Production method for carbon nanotubes
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United States of America Patent
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Jul 9, 2019
Grant Date -
Apr 19, 2018
app pub date -
Dec 14, 2017
filing date -
Aug 28, 2013
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Abstract
The invention shows a production method for carbon nanotubes. The production method comprises a first step of feeding at least one kind of gas-phase catalyst into a first chamber, the at least one kind of gas-phase catalyst being formed from an iron family element-containing substance and a halogen-containing substance that are contained in a first liquid; and a second step of forming the carbon nanotubes from a carbon source fed into the first chamber using a catalyst generated based on the gas-phase catalyst existing in the first chamber, wherein the first step includes vaporization of the first liquid, and the first liquid does not contain the carbon source.
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