METHOD FOR PREPARING CARBON NANOTUBES

Title:

METHOD FOR PREPARING CARBON NANOTUBES

Document Type and Number:

WIPO Patent Application WO/2020/022725

Kind Code:

A1

Abstract:

The present invention relates to a method for preparing carbon nanotubes, the method comprising the steps of: subjecting Al(OH)3 to a first heat treatment to prepare a support containing AlO(OH); loading a mixture containing a main catalyst precursor and an auxiliary catalyst precursor on the support, to prepare an activated support; drying the activated support through a multi-stage drying process that includes vacuum drying; subjecting the dried activated support to a second heat treatment to prepare a supported catalyst; and preparing carbon nanotubes in the presence of the supported catalyst. The carbon nanotubes prepared by the method described above can have a significantly improved conductivity.

Inventors:

KANG KYUNG YEON (KR)
KANG HYUN JOON (KR)
LEE KI SOO (KR)

Application Number:

PCT/KR2019/009042

Publication Date:

January 30, 2020

Filing Date:

July 22, 2019

Export Citation:

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Assignee:

LG CHEMICAL LTD (KR)

International Classes:

C01B32/162; B01J23/847; B01J37/02

Foreign References:

KR20150037661A	2015-04-08
KR20150007266A	2015-01-20
KR20150142408A	2015-12-22
KR20150007265A	2015-01-20
KR20160125030A	2016-10-31
KR101431953B1	2014-08-19

Other References: