Description
ATOMFAIR® NCM811-S03 LITHIUM NICKEL COBALT MANGANESE OXIDE (NCM811) ELECTRODE SHEETRESEARCH GRADE MATERIAL | DRY PROCESS
|
|||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||
|
TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official quotations.
EMAIL: inquiry@atomfair.com
|
|||||||||||||||||||||||||||||||||||||||||
|
Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
|
|||||||||||||||||||||||||||||||||||||||||
The NCM811 cathode is moisture-sensitive and must be stored in an inert atmosphere to prevent degradation. Exposure to air, moisture, or electrical short circuits can cause capacity loss or thermal runaway.
- Moisture sensitivity: Store the electrode sheets in an argon-filled glovebox with <0.1 ppm H2O to avoid lithium leaching and structural degradation.
- Inert atmosphere requirement: Unpack and handle all sheets exclusively under inert gas to prevent reaction with oxygen and moisture.
- Short circuit prevention: Keep the cathode sheets electrically isolated from conductive surfaces to avoid localized heating or thermal runaway.
- Mechanical integrity: Handle the carbon-coated aluminum substrate with non-metallic tweezers to avoid tearing or delamination of the coating.
This procedure covers safe unpacking, inspection, and preconditioning of the dry-process cathode sheets. Follow these steps in an argon glovebox to maintain material integrity and ensure reproducible electrochemical testing.
Required Equipment: Argon-filled glovebox (<0.1 ppm O2, <0.1 ppm H2O), Ceramic scissors, Vacuum oven, Coin cell crimping set
- Inspect electrodes
Visually examine each sheet for coating defects, wrinkles, or discoloration before transferring to the glovebox. - Transfer to glovebox
Place the sealed pack inside the glovebox antechamber and perform three purge-refill cycles before opening. - Cut to dimensions
Cut the electrode sheet to the desired shape and size using ceramic scissors to avoid metal contamination. - Vacuum dry
Dry the cut electrodes in a vacuum oven at 80°C for 12 hours to remove residual moisture from the coating. - Assemble coin cell
Quickly transfer the dried cathode to the cell stack with separator, lithium anode, and electrolyte, then crimp the cell.
How does the carbon-coated aluminum current collector in this NCM811 electrode reduce interfacial resistance compared to uncoated foil?
The carbon-coated aluminum current collector reduces interfacial resistance by cutting internal resistive boundaries and limiting degradation risks, as stated in the product description. This carbon layer improves electronic contact between the active material and the current collector, enhancing overall electrode conductivity and electrochemical performance.
How does the dry-process coating method affect the electrode's compatibility with standard liquid electrolytes and separator materials?
The dry process ensures robust mechanical integrity and pristine film uniformity, as indicated in the product description. This results in consistent electrode structure and good adhesion, making the electrode fully compatible with standard electrolyte formulations and separators used in lithium-ion battery R&D without the risks of solvent residue or delamination.
Why is vacuum baking at 100°C for 12 hours required before using this NCM811 electrode sheet?
The product description specifies that a standard preparation timeline of 12 hours under vacuum baking at 100°C is required to remove adsorbed moisture from the electrode. NCM811 is moisture-sensitive, and this drying step prevents hydrolysis and surface degradation, ensuring reliable electrochemical evaluation during laboratory research.
This NCM811 cathode sheet features a 96% active material ratio with 30 mg/cm² areal loading via dry process, enabling high-fidelity electrochemical testing, but mandates 12-hour vacuum baking at 100°C and offers only fixed coating dimensions.
Positive
- High Active Material Ratio: A 96.00% active-material loading ensures minimal binder and conductive-additive interference, delivering precise electrochemical performance data for R&D validation.
- Dry Process Film Uniformity: The solvent-free dry coating process provides robust mechanical integrity and pristine film uniformity, reducing variability in electrode thickness and density across the coated area.
Trade-offs
- Required Vacuum Baking: Standard preparation mandates 12 hours of vacuum baking at 100°C, demanding a vacuum oven and careful scheduling before cell assembly.
- Fixed Coating Dimensions: The coating area is fixed at 120×90 mm on a 140×90 mm substrate; alternative sizes require custom inquiry, limiting flexibility for non-standard cell geometries.
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).
