Lithium Cobalt Oxide (LCO) Cathode Material LiCoO2
CAS Number: 12190-79-3
Lithium cobalt oxide (LCO) is the original commercial cathode material, still dominant in consumer electronics (smartphones, laptops, tablets) due to its high volumetric energy density and flat discharge voltage. High-voltage LCO grades (4.45–4.50V) with surface coating deliver up to 180 mAh/g and extend cycle life.
Technical Specifications
| D50 (μm) | 12–18 |
| appearance | Gray powder |
| Co content (%) | 59.5–60.5 |
| moisture (ppm) | ≤300 |
| tap density (g/cm³) | ≥2.8 |
| capacity (mAh/g, 3.0–4.35V) | ≥155 |
Applications
- Smartphone and wearable Li-ion pouch cell cathode
- Laptop and tablet battery cathode active material
- High-voltage LCO (4.45V) consumer battery
- Drone and UAV thin pouch battery cathode
- IoT device battery cathode material
Key Features
- Highest volumetric energy density among cathodes, critical for slim consumer device batteries
- Aluminum/titanium surface doping extends high-voltage (4.45V) cycle life
- Flat 3.6–3.9V plateau provides stable device voltage throughout discharge
- Available in standard (4.2V), mid-voltage (4.35V), and high-voltage (4.45V) grades
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