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Our Core Solutions: Lithium-Ion Battery Separators

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Battery coated separator series

The self-developed bio-based polyamide coating material is combined with various adhesives and combined with ceramic or Boehmite layers. It is treated by water-based or oil-based coating process technology and adheres to the surface of base films produced by different methods. It can significantly improve the high-temperature stability of new energy batteries and enhance their safety. It is suitable for high-performance battery products, and material solutions can be customized.
High security
The oil-based aramid coated separator still retains elasticity and toughness after being exposed to 200℃ for 1 hour.
The battery assembled with aramid separator passed through the 150℃ heat box. The pass rate of battery thermal needling is high.
Long lifespan
The cycle of lithium metal batteries has been improved by 30%.
The cycle of manganese-based batteries has been improved by more than 20%.
The sodium-electric cycle has increased by more than 40%.
High magnification
Decreased DCR;
The temperature rise of high-rate charge and discharge batteries has decreased significantly.
Furan-based Aramid water-coated separator ST03

Furan-based Aramid water-coated separator  ST03


Furan-based Aramid water-coated separator  ST03

Recipe Number :ST03

Features:

High electrolyte lubricity

Compatible with water coating process

Reduce fluid and cut costs

Fast charging

Application:

Semi-solid batteries, lithium iron phosphate power, large energy storage batteries, cylindrical batteries

Product typeWater coating
Product materialsBio-aramid (BA1010), ceramic
Diaphragm type 7(PE)2+7+29(PE)1.5+9+1.5
Product thicknessμm6.5411.468.311.46
Infiltration ratemm/60s38983598
Surface densityg/cm²4.158.394.28.39
Air permeability rates/100ml155877387
Puncture strengthgf444457454457
Tensile strengthMDKgf/cm²3451347129952987
TD2250299223632342
Peel strengthSide AN/m/132/165
Side B/142/134
Thermal shrinkage rate 130°C 1hMD%/1.00/1.00
TD/0.60/0.60
Thermal shrinkage rate 150℃ 1hMD%/1.00/2.10
TD/1.20/1.60