Graphene Manufacturing Group (GMG) has announced new test results for its graphene aluminium-ion battery, which the company says can recharge in roughly six minutes. GMG said the technology, known as the Graphene Aluminium-Ion Battery (G+AI), is being developed with the University of Queensland under a joint development agreement with Rio Tinto, with testing support from the Battery Innovation Center of Indiana in the US.
GMG reported that third-party testing by the Battery Innovation Center showed its current G+AI pouch cells achieved an energy density of 58 watt-hours per kilogram when charged in one hour and 26 watt-hours per kilogram when charged in six minutes. During six-minute fast charging, the cells reached 62% of capacity in 3.2 minutes and maintained performance over hundreds of cycles, according to the company. The cells had a nominal voltage of approximately 3.0 volts.
Graphene Manufacturing Group (GMG) has announced new test results for its graphene aluminium-ion battery, which the company says can recharge in roughly six minutes. GMG said the technology, known as the Graphene Aluminium-Ion Battery (G+AI), is being developed with the University of Queensland under a joint development agreement with Rio Tinto, with testing support from the Battery Innovation Center of Indiana in the US.GMG reported that third-party testing by the Battery Innovation Center showed its current G+AI pouch cells achieved an energy density of 58 watt-hours per kilogram when charged in one hour and 26 watt-hours per kilogram when charged in six minutes. During six-minute fast charging, the cells reached 62% of capacity in 3.2 minutes and maintained performance over hundreds of cycles, according to the company. The cells had a nominal voltage of approximately 3.0 volts.
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