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Title: High temperature oxygen treated carbon aerogels

Abstract

Disclosed here is a method for increasing the hydrophilicity of a carbon aerogel, comprising heating the carbon aerogels under air or a gas having a higher concentration of oxygen than air at a temperature of about 200.degree.-500.degree. C. to obtain an activated carbon aerogel. Also disclosed include an activated carbon aerogel obtained by the method, an electrode comprising the activated carbon aerogel, and a supercapacitor or capacitive deionization device comprising the electrode.

Inventors:
; ; ;
Issue Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1459575
Patent Number(s):
10008338
Application Number:
14/994,854
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA)
Patent Classifications (CPCs):
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01G - CAPACITORS
DOE Contract Number:  
AC52-07NA27344
Resource Type:
Patent
Resource Relation:
Patent File Date: 2016 Jan 13
Country of Publication:
United States
Language:
English

Citation Formats

Stadermann, Michael, Baumann, Theodore F., Gash, Alexander E., and Parra, Alex P. High temperature oxygen treated carbon aerogels. United States: N. p., 2018. Web.
Stadermann, Michael, Baumann, Theodore F., Gash, Alexander E., & Parra, Alex P. High temperature oxygen treated carbon aerogels. United States.
Stadermann, Michael, Baumann, Theodore F., Gash, Alexander E., and Parra, Alex P. Tue . "High temperature oxygen treated carbon aerogels". United States. https://www.osti.gov/servlets/purl/1459575.
@article{osti_1459575,
title = {High temperature oxygen treated carbon aerogels},
author = {Stadermann, Michael and Baumann, Theodore F. and Gash, Alexander E. and Parra, Alex P.},
abstractNote = {Disclosed here is a method for increasing the hydrophilicity of a carbon aerogel, comprising heating the carbon aerogels under air or a gas having a higher concentration of oxygen than air at a temperature of about 200.degree.-500.degree. C. to obtain an activated carbon aerogel. Also disclosed include an activated carbon aerogel obtained by the method, an electrode comprising the activated carbon aerogel, and a supercapacitor or capacitive deionization device comprising the electrode.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {6}
}

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Works referenced in this record:

Preparation of carbon aerogel electrodes for supercapacitor and their electrochemical characteristics
journal, February 2005


High surface area carbon aerogels for supercapacitors
journal, April 1998


Capacitance control of carbon aerogel electrodes
journal, November 2004


Tailoring of Morphology and Surface Properties of Syndiotactic Polystyrene Aerogels
journal, April 2013


Hydrophilicity-Controlled Carbon Aerogels with High Mesoporosity
journal, January 2009


High surface area carbon aerogel monoliths with hierarchical porosity
journal, July 2008