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US 2026/0054988 A1Published application
Catalyst, Catalyst Precursor, Production Process, and Resulting High Purity and Controlled Morphology Carbon Nanotubes
AssigneeChasm Advanced Materials, Inc.
InventorsRicardo A. Prada Silvy, Sathish Kumar Lageshetty, Dennis McAlister, David J. Arthur
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Abstract
A catalyst, catalyst precursor, and carbon nanotubes grown using the catalyst. The catalyst includes a support comprising alumina and a cobalt species on a surface of the support, wherein cobalt is the sole active catalyst species for carbon nanotube growth. The support surface is iron-free.
Claims22
A carbon nanotube (CNT)-based composition, comprising:
- at least about 99 weight % CNT;
- and
- no more than about 0.5 weight % metal catalyst;
- wherein the residual mass as determined by an ashes method is no more than about 0.80 weight %.
1 more element
Dependencies are inferred from the claim text.