Description
WIDE TEMPERATURE RANGE 21700 TABLEtS LITHIUM-ION BATTERY (4-Pack)COMMERCIAL GRADE · PRODUCTION
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TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official institutional quotations.
EMAIL: INQUIRY@ATOMFAIR.COM
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MANUFACTURER: ATOMFAIR LLC
BRAND: ATOMFAIR®
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The battery requires storage within a controlled temperature environment to prevent capacity loss and safety risks. Avoid exposure to moisture, physical impact, and extreme voltages.
- Low Impedance Requirement: Low impedance (≤3.5 mΩ) necessitates clean contact surfaces for optimal performance.
- High-Rate Discharge Thermal Management: High-rate discharge at 15C continuous demands adequate thermal management to avoid overheating.
- Wide Temperature Range Capability: Wide temperature range capability allows operation from sub-zero to elevated temperatures.
- Tabless Design Benefit: Tabless design eliminates conventional current collectors, reducing internal resistance.
- NCM Silicon Oxide Chemistry Handling: NCM silicon oxide chemistry requires careful voltage management to ensure cycle life.
Follow these steps to safely initialize and use the battery for high-power applications. Proper handling ensures performance and longevity while minimizing risk.
Required Equipment: Charger, Multimeter, Thermal sensor
- Inspect the battery
Inspect the battery casing for dents, leaks, or other damage before first use. - Measure initial voltage
Measure the initial open-circuit voltage to confirm it is within the safe operating range. - Connect charger
Connect the battery to a charger set to the correct CC/CV profile for NCM chemistry. - Monitor temperature during charge
Monitor the battery temperature during charging to ensure it stays within safe limits. - Verify discharge current
For high-rate discharge, verify the load current does not exceed the 15C rating (75 A).
How does the tabless architecture in this 21700 cell affect internal resistance and thermal management under 15C continuous discharge?
The tabless design eliminates standard current collectors, reducing AC internal resistance to ≤3.5 mΩ at 50% state of charge. This low impedance enables a 15C high rate continuous discharge (75A) while balancing internal heat profiles safely, with a thermal cut-off at 80°C to prevent thermal runaway under sustained high loads.
Can this NCM silicon oxide battery be integrated into existing 21700 battery packs designed for standard lithium-ion cells without BMS reconfiguration?
Integration requires BMS reconfiguration due to the cell's unique voltage range of 4.20V cut-off to 2.50V cut-off and its NCM / Gr+SiOx chemistry, which has different charge/discharge profiles than standard LCO or LFP cells. The 5.0Ah capacity and ≤3.5 mΩ impedance also demand updated current limits and thermal monitoring to handle the 15C continuous discharge and 30C pulse discharge safely.
What are the specific storage and handling requirements for this wide temperature range lithium-ion battery to maintain performance at -60°C?
For discharge down to -60°C, the cell must be stored at temperatures above 0°C prior to use, as the charge temperature range is limited to 0°C to +60°C. The cell should be kept at 50% state of charge for long-term storage to minimize impedance growth, and handling must avoid physical damage to the tabless cylindrical form factor (21 mm × 70 mm) to prevent internal short circuits.
This tabless 21700 NCM/SiOx cell delivers high energy density (≥250 Wh/kg) and exceptional high-rate discharge (15C continuous) across a wide -60°C to +60°C range, but requires strict charge temperature compliance (0°C min) and active thermal management for sustained high-power operation.
Positive
- Tabless architecture for balanced heat: The tabless cylindrical configuration eliminates standard current collectors, reducing internal resistance to ≤3.5 mΩ and balancing internal heat profiles under continuous high loads, enabling stable 15C discharge.
- Extreme low-temperature discharge capability: The cell supports discharge from -60°C to +60°C at 15C continuous rate, making it suitable for severe environmental deployment in aerospace and electric vehicle powertrains.
Trade-offs
- Charge restricted above 0°C: While discharge extends to -60°C, charging is limited to 0°C to +60°C, preventing cold-temperature charging that could induce lithium plating and capacity degradation.
- Thermal cut-off under high-rate load: At maximum continuous discharge of 15C, the cell activates a thermal cut-off at 80°C; similarly, max continuous charge cuts off at 60°C, requiring active cooling or duty-cycle management in demanding 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).
