Li2CO3 of 99.9% purity – Enhanced grade Lithium Carbonate for xEV use Enhanced-grade Lithium Carbonate material. Recommended for use in Li-ion battery precursors to xEV applications. Average particle granularity of between 2 to 5 microns. Extremely low mineral impurities. Low water content (0.3%). Li2CO3 content guaranteed to be 99.9% or better.