Description
410Wh/kg HIGH ENERGY DENSITY LITHIUM-ION POUCH CELL – ATOMFAIRCOMMERCIAL 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.
EMAIL: 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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This document outlines critical operational constraints for the 410Wh/kg NMC/Gr+SiC pouch cell. Maintaining voltage between 2.50 V and 4.30 V is essential to prevent irreversible capacity loss or thermal runaway.
- Voltage Window Constraint: The cell must be operated within a voltage window of 2.50 V to 4.30 V to avoid overdischarge or overcharge damage.
- Mechanical Integrity Requirement: The pouch must be free of cuts, punctures, or swelling before installation to prevent electrolyte leakage or internal short circuits.
- Storage Environment Recommendation: Store the cell in a dry, non-conductive area at moderate room temperature to minimize self-discharge and preserve cycle life.
This procedure provides steps for safely handling and preparing the pouch cell for integration. Proper voltage verification and mechanical inspection are critical before use.
Required Equipment: Digital multimeter
- Inspect pouch integrity
Inspect the pouch cell for any visible damage, swelling, or leaks before handling. - Verify open circuit voltage
Measure the open circuit voltage with a digital multimeter to confirm it lies between 2.50 V and 4.30 V. - Connect to battery management system
Connect the cell to a certified battery management system to monitor voltage and prevent operation outside safe limits.
How does the 410 Wh/kg gravimetric energy density of this NMC silicon carbon pouch cell trade off against cycle life under high-rate discharge conditions?
This cell achieves ≥500 cycles at 0.2C standard charge/discharge, but its high energy density architecture imposes a trade-off under sustained high-rate discharge. The maximum continuous discharge is 2.0C, and pulse discharge up to 5.0C for 5 seconds is only permitted above 50% state of charge, indicating that repeated high-rate cycling will accelerate capacity fade beyond the rated cycle life.
Can this 70 Ah pouch cell be integrated into an existing battery management system designed for standard NMC cells without modifying charge voltage limits?
No, integration requires a BMS configured for the cell's specific voltage window of 4.30 V to 2.50 V, which differs from typical NMC cells that operate at 4.20 V maximum. The rated voltage is 3.4 V at 0.2C, and the charge temperature range is restricted to 0°C to +35°C, so the BMS must also enforce these thermal and voltage limits to prevent overcharge or operation outside safe conditions.
What are the critical handling and storage requirements for this high-energy-density lithium-ion pouch cell to prevent mechanical damage or thermal runaway?
The pouch cell format is mechanically compliant and must be handled with care to avoid puncture or deformation; it has no rigid casing. Storage should be within the discharge temperature range of -20°C to +45°C, and charging is only permitted between 0°C and +35°C. The ultra-low internal resistance of ≤1.0 mΩ means external short circuits can deliver extremely high currents, so terminals must be insulated during storage and transport.
The 410 Wh/kg NMC/SiC pouch cell delivers exceptional gravimetric energy density for weight-sensitive EV and portable applications but imposes a narrow charge temperature window and a moderate cycle life of ≥500 cycles that require thermal management and lifecycle planning.
Positive
- Ultra-high gravimetric energy density: At 410 Wh/kg, this cell provides one of the highest energy densities in a commercial pouch format, enabling lighter battery packs for electric vehicles and high-capacity portable systems.
- Ultra-low internal resistance: AC internal resistance ≤1.0 mΩ minimizes ohmic losses during charge/discharge, supporting efficient power delivery and reduced thermal buildup under load.
Trade-offs
- Restricted charge temperature range: Charging is only permitted between 0°C and +35°C; operation outside this window, especially below freezing, requires active thermal preconditioning to avoid lithium plating and capacity loss.
- Moderate cycle life specification: Rated for ≥500 cycles, this cell may require more frequent replacement in long-duration stationary storage versus LFP chemistries, increasing total cost of ownership in high-cycle applications.
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).
