CATL & Hyperstrong: Largest sodium-ion deal (60 GWh)

Three Years As A Partner CATL And Hyperstrong Agree to Cooperate on Energy Storage Systems

2026-05-07 Source: CATL | Translated by AI 2 min Reading Time

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CATL is regarded as the largest battery manufacturer and has now signed the world's largest cooperation for sodium-ion batteries with Hyperstrong—supplier and system integrator of energy storage systems—in China.

CATL, the world's largest battery manufacturer, has announced a milestone in terms of cooperation. Over the next three years, the company plans to work with Hyperstrong to significantly improve lithium-ion batteries and make them suitable for mass production.(Image: CATL) — CATL, the world's largest battery manufacturer, has announced a milestone in terms of cooperation. Over the next three years, the company plans to work with Hyperstrong to significantly improve lithium-ion batteries and make them suitable for mass production.
(Image: CATL)

CATL (Contemporary Amperex Technology Co. Limited) and Hyperstrong announced a three-year partnership to supply sodium-ion batteries with a total capacity of 60 gigawatt hours (GWh), according to a statement. This represents a milestone for both companies in the industrial implementation of sodium-ion battery technologies. As CATL's first strategic partner in the field of sodium-ion energy storage, Hyperstrong will work closely with the battery manufacturer in the areas of research and development, product applications and project implementation.

Sodium-Ion Batteries Are Becoming More Powerful

CATL explains that this partnership provides proof of the mass production of sodium-ion batteries along the entire value chain. It also provides the battery manufacturer with capacity for high-volume deliveries. It is also the world's largest supply contract for this type of battery to date! This is against the backdrop of the expansion of the global sodium-ion battery industry. And by controlling the morphology and modifying the surface, CATL has already succeeded in increasing the energy density of such batteries. On the production side, the battery manufacturer also faced the challenges of mass production (foaming in production lines for hard carbon and moisture control). To do this, it used core technologies such as regulating the pore size in the Angstrom range, molecular water binding on the surface and adaptive dynamic formation. This ensures consistent quality in large-scale production.

The Advantages of Sodium-Ion Battery Technology

According to the experts, sodium-ion batteries are characterized by their adaptability over a wide temperature range. They also offer a very high cycle stability at high temperatures, generate less heat during operation than other systems and are subject to less cell expansion stress, they add. All of this leads to greater safety and stability. In long-term energy storage applications, for example, system integration can be simplified more effectively, which avoids additional energy losses and increases the overall efficiency and economic performance of systems. CATL's sodium-ion storage batteries are also characterized by their platform-based design, which has the same form factor as lithium-ion batteries. This raises compatibility with the existing value chain to a high level. This is because adaptation costs are effectively reduced and the time required from product completion to use in power plants is shortened.

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