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Title: Methods for preparation of concentrated graphene compositions and related composite materials

Patent ·
OSTI ID:1193392
;

A rapid, scalable methodology for graphene dispersion with a polymer-organic solvent solution and subsequent solvent exchange, as can be utilized without centrifugation, to enhance graphene concentration.

Research Organization:
Northwestern Univ., Evanston, IL (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
FG02-03ER15457
Assignee:
Northwestern University (Evanston, IL)
Patent Number(s):
9,079,764
Application Number:
13/453,608
OSTI ID:
1193392
Resource Relation:
Patent File Date: 2012 Apr 23
Country of Publication:
United States
Language:
English

References (9)

Minimizing Graphene Defects Enhances Titania Nanocomposite-Based Photocatalytic Reduction of CO2 for Improved Solar Fuel Production journal July 2011
Fabrication of High-Concentration and Stable Aqueous Suspensions of Graphene Nanosheets by Noncovalent Functionalization with Lignin and Cellulose Derivatives journal February 2010
New insights into the structure and reduction of graphite oxide journal July 2009
Production Of Mechanically Exfoliated Graphene And Nanoparticle Composites Comprising Same patent-application November 2011
High-Concentration Solvent Exfoliation of Graphene journal April 2010
Aqueous-phase exfoliation of graphite in the presence of polyvinylpyrrolidone for the production of water-soluble graphenes journal December 2009
High-yield production of graphene by liquid-phase exfoliation of graphite journal August 2008
Measurement of Multicomponent Solubility Parameters for Graphene Facilitates Solvent Discovery journal March 2010
Solution Phase Production of Graphene with Controlled Thickness via Density Differentiation journal December 2009

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