Lithium-Ion Pouch Cell 41Ah 390Wh/kg NMC/SiC+Gr ATOMFAIR®

$170.00

Institutional Procurement & Supply Compliance: As a verified US supplier, Atomfair accepts formal institutional Purchase Orders (POs), contract billing schedules, and custom procurement loops for university and national laboratories, and corporate R&D departments globally.

Commercial grade NMC/SiC+Gr pouch cell, 41.0 Ah at 3.5 V, ≥390 Wh/kg and ≤1.2 mΩ IR, with ≥500 cycles for EV, drone, and storage packs. Order now.

Description

390Wh/kg HIGH ENERGY DENSITY LITHIUM-ION POUCH CELL | ATOMFAIR

COMMERCIAL GRADE · PRODUCTION

Product Overview

Engineered for demanding energy storage applications, this premium pouch cell utilizes an advanced NMC / SiC + Gr chemistry matrix to deliver 390Wh/kg gravimetric energy density. Designed for production-level consistency and reliable performance, it serves as a high-performance power source for electric vehicles, advanced portable electronics, and stationary storage systems. Achieve proven ≥500 cycle life with superior transfer kinetics, ultra-low internal resistance (≤1.2 mΩ), and excellent thermal stability, enabling next-generation system integration. For bulk inquiries or official volume quotations, please contact us via email at inquiry@atomfair.com.

Technical Specifications

PARAMETER VALUE
1. Core Device & Electrochemical Design
Cell Format Pouch Cell
Cell Chemistry NMC / SiC + Gr (Nickel Manganese Cobalt / Silicon Carbon + Graphite)
Rated Capacity / Rated Voltage 41.0 Ah / 3.5 V (@ 0.2C)
Voltage Range 4.30 V – 2.50 V
AC Resistance (mΩ) ≤ 1.2 mΩ (@ 50% SOC)
2. Cathode & Charge Parameters
Standard Charge Current 0.2 C
Max. Continuous Charge 1.0 C (15°C ~ 40°C)
Charge Temperature Range 0°C ~ +45°C
3. Anode & Discharge Parameters
Standard Discharge Current 0.2 C
Max. Continuous Discharge 2.0 C
Pulse Discharge Current (5s) 5.0 C (≥ 50% SOC)
Discharge Temperature Range -20°C ~ +45°C
4. Physical Package & Energy Metrics
Estimated Dimension (mm) 10.5 × 88 × 187 (T × W × L)
Estimated Weight 367 g
Gravimetric Energy Density ≥ 390 Wh/kg (@ 0.2C)
Volumetric Energy Density ≥ 810 Wh/L (@ 0.2C)
Cycle Life @25°C, 4.20-2.75V ≥ 500 cycles (0.5C/0.5C)

Key Features & Advantages

  • Ultra-High Energy Architecture: Optimized NMC / SiC + Gr formulation delivers gravimetric energy density of ≥390 Wh/kg and volumetric density of ≥810 Wh/L, enabling compact high-power system designs for EVs and drones.
  • Superior Transfer Kinetics: Engineered with ultra-low internal resistance (≤1.2 mΩ), supporting continuous discharge up to 2.0C and pulse discharge up to 5.0C (5s) for demanding dynamic loads.
  • Excellent Phase & Thermal Stability: The advanced soft pouch packaging supports reliable operational integration between -20°C and +45°C while maintaining structural integrity over 500+ cycles (0.5C/0.5C) and coulombic efficiency >99.5%.
  • Production-Ready Traceability: Every cell includes detailed test report for capacity, IR, thickness, and OCV, ensuring full quality chain for commercial integration.

IMPORTANT NOTICE: This high-energy density cell is sensitive to mechanical stress and overcharge conditions. Keep original packaging until use and follow recommended charge/discharge profiles. Store in dry, ventilated area between 15-30°C. Do not disassemble or expose to fire.
TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official institutional quotations.
EMAIL: INQUIRY@ATOMFAIR.COM
MANUFACTURER: ATOMFAIR LLC
BRAND: ATOMFAIR®

This document outlines the critical environmental, electrical, and mechanical constraints for safe handling and operation of the NMC/SiC+Gr pouch cell. Adherence to these constraints is required to prevent capacity degradation, thermal runaway, or mechanical failure.

  • Storage Conditions: Store the cell in its original packaging in a dry, ventilated area maintained between 15°C and 30°C to preserve electrochemical stability.
  • Charge Constraints: Charge the cell only within 0°C to 45°C using a CC/CV profile with a maximum continuous current of 1.0C to avoid overcharge or thermal stress.
  • Discharge Constraints: Discharge the cell between -20°C and 45°C without exceeding 2.0C continuous or 5.0C for 5-second pulses above 50% SOC.
  • Mechanical Handling: Avoid mechanical stress, puncture, or deformation; keep the cell in its original packaging until use to maintain structural integrity.
  • Safety Precautions: Never disassemble, short-circuit, or expose the cell to fire, and stop use immediately if swelling or leakage is observed.

Follow these steps to safely deploy the lithium-ion pouch cell for testing or integration into a battery system. Always adhere to the specified electrical and thermal limits to ensure safe operation.

Required Equipment: Standard CC/CV lithium-ion charger, Voltmeter

  1. Inspect Packaging
    Inspect the cell packaging for any signs of damage, swelling, or leakage before use.
  2. Store Cell
    Store the cell in a dry, ventilated area maintained between 15°C and 30°C until deployment.
  3. Precondition Temperature
    Transfer the cell to an environment within 0°C to 45°C for charging operations.
  4. Connect Charger
    Connect the cell to a CC/CV charger set to the standard 0.2C current profile.
  5. Monitor Voltage
    Verify that the cell voltage remains within the 2.50V to 4.30V safe operating window during charging.
  6. Discharge Within Limits
    Ensure the ambient temperature stays between -20°C and 45°C and limit continuous current to 2.0C during discharge.
  7. Emergency Response
    Discontinue use immediately if the cell swells, leaks, or shows any abnormality, and never disassemble or expose it to fire.

How does the ultra-high energy density of 390 Wh/kg affect the cycle life and rate capability of this NMC/SiC+Gr pouch cell?

The cell maintains a cycle life of ≥500 cycles at 0.5C/0.5C with 390 Wh/kg energy density, supported by ultra-low internal resistance ≤1.2 mΩ. However, continuous discharge is limited to 2.0C and pulse discharge to 5.0C for 5 seconds, indicating a trade-off where high energy density does not significantly compromise cycle life but restricts high-rate capability compared to lower-energy cells.

What are the required charge and discharge temperature ranges and voltage limits for integrating this 41 Ah pouch cell into a battery pack?

Charge temperature range is 0°C to +45°C with max continuous charge 1.0C, while discharge range is -20°C to +45°C. The voltage window is 4.30V to 2.50V with a rated voltage of 3.5V at 0.2C. These parameters must be strictly observed to ensure safe operation and prevent overcharge or mechanical stress.

What storage conditions and safety precautions are required for this high-energy density lithium-ion pouch cell?

Store the cell in its original packaging in a dry, ventilated area between 15-30°C. It is sensitive to mechanical stress and overcharge conditions; therefore, follow recommended charge/discharge profiles, do not disassemble, and avoid exposure to fire. The cell should be kept in controlled temperature and humidity to preserve integrity.

This NMC/SiC+Gr pouch cell provides ultra-high gravimetric energy density of 390 Wh/kg and volumetric density of 810 Wh/L, coupled with ≤1.2 mΩ internal resistance for high-rate discharge, but is constrained by sensitivity to mechanical stress and overcharge, and a charge temperature range limited to 0°C–45°C.

Positive

  • Ultra-high gravimetric and volumetric energy density: ≥390 Wh/kg and ≥810 Wh/L enable compact, high-energy system designs for EVs, drones, and portable electronics.
  • Excellent transfer kinetics with low internal resistance: ≤1.2 mΩ IR supports continuous 2.0C discharge and 5.0C pulse discharge, suitable for dynamic high-power loads.

Trade-offs

  • Sensitive to mechanical stress and overcharge: Cell requires careful handling, storage in original packaging, and operation within specified charge/discharge profiles to prevent damage.
  • Limited charge temperature range: Charging is only permitted between 0°C and +45°C, restricting cold-weather applications or requiring thermal management.

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 excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).

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