2024-04-17
Songwoo EM Co., Ltd. (CEO Soo-gon Park) began construction of a natural graphite spheronization and chemical purification line at the Sihwa R&D Center (318 Sihwahosu-ro, Siheung-si, Gyeonggi-do) on September 25, 2023.
Natural spherical graphite (SPG, Spherical Purified Graphite) is the most commonly used anode material in the lithium secondary battery industry. It has a wide application range in terms of battery capacity and manufacturing cost, and is essential in large quantities in next-generation batteries that use silicon anode materials. It is the core material used.
Currently, the domestic battery industry's dependence on graphite imports from China is very high at 97.7%, and as the secondary battery industry expands, demand and dependence are expected to increase day by day.
In addition, China's recent announcement of export restrictions on graphite, a key mineral for secondary batteries, and the rapidly changing international situation are adding urgency to securing a graphite anode material supply chain for domestic and foreign secondary battery companies.
Accordingly, Songwoo EM Co., Ltd., which succeeded in producing spheroidized natural graphite through its own technology development for the first time in Korea, secured excellent performance in both material precision and battery characteristic evaluation compared to Chinese commercial spheroidal graphite, and recently announced that it will accelerate the construction of production facilities. did.
For commercialization, an additional investment of approximately KRW 2 billion, in addition to the initial development cost of approximately KRW 8 billion, was made to build one mass production line with the same layout and system as mass production, with independent equipment, spherical technology, and manufacturing processes, etc., approximately 1/48 of the total scale of mass production. The goal is to complete construction of a production line with an annual production capacity of approximately 1,000 tons in April 2024.
The production of natural spheroidal graphite (SPG) is divided into graphite spheroidisation and purification processes, and Songwoo EM's manufacturing process technology is characterized by full automation of all processes and an eco-friendly manufacturing method using cutting-edge equipment.
Graphite spheroidization has completed the development of equipment using its own process and technology, and other equipment during the spheroidization process has been built only with domestic equipment, so the number and scale of equipment, installation area, maintenance time, and yield are smaller than the current spheroidization commercial equipment. , it is very excellent in sphericity, tap density, etc.
Even in the high-purity purification process, we independently developed an eco-friendly purification method and process that does not use nitric acid, which is an environmental problem, and application of equipment suitable for this process. In addition, production costs such as room temperature purification and one-time purification were reduced and wastewater emissions were reduced by 50% compared to existing purification methods. By recycling used reagents, the world's only eco-friendly manufacturing process technology was developed.
After line construction is completed in April 2024, natural nodular graphite samples will be supplied in large quantities to domestic and foreign battery companies, pitch coating companies, and other automobile industries to undergo full-scale product verification and 4M procedures.
Songwoo Eco Materials Co., Ltd.
TEL
+82-55-371-5300
FAX
+82-55-367-5008
HQ
14-2 Eogokgongdan 3-gil, Yangsan, Gyeongsangnam-do, Republic of Korea
R&D Center
Center 318 Sihwahosu-ro, Siheung, Gyeonggi-do, Republic of Korea
Factory
1166 Janggohang-ri, Seongmun-myeon, Dangjin, Chungcheongnam-do, Republic of Korea
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