Description
ATOMFAIR® SINGLE-SIDE LIFEPO4 COATED ALUMINUM FOIL CATHODE SHEETSRESEARCH GRADE MATERIAL
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TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official institutional quotations.
EMAIL: support@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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This single-sided LiFePO4-coated aluminum foil cathode requires careful orientation during cell assembly to avoid short circuits. The coating is applied only to one side, and the uncoated aluminum must face the anode separator.
- Orientation Requirement: Position the cathode sheet with the coated side facing the separator and the uncoated aluminum side facing the anode current collector.
How does the 17.4 mg/cm² coating areal density of the LiFePO4 cathode sheet affect its rate capability versus energy density trade-off in full-cell testing?
The 17.4 mg/cm² coating areal density is a deliberate compromise that balances ion diffusion kinetics against gravimetric capacity, delivering a design capacity of 160 mAh/g. The performance impact is explicitly stated as 'balanced rate/capacity,' and the coating architecture achieves <2% thickness variance to maintain electrochemical uniformity across the electrode.
Are these single-sided LiFePO4 cathode sheets directly compatible with standard coin cell and pouch cell formats, and what are the recommended anode and electrolyte pairing constraints?
Yes, the sheets are explicitly designed for coin cell and pouch cell fabrication, with a 120×120 mm coated area and a 20 mm pre-cut tab to eliminate handling damage. The single-sided coating on 3.3 mg/cm² aluminum foil requires pairing with a lithium metal or graphite anode in a half-cell or full-cell configuration, and the LiFePO4 chemistry is compatible with conventional LiPF6-based electrolytes.
What are the recommended storage and handling conditions for these LiFePO4 coated foil sheets to preserve electrode integrity prior to cell assembly?
The electrodes should be stored in a dry, inert environment (e.g., argon glovebox) to prevent moisture or oxygen exposure that could degrade the LiFePO4 coating. The pre-cut tab design reduces manipulation stress, and the sheets are supplied in a secure pack of five to minimize handling. No specific shelf life is stated, but immediate assembly after opening is recommended to preserve the <2% thickness variance and 96.25% active material ratio.
These single-sided LiFePO4 cathode sheets offer high active material purity (96.25%) and precise coating thickness for consistent performance in coin and pouch cell fabrication, but the fixed areal density and single-sided format constrain design flexibility.
Positive
- High active material purity: 96.25% active material ratio minimizes inert additives, maximizing energy density per gram and supporting 160 mAh/g design capacity for high-energy lithium-ion systems.
- Precision coating uniformity: <2% thickness variance achieved via optimized 17.4 mg/cm² coating on 3.3 mg/cm² aluminum substrate, ensuring reproducible electrochemical performance across sheets.
Trade-offs
- Single-sided coating limitation: Coating applied to only one side of the aluminum foil requires stacking two sheets for higher capacity, increasing cell assembly complexity and reducing volumetric energy density.
- Fixed areal density constraint: Coating areal density is fixed at 17.4 mg/cm², which may not be optimal for all cell designs or rate-capability requirements, limiting flexibility in electrode engineering.
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).
