Description
ATOMFAIR® LITHIUM HEXAFLUOROPHOSPHATEBATTERY GRADE / HIGH PURITY (99.9%)
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Lithium hexafluorophosphate is a highly hygroscopic crystalline salt that decomposes upon exposure to moisture or heat, releasing toxic phosphorus pentafluoride gas. Strict inert-atmosphere handling and low-temperature storage are mandatory to preserve chemical integrity and prevent hazardous decomposition.
- Moisture Sensitivity: The salt rapidly absorbs atmospheric water, leading to hydrolysis and evolution of PF5 gas.
- Thermal Decomposition: Heating the material above ambient temperatures accelerates decomposition, generating corrosive and toxic byproducts.
- Inert Atmosphere Requirement: All handling and storage must occur under dry argon or nitrogen to eliminate moisture contact.
- Container Integrity: The original container must remain hermetically sealed until use and be opened only inside a glovebox.
- Solvent Compatibility: Dissolution is limited to anhydrous carbonate solvents and lower alcohols; aqueous environments trigger immediate degradation.
This procedure outlines the critical steps for safely transferring and storing lithium hexafluorophosphate under inert conditions. Adherence to these steps prevents moisture ingress, thermal runaway, and exposure to hazardous decomposition products.
Required Equipment: Inert-atmosphere glovebox (argon or nitrogen), Pre-dried, sealable glass or PTFE container, Moisture-free spatula or scoop
- Inspect container
Inspect the original container for signs of damage, swelling, or moisture exposure before transferring to the glovebox. - Equilibrate in glovebox
Place the sealed container inside an inert-atmosphere glovebox and allow it to equilibrate for at least 30 minutes to equalize internal atmosphere. - Open and transfer
Open the container only inside the glovebox and transfer the required amount of LiPF6 into a pre-dried, sealable storage vessel. - Seal and store
Seal the storage vessel immediately and remove it from the glovebox for storage in a cool, dry location away from direct sunlight and heat sources. - Verify atmosphere
Confirm that the glovebox atmosphere remains below the critical moisture threshold throughout the process using a continuous moisture monitor.
How does the 99.9% purity level of ATOMFAIR LiPF6 affect its handling requirements and electrolyte performance?
The 99.9% purity minimizes impurity-driven side reactions, enhancing electrochemical stability for advanced battery research. However, the salt is highly hygroscopic and decomposes upon air or heat exposure, releasing PF5 and white smoke, so it must be handled under strict inert atmosphere and anhydrous conditions to maintain electrolyte integrity.
Is ATOMFAIR LiPF6 compatible with carbonate-based solvents for high-voltage lithium-ion battery electrolytes?
Yes, the product dissolves in low concentrations of carbonate organic solvents, making it directly compatible with standard carbonate-based electrolyte formulations used with high-voltage cathodes. Anhydrous solvent conditions are required due to its high moisture sensitivity.
What storage and safety precautions are necessary for ATOMFAIR LiPF6 to prevent hazardous decomposition?
Store in a cool, dry place away from moisture with containers tightly sealed to prevent ingress. Use appropriate PPE and work in a well-ventilated environment, as exposure to air or heat causes decomposition into PF5 and white smoke. Packaging complies with hazardous materials transportation standards.
This high-purity (99.9%) battery-grade LiPF6 electrolyte salt is suitable for advanced battery research, offering excellent solubility in carbonate organic solvents. However, its strong hygroscopicity and tendency to decompose upon exposure to air or heat necessitate stringent moisture-free handling and storage protocols.
Positive
- High Purity Battery Grade: 99.9% purity ensures minimal impurities for reliable and reproducible battery research results.
- Soluble in Carbonate Solvents: Dissolves in carbonate organic solvents, enabling direct formulation of electrolyte solutions for lithium-ion battery testing.
Trade-offs
- Highly Hygroscopic Material: Rapidly absorbs atmospheric moisture, requiring glovebox or dry-room handling to maintain purity and prevent decomposition.
- Decomposes on Air Exposure: Exposure to air or heat triggers decomposition, releasing corrosive PF5 gas and white smoke, demanding strict environmental controls.
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).
