Single-Wall Carbon Nanotubes (SWCNTs, OCSiAl) Slurry as Conductive Electrode Additive, 100 g/bottle, CCEASWCNTS
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Single-walled carbon nanotubes (SWCNTs) are the "gold standard" of conductive additives for electrochemical systems. Unlike multi-walled nanotubes or carbon black, SWCNTs consist of a single layer of graphene rolled into a cylinder, giving them ballistic conductivity and a massive aspect ratio (length-to-diameter).
(1) In battery applications, SWCNTs act as "molecular ropes" that wrap around silicon particles, maintaining electrical contact even as the particles swell and shrink. SWCNTs allow for thicker electrodes without increasing internal resistance. This leads to higher energy density by reducing the amount of inactive current collector material needed.
(2) In electrolyzer and fuel cell application, SWCNTs provide a high-surface-area support for platinum nanoparticles. Research shows that Pt/SWCNT catalysts can achieve up to 3x higher power density per gram of platinum compared to standard carbon black supports. Moreover, Their high crystallinity makes them more resistant to the harsh, acidic, and high-voltage conditions of fuel cell start-up/shut-down cycles, significantly extending the device's lifespan.
(3) In supercapacitor system, SWCNT films are highly conductive that functions as both the active material and the current collector, creating ultra-lightweight and flexible energy storage for wearable electronics.
The single-wall carbon nanotube slurry (aqueous and non-aqueous) is ready-for-use in electrode slurry without extensive dispersion processing.
| Part Number |
CCEASWCNTS (C-CEA-SWCNTS) |
| Brand |
OCSiAl |
| Slurry Types |
1. Aqueous SWCNTs slurry in Water
2. Non-Aqueous SWCNTs slurry in NMP
|
| SWCNT Solid Content |
~0.4 wt% |
| Slurry Viscosity |
Aqueous: ~1000 cP Non-Aqueous: ~2500 cP |
| Package Size | 100 g/bottle |
Notes: Please try to store the SWCNTs slurry in a dry place (glovebox is the best option).
References:
- U. Dettlaff-Weglikowska, et al. Effect of Single-Walled Carbon Nanotubes as Conductive Additives on the Performance of LiCoO2-Based Electrodes, J. Electrochem. Soc., 2011, 158, A174.
- X. M. Fan, et al. Single-walled carbon nanotube as conductive additive for SiO/C composite electrodes in pouch-type lithium-ion batteries, Ionics, 2020, 26, 1721–1728.