Graphene Nanoplatelet (GNP) Battery Conductive Additive
CAS Number: 7782-42-5
Battery-grade graphene nanoplatelets (GNPs) are few-layer graphene structures offering a combination of 2D electron conduction, high in-plane conductivity, and mechanical reinforcement for battery electrodes. Used at 0.1–2 wt%, GNPs improve both the electronic and ionic transport within thick battery electrodes while reducing electrode sheet resistance.
Technical Specifications
| appearance | Black powder |
| layer count | ≤10 layers |
| carbon content (%) | ≥98 |
| lateral size (μm) | 1–25 |
| oxygen content (%) | ≤2 |
| BET surface area (m²/g) | 400–750 |
Applications
- NMC cathode 2D conductive network additive
- Silicon anode flexible conductive coating
- LFP cathode conductivity enhancer
- Solid-state battery composite electrode additive
- Supercapacitor electrode high-conductivity additive
Key Features
- High in-plane conductivity (>10³ S/m) provides superior electron pathways versus carbon black
- Large lateral size (1–25 μm) creates overlapping 2D network bridging particle gaps
- Mechanical flexibility accommodates electrode expansion without cracking
- Compatible with carbon black and CNT for synergistic 0D/1D/2D conductive networks
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