Patent ID: 9481576
Filing Date: 2016-11-01
CPC Classification: C01B,C25B

Claim Text:
1. An intercalated graphite compound for the production of exfoliated graphite, flexible graphite, or nano graphene platelets, said compound comprising a layered graphite with interlayer spaces or interstices and an intercalant or its component ions residing in at least one of said interstices, wherein said intercalant is sulfuric acid-free and comprises a carboxylic acid and an oxidant selected from the group consisting of Li 2 FeO 4 , Na 2 FeO 4 , Li x CoO 4 , Na x CoO 4 , K x CoO 4 , Li x NiO 4 , Na x NiO 4 , K x NiO 4 , and combinations thereof, where x is from 1 to 2.