$463M
$1B+
100
50%
Silicon Battery Leader Secures Massive Investment in Late Summer 2025
Group14 Technologies has achieved a defining moment in the silicon battery industry by securing $463 million in Series D funding and taking complete ownership of its strategic South Korean manufacturing facility. The round was led by SK Inc., with strong participation from existing investors including Porsche Investments, ATL, OMERS, Decarbonization Partners, Lightrock Climate Impact Fund, and Microsoft Climate Innovation Fund.
The SCC55® Advantage: Transforming Battery Performance
Group14's flagship product, SCC55®, is a stable silicon-carbon composite material that holds up to five times the capacity of graphite and affords up to 50% more energy density than conventional graphite for lithium-ion battery anodes. Unlike traditional approaches, SCC55® uses a unique hard carbon-based scaffolding that keeps silicon in its most stable form.
Batteries powered by SCC55® charge in minutes instead of hours, addressing one of the primary barriers to EV adoption.
Recent data from over 20 customers shows SCC55® enables silicon batteries to consistently achieve over 1,500 charge cycles, with some cases exceeding 3,000 cycles.
Manufacturers can seamlessly integrate SCC55® into any Li-ion battery manufacturing line or cell design without retooling their processes.
SCC55® is already powering over two million smartphones and serves more than 100 customers worldwide.
Strategic Asian Manufacturing: The BAM-3 Acquisition
The most significant aspect of this announcement is Group14's acquisition of full ownership of its joint venture with SK Inc. in Sangju, South Korea. Formed in 2021, the joint venture's battery active materials (BAM) factory produces Group14's flagship technology, SCC55®, at EV scale.
As Group14's third commercial battery active materials factory, BAM-3 is strategically located in Asia, home to the world's largest battery manufacturers. The facility began commercial operations in September 2024 and has quickly scaled to serve the global market.
Global Manufacturing Network Expansion
Group14's first and second BAM factories are located in Washington state, securing America's domestic battery supply chain and reducing dependence on global suppliers.
The newly acquired South Korean facility provides direct access to Asia's massive battery manufacturing ecosystem, strengthening global supply chain resilience.
The company is expanding silicon battery infrastructure in Europe with a state-of-the-art silane gas factory in Germany, which will supply a critical precursor for next-generation energy storage technologies.
This is a defining moment for Group14 and a clear signal that the future of high-performance energy storage, powered by our silicon battery material, is already here. We're strengthening regional battery supply chains and safeguarding our customers from global trade uncertainty.
Industry Applications Driving Demand in Autumn 2025
Electric Vehicle Market
The electric vehicle sector represents Group14's largest growth opportunity. SCC55® has been proven in EV applications, including Molicel's ultra-high-power P50B lithium-ion battery cells, where its breakthrough performance enables double the power density and half the charge times of traditional lithium-ion batteries.
AI and Consumer Electronics
Market Position and Future Outlook
Group14 Technologies is a global leader in advanced silicon battery materials, with customers representing 95% of global lithium-ion battery production. This market dominance, combined with the recent funding and facility acquisition, positions the company for unprecedented growth as the EV market accelerates.
Investment Implications for the EV Ecosystem
This funding round signals strong investor confidence in silicon battery technology as the next major advancement in energy storage. The participation of industry leaders like SK Inc., Porsche, and Microsoft demonstrates that silicon batteries are moving from experimental technology to commercial reality.
The timing is particularly significant as automakers face increasing pressure to improve EV performance while managing supply chain risks. Group14's multi-continental manufacturing strategy directly addresses these concerns by providing localized production capabilities and reduced dependence on single-source suppliers.