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

Patent ·
OSTI ID:1650786
;

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.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-00OR22725
Assignee:
UT-Battelle, LLC (Oak Ridge, TN)
Patent Number(s):
10,626,028
Application Number:
16/012,244
OSTI ID:
1650786
Resource Relation:
Patent File Date: 06/19/2018
Country of Publication:
United States
Language:
English

References (26)

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Supercapacitor and electrochemical apparatus for water purification patent November 2010
High Surface Area Graphitized Carbon and Processes for Making Same patent-application August 2009
Method and apparatus for capacitive deionization and electrochemical purification and regeneration of electrodes patent October 2001
Ion-removal from water using activated carbon electrodes patent April 2001

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Related Subjects

36 MATERIALS SCIENCE
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY