Monodisperse Carbon Microsphere for Supercapacitor and Catalyst Support, 5 g/bottle, CSCSMCMS

Monodisperse carbon microspheres (MCMs) are prized for their extreme structural uniformity. Unlike standard carbon powders, which have a wide range of particle sizes, "monodisperse" means every sphere is nearly identical in microsize diameter.

The primary benefit of MCMs over polydisperse (random-sized) powders lies in the physics of packing: (1) Uniform Interstitial Voids: When identical spheres are packed together, they create a perfectly regular network of "gaps" (macropores) between them. This prevents the formation of "dead zones" where large particles block the paths of smaller ones, ensuring that the electrolyte can flow evenly through the entire electrode. (2) Predictable Diffusion Paths: In a monodisperse system, every ion travels a similar distance to reach an active site. This leads to very "sharp" electrochemical responses and prevents the local overheating that can occur in irregular powders. (3) High Packing Density: MCMs can be packed more tightly and uniformly onto substrates like your NiTi felt, leading to higher volumetric energy density (more storage in less space)

For Supercapacitors: Use MCMs with a uniform microscale size balances the high surface area (energy) with large enough interstitial gaps for fast ion flux (power). For Electrolyzer Electrodes: Apply the MCMs to your NiTi felt using a spray-coating "ink." Because they are monodisperse, they will form a smooth, consistent layer that won't "peel" or crack as easily as random carbon black under the pressure of gas bubble evolution.

The monodisperse carbon microspheres provide a "precision scaffold" for active catalyst material. (1) Smaller spheres provide more surface area per gram, which leads to higher mass activity and only need less noble metal (like Ru) for the same result. (2) Spherical geometry maximizes "corners" and "edges" at the nanoscale, which increases the number of high-energy active sites for OER/HER. 

Notes: Please try to store the monodisperse carbon microsphere powder in a dry place. 

References: 

1. R. Qiang, et al. Monodisperse carbon microspheres derived from potato starch for asymmetric supercapacitors, Electrochimica Acat. 2015, 167, 303-310.
2. J. Cheng, et al. Preparation and characterization of monodisperse, micrometer-sized, hierarchically porous carbon spheres as catalyst support, Chem Engineering J., 2014, 242, 285-293.