Soulbrain

Soulbrain is a South Korean supplier of high-purity electrolytes, additives and specialty chemicals for lithium-ion batteries, semiconductors and displays. It serves electric vehicle and energy storage manufacturers.

Company Location

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South Korea

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Company Overview

Soulbrain Co., Ltd. is a South Korean chemical materials company headquartered in Seongnam, Gyeonggi-do. The company’s Technical R&D Center was established in 1994; founding year and founders are not specified in the provided information. Led by CEO Hwan Chul Rho, Soulbrain develops and manufactures high-purity materials for semiconductors, flat-panel displays, and lithium-ion batteries. Its principal focus is high-purity electrolytes and functional chemicals used by major battery makers for electric vehicles and energy storage. Soulbrain’s stated vision emphasizes sustained growth through continuous research and development and contribution to advanced IT and energy industries. The company operates manufacturing sites in four countries and maintains multilingual corporate resources and investor communications.

Battery Technology

Soulbrain’s core technology centers on high-purity electrolyte formulations and functional additives for lithium-ion batteries, plus specialty chemicals for semiconductor and display fabrication. Electrolytes are engineered for low impurity levels and tailored salt/additive blends to improve cycle life, thermal stability, and safety in automotive and stationary storage applications. For semiconductors and displays, the company supplies CVD/ALD precursors, CMP slurries, etchants, and cleaning agents with tight process specifications. Differentiators include tier-one supplier status, patent-protected additive chemistry, and controlled manufacturing processes that reduce contamination risk. R&D collaborations and in-house process control support performance consistency and compliance with industrial safety and environmental handling standards.

Products

Soulbrain produces high-purity battery electrolytes and tailored additives, semiconductor precursors (CVD/ALD), CMP slurries, etchants, and display functional materials. Key benefits include impurity-controlled chemistries, improved battery safety and cycle life, and process stability for microelectronics fabrication. Products serve electric vehicle manufacturers, battery cell producers, flat-panel display makers, and energy storage system integrators across Asia, North America, and Europe.

Recent Projects

In 2024–2025 Soulbrain advanced North American localization with Soulbrain MI’s planned 30,000 sq ft manufacturing plant in Kokomo, Indiana—a roughly $75 million investment intended to supply high-purity electrolytes to regional battery producers, including the Stellantis‑Samsung SDI joint venture. Concurrently, Soulbrain MI secured a $2.2 million USABC R&D contract to develop automotive-grade electrolyte formulations in collaboration with US automakers and consortium partners.

Investors

Soulbrain’s ownership includes Soulbrain Holdings Co., Ltd. with about 31% stake, Ji-Wan Jeong holding roughly 7.8%, and Samsung Electronics listed as a significant shareholder. The company is publicly traded and provides investor information through IR channels; specific recent funding rounds or private equity transactions are not disclosed in the provided material. Soulbrain Holdings also invests in domestic startups and strategic partnerships within the chemical materials sector.

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