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Lithium Salt

Lithium difluorophosphate (LiPO2F2)

Lithium Salt available by request for quote from Winigen Materials.

Product Details

Lithium difluorophosphate

Lithium difluorophosphate (LiPO2F2) is usually evaluated as a low-level functional salt or additive rather than as the sole conducting salt.

Category
Lithium Salt
Abbreviation
LiPO2F2
CAS Number
24389-25-1
Availability
RFQ

Typical Specification

  • Grade: Battery grade
  • Purity: > 99.9%
  • Water: <= 50 ppm
  • Formula: LiPO2F2

Technical Selection Guide

Why use lithium difluorophosphate in electrolyte screening?

Lithium difluorophosphate (LiPO2F2) is usually evaluated as a low-level functional salt or additive rather than as the sole conducting salt. Phosphate-fluoride chemistry can influence electrode interphases, impedance growth, gas behavior, and high-temperature storage. It is particularly relevant when a team is screening additive packages for high-voltage cathodes, graphite, or silicon-containing anodes.

Why developers evaluate it

  • Useful low-loading interphase additive or co-salt
  • Relevant to impedance and storage-stability studies
  • Can complement borate, carbonate, or sulfur-containing additives

Development considerations

  • Concentration must be optimized against first-cycle efficiency
  • Water and impurity control remain important
  • Interactions with the full additive package can be nonlinear

How to compare it

LiPO2F2 should be compared against matched LiPF6 baselines and other functional salts such as LiDFOB. Evaluate formation, EIS, gas, retention, and high-temperature storage together.

Technical Profile

Lithium-Ion Electrolyte Applications

Lithium difluorophosphate (LiPO2F2) is a lithium electrolyte salt for lithium-ion electrolyte formulation, additive screening, and battery materials research. This material is available by RFQ for programs where low moisture, purity, and compatibility with carbonate or specialty solvent systems are key selection criteria.

  • Lithium-ion electrolyte formulation and salt screening
  • Carbonate, ether, or fluorinated solvent blend evaluation
  • Cell-development studies where low water content is important
  • Comparison with LiFSI, LiTFSI, LiBF4, and other lithium salts

Product FAQ

Common Questions

What is Lithium difluorophosphate (LiPO2F2) used for?

Lithium difluorophosphate (LiPO2F2) is used or screened for lithium-ion electrolyte formulation, salt screening, and battery research workflows. Winigen Materials can support RFQ-based supply and related electrolyte or battery materials development discussions.

What is the CAS number for Lithium difluorophosphate (LiPO2F2)?

The CAS number shown for Lithium difluorophosphate (LiPO2F2) is 24389-25-1.

What specifications are shown for Lithium difluorophosphate (LiPO2F2)?

The target specifications currently shown are battery grade, purity > 99.9%, and water <= 50 ppm. Final specifications, documentation, and available quantity can be confirmed during RFQ.

Can I request a quote for Lithium difluorophosphate (LiPO2F2)?

Yes. Use the request quote button on this page to pre-fill the product interest, category, and target specifications for Lithium difluorophosphate (LiPO2F2).