Quantum Graphite Limited engages in the exploration, mining, processing, and manufacture of flake graphite products in Australia. It also offers Li-ion electrical based batteries and long duration deep energy storage batteries utilizing thermal energy storage technologies. The company was formerly known as Valence Industries Limited and changed its name to Quantum Graphite Limited in November 2016. Quantum Graphite Limited was incorporated in 1986 and is headquartered in Melbourne, Australia.