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Title: Carbon composition with hierarchical porosity, and methods of preparation

Abstract

A method for fabricating a porous carbon material possessing a hierarchical porosity, the method comprising subjecting a precursor composition to a curing step followed by a carbonization step, the precursor composition comprising: (i) a templating component comprised of a block copolymer, (ii) a phenolic component, (iii) a dione component in which carbonyl groups are adjacent, and (iv) an acidic component, wherein said carbonization step comprises heating the precursor composition at a carbonizing temperature for sufficient time to convert the precursor composition to a carbon material possessing a hierarchical porosity comprised of mesopores and macropores. Also described are the resulting hierarchical porous carbon material, a capacitive deionization device in which the porous carbon material is incorporated, as well as methods for desalinating water by use of said capacitive deionization device.

Inventors:
;
Issue Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1467382
Patent Number(s):
10,023,480
Application Number:
14/496,227
Assignee:
UT-BATTELLE, LLC (Oak Ridge, TN)
DOE Contract Number:  
AC05-00OR22725
Resource Type:
Patent
Resource Relation:
Patent File Date: 2014 Sep 25
Country of Publication:
United States
Language:
English

Citation Formats

Mayes, Richard T., and Dai, Sheng. Carbon composition with hierarchical porosity, and methods of preparation. United States: N. p., 2018. Web.
Mayes, Richard T., & Dai, Sheng. Carbon composition with hierarchical porosity, and methods of preparation. United States.
Mayes, Richard T., and Dai, Sheng. Tue . "Carbon composition with hierarchical porosity, and methods of preparation". United States. https://www.osti.gov/servlets/purl/1467382.
@article{osti_1467382,
title = {Carbon composition with hierarchical porosity, and methods of preparation},
author = {Mayes, Richard T. and Dai, Sheng},
abstractNote = {A method for fabricating a porous carbon material possessing a hierarchical porosity, the method comprising subjecting a precursor composition to a curing step followed by a carbonization step, the precursor composition comprising: (i) a templating component comprised of a block copolymer, (ii) a phenolic component, (iii) a dione component in which carbonyl groups are adjacent, and (iv) an acidic component, wherein said carbonization step comprises heating the precursor composition at a carbonizing temperature for sufficient time to convert the precursor composition to a carbon material possessing a hierarchical porosity comprised of mesopores and macropores. Also described are the resulting hierarchical porous carbon material, a capacitive deionization device in which the porous carbon material is incorporated, as well as methods for desalinating water by use of said capacitive deionization device.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {7}
}

Patent:

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