Graphene Manufacturing Group said on April 15, 2026, that its graphene aluminium-ion battery has reached 49 Wh/kg in a six-minute charging test, doubling the result it reported in December 2025 as it works toward customer testing and eventual commercial production.
Graphene Manufacturing Group said its graphene aluminium-ion battery cells have doubled in energy density to 49 Wh/kg, sharpening a commercialization roadmap that calls for customer testing in 2026 and small-scale production in 2027.
Graphene Manufacturing Group has won U.S. EPA approval for its THERMAL-XR graphene-based coating, a regulatory step that allows the company to begin selling the product in the United States after years of development and earlier overseas approvals.
