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GMG Achieves Initial 500 mAh Graphene Aluminium-Ion Battery Prototype in Pouch Cell Format & Provides Next Steps Toward Commercialisation
Brisbane, Queensland, Australia--(Newsfile Corp. - September 11, 2023) - Graphene Manufacturing G...
About this update from Graphene Manufacturing Group Ltd
[{"type":"text","content":"GMG Achieves Initial 500 mAh Graphene Aluminium-Ion Battery Prototype in Pouch Cell Format & Provides Next Steps Toward CommercialisationBrisbane, Queensland, Australia--(Newsfile Corp. - September 11, 2023) - Graphene Manufacturing Group Ltd. (TSXV: GMG) (\"GMG\" or the \"Company\") is pleased to provide a progress update on its Graphene Aluminium-Ion Battery technology (\"G+AI Battery\") being developed by GMG and the University of Queensland (\"UQ\"), and on the transition from coin cells to pouch cell format.The Company has now made initial G+AI Battery prototype pouch cells (see Figure 1), which have a storage capacity of over 500 mAh, with a nominal voltage of ~ 2 volts. This is a significant development as it shows the Company has matured the battery electro-chemistry and assembly techniques of producing pouch cells with over 10 layers of graphene coated cathode and aluminium foil anode.Figure 1: Typical G+AI Battery Pouch Cell PrototypeTo view an enhanced version of this graphic, please visit:https://images.newsfilecorp.com/files/8082/180189_gmg1_550.jpgThe next step for the Company is to optimise the assembly techniques of the pouch cell prototypes. This is to achieve repeatable storage capacity of over 500 mAh cells in order to conduct a variety of standard testing conditions for comparative purposes. The Company then intends to pursue producing cells with over 20 double-layers to get a storage capacity of 1000 mAh by using an automatic coating machine, cathode laser cutting equipment, and a semi-automatic stacker, to achieve reproduceable cells for validation trials.The aforementioned reproduceable cells is to meet an objective for the Rio Tinto Joint Development Agreement. This target is to achieve a repeatable capacity of 1000 mAh by H1 2024 and then produce this pouch cell at scale by H1 2025.Figure 2: GMG Pouch Cell Prototype Development ProcessTo view an enhanced version of this graphic, please visit:https://images.newsfilecorp.com/files/8082/180189_gmg2.pngBattery Technology Readiness LevelThe battery technology readiness level (\"BTRL\") of the Graphene Aluminium-Ion technology has progressed to Level 4 (see Figure 3). GMG is currently optimizing electrochemical behaviour for pouch cells via ongoing laboratory experimentation.Figure 3: Battery Technology Readiness LevelSource: “The Battery Component Read...