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Additive

Trimethylsilyl phosphite (TTPi)

Additive available by request for quote from Winigen Materials.

Product Details

Trimethylsilyl phosphite

Trimethylsilyl phosphite (TTPi) is a phosphorus- and silicon-containing additive screened for reactive-species scavenging and cathode-interface control.

Category
Additive
Abbreviation
TTPi
CAS Number
1795-31-9
Availability
RFQ

Typical Specification

  • Grade: Battery material grade
  • Formula: C9H33O6PSi3
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Technical Selection Guide

Why is Trimethylsilyl phosphite (TTPi) evaluated as an electrolyte additive?

Trimethylsilyl phosphite (TTPi) is a phosphorus- and silicon-containing additive screened for reactive-species scavenging and cathode-interface control. It is relevant to high-voltage and high-temperature electrolyte packages.

Why developers evaluate it

  • Relevant to HF/water control and CEI-forming additive packages
  • Supports mechanism-based single-additive and package screening
  • Can be compared through formation, EIS, gas, and retention

Development considerations

  • Evaluate additive consumption, gas, and long-term impedance
  • Additive interactions may differ from single-component results
  • Benefits must be confirmed at realistic voltage, loading, and temperature

How to compare it

Use a structured matrix with an additive-free baseline, several concentrations, and the intended multi-additive package. Track first-cycle efficiency, impedance, gas or swelling, rate capability, high-temperature storage, and cycle retention rather than judging the additive from one metric.

Technical Profile

Electrolyte Additive Applications

Trimethylsilyl phosphite (C9H33O6PSi3) is an electrolyte additive candidate for formulation optimization, interphase control, and performance screening. It can support additive-package development for lithium-ion, sodium-ion, high-voltage, high-rate, or low-temperature electrolyte systems.

  • Electrolyte additive screening and formulation optimization
  • SEI/CEI interphase, gas, impedance, or stability studies
  • High-voltage, fast-charge, or low-temperature electrolyte development
  • Custom additive-package evaluation with salts and solvents

Product FAQ

Common Questions

What is Trimethylsilyl phosphite (TTPi) used for?

Trimethylsilyl phosphite (TTPi) is used or screened for electrolyte additive screening, interphase optimization, and custom formulation development. Winigen Materials can support RFQ-based supply and related electrolyte or battery materials development discussions.

What is the CAS number for Trimethylsilyl phosphite (TTPi)?

The CAS number shown for Trimethylsilyl phosphite (TTPi) is 1795-31-9.

What specifications are shown for Trimethylsilyl phosphite (TTPi)?

The target specifications currently shown are Grade: Battery material grade. Final specifications, documentation, and available quantity can be confirmed during RFQ.

Can I request a quote for Trimethylsilyl phosphite (TTPi)?

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