Single-walled carbon nanotubes (SWCNTs) are seamless, nanometre-scale tubes formed when one or several graphene sheets roll around a central axis at a defined helical angle.
Thanks to exceptionally low levels of amorphous carbon, metal residues and structural defects, they deliver outstanding electrical performance.
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Applications
• New-energy vehicles (battery additives & current collectors)
• 3C electronics & flexible devices
• Semiconductor interconnects
• Power-grid infrastructure
• Catalysis: SWCNTs act as catalysts or catalyst supports, boosting activity in heterogeneous and electrocatalytic processes.
SWCNT Advantages in Cathodes
Higher energy density
Higher active percentage
Can achieve higher compression density
Reduce PVDF usage
Improved processing
Shorter mixing time (no need to premix with carbon black)
Better adhesion
Can achieve better performance at high rates
May achieve extremely high rate performance
LCO Cathode Example; SEM
Electrode samples containing 0.06% SWCN show good particle surface coverage