Solid carbon products comprising carbon nanotubes and methods of forming same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C01B-031/02
H01B-001/04
B82Y-030/00
B82Y-040/00
C04B-035/645
C04B-035/83
B29C-043/00
B29C-067/24
C01B-031/00
B29K-105/00
출원번호
US-0414232
(2013-07-09)
등록번호
US-9604848
(2017-03-28)
국제출원번호
PCT/US2013/049719
(2013-07-09)
국제공개번호
WO2014/011631
(2014-01-16)
발명자
/ 주소
Noyes, Dallas B.
출원인 / 주소
Seerstone LLC
대리인 / 주소
TraskBritt P.C.
인용정보
피인용 횟수 :
0인용 특허 :
204
초록▼
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 n
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.
대표청구항▼
1. A method of forming a solid carbon product, the method comprising: disposing a plurality of carbon nanotubes comprising a residual metal catalyst in a press;applying pressure to the plurality of carbon nanotubes; andsintering the plurality of carbon nanotubes at a temperature of at least about 2,
1. A method of forming a solid carbon product, the method comprising: disposing a plurality of carbon nanotubes comprising a residual metal catalyst in a press;applying pressure to the plurality of carbon nanotubes; andsintering the plurality of carbon nanotubes at a temperature of at least about 2,100° C. to form covalent bonds between adjacent carbon nanotubes and produce a sintered solid carbon product comprising the residual metal catalyst and covalently bonded carbon nanotubes. 2. The method of claim 1, further comprising after sintering the plurality of carbon nanotubes, exposing the sintered solid carbon product to at least one reactant selected from the group consisting of metals, metal carbonyls, silanes, and hydrocarbons. 3. The method of claim 1, wherein sintering the plurality of carbon nanotubes comprises sintering the plurality of carbon nanotubes in an inert atmosphere or in a vacuum. 4. The method of claim 1, wherein disposing a plurality of carbon nanotubes comprising a residual metal catalyst in a press comprises disposing a plurality of carbon nanotubes comprising a metal selected from the group consisting of the elements of Groups 5 through 10 of the periodic table in the press. 5. The method of claim 1, wherein applying pressure to the plurality of carbon nanotubes and sintering the plurality of carbon nanotubes to form the sintered solid carbon product comprises forming a porous sintered solid carbon product. 6. The method of claim 1, wherein applying pressure to the plurality of carbon nanotubes and sintering the plurality of carbon nanotubes to form the sintered solid carbon product comprises forming an electrically conductive sintered solid carbon product. 7. The method of claim 6, wherein forming an electrically conductive sintered solid carbon product comprises forming an electrode. 8. The method of claim 1, wherein applying pressure to the plurality of carbon nanotubes and sintering the plurality of carbon nanotubes to form the sintered solid carbon product comprises extruding the sintered solid carbon product through a die. 9. The method of claim 1, wherein applying pressure to the plurality of carbon nanotubes and sintering the plurality of carbon nanotubes to form the sintered solid carbon product comprises pressing the plurality of carbon nanotubes into a mold. 10. The method of claim 1, wherein disposing the plurality of carbon nanotubes in a press comprises disposing the plurality of carbon nanotubes in a mold within the press. 11. The method of claim 1, further comprising: preparing a liquid solution comprising a salt;contacting the sintered solid carbon product with the liquid solution;applying an electric potential to the sintered solid carbon product to induce electrodeposition of at least one component of the liquid solution onto surfaces of the sintered solid carbon product and to form a plated sintered solid carbon product; andrinsing the plated sintered solid carbon product to remove the liquid solution therefrom. 12. The method of claim 1, wherein the residual metal catalyst comprises at least one material selected from the group consisting of vanadium oxide, palladium, platinum, gold, ruthenium, rhodium, and iridium. 13. The method of claim 1, wherein sintering the plurality of carbon nanotubes comprises sintering the plurality of carbon nanotubes in the presence of a ceramic material selected from the group consisting of boride(s), silicide(s), and combinations thereof. 14. The method of claim 1, further comprising mixing the sintered solid carbon product with at least one material selected from the group consisting of a metal, a ceramic, and a glass to form a material and pressing or pulling the material through a die. 15. The method of claim 1, wherein forming a sintered solid carbon product comprising the residual metal catalyst comprises forming the sintered solid carbon product to have an electrical conductivity of at least about 1×105 Siemens per meter.
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