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Nitrogen-doped carbon aerogels for electrical energy storage

Patent ·
OSTI ID:1397269
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Disclosed here is a method for making a nitrogen-doped carbon aerogel, comprising: preparing a reaction mixture comprising formaldehyde, at least one nitrogen-containing resorcinol analog, at least one catalyst, and at least one solvent; curing the reaction mixture to produce a wet gel; drying the wet gel to produce a dry gel; and thermally annealing the dry gel to produce the nitrogen-doped carbon aerogel. Also disclosed is a nitrogen-doped carbon aerogel obtained according to the method and a supercapacitor comprising the nitrogen-doped carbon aerogel.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC52-07NA27344
Assignee:
Lawrence Livermore National Security, LLC
Patent Number(s):
9,776,156
Application Number:
14/820,397
OSTI ID:
1397269
Country of Publication:
United States
Language:
English

References (12)

Carbohydrate-Derived Nanoarchitectures: On a Synergistic Effect Toward an Improved Performance in Lithium–Sulfur Batteries journal October 2013
Electrochemical performance of carbon gels with variable surface chemistry and physics journal August 2012
Nitric Acid Activated Carbon Aerogels for Supercapacitors journal February 2013
Design and synthesis of carbonized polypyrrole-coated graphene aerogel acting as an efficient metal-free catalyst for oxygen reduction journal January 2014
Study of activated nitrogen-enriched carbon and nitrogen-enriched carbon/carbon aerogel composite as cathode materials for supercapacitors journal March 2011
Pyrolysis of N-doped organic aerogels with relation to sorption properties journal October 2011
Carbon Aerogels and Monoliths: Control of Porosity and Nanoarchitecture via Sol–Gel routes journal September 2013
Enhanced electrochemical capacitance of nitrogen-doped carbon gels synthesized by microwave-assisted polymerization of resorcinol and formaldehyde journal July 2008
Activated nitrogen-enriched carbon/carbon aerogel nanocomposites for supercapacitor applications journal December 2009
A Versatile, Ultralight, Nitrogen-Doped Graphene Framework journal October 2012
Heteroatom-doped carbon gels from phenols and heterocyclic aldehydes: Sulfur-doped carbon xerogels journal August 2014
Novel preparation of nitrogen-doped graphene in various forms with aqueous ammonia under mild conditions journal January 2012

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Related Subjects

25 ENERGY STORAGE
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY