Product Description:
Overview: A high-energy density 44140 pouch-type dry cell utilizing an NCM811 cathode and lithium metal anode. This cell is provided in a non-electrolyte-injected state, allowing for direct electrolyte performance testing.

Cell Core Parameters:
– Active Material Content: 96.00%
– Double-Sided Areal Density: 48 mg/cm²
– Layer Configuration (Pos/Neg): 5 / 6 layers
– Electrode Dimensions: 3.9 cm * 11.9 cm
– Compaction Density: 3.30 g/cm³

Structural Dimensions:
– Width: 128 mm
– Length (Excl. Tabs): 137.5 ± 1.5 mm
– Top Edge Width: 14.0 ± 0.5 mm
– Tab Width/Thickness: 12.0 ± 0.1 mm / 0.2 ± 0.01 mm
– Tab Length (Incl. Sealant): 18.0 ± 1.0 mm
– Tab Sealant Size: 1 ± 0.5 mm

Testing & Performance Reference:
– Recommended Voltage Range: 2.8 V – 4.2 V
– Recommended Electrolyte Injection: 2 g/Ah
– Energy Density: > 380 Wh/kg (at recommended injection volume)
– Internal Resistance: < 10 mOhm (post-injection) Operational Process Reference: 1. Injection: Complete electrolyte injection in a glovebox. 2. Resting: Ambient temperature standing with gas bag for >= 24 hours.
3. Activation: 0.1C constant current/constant voltage (CC/CV) charge followed by 0.5C discharge to 2.8 V (1 cycle).
4. Testing: Set specific rate or cycle steps for evaluation.