CATL Unveils First Generation of Sodium-ion Batteries

In Products, Clean Talk, Electric Mobility, News, Sustainability, Technology
CATL

Contemporary Amperex Technology Ltd (CATL), the world’s largest electric car battery maker, based in the Chinese coastal city of Ningde, has unveiled a new battery which runs on the cheap and abundantly available sodium instead of lithium.

Dr. Robin Zeng, chairman of company, unveiled the company’s first-generation sodium-ion battery, together with its AB battery pack solution – which can integrate sodium-ion cells and lithium-ion cells into one pack.

CATL said that the new batteries will be mainly used in energy storage systems and two-wheeled vehicles, and will serve as a supplement to lithium-ion batteries.

Based on a series of innovations in the chemistry system, CATL’s first generation of sodium-ion batteries has the advantages of high-energy density, fast-charging capability, excellent thermal stability, great low-temperature performance and high-integration efficiency, among others.

CATL

The energy density of CATL’s sodium-ion battery cell can achieve up to 160Wh/kg, and the battery can charge in 15 minutes to 80% SOC at room temperature.

Moreover, in a low-temperature environment of -20°C, the sodium-ion battery has a capacity retention rate of more than 90%, and its system integration efficiency can reach more than 80%.

The sodium-ion batteries’ thermal stability exceeds the national safety requirements for traction batteries.

About 70% of the world’s lithium resources are concentrated in South America, while 80% of China’s lithium supply depends on imports. In order to reduce this dependence on imports CATL’s is coming up with new chemistry batteries.

Reference- CATL website and Newsroom, Reuters, Inside EVs, Green Car Congress

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