durable steel balls for ball milling high capacity
The weight ratio between all milling balls and the Li 2 SC mixture was set to 15 1. To prevent overheating of the system a rest time of 20 minutes was added after each 20minute ball milling and the total milling time was 2 hours. For better capacity retention multiwalled carbon nanotubes (MWCNTs Cheap Tubes Inc. Chat Online