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Zheflon® FL2100 PVDF- Lithium battery Binders Grade

Zheflon® FL2100 PVDF- Lithium battery Binders Grade

Zheflon® FL2100 PVDF- Lithium battery Binders Grade
Zheflon® FL2100 PVDF- Lithium battery Binders GradeZheflon® FL2100 PVDF- Lithium battery Binders Grade
CategoriesPVDF for Li-batteries
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BrandFlurine
ModelFL2100
FeaturesCopolymer, high viscosity
UsesLithium battery binders
FormsWhite powder
Update Time2019-08-24
Detail Information

Zheflon® 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 ternary material systems 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


1.PVDF should be processed under 260℃,to avoid producing toxic gases;

2.PVDF has good fire resistance and smoke inhibition property, however, when meets with fire, it will release toxic hydrogen fluoride gas and fluorocarbon compounds;

3.Operators should take good care of personal protection during the use procedure and processing.


PVDF is packed in PE plastic bag and then be put into a drum with the net weight 25KGS. It must be stored in clean, cool, dry place.

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