Graphene stocks
Graphene Manufacturing Group Ltd (TSXV: GMG) announced on June 3, 2026, the execution of a Binding Joint Development Agreement (JDA) with Rio Tinto. The collaboration is aimed at accelerating the development and application of GMG’s graphene--aluminum ion batteries in heavy mobile equipment and grid energy storage within the mining sector. Under the terms of the agreement, Rio Tinto will provide $6 million in technical and financial support over a two--year period. This partnership is a significant commercial milestone, providing industrial validation for GMG's battery technology and its potential to decarbonize large--scale mining operations.