Amprius Technologies Expands Korea Battery Alliance, Strengthening Global Manufacturing Scale and Secure Supply Chains
Amprius Technologies, Inc., a recognized leader in next-generation lithium-ion battery innovation powered by its proprietary Silicon Anode Platform, has announced a major expansion of the Amprius Korea Battery Alliance (the “Alliance”). The announcement follows a successful and highly attended launch event held in Daejeon, South Korea, underscoring the growing importance of strategic international partnerships in the rapidly evolving global battery industry.
The expansion brings three new contract manufacturers into the Alliance, further strengthening a consortium of leading Korean companies that collectively span the full lithium-ion battery value chain. These partners contribute specialized expertise across materials development, component manufacturing, production equipment, and large-scale battery assembly. Their addition significantly enhances Amprius’ global manufacturing footprint while providing the Company with direct access to South Korea’s highly advanced and technologically sophisticated battery production ecosystem.
Building a Robust, Globally Integrated Manufacturing Network
South Korea has long been recognized as one of the world’s most advanced hubs for lithium-ion battery research, development, and mass production. By expanding its Alliance within this ecosystem, Amprius is positioning itself to scale efficiently while maintaining strict quality, performance, and compliance standards. The newly added contract manufacturers complement Amprius’ existing partners, creating a more resilient and flexible manufacturing network capable of supporting growing demand across multiple end markets.
Through the Alliance, Amprius gains the ability to rapidly translate its silicon anode innovations into commercial-scale production. This collaborative model allows the Company to leverage established Korean manufacturing capabilities rather than relying solely on greenfield facilities, reducing time to market and capital intensity while preserving technological differentiation.
The expanded Alliance also supports Amprius’ broader strategy of diversifying production across trusted allied nations. By embedding its manufacturing partnerships within geopolitically aligned regions, the Company reduces exposure to supply chain disruptions and regulatory risks while strengthening long-term operational stability.
Alignment With NDAA Requirements and Secure Supply Chains
A central objective of the Amprius Korea Battery Alliance is to align the Company’s global manufacturing operations with the requirements of the U.S. National Defense Authorization Act (NDAA). Compliance with the NDAA is increasingly critical for companies serving defense, aerospace, and other sensitive or mission-critical markets, where supply chain transparency, security, and geopolitical alignment are paramount.
By expanding production partnerships in South Korea—one of the United States’ closest strategic allies—Amprius is reinforcing a secure, compliant supply chain framework. This approach enables the Company to support customers in defense, aerospace, and critical infrastructure sectors who require assurance that battery components and manufacturing processes meet stringent regulatory and national security standards.
The Alliance model also allows Amprius to segregate and manage production flows based on customer and regulatory requirements, ensuring that NDAA-compliant products can be delivered reliably and at scale without compromising efficiency.
Accelerating Commercialization of Silicon Anode Technology
At the core of Amprius’ value proposition is its Silicon Anode Platform, which enables lithium-ion batteries with significantly higher energy density than conventional graphite-based solutions. This technology is particularly well suited for applications where weight, range, and performance are critical, including aviation, defense systems, electric mobility, and advanced industrial equipment.
The expansion of the Korea Battery Alliance directly supports the accelerated production of Amprius’ SiCore® cells, which are designed to deliver high energy density, long cycle life, and reliable performance under demanding operating conditions. By integrating additional contract manufacturers with deep experience in precision battery manufacturing, Amprius can scale SiCore® production more rapidly while maintaining strict quality control.
Tom Stepien, President of Amprius Technologies, emphasized the strategic importance of the expanded Alliance, stating that deepening partnerships in Korea enables the Company to scale efficiently while meeting exact customer requirements. He noted that anchoring Amprius within a world-class lithium-ion battery manufacturing base allows the Company to accelerate production within an NDAA-compliant framework, a critical advantage as demand grows across regulated and high-performance markets.
Strengthening Korea’s Role in Advanced Energy Innovation
The expansion of the Alliance also carries significant implications for South Korea’s regional innovation ecosystem, particularly in Daejeon, a city widely recognized as a center for science, technology, and advanced materials research. The launch event highlighted the mutual benefits of the collaboration, bringing together industry leaders, policymakers, researchers, and investors to discuss shared goals and execution plans.
Mayor Lee Jang-woo of Daejeon underscored the importance of the partnership, noting that South Korea’s global leadership in advanced battery technology aligns naturally with Amprius’ position at the forefront of silicon anode innovation. He emphasized that expanding Amprius’ partnerships in Daejeon reinforces the city’s status as a hub for energy and materials innovation while driving economic growth and technological advancement across the region.
The Alliance is expected to foster closer collaboration between industry and academia, creating opportunities for joint research, workforce development, and knowledge exchange. This ecosystem-based approach supports both near-term manufacturing execution and longer-term innovation, ensuring that the Alliance remains competitive as battery technologies continue to evolve.
Scaling Capacity to Meet Rising Market Demand
With the addition of the three new contract manufacturers, Amprius’ global contract manufacturing network now exceeds 2 gigawatt-hours (GWh) of total capacity. This expanded scale significantly enhances the Company’s ability to meet rising demand across its key markets, including aviation, defense, electric mobility, and specialized industrial applications.
As customers increasingly seek batteries that deliver higher energy density without compromising safety or reliability, Amprius’ technology is gaining traction. The expanded manufacturing capacity ensures that the Company can respond to customer programs moving from pilot stages into full commercial deployment, a critical inflection point for growth-stage battery technology companies.
The Alliance structure also provides Amprius with flexibility to adjust production volumes, introduce new cell formats, and integrate process improvements without major disruptions. This adaptability is especially important in a market characterized by rapid technological change and evolving customer requirements.
Collaborative Planning and Execution
The launch ceremony in Daejeon brought together Alliance members, local and regional government officials, investors, industry experts, university researchers, and members of the media. The event served not only as a formal announcement but also as a working forum for collaboration.
Discussions focused on coordinating near-term production schedules, integrating suppliers across the value chain, and aligning on execution priorities. Participants also explored opportunities for deeper collaboration in areas such as process optimization, quality assurance, and next-generation battery research.
By fostering open communication and shared planning among Alliance members, Amprius aims to ensure smooth execution as production scales. This collaborative approach reduces friction across organizational boundaries and enables faster problem-solving, an important advantage in complex manufacturing environments.
A Strategic Step in Amprius’ Global Growth Strategy
The expansion of the Amprius Korea Battery Alliance represents a significant milestone in the Company’s broader global growth strategy. Rather than pursuing growth through isolated investments, Amprius is building an interconnected network of trusted partners that collectively enhance its ability to innovate, scale, and serve demanding markets.
This strategy reflects a clear understanding of the modern battery industry, where success depends not only on breakthrough technology but also on supply chain resilience, regulatory compliance, and manufacturing excellence. By aligning itself with South Korea’s advanced battery ecosystem and expanding its NDAA-compliant manufacturing base, Amprius is laying the groundwork for sustained long-term growth.
As global demand for high-performance lithium-ion batteries continues to rise, particularly in applications that prioritize energy density and reliability, Amprius’ expanded Alliance positions the Company to compete effectively on a global stage. The combination of proprietary silicon anode technology, expanded manufacturing capacity, and strategically aligned partnerships underscores Amprius’ ambition to play a leading role in the next phase of battery innovation.
In the months ahead, Amprius is expected to continue working closely with its Alliance partners to execute production plans, support customer programs, and explore additional opportunities for collaboration. The successful expansion of the Korea Battery Alliance signals not only near-term momentum but also a clear vision for how Amprius intends to scale its technology responsibly, securely, and globally.
