Solivis Secures 23 Billion Won in Series C Funding to Dramatically Scale Sulfide Solid Electrolyte Production Capacity

DigitalToday / Solivis Press Release South Korea

Overview

Solivis, a specialist in sulfide solid electrolytes, announced it has raised 23 billion won (approximately $17.3 million USD) in Series C funding, bringing its total capital raised to 65.2 billion won. The funds will be dedicated to further developing sulfide solid electrolyte technology, significantly expanding production capacity, and strengthening its global business footprint. Recognized for its high ionic conductivity and excellent processability, Solivis’s sulfide solid electrolytes are crucial for next-generation batteries, with the company also selected for Korea’s “Super Gap Global Deep Techs” program. This investment positions Solivis to address a critical bottleneck in solid-state battery commercialization.

In Depth

Key Findings

Solivis, a South Korean company specializing in sulfide-based solid electrolytes, announced a successful Series C funding round, securing 23 billion won (approximately $17.3 million USD). This investment brings the company’s total capital raised to 65.2 billion won, establishing a robust foundation for accelerating the development of sulfide solid electrolyte technology and significantly expanding its production capacity. This funding directly contributes to strengthening the supply of solid electrolytes, one of the critical bottlenecks in the commercialization of all-solid-state batteries.

Technical & Business Details

• Funding & Allocation: The 23 billion won raised will primarily be allocated to:
  • Further research and development of sulfide solid electrolyte technology.
  • Investing in equipment to dramatically expand solid electrolyte production capacity.
  • Strengthening global business development and partnerships.

  The cumulative funding of 65.2 billion won demonstrates Solivis’s long-term commitment to playing a major role in this specialized field.

• Importance of Sulfide Solid Electrolytes: Sulfide-based solid electrolytes, the focus of Solivis, are considered one of the most promising materials for realizing all-solid-state batteries due to their high ionic conductivity and excellent processability. They are particularly essential for achieving both high energy density and rapid charging capabilities.
• Government Support: Solivis has been selected for the 2026 “Super Gap Global Deep Techs” and “Unicorn Bridge” support programs, initiatives of Korea’s Ministry of SMEs and Startups. These programs aim to nurture innovative tech startups into globally competitive unicorn companies, highlighting the strong recognition of Solivis’s technology and future potential.

Background & Context

As the global competition for all-solid-state battery development intensifies, the stable supply of high-performance solid electrolytes remains one of the biggest challenges to mass production. Sulfide solid electrolytes, owing to their superior electrochemical properties, are attracting significant attention as core materials for next-generation batteries, especially in electric vehicles (EVs) and energy storage systems (ESS). The growth of specialized companies like Solivis is crucial for diversifying and strengthening the material supply chain, thereby accelerating the practical application of all-solid-state batteries.

Strategic Significance & Outlook

This latest funding round and production capacity expansion will significantly bolster Solivis’s position as a key player in the global sulfide solid electrolyte market. The company’s technology is expected to be adopted by EV manufacturers seeking high energy density and by the ESS market demanding safety and long cycle life. With the support of the Korean government, Solivis’s continued development in cost reduction and mass production techniques for sulfide solid electrolytes will bring the full commercialization of all-solid-state batteries one step closer to reality.

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