公开(公告)号：US20170114478A1

公开(公告)日：2017-04-27

申请号：US15346134

申请日：2016-11-08

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Jae Kap LEE ,  Won Kook CHOI

IPC: D01F9/22 ,  D01F9/145 ,  C08K7/06

CPC classification number: D01F9/225 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/184 ,  C01B32/20 ,  C01P2004/17 ,  C08K3/04 ,  C08K3/043 ,  C08K5/20 ,  C08K7/06 ,  D01F9/145 ,  D01F9/16 ,  D01F9/22 ,  D10B2101/12 ,  Y10S977/734 ,  Y10S977/842

Abstract: The present disclosure relates to a carbon fiber composition and a fabrication method for high-performance carbon fiber using the same. The method can fabricate high-performance carbon fiber (or graphite fiber) with lowering a graphitization temperature by using graphene carbon fiber composition including nano-sized graphene.

公开(公告)号：US20210238737A1

公开(公告)日：2021-08-05

申请号：US17155992

申请日：2021-01-22

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Jae Kap LEE ,  Hyunsu JU

IPC: C23C16/27

Abstract: Provided are a method of manufacturing a diamond-graphene hybrid heat spreader-thermal interface material assembled thermal management material including: (a) preparing a planar diamond base material; and (b) converting a predetermined thickness of at least a partial area of one side or both sides of the diamond base material into vertical graphene, wherein the diamond base material serves as a heat spreader, and a graphene layer formed on the diamond base material serves as a thermal interface material (TIM) or a heat sink, and a method of modulating the diamond-graphene hybrid thermal management material including modulating the thermal management material by attaching a heterogenous member to the surface of the diamond-graphene hybrid thermal management material and pressurizing the attached structure.

公开(公告)号：US20220024769A1

公开(公告)日：2022-01-27

申请号：US16936130

申请日：2020-07-22

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Jae Kap LEE ,  Kwang Koo JEE

IPC: C01B32/168

Abstract: The present invention has been proposed to solve various problems including the above problems, and an object of the present invention is to provide a method of stabilizing carbon nanotubes by oxidizing catalyst metal particles included in the carbon nanotubes by oxidation heat treatment or by melting and removing the catalyst metal particles in a vacuum atmosphere. According to an aspect of the present invention to achieve the object, the method includes preparing carbon nanotubes including a catalyst metal and oxidizing the catalyst metal by heat-treating the carbon nanotubes. According to another aspect of the present invention to achieve the object, the method includes preparing carbon nanotubes including a catalyst metal, melting the catalyst metal by heat-treating the carbon nanotubes, and acid pickling the carbon nanotubes having undergone the melting process.

公开(公告)号：US20140018480A1

公开(公告)日：2014-01-16

申请号：US13939349

申请日：2013-07-11

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Jae Kap LEE ,  Won Kook CHOI

IPC: C08K5/20 ,  C08K3/04

CPC classification number: D01F9/225 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/184 ,  C01B32/20 ,  C01P2004/17 ,  C08K3/04 ,  C08K3/043 ,  C08K5/20 ,  C08K7/06 ,  D01F9/145 ,  D01F9/16 ,  D01F9/22 ,  D10B2101/12 ,  Y10S977/734 ,  Y10S977/842

Abstract: The present disclosure relates to a carbon fiber composition and a fabrication method for high-performance carbon fiber using the same. The method can fabricate high-performance carbon fiber (or graphite fiber) with lowering a graphitization temperature by using graphene carbon fiber composition including nano-sized graphene.

Abstract translation: 本发明涉及一种碳纤维组合物和使用其的高性能碳纤维的制造方法。 该方法可以通过使用包括纳米尺寸的石墨烯的石墨烯碳纤维组合物来制造具有降低石墨化温度的高性能碳纤维（或石墨纤维）。