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Title: High-density 3D graphene-based monolith and related materials, methods, and devices

Abstract

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 to produce a high-density graphene-based monolith. Exceptional combinations of properties are achieved including high conductive and mechanical properties.

Inventors:
; ; ; ; ; ; ;
Issue Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1347564
Patent Number(s):
9601226
Application Number:
13/844,340
Assignee:
Lawrence Livermore National Security, LLC
Patent Classifications (CPCs):
C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01P - INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01B - NON-METALLIC ELEMENTS
DOE Contract Number:  
AC52-07NA27344
Resource Type:
Patent
Resource Relation:
Patent File Date: 2013 Mar 15
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Worsley, Marcus A., Baumann, Theodore F., Biener, Juergen, Charnvanichborikarn, Supakit, Kucheyev, Sergei, Montalvo, Elizabeth, Shin, Swanee, and Tylski, Elijah. High-density 3D graphene-based monolith and related materials, methods, and devices. United States: N. p., 2017. Web.
Worsley, Marcus A., Baumann, Theodore F., Biener, Juergen, Charnvanichborikarn, Supakit, Kucheyev, Sergei, Montalvo, Elizabeth, Shin, Swanee, & Tylski, Elijah. High-density 3D graphene-based monolith and related materials, methods, and devices. United States.
Worsley, Marcus A., Baumann, Theodore F., Biener, Juergen, Charnvanichborikarn, Supakit, Kucheyev, Sergei, Montalvo, Elizabeth, Shin, Swanee, and Tylski, Elijah. Tue . "High-density 3D graphene-based monolith and related materials, methods, and devices". United States. https://www.osti.gov/servlets/purl/1347564.
@article{osti_1347564,
title = {High-density 3D graphene-based monolith and related materials, methods, and devices},
author = {Worsley, Marcus A. and Baumann, Theodore F. and Biener, Juergen and Charnvanichborikarn, Supakit and Kucheyev, Sergei and Montalvo, Elizabeth and Shin, Swanee and Tylski, Elijah},
abstractNote = {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 to produce a high-density graphene-based monolith. Exceptional combinations of properties are achieved including high conductive and mechanical properties.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2017},
month = {3}
}

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