Graphene Mnft Group stock news
Graphene Manufacturing Group Ltd. (TSXV: GMG) announced significant performance milestones for its graphene aluminum--ion battery technology developed under a Joint Development Agreement with Rio Tinto and tested by the Battery Innovation Center (BIC) in Indiana. Testing of 1.5 Ah pouch format "G®CELLS" demonstrated a 48% increase in energy density to 58 Wh/kg (up from 39 Wh/kg) and 94% energy efficiency. The cells completed 1,000 charge--discharge cycles with zero performance reduction under a 6--minute fast--charge profile (7C rate), doubling the cycle life achieved in prior testing and significantly outperforming benchmark Lithium Titanate Oxide (LTO) cells under equivalent rapid--cycling conditions.