cost alternative to lithium-ion batteries, particularly for grid-scale storage applications. BYD, already manufacturing blade battery cells for sodium-ion projects, is expanding its sodium-ion portfolio through these collaborations. CATL and Envision are also leveraging their manufacturing scale to accelerate sodium-ion commercialization, with early deployments expected in 2026. The partnerships aim to address cost and supply chain challenges in lithium-ion batteries while supporting China's renewable energy integration goals. Industry analysts note that while sodium-ion technology is still maturing, these deals represent a concrete commitment to scaling the technology for commercial use.

Counterparties

Source article