NKK TF4530 Cellulose Battery Separator – Low Self-Discharge Type

Matlabs Technologies offers the NKK TF4530 Cellulose Separator, a high-performance low self-discharge separator designed for lithium-ion and advanced rechargeable battery systems. Manufactured from refined cellulose materials, this separator provides excellent electrolyte affinity, stable ionic conductivity, and enhanced cycle stability while minimizing self-discharge behavior in finished cells.

Material Code: MT-MAT-2025

Material Specifications

Parameter Specification
Separator Type Cellulose Separator
Grade NKK TF4530
Material Code MT-MAT-2025
Structure Microporous membrane
Thickness Optimized for battery use
Porosity Controlled, uniform
Electrolyte Wettability Excellent
Self-Discharge Low
Thermal Stability High for cellulose-based separators
Electrical Insulation Excellent
Application Battery separator membrane
Key Performance Benefits

• Low Self-Discharge Characteristics

 Helps maintain cell capacity during storage and improves shelf life.

• Excellent Electrolyte Absorption

Cellulose structure promotes rapid and uniform electrolyte wetting.

• Stable Ionic Transport

Supports consistent lithium-ion movement while preventing internal short circuits.

• Mechanical & Dimensional Stability

Maintains separator integrity during assembly and cycling.

Processing & Compatibility

• Compatible with standard liquid electrolyte systems

• Suitable for lithium-ion and hybrid battery chemistries

• Works with pouch, cylindrical, and prismatic cell formats

• Ideal for R&D, pilot lines, and controlled production environments

Recommended Applications

• Lithium-ion battery separators

• Low self-discharge battery designs

• Energy storage system (ESS) cells

• Battery research and prototype validation

• Long-shelf-life battery products

Handling & Storage

Store in a clean, dry, and sealed environment to avoid moisture uptake and contamination. Handle carefully to prevent mechanical damage or folding prior to cell assembly.

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Download detailed product technical specifications for more details

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