Description
ATOMFAIR® LITHIUM DIFLUOROPHOSPHATERESEARCH GRADE MATERIAL
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Lithium difluorophosphate is a moisture-sensitive solid that must be stored under an inert atmosphere to prevent degradation. Exposure to ambient humidity can lead to hydrolysis and reduced performance in electrolyte applications.
- Inert Atmosphere Storage: Store inside an argon- or nitrogen-filled glovebox with oxygen and water levels below 1 ppm.
- Moisture Barrier Packaging: Keep the material in a hermetically sealed container with a moisture barrier to prevent ingress of atmospheric water.
- Temperature Control: Store at room temperature in a cool, dry location away from heat sources to maintain material stability.
How does the 99.5% purity of Lithium Difluorophosphate affect electrolyte performance compared to lower-purity alternatives?
The 99.5% purity ensures minimal transition metal and halide impurities that catalyze electrolyte decomposition at high voltage, directly improving cycle life and coulombic efficiency. Battery grade moisture specification further reduces HF evolution, a critical failure mode in NMC-based cells. Lower-purity grades (<99.0%) introduce side reactions that degrade capacity retention.
What are the key compatibility and integration constraints for using Lithium Difluorophosphate in a standard Li-ion electrolyte formulation?
Lithium Difluorophosphate (LiPO₂F₂) is a solid white powder that must be fully dissolved in anhydrous carbonate solvents (e.g., EC/DMC) under inert atmosphere to prevent hydrolysis. It is compatible with LiPF6 and common electrolyte salts, but requires rigorous moisture control (<20 ppm H₂O) to avoid forming HF and LiF precipitates, as indicated by its battery grade moisture designation.
What are the recommended storage and handling procedures for battery grade Lithium Difluorophosphate to maintain its 99.5% purity?
Store in an airtight, moisture-proof container within an argon-filled glovebox at <0.1 ppm H₂O and O₂ to preserve the low initial moisture content. The powder is hygroscopic; exposure to ambient air will absorb atmospheric water, degrading the battery grade specification and rendering it unsuitable for high-voltage electrolyte use. Handling must avoid static accumulation.
Lithium Difluorophosphate (LiPO₂F₂) at 99.5% purity and battery-grade moisture specification is evaluated as an additive for high-stability lithium battery electrolytes, offering consistent performance under dry handling conditions.
Positive
- High purity for electrolyte stability: The 99.5% purity grade minimizes contaminant interference, supporting consistent electrochemical performance and extended cycle life in lithium battery electrolytes.
- Battery-grade moisture control: Specified as battery grade moisture, the material meets stringent low-water-content requirements, reducing hydrolysis risks and preserving electrolyte integrity during storage and use.
Trade-offs
- Moisture sensitivity mandates dry handling: As a battery-grade moisture product, the powder is highly hygroscopic; exposure to ambient humidity can degrade purity and electrolyte performance, requiring inert-atmosphere handling (e.g., glovebox) for all processing steps.
- Solid form requires dissolution protocol: The material is supplied as a solid white powder, necessitating controlled dissolution in anhydrous solvents prior to electrolyte formulation, adding an extra processing step with potential for contamination if not performed under dry conditions.
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).
