Method and system for precision spheroidisation of graphite

A system comprising:

• an impact processor configured to mill graphite particles, and comprising an inlet and an outlet;
• a secondary classifier configured to classify graphite particles and comprising an inlet and an outlet, the secondary classifier being downstream of and coupled to the impact processor;
• a recirculation mixer valve downstream of and coupled to the outlet of the secondary classifier;
• and
• a recirculation line coupling the outlet of the secondary classifier to the inlet of the impact processor,
• wherein the secondary classifier is a first secondary classifier, the recirculation mixer valve is a first recirculation mixer valve, and the recirculation line is a first recirculation line, and wherein the system further comprises:
• a second secondary classifier comprising an inlet and an outlet, the second secondary classifier being downstream of and coupled to the first secondary classifier;
• a second recirculation mixer valve downstream of and coupled to the outlet of the second secondary classifier;
• a second recirculation line coupling the outlet of the second secondary classifier to the inlet of the impact processor:
• a third secondary classifier comprising an inlet and an outlet, the third secondary classifier being downstream of and coupled to the second secondary classifier;
• a third recirculation mixer valve downstream of and coupled to the outlet of the second secondary classifier;
• and
• a third recirculation line coupling the outlet of the second secondary classifier to the inlet of the impact processor.