Heteroatom-doped helical carbonaceous nanotubes with ultrafine SnO 2 nanoparticles as active anode for lithium-ion batteries

Key Points

• The study aims to create an effective anode material for lithium-ion batteries using heteroatom-doped carbon nanotubes with ultrafine SnO2 nanoparticles.
• Development of an ultrafine SnO2 confined N, P, S-doped helical carbon nanotube.
• Exploration of physical confinement and chemical bonding in the nanotube structure.
• Characterization of electrochemical performance in lithium-ion battery applications.
• The unique structure suppresses the formation of unwanted byproducts during battery cycling.
• Demonstrated enhanced capacity and cycling stability compared to conventional anodes.