Battery supporting materials
Silicon Carbon Anode Electrolyte High Performance Formulation for Lithium Ion Battery Research and Manufacturing
Item Number : FZ01
Price varies based on specs and customizations
- Moisture Content
- 9 - 12 ppm (Standard ≤20 ppm)
- Free Acid Content
- 17 - 23 ppm (Standard ≤50 ppm)
- Ionic Conductivity (25°C)
- 8.12 - 11.12 mS/cm
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Product Overview
This high-purity silicon carbon anode electrolyte is specifically engineered to address the distinct electrochemical and mechanical challenges associated with next-generation high-capacity lithium-ion energy storage systems. By utilizing an optimized blend of high-purity organic carbonate solvents, specialized lithium salt formulations, and targeted functional additives, this chemical solution mitigates the continuous electrolyte consumption and parasitic side reactions typically induced by large volume expansions during silicon lithiation and delithiation cycles.
Formulated primarily for research institutions, pilot-scale fabrication facilities, and industrial battery manufacturers, the solution serves as an essential chemical component in developing silicon-dominant anodes, silicon-graphite composite electrodes, and high-energy-density pouch, cylindrical, or coin cells. It provides researchers and process engineers with reproducible baseline performance across diverse cell architectures, enabling precise benchmarking of novel electrode active materials and cell designs.
Manufactured under rigorous inert atmospheric controls and tight quality protocols, this electrolyte maintains exceptionally low moisture levels, controlled free acid content, and outstanding ionic conductivity. This rigorous chemical purity ensures robust electrochemical stability, high Coulombic efficiency from initial formation cycles, and extended operational cycle life even under aggressive voltage windows and elevated dynamic cycling conditions.
Key Features
- Ultra-Low Moisture Content: Rigorous multi-stage purification and inert processing ensure water levels remain consistently below 12 ppm (and as low as 9 ppm in specialized formulations), effectively preventing lithium salt hydrolysis, hydrofluoric acid formation, and electrode active material degradation.
- Minimal Free Acidity: With residual free acid concentrations strictly controlled below 25 ppm, the formulation prevents destructive chemical etching of silicon-carbon particles, current collectors, and separator matrices, ensuring long-term structural integrity.
- Enhanced SEI Film Passivation: Targeted functional additive packages promote the rapid formation of a flexible, dense, and mechanically robust Solid Electrolyte Interphase (SEI) film on high-expansion silicon surfaces, significantly suppressing irreversible capacity loss during early cycling.
- Superior Ionic Conductivity: Delivering ionic conductivity rates exceeding 8.0 mS/cm and reaching up to 11.12 mS/cm at 25°C, this chemical system facilitates rapid lithium-ion transport kinetics, supporting accelerated rate capabilities and uniform current distribution.
- Optimized Density and Solvent Balance: Carefully calibrated density profiles (ranging from 1.213 to 1.232 g/cm³ at 25°C) guarantee low solution viscosity, exceptional electrode wettability, and rapid penetration into dense, calendared silicon-carbon electrode microstructures.
- Exceptional Optical and Chemical Purity: Exhibiting crystal-clear transparency with Hazen color values maintained strictly between 10 and 15 Hazen, the solution confirms total freedom from trace organic contaminants, particulate matter, and solvent degradation byproducts.
- Extended Electrochemical Stability Window: Formulated to withstand demanding operating potentials without oxidative decomposition, ensuring reliable performance across standard and high-voltage cathode pairings.
- Batch-to-Batch Consistency: Stringent analytical verification protocols guarantee identical chemical ratios, low impurity thresholds, and repeatable electrochemical behavior across every delivered lot.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Silicon-Dominant Anode Cell Fabrication | Formulation and electrolyte filling for pouch and cylindrical cells containing high-percentage silicon-carbon composite anodes. | Suppresses active material pulverization and maintains continuous electrical contact through stable passivation. |
| High-Energy-Density Pouch Cell Prototyping | Deployment in pilot-scale automated cell assembly lines targeting gravimetric energy densities above 300 Wh/kg. | Minimizes gas generation during initial formation cycles while providing fast wetting of dense electrode stacks. |
| Fast-Charging Lithium-Ion Battery Development | Research and validation of rapid-charging protocols for high-rate consumer electronics and electric vehicle cell chemistry. | High ionic conductivity (up to 11.12 mS/cm) reduces internal cell impedance and prevents lithium plating under fast C-rates. |
| Academic & Industrial Materials Benchmarking | Baseline electrolyte medium for evaluating novel silicon active materials, binders, and conductive carbon networks in half-cell coin configurations. | Consistent baseline purity eliminates chemical anomalies, ensuring fully reproducible academic and R&D testing data. |
| Wide-Temperature Battery Systems Testing | Evaluation of silicon-carbon anode behavior across thermal stress profiles and dynamic operating environments. | Stable solvent coordination prevents early precipitation, preserving ion mobility across fluctuating thermal cycles. |
| Advanced Cathode-Anode Matching Studies | Electrolyte medium utilized when pairing silicon-carbon anodes with high-nickel NCM, NCA, or lithium iron phosphate cathodes. | Broad electrochemical stability window prevents parasitic electrolyte oxidation at high cathode cut-off voltages. |
Technical Specifications
| Specification Parameter | Standard Requirement | FZ01-Si01 Test Result | FZ01-Si05 Test Result | Unit | Evaluation Status |
|---|---|---|---|---|---|
| Product Item Number | FZ01 | FZ01-Si01 | FZ01-Si05 | -- | Verified |
| Physical Appearance | Clear and Transparent | Clear and Transparent | Clear and Transparent | -- | Pass (OK) |
| Moisture Content (H₂O) | ≤ 20 | 12 | 9 | ppm | Pass (OK) |
| Free Acid (as HF) | ≤ 50 | 23 | 17 | ppm | Pass (OK) |
| Color Scale (Hazen) | ≤ 50 | 15 | 10 | Hazen | Pass (OK) |
| Density (at 25°C) | Specified Range | 1.213 | 1.232 | g/cm³ | Pass (OK) |
| Ionic Conductivity (at 25°C) | Specified Range | 8.12 | 11.12 | mS/cm | Pass (OK) |
Why Choose This Product
- Engineered for High-Expansion Anodes: Unlike standard commercial electrolytes optimized exclusively for graphite, this specialized formulation contains sacrificial film-forming agents tailored to withstand the extreme volumetric shifts of silicon particles during cycling.
- Stringent Quality Control & Traceability: Every production batch undergoes comprehensive Karl Fischer titration, acid-base potentiometric analysis, and optical spectrometry to guarantee ultra-low trace moisture and acid levels.
- Seamless Integration with Laboratory Workflows: Packaged in specialized moisture-impermeable containers under ultra-dry argon atmosphere, the solution is ready for immediate glovebox integration and automatic electrolyte dispensing systems.
- Scalable from Lab to Pilot Production: Available in flexible package volumes to seamlessly transition your workflow from initial material formulation screening in coin cells to high-throughput pilot manufacturing.
Contact our technical specialists today to request technical data sheets, discuss custom formulation requirements, or obtain a comprehensive commercial quotation for your battery development projects.
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