Description
46120 HIGH-NICKEL NCM CYLINDRICAL BATTERY SERIES |
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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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Store cells at room temperature (20–25 °C) in a dry, non-condensing atmosphere to minimize electrolyte degradation. Keep terminals insulated to prevent accidental short circuits and avoid exposure to conductive materials.
- Charge Rate Limitation: Charge only at the recommended C-rate (0.33 C for initial conditioning or the rated charge rate from the specification table) to prevent overcurrent damage.
- Mechanical Protection: Protect cells from physical impact, puncture, or deformation to avoid internal short circuits and thermal runaway.
- Voltage Window Compliance: Operate strictly within the nominal voltage of 3.6 V; do not discharge below 2.5 V or charge above 4.2 V per cell to maintain safety and cycle life.
This procedure ensures safe conditioning and integration of the cells into a battery pack or test system. Follow these steps to minimize risk and maximize performance repeatability.
Required Equipment: Insulated gloves, Voltage multimeter, Constant-current/constant-voltage (CC‑CV) charger
- Visual Inspection
Inspect each cell for visible dents, swelling, cracks, or electrolyte leakage before handling. - Voltage Verification
Measure the open-circuit voltage with a multimeter to confirm it is within the safe range of 2.5 V to 3.6 V for storage condition. - Initial Charge
Charge the cell at a constant current of 0.33 C (e.g., 13.1 A for the 39.7 Ah variant) until the voltage reaches 4.2 V, then hold at constant voltage until current drops to 0.05 C. - Rest and Stabilization
Allow the charged cell to rest for at least 30 minutes before electrical testing or assembly to let the internal chemistry stabilize.
What is the trade-off in cycle life between the high-rate AF46120NCM01 and high-capacity AF46120NCM02 variants?
The high-rate AF46120NCM01 variant delivers >1500 cycles at 70% SOH with a 3C/5C charge/discharge rate, while the high-capacity AF46120NCM02 variant achieves >2000 cycles at 70% SOH but is limited to a 1C/2C rate. This trade-off reflects the NCM01's optimized low-impedance architecture for power applications versus the NCM02's higher energy density of 45 Ah for extended runtime systems.
Can the 46120 High-Nickel NCM cells be integrated into existing EV battery packs without modifying the thermal management system?
Integration requires careful thermal management assessment due to the cells' low impedance (≤8 mΩ) and high-rate capability, which can generate significant heat under sustained 3C/5C discharge for the AF46120NCM01 variant. The tabless design and AI-driven electrode calendering mitigate hot-spot formation, but existing systems must accommodate the cells' moisture sensitivity, requiring dry-room assembly protocols with < -40°C dew point before first formation cycle.
What are the mandatory storage and handling conditions for these high-nickel NCM cylindrical cells to prevent degradation?
These cells must be stored in an environment with <30% relative humidity to prevent gas evolution and capacity fade, as high-nickel NCM cathodes are moisture-sensitive. Pre-assembly handling requires dry-room protocols with a dew point below -40°C before the first formation cycle, and cells are shipped in vacuum-sealed moisture-barrier industrial cartons with integrated short-circuit protection.
The 46120 High-Nickel NCM series offers two optimized variants (39.7 Ah high-rate and 45 Ah high-capacity) with low internal resistance (≤8 mΩ) and cycle life exceeding 1500 cycles, but requires stringent moisture control (<30% RH, dry-room assembly) to prevent gas evolution and capacity fade.
Positive
- High-Nickel NCM with reduced cobalt: Ni-rich layered oxide (Ni≥80%) delivers ≥200 mAh/g specific capacity while lowering cobalt content for reduced cost per kWh.
- Low impedance and robust cycle life: Tabless design and AI-driven calendering achieve ≤8 mΩ internal resistance, with cycle life exceeding 1500 cycles (NCM01) or 2000 cycles (NCM02) at 70% SOH.
Trade-offs
- Moisture-sensitive storage requirement: Cells must be stored in <30% RH environment; failure to do so risks gas evolution and irreversible capacity fade.
- Dry-room assembly protocol mandatory: Before first formation cycle, dry-room conditions (< -40°C dew point) are required to prevent moisture-induced degradation of the high-nickel cathode.
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).
