Description
ATOMFAIR 0.2 Ah NCM811 Li-Cu Composite Anode Dry Pouch CellRESEARCH GRADE CELL ARCHITECTURE
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This dry pouch cell contains a lithium-copper composite anode and high-nickel NCM811 cathode requiring controlled handling. The cell operates within a 3.0V to 4.3V window and should be stored in a dry, inert atmosphere to prevent degradation.
- Voltage Operating Window Constraint: The cell is designed for operation between 3.0V and 4.3V and exceeding this range may cause cell damage or safety hazards.
- Storage Environment Requirement: Store the cell in a dry, inert atmosphere to mitigate moisture sensitivity of the lithium metal anode.
How does the Li-Cu composite anode in the Atomfair 0.2 Ah NCM811 dry pouch cell affect cycle life and variability reduction compared to a pure lithium foil anode?
The Li-Cu composite anode, with a 20+6+20 μm lithium-copper-lithium sandwich structure, provides superior structural stability over standalone pure lithium foils. This design mechanically reinforces the anode to suppress lithium dendrite growth and reduce electrode deformation, thereby minimizing test variable interference during high-voltage (3.0–4.3 V) electrolyte and additive screening. The composite construction enables more consistent capacity retention across repeat experiments, but specific cycle life numbers depend on the electrolyte system and formation protocol used by the researcher.
Does the Atomfair 0.2 Ah NCM811 dry pouch cell require electrolyte injection before testing, and what electrolyte compatibility constraints apply?
Yes, this cell is assembled without liquid electrolyte infusion and is delivered as a dry pouch stack, requiring the researcher to inject their own electrolyte prior to activation. The cell is designed for universal electrolyte screening across high-voltage systems, with the 12 μm PE + 2 μm Al₂O₃ ceramic separator providing thermal and mechanical stability. No specific electrolyte chemistries are precluded, but the recommended voltage window of 3.0–4.3 V must be observed to avoid over-discharge or over-charge degradation of the NCM811 cathode.
What storage and handling conditions are required for the Atomfair Li-Cu composite anode dry pouch cell to maintain anode integrity and safety?
The dry pouch cell contains an unformed lithium-copper composite anode (20+6+20 μm) that is air-sensitive; storage must be in an inert atmosphere (e.g., argon-filled glovebox with <0.1 ppm O₂ and H₂O) to prevent lithium oxidation. The cell should be kept in its original packaging until use and protected from mechanical puncture. Prior to testing, a controlled formation cycle within the 3.0–4.3 V window at a low C-rate is recommended to stabilize the solid-electrolyte interphase (SEI) on the anode surface.
This 0.2 Ah dry pouch cell pairs an ultra-high nickel NCM811 cathode (97.2% active mass, 190 mAh/g) with a Li-Cu composite anode (20+6+20 μm) for mechanically stable benchmarking of high-voltage electrolytes and functional additives, but necessitates in-house electrolyte filling and additive customization prior to cycling.
Positive
- Li-Cu composite anode structural stability: The substrate-supported 20+6+20 μm lithium-copper sandwich anode eliminates mechanical deformation common with pure lithium foils, delivering consistent electrode geometry for reliable variable elimination in electrolyte and interface screening.
- High cathode active mass and capacity: With a 97.2% active material fraction and 190 mAh/g baseline specific capacity, the NCM811 cathode provides high energy density and serves as a reproducible benchmark for evaluating electrolyte formulations and high-voltage stability.
Trade-offs
- Dry cell requires electrolyte filling: Assembled without liquid electrolyte infusion, each cell must be filled and formed in the user’s laboratory, requiring electrolyte handling infrastructure, dry-room or glovebox access, and expertise in wet chemistry procedures.
- Un-functionalized design requires additive customization: As an un-functionalized baseline cell, it is explicitly intended for electrolyte and additive screening; the end user must incorporate their own functional additives or custom electrolytes, adding an additional preparation step before electrochemical testing.
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 for completely unopened items).
