Carbon composition with hierarchical porosity, and methods of preparation

Mayes, Richard T; Dai, Sheng

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

Patent · Tue Oct 21 00:00:00 EDT 2014

OSTI ID:1160263

Mayes, Richard T; Dai, Sheng

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.

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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):: 8,865,351

Application Number:: 13/046,836

OSTI ID:: 1160263

Resource Relation:: Patent File Date: 2011 Mar 14

Country of Publication:: United States

Language:: English

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