Description
390Wh/kg HIGH ENERGY DENSITY LITHIUM-ION POUCH CELLCOMMERCIAL GRADE · PRODUCTION
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VOLUME ORDERS & CUSTOM SOLUTIONS
Request a quote for sample quantities, pilot runs, or full-scale production. Our engineering team provides application support and design-in assistance.
INQUIRY@ATOMFAIR.COM
Global logistics · Fast sample delivery · Technical datasheets available
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Manufacturer: Atomfair LLC · Advanced Energy Storage Division
Brand: ATOMFAIR®
Specifications are representative and subject to change without notice. For the latest version and compliance certificates, contact official sales channel.
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Operate the cell strictly within 4.30V to 2.50V to prevent degradation or safety incidents. Store the cell in a dry, temperature-controlled environment away from conductive materials to avoid short circuits.
- Voltage Window Constraint: The cell must be charged and discharged only within the specified voltage range of 4.30V (maximum) and 2.50V (minimum).
How does the 390 Wh/kg gravimetric energy density of this NMC/SiC+Gr pouch cell trade off against cycle life under high-rate discharge conditions?
This cell achieves ≥500 cycles at 0.2C standard charge/discharge, but the high-energy NMC/SiC+Gr chemistry inherently sacrifices cycle life at elevated rates. At 2.0C max continuous discharge, capacity fade accelerates due to silicon anode expansion, and pulse discharge at 5.0C (≥50% SOC) further stresses the electrode interface, reducing longevity below the rated cycle life.
Can this 41 Ah pouch cell be integrated into a battery pack with existing NMC-based BMS systems without modifying charge voltage limits?
No, integration requires a BMS configured for the 4.30 V upper voltage limit and 2.50 V cutoff, which differs from standard NMC packs typically operating at 4.20 V max. The SiC+Gr anode also demands tailored charge profiles to prevent lithium plating at low temperatures, as the charge temperature range is restricted to 0°C to +45°C.
What are the critical handling and storage requirements for this high-energy-density pouch cell to prevent mechanical damage or thermal runaway?
The pouch cell format requires strict avoidance of puncture or compression beyond its 10.5 mm thickness, as the soft casing provides no rigid protection. Storage must be at ≤50% SOC in a dry, temperature-controlled environment between -20°C and +45°C to minimize self-discharge and prevent swelling from silicon anode volume changes during cycling.
The 390Wh/kg NMC/SiC+Gr pouch cell delivers exceptional gravimetric energy density and ultra-low internal resistance (≤1.2 mΩ), enabling efficient power delivery for weight-sensitive EV and portable storage applications. However, its restricted charge temperature range and moderate continuous discharge rate require careful thermal management and application matching.
Positive
- Ultra-high gravimetric energy density: With ≥390 Wh/kg, this cell provides one of the highest energy densities at the pouch format, directly extending runtime for EVs and advanced portable electronics while reducing system weight.
- Very low internal resistance: The ≤1.2 mΩ AC resistance minimizes ohmic heating and voltage drop during load, supporting excellent rate capability and thermal stability in high-drain applications.
Trade-offs
- Narrow charge temperature window: Charging is only permitted between 0°C and +45°C, prohibiting cold charging and requiring thermal management in sub-zero or high-temperature environments.
- Moderate continuous discharge rate: Maximum continuous discharge is limited to 2.0C, which may be insufficient for applications requiring sustained high-current draws beyond this rate.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
