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Zheflon® FL2100 PVDF- Lithium battery Binders Grade
CategoriesZheflon® FL2100 PVDF- Lithium battery Binders Grade
Categories PVDF for Lithium Batteries Album View larger image Brand Flurine Model FL2100 Features Copolymer, high viscosity Uses Li-battery binders,lithium iron phosphate,ternary Forms White powder Update Time 2021-01-23 Detail InformationZheflon® FL2100 is a high-viscosity grade of polyvinylidene fluoride copolymer containing polar functional groups in the molecule, which can enhance the interaction between polymer molecules, active materials and metal pole pieces, also improve the adhesion performance and corrosion resistance in the electrolyte, which is particularly suitable for the application of Lithium iron phosphate and ternary system in the electric vehicle industry.
Zheflon® FL2100 can effectively reduce the amount of formula, reduce the DC resistance of the battery, improve the energy density and charge-discharge performance of the battery, effectively increase the capacity retention rate of the battery during the cycle, and thus meet the needs of the automotive industry.
General
Features
Copolymer, high viscosity
Uses
Lithium battery binders
Forms
White powder
Items
Typical Value
Test Method
FL2100
Physical Properties
Density（g/cc）
1.77~1.79
ASTM D792
Particle size（μm）（D50）
≤110
ISO 22412
Water Absorption（%）(Time 24 hr)
≤0.10
ISO 62
Dissolution properties
Rotational viscosity（cps）
5,000-8,000
0.8gPVDF:9.2gNMP，#3spindle，25℃
Molecular properties
Molecular weight（Da）
1,100,000~1,350,000
GPC,DMF,ISO 16014
Intrinsic viscosity（dl/g）
3.1~3.6
30℃,DMAC
Molecular weight distribution
2.0-3.0
GPC,DMF,ISO 16014
Thermal Properties
Melting Point（℃）
160~163
ASTM D3418
Crystallization Temperature（DSC peak）（℃）
130~140
ASTM D3418
Glass Transition Temp, Tg（℃）
-40.0
ASTM E1356
Decomposition Temperature（℃）
350
1% wt. loss / in air
Crystallization Heat（J/g）
36.0~45.0
ASTM D3417
Heat of Fusion（J/g）
40.0~50.0
ASTM D3417
Electrical Properties
Surface Resistance（ohm）
≥1.00E+14
Voltage<1V
After 2 min—500V
ASTM D257
Electrical Resistivity（ohm·cm）
≥1.00E+14
Intensity=10mA
After 2 min@23℃
ASTM D257
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