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

Patent ·
OSTI ID:1600348
;

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):
10,494,536
Application Number:
16/042,251
OSTI ID:
1600348
Resource Relation:
Patent File Date: 07/23/2018
Country of Publication:
United States
Language:
English

References (12)

Nano graphene platelet-based conductive inks patent-application January 2010
Graphene nanosheet counter-electrodes for dye-sensitized solar cells conference January 2010
Method For Manufacturing Graphene patent-application December 2011
Crosslinked Graphene and Graphite Oxide patent-application August 2011
Methods for preparation of concentrated graphene ink compositions and related composite materials patent-application March 2015
Inkjet Printing of High Conductivity, Flexible Graphene Patterns
  • Secor, Ethan B.; Prabhumirashi, Pradyumna L.; Puntambekar, Kanan
  • The Journal of Physical Chemistry Letters, Vol. 4, Issue 8, p. 1347-1351 https://doi.org/10.1021/jz400644c
journal March 2013
Coatings Containing Functionalized Graphene Sheets And Articles Coated Therewith patent-application March 2011
Method of producing exfoliated graphite, flexible graphite, and nano-scaled graphene platelets patent-application November 2008
Fabrication of High-Concentration and Stable Aqueous Suspensions of Graphene Nanosheets by Noncovalent Functionalization with Lignin and Cellulose Derivatives journal February 2010
Highly Concentrated Graphene Solutions via Polymer Enhanced Solvent Exfoliation and Iterative Solvent Exchange journal December 2010
Mixtures Comprising Graphite And Graphene Materials And Products And Uses Thereof patent-application July 2010
Production Of Mechanically Exfoliated Graphene And Nanoparticle Composites Comprising Same patent-application November 2011

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