Self-Standing Multi-Wall Carbon Nanotubes (MWCNT) Electrode (100mm * 100mm) for Supercapacitor and Battery, CSBSSEMWCNT

A self-standing multi-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. MWCNTs 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: MWCNTs 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: MWCNT 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 MWCNT mats can host high-capacity materials like Silicon (Si) or Tin (Sn). The flexible MWCNT 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 MWCNT electrode sheet in a dry place and do vacuum drying (90-100 °C) for 12-24 h. 

References: 

1. A. Pendashteh, et al. Doping of Self-Standing CNT Fibers: Promising Flexible Air-Cathodes for High-Energy-Density Structural Zn–Air Batteries, ACS Appl. Energy Mater. 2018, 1, 6, 2434–2439.
2. P. Wu, et al. CNT-based electrodes for flexible aqueous zinc-ion batteries: progress and opportunities,  Mater. Chem. Front., 2025,9, 2844-2862.