Solid carbon products comprising carbon nanotubes and methods of forming same
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United States of America Patent
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Oct 27, 2020
Grant Date -
Nov 23, 2017
app pub date -
Jul 28, 2017
filing date -
Jul 12, 2012
priority date (Note) -
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Abstract
Methods of forming solid carbon products include disposing a plurality of nanotubes in a press, and applying heat to the plurality of carbon nanotubes to form the solid carbon product. Further processing may include sintering the solid carbon product to form a plurality of covalently bonded carbon nanotubes. The solid carbon product includes a plurality of voids between the carbon nanotubes having a median minimum dimension of less than about 100 nm. Some methods include compressing a material comprising carbon nanotubes, heating the compressed material in a non-reactive environment to form covalent bonds between adjacent carbon nanotubes to form a sintered solid carbon product, and cooling the sintered solid carbon product to a temperature at which carbon of the carbon nanotubes do not oxidize prior to removing the resulting solid carbon product for further processing, shipping, or use.
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International Classification(s)
- C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
- B82Y:SPECIFIC USES OR APPLICATIONS OF NANO-STRUCTURES; ....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- C04B:LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREO....
- H01B:CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATER....
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
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