Methods for preparation of concentrated graphene compositions and related composite materials

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

Full Record
Similar

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.

Inventors:: Hersam, Mark C.; Liang, Yu Teng

Issue Date:: 2018-07-24

OSTI Identifier:: 1464453

Assignee:: Northwestern University (Evanston, IL) CHO

Patent Number(s):: 10,030,161

Application Number:: 14/797,999

Contract Number:: FG02-03ER15457

Resource Relation:: Patent File Date: 2015 Jul 13

Research Org:: Northwestern Univ., Evanston, IL (United States)

Sponsoring Org:: USDOE

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Full Text
View Full Text

Similar records in DOepatents and OSTI.GOV collections:

Methods for preparation of concentrated graphene compositions and related composite materials

Patent Hersam, Mark C. ; Liang, Yu Teng

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.
Full Text Available July 2015
Methods for preparation of concentrated graphene ink compositions and related composite materials

Patent Hersam, Mark C. ; Liang, Yu Teng ; Secor, Ethan B. ; Prabhumirashi, Pradyumna L. ; Puntambekar, Kanan P. ; Geier, Michael L.

A rapid, scalable methodology for graphene dispersion and concentration with a polymer-organic solvent medium, as can be utilized without centrifugation, to enhance graphene concentration.
Full Text Available December 2017
Methods for preparation of concentrated graphene ink compositions and related composite materials

Patent Hersam, Mark C. ; Liang, Yu Teng ; Secor, Ethan B. ; Prabhumirashi, Pradyumna L. ; Puntambekar, Kanan P. ; Geier, Michael L. ; Ahn, Bok Y. ; Lewis, Jennifer A.

A rapid, scalable methodology for graphene dispersion and concentration with a polymer-organic solvent medium, as can be utilized without centrifugation, to enhance graphene concentration.
Full Text Available February 2018
Compositions comprising enhanced graphene oxide structures and related methods

Patent Kumar, Priyank Vijaya ; Bardhan, Neelkanth M. ; Belcher, Angela ; Grossman, Jeffrey

Embodiments described herein generally relate to compositions comprising a graphene oxide species. In some embodiments, the compositions advantageously have relatively high oxygen content, even after annealing.
Full Text Available December 2016
High-density 3D graphene-based monolith and related materials, methods, and devices

Patent Worsley, Marcus A. ; Baumann, Theodore F. ; Biener, Juergen ; Charnvanichborikarn, Supakit ; Kucheyev, Sergei ; Montalvo, Elizabeth ; Shin, Swanee ; Tylski, Elijah

A composition comprising at least one high-density graphene-based monolith, said monolith comprising a three-dimensional structure of graphene sheets crosslinked by covalent carbon bonds and having a density of at least 0.1 g/cm.sup.3. Also provided is a method comprising: preparing a reaction mixture comprising a suspension and at least one catalyst, said suspension selected from a graphene oxide (GO) suspension and a carbon nanotube suspension; curing the reaction mixture to produce a wet gel; drying the wet gel to produce a dry gel, said drying step is substantially free of supercritical drying and freeze drying; and pyrolyzing the dry gel tomore »« less
Full Text Available March 2017