Self-Standing Single-Wall Carbon Nanotubes (SWCNT) Electrode (100mm * 100mm) for Supercapacitor and Battery, CSBSSESWCNT

A self-standing single-walled carbon nanotube (SWCNT) electrode is a sophisticated way to boost the performance of electrochemical energy storage devices. By eliminating the need for a metal current collector and polymer binders (like PVDF), you significantly increase the active material ratio and overall energy density. SWCNTs have a high aspect ratio and exceptional conductivity, they serve dual roles as both the active material and the current collector.

In Supercapacitor application field: (1) EDLC Mechanism: SWCNTs provide a massive surface area for the formation of the Electric Double Layer (EDL). (2) High Power Density: The lack of insulating binders allows for ultra-fast electron transport. (3) Pseudocapacitive Composites: SWCNT networks are often used as a "scaffold" for metal oxides (like MnO2) or conducting polymers (like PANI) to add high capacitance while maintaining high conductivity.

For Batteries (Lithium/Sodium Ion): (1) Anode Support: Self-standing SWCNT mats can host high-capacity materials like Silicon (Si) or Tin (Sn). The flexible SWCNT network helps accommodate the large volume expansion these materials undergo during lithiation. (2) Lithium Metal Anodes: They can act as a 3D "host" to regulate lithium plating, preventing the growth of dangerous dendrites.

Notes: Please try to store the self-standing SWCNT electrode sheet in a dry place and do vacuum drying (90-100 °C) for 12-24 h. 

References: 

1. J. Zeng, et al. Anchoring polyaniline molecule on 3D carbon nanotube meshwork as self-standing cathodes for advanced rechargeable zinc ion batteries, J. Power Sources, 2021, 508, 305-309.
2. P. Wu, et al. A Low-Cost, Self-Standing NiCo2O4@CNT/CNT Multilayer Electrode for Flexible Asymmetric Solid-State Supercapacitors, Adv Funct. Mater., 2017, 27, 1702160.