6K Energy and CRG Defense sign seven-year agreement to supply sustainable battery materials for U.S. defense systems

6K Energy, a U.S. advanced battery materials producer based in North Andover, Massachusetts, has signed a seven-year agreement with CRG Defense, an aerospace and defense systems manufacturer, to supply domestically produced cathode active materials (CAM) for U.S. defense battery cells and packs. Under the deal, 6K Energy will deliver single-crystal NMC811 cathode materials from its North Andover facility, with additional capacity coming online at its PlusCAM plant in Jackson, Tennessee, expected in early 2028. The agreement includes a structured quarterly purchasing plan to ensure stable supply for mission-critical programs. 6K Energy President Saurabh Ullal and CRG Defense CEO Patrick Hood both framed the deal as a direct response to the FCC's December 2025 ban on foreign-made drone components and Section 842 of the FY2026 NDAA, which prohibits the Department of Defense from procuring batteries from certain foreign entities.

This agreement is significant because it ties 6K Energy's UniMelt microwave plasma production platform — originally developed for recycling nickel superalloy powder into AM-grade feedstocks — directly into the defense battery supply chain, a market segment now being structurally reshaped by U.S. policy. The deal follows the pattern of Chinese localization (P2) in reverse: instead of a Western pioneer being undercut by a Chinese entrant, U.S. policy is creating a protected domestic market that rewards early movers with embedded supply positions. 6K Energy's prior work under a $1.9 million Defense Logistics Agency grant for lithium-ion battery materials development, and its existing UniMelt-based recycling agreement with Siemens Energy for nickel alloy powder, demonstrate that the company has already de-risked its production platform in industrial settings. The CRG Defense agreement now provides a commercial off-take signal that could attract further investment into domestic battery material capacity, particularly for defense-specific chemistries like single-crystal NMC811.

From an expert perspective, this deal is a concrete example of how defense policy is accelerating domestic supply chain formation for advanced materials, but execution risk remains high. 6K Energy must deliver on its PlusCAM plant timeline and prove that UniMelt can scale NMC811 production to meet defense demand without cost or quality penalties. For buyers in the defense battery ecosystem, the agreement signals that domestic CAM supply is becoming available, but qualification cycles for new cathode materials in military battery packs will still take 12–24 months. The practical test will be whether 6K Energy can convert this seven-year agreement into a repeatable production cadence, not just a policy-driven contract.