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Amprius has found a U.S.-based partner to help increase the production of its silicon anode batteries in the United States

04 Feb, 2026 - by CMI | Category : Advanced Materials

Amprius has found a U.S.-based partner to help increase the production of its silicon anode batteries in the United States

Amprius Technologies, Inc., a leader in advanced lithium-ion batteries, has announced a new manufacturing partnership with Nanotech Energy, a U.S.-based energy company. This partnership will allow Amprius to produce its high-performance silicon battery cells in the United States.

Nanotech Energy is Amprius' first U.S.-based partner, which helps the company meet the strict requirements for defense, aerospace, and other critical industries. This partnership also supports national security and complies with recent U.S. government regulations.

Amprius customers like L3Harris Technologies, which works on national security technology, also benefit from this partnership.

Over the past few months, Amprius and Nanotech have worked together to improve the design and manufacturing of Amprius’ silicon-anode cell, the SA128. The key features of this cell are:

Executive Statement

According to Tom Stepien, CEO of Amprius, establishing a U.S. manufacturing partner is essential to meeting the evolving requirements of their defense customers. Nanotech brings deep expertise in developing and manufacturing advanced lithium-ion cells. Their manufacturing skills and their industry-leading designs enable them to move quickly from development to production while maintaining the quality, security, and performance our customers expect.

According to Curt Collar, CEO of Nanotech Energy, nanotech Energy has been built from the ground up to enable and support the domestic battery cell industry. Their partnership with Amprius has two key tenets: deep technical capabilities and high trust. They are proud to help Amprius scale U.S. manufacturing for their field-validated silicon-anode cells that customers are demanding. Together they intend to design and produce the cells that are critical to the future of their country.

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Ravina Pandya

Ravina Pandya

Ravina Pandya is a seasoned content writer with over 3.5 years of hands-on experience across various writing formats, including news articles, blog posts, press releases, and informational content. Her expertise lies in producing high-quality, informative content tailored to meet the specific needs of diverse industries, such as Biotechnology, Clinical Diagnosti... View more

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