PAC-Q series carbon product
PAC-Q silicon silicon carbon product
PAC-Q series carbon product
PAC-Q silicon silicon carbon product

PAC-Q Series Spherical Resin Silicon-Carbon Precursor | Fluidized-Bed Precision Grade

Spherical resin silicon-carbon precursor with near-perfect sphericity. Fluidized-bed activation delivers uniform pore architecture for premium battery anodes.

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Applications:

Overview

Spherical resin-based precursor manufactured in fluidized-bed equipment using steam/CO₂ dual-activation. The near-perfect sphericity enhances particle packing density and creates uniform interstitial voids for electrolyte wetting. This geometry is specifically engineered for high-end silicon-carbon anodes where coating thickness uniformity directly impacts cell cycle life. Suitable for heterogeneous catalyst carriers, silicon-carbon anode precursors, and advanced electrochemical applications.

Specification

Technical SpecificationsPAC-Q85PAC-Q95Unit
Total pore volume0.85±0.030.95±0.03cm³/g
Specific surface area1850±1001950±100m²/g
Average pore size≤1.9≤1.9nm
Micropore volume ratio>85>85%
Moisture content<1<1%
Ash content<0.2<0.2%
Particle size D104±14±1μm
Particle size D508±18±1μm
Particle size D9014±114±1μm
PH value6~86~8
Magnetic substance<2<2ppm

Key application areas

  • High-end silicon-carbon anodes for EV and aviation batteries
  • Precision catalyst supports requiring uniform flow dynamics
  • Solid-state battery research programs
  • New energy and electrochemical fields

Morphology Lock

  • Spherical particles eliminate sharp edges that cause electrode coating defects and slurry segregation.
  • Moisture below 1% and ash below 0.2%—the lowest ash ceiling in the precursor portfolio—minimize side reactions with electrolyte salts.
  • Fluidized-bed activation ensures every sphere receives identical gas exposure, delivering unmatched batch-to-batch pore uniformity.
  • Higher tap density reduces electrode porosity, increasing volumetric energy density of the finished cell.

  • Q
    What advantage does spherical morphology provide in electrode manufacturing?
    A

    Near-perfect spheres pack more uniformly than irregular particles, creating consistent interstitial voids for electrolyte wetting. This eliminates coating thickness variation—a major cause of cell cycle life scatter.

  • Q
    Is fluidized-bed activation scalable to mass production?
    A

    Yes. PureStar's proprietary fluidized-bed equipment is designed for industrial-scale production with the same uniformity achieved at pilot scale.

  • Q
    Can spherical precursors be used with standard slurry mixing equipment?
    A

    Yes. The spherical shape actually improves slurry flow characteristics and reduces mixer wear compared to angular particles.

Packaging & Shipping

Packaging:

To meet diverse customer requirements, our activated carbon is available in multiple packaging options:

  • 20 kg/bag – Ideal for laboratory use, pilot testing, and small-scale applications.
  • 500 kg/bag – Bulk packaging designed for large-scale industrial production.
  • Customized packaging available upon request.

All packages are engineered to maintain quality and prevent moisture absorption.

Shipping:

  • Fast delivery within 15-30 days
  • Export standard packaging
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