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PI Solid State Battery Separator Lithium Ion Battery High Temperature Resistant

PI Solid State Battery Separator Lithium Ion Battery High Temperature Resistant

MOQ: 100g
Price: 1-1000USD/Negotiable
Standard Packaging: Plastic package
Delivery Period: 5-7 days
Payment Method: L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Capacity: 1 t/month
Detail Information
Place of Origin
CHINA
Brand Name
XWELL
Certification
CE
Model Number
PI-40 / PI-80
Model:
PI-40 / PI-80
​​Thickness Options​:
16/20/25 μm
​​Density​:
0.81 G/cm³
​Porosity​:
42%
​​Air Permeability​:
3 Sec
Tensile Strength (MD)​:
94 MPa
Puncture Resistance​:
400g
Applications​:
Solid-State Battery Research​
Highlight:

PI Solid State Battery Separator

,

PI-80 Solid State Battery Separator

,

25um High Temperature Resistant solid state separator

Product Description

PI Solid-state Battery Separator Solid Electrolyte Separator Lithium-ion Battery High Temperature Resistant Heat Stable Polyimide

Product Overview​

Xwell Research's polyimide (PI) separators are high-performance membranes designed for next-generation battery systems, including solid-state and sodium-ion batteries. With exceptional thermal stability (-160°C to 350°C) and optimized porosity (42%), these separators enable safer and more efficient energy storage solutions for research laboratories and industrial applications.

Key Specifications​

​Parameter​ ​PI-40​ ​PI-80​
​Thickness Options​ 16/20/25 μm 16/20/25 μm
​Density​ 0.81 g/cm³ 0.81 g/cm³
​Porosity​ 42% 42%
​Air Permeability​ 3 sec 3 sec
​Tensile Strength (MD)​ 94 MPa 94 MPa
​Puncture Resistance​ 400g 400g

Material Advantages​

  1. ​Extreme Temperature Performance​

    • Stable operation from ​​-160°C to 350°C​​ (surpassing conventional PP/PE separators)
    • No thermal shrinkage at high temperatures
  2. ​Mechanical Robustness​

    • Superior puncture resistance (​​400g​​) for lithium metal anode compatibility
    • Balanced MD/TD tensile strength (94/64 MPa)
  3. ​Electrochemical Optimization​

    • 42% porosity enables ​​5% higher electrolyte absorption​​ vs. standard separators
    • Low impedance for high-rate applications

Handling & Processing Guidelines​

  1. ​Pre-Treatment​
    • Bake at >100°C for 2-3 hours (moisture removal)
  2. ​Cell Assembly​
    • Maintain winding tension <0.5N to prevent stretching
  3. ​Electrolyte Filling​
    • Use 5% more electrolyte than conventional separators
  4. ​Formation Protocol​
    • Add 2 extra charge-discharge cycles post CV/CC formation

​Packaging & Storage​

​Attribute​ ​Specification​
Packaging Roll + Vacuum-sealed bag + Foam padding
Storage Temperature 0°C to 35°C
Relative Humidity ≤75%
Shelf Life 12 months in original packaging

Applications​

  • ​Solid-State Battery Research​
  • ​Sodium-Ion Battery Development​
  • ​High-Temperature Battery Systems​
products
PRODUCTS DETAILS
PI Solid State Battery Separator Lithium Ion Battery High Temperature Resistant
MOQ: 100g
Price: 1-1000USD/Negotiable
Standard Packaging: Plastic package
Delivery Period: 5-7 days
Payment Method: L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Capacity: 1 t/month
Detail Information
Place of Origin
CHINA
Brand Name
XWELL
Certification
CE
Model Number
PI-40 / PI-80
Model:
PI-40 / PI-80
​​Thickness Options​:
16/20/25 μm
​​Density​:
0.81 G/cm³
​Porosity​:
42%
​​Air Permeability​:
3 Sec
Tensile Strength (MD)​:
94 MPa
Puncture Resistance​:
400g
Applications​:
Solid-State Battery Research​
Minimum Order Quantity:
100g
Price:
1-1000USD/Negotiable
Packaging Details:
Plastic package
Delivery Time:
5-7 days
Payment Terms:
L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability:
1 t/month
Highlight

PI Solid State Battery Separator

,

PI-80 Solid State Battery Separator

,

25um High Temperature Resistant solid state separator

Product Description

PI Solid-state Battery Separator Solid Electrolyte Separator Lithium-ion Battery High Temperature Resistant Heat Stable Polyimide

Product Overview​

Xwell Research's polyimide (PI) separators are high-performance membranes designed for next-generation battery systems, including solid-state and sodium-ion batteries. With exceptional thermal stability (-160°C to 350°C) and optimized porosity (42%), these separators enable safer and more efficient energy storage solutions for research laboratories and industrial applications.

Key Specifications​

​Parameter​ ​PI-40​ ​PI-80​
​Thickness Options​ 16/20/25 μm 16/20/25 μm
​Density​ 0.81 g/cm³ 0.81 g/cm³
​Porosity​ 42% 42%
​Air Permeability​ 3 sec 3 sec
​Tensile Strength (MD)​ 94 MPa 94 MPa
​Puncture Resistance​ 400g 400g

Material Advantages​

  1. ​Extreme Temperature Performance​

    • Stable operation from ​​-160°C to 350°C​​ (surpassing conventional PP/PE separators)
    • No thermal shrinkage at high temperatures
  2. ​Mechanical Robustness​

    • Superior puncture resistance (​​400g​​) for lithium metal anode compatibility
    • Balanced MD/TD tensile strength (94/64 MPa)
  3. ​Electrochemical Optimization​

    • 42% porosity enables ​​5% higher electrolyte absorption​​ vs. standard separators
    • Low impedance for high-rate applications

Handling & Processing Guidelines​

  1. ​Pre-Treatment​
    • Bake at >100°C for 2-3 hours (moisture removal)
  2. ​Cell Assembly​
    • Maintain winding tension <0.5N to prevent stretching
  3. ​Electrolyte Filling​
    • Use 5% more electrolyte than conventional separators
  4. ​Formation Protocol​
    • Add 2 extra charge-discharge cycles post CV/CC formation

​Packaging & Storage​

​Attribute​ ​Specification​
Packaging Roll + Vacuum-sealed bag + Foam padding
Storage Temperature 0°C to 35°C
Relative Humidity ≤75%
Shelf Life 12 months in original packaging

Applications​

  • ​Solid-State Battery Research​
  • ​Sodium-Ion Battery Development​
  • ​High-Temperature Battery Systems​
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