- Cosmo Chemical secured a KRW 15.47 billion cobalt sulphate supply agreement for 2026.
- Domestic cobalt sulphate production strengthens South Korea's battery materials ecosystem.
Cosmo Chemical Co., Ltd. has strengthened its position in the battery materials industry by securing a supply agreement for cobalt sulphate used in cathode materials for secondary batteries. The company announced that it will provide the material to EcoPro EM, reinforcing the domestic battery value chain. This latest Cosmo Chemical cobalt sulphate supply agreement reflects growing demand for battery raw materials as electric vehicle production continues to expand across global markets.
EcoPro EM operates as a joint venture involving Samsung SDI and Eco Pro BM. The supply contract remains effective from January 1 through December 31, 2026. Sales generated under the agreement are projected to reach KRW 15.47 billion, equivalent to approximately JPY 1.7 billion. The transaction value represents nearly 2% of Cosmo Chemical's total sales recorded during the fiscal year ended December 2025.
One of the company's key competitive strengths lies in its domestically developed technology for extracting cobalt sulfate. By establishing local production capabilities, the company enhances supply security and reduces dependence on overseas sources of battery materials. This capability has become increasingly important as battery manufacturers seek stable and resilient supply chains to support the rapid expansion of electric mobility and energy storage markets.
Beyond EcoPro EM, Cosmo Chemical also supplies products to various cathode material manufacturers operating in South Korea, including L&F and other industry participants. The company's expanding customer base demonstrates growing confidence in its production capabilities and technological expertise. As battery demand continues to rise, domestic material suppliers are expected to play an increasingly important role in supporting the region's advanced battery manufacturing ecosystem.
Frequently Asked Questions
What is the significance of Cosmo Chemical's cobalt sulphate supply agreement?
The agreement strengthens the domestic battery materials supply chain in South Korea while supporting growing demand for electric vehicle batteries. Valued at KRW 15.47 billion for 2026, the contract highlights Cosmo Chemical's role as a key supplier of cobalt sulphate used in cathode materials. The company's domestic extraction technology further enhances supply security, helping battery manufacturers reduce dependence on imported materials and build a more resilient ecosystem for advanced battery production.
Who are the key companies involved in the supply agreement?
The agreement involves Cosmo Chemical as the supplier and EcoPro EM as the customer. EcoPro EM itself is a joint venture established by Samsung SDI and Eco Pro BM. In addition to supplying EcoPro EM, Cosmo Chemical also provides cobalt sulfate products to L&F and other cathode material manufacturers. These collaborations demonstrate the interconnected nature of South Korea's battery industry and the importance of local suppliers in supporting battery manufacturing growth.
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