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Process for Producing Nano-scaled Graphene Plates
US 20050271574 A1
  • Bor Jang
  • Laixia Yang
  • Shing Chung Josh Wong, University of Akron Main Campus
  • Yanjun Bai
Document Type
Patent
Publication Date
12-8-2005
Abstract
A process for producing nano-scaled graphene plates with each plate comprising a sheet of graphite plane or multiple sheets of graphite plane with the graphite plane comprising a two-dimensional hexagonal structure of carbon atoms. The process includes the primary steps of: (a) providing a powder of fine graphite particles comprising graphite crystallites with each crystallite comprising one sheet or normally a multiplicity of sheets of graphite plane bonded together; (b) exfoliating the graphite crystallites to form exfoliated graphite particles, which are characterized by having at least two graphite planes being either partially or fully separated from each other; and (c) subjecting the exfoliated graphite particles to a mechanical attrition treatment to further reduce at least one dimension of the particles to a nanometer scale, <100 nm, for producing the nano-scaled graphene plates.
Required Publisher's Statement

Application Number: US 10/858,814

Comments

Application Number: US 10/858,814

Citation Information
Bor Jang, Laixia Yang, Shing Chung Josh Wong and Yanjun Bai. "Process for Producing Nano-scaled Graphene Plates" US 20050271574 A1 (2005)
Available at: http://works.bepress.com/shing-chung_wong/84/