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Anode Active Material

Hard carbon anode material

Hard carbon is the leading sodium-ion anode platform and is used for Na-ion full-cell development, electrolyte screening, and formation optimization.

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Product Details

Hard carbon anode material

Category
Anode Active Material
Availability
RFQ
Grade
Sodium-ion hard carbon, grade to be confirmed
Documents
SDS / COA / TDS

Typical Specification

  • D50 typically 5-12 um
  • Reversible sodium capacity commonly 280-330 mAh/g
  • Initial coulombic efficiency grade-dependent
  • Moisture typically <=500 ppm

Specifications vary by grade and production lot. Confirm the applicable COA or TDS, sampling method, and acceptance limits before cell qualification.

Use Cases

  • Hard carbon is the leading sodium-ion anode platform and is used for Na-ion full-cell development, electrolyte screening, and formation optimization.
  • Requested materials can be quoted for R&D, pilot-scale qualification, or production-scale sourcing after grade, particle-size, documentation, and packaging requirements are confirmed.
  • Typical supporting documents may include SDS, COA, and TDS depending on supplier lot and requested specification.

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Technical Selection Guide

How should Hard carbon anode material be evaluated?

Hard carbon anode material is an anode material for sodium-ion and specialty battery systems. Hard-carbon performance is governed by precursor, pore structure, defect chemistry, surface area, particle size, first-cycle efficiency, and the low-voltage plateau capacity.

Why developers evaluate it

  • Sodium-ion anode and electrolyte screening
  • Low-temperature and rate-capability studies
  • SEI and presodiation strategy development

Development considerations

  • Confirm first-cycle efficiency and plateau capacity
  • Control moisture, surface area, and electrode density
  • Match electrolyte and formation to the carbon grade

How to compare it

Compare hard carbons using matched electrode density and electrolyte quantity. Reversible capacity alone is insufficient; first-cycle sodium loss, rate capability, swelling, and low-temperature impedance are also decisive.

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