GRAPHITE. Get access now, click here. Prices for flake graphite feedstock and graphite anodes for lithium ion batteries. Flake Graphite price assessments for a wide range of medium, large and extra-large mesh sizes; Grade purities ranging from 90-95% Carbon content; Uncoated Spherical graphite, 99.95% Carbon, 10-micron, 15-micron & 25-micron