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

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.

Counterparts (3)

Partner

CATL

company · 4 deals

Contemporary Amperex Technology Co., Limited (CATL) is a global leader in the development and manufacturing of lithium-ion batteries, focusing on solutions for electric vehicles and energy storage systems. The company is committed to reducing reliance on fossil fuels through innovative battery technology.

Envision Group

company · 1 deals

Envision Group is a global leader in smart energy technology, manufacturing wind turbines and EV batteries (Envision AESC), and developing AIoT operating systems for net-zero solutions. Headquartered in Shanghai, China, the company operates across renewable energy generation, energy storage, and digital energy management sectors globally.

BYD

company · 1 deals

BYD is a global company focused on technological innovations, with a strong presence in the automotive, electronics, new energy, and rail transit industries. They are a major player in the electric vehicle market and are expanding their presence in energy storage and other renewable energy solutions.