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Fluorine Chemical Products

PVDF Lithium Battery Binder Grade

As a leading PVDF manufacturer in China, we are committed to the production of polyvinylidene fluoride resin (PVDF), an engineering plastic that combines the excellent properties of fluororesins with molding processability comparable to general-purpose resins. In the battery, which enables it to protect the internal components of the battery and extend battery’s lifespan.

CAS NO.: 24937-79-9

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PVDF Lithium Battery Binder Grade1

Product Categories

Polyurethane

Fluorine Chemical

Technical Index

PVDF+HAJ604+HAJ605-

This type of PVDF products mainly includes HAJ605 and HAJ604, both of which can be used as lithium battery binders. The more popular one is HAJ605 PVDF.

HAJ605 is a powdered vinylidene fluoride homopolymer, a PVDF resin specially developed for lithium battery binder applications. The lithium battery electrode material prepared with it has good chemical stability, temperature stability and process ability, and has excellent adhesion to electrode materials. HAJ605 is mainly used as lithium battery electrode binder.

Download PVDF MSDS-Lecron

Item

Test Method

Detection Indicator

Appearance

Eye-measurement

White powder, no lump

Moisture Content, %

GB/T11133-2015

Coulometric titration method

≤0.10

Rotational Viscosity (7%), mpa·s

42g/558mLNMP, 25℃

1500~6500

Melting Point℃

ASTM D3418-15

160~170

Volume Granularity Dv50(μm)

GB/T 19077-2016/ISO13320:2009

≤50

Relative Density

Method A

1.75~1.77

Molecular Weight

GPC

≥100 million

HAJ604 is a powdery vinylidene fluoride homopolymer, which is a PVDF resin specially developed for the application of lithium battery binders. The lithium battery electrode material prepared by it has good chemical stability, temperature stability and process ability, and has excellent adhesion to the electrode material. HAJ604 is mainly used as a binder for lithium battery electrodes.

Download PVDF MSDS-Lecron

Item

Test Method

Detection Indicator

Appearance

Eye-measurement

White powder, no lump

Moisture Content, %

GB/T11133-2015

Coulometric titration method

≦0.10

Rotational Viscosity

(7%), mpa·s

7.74g/100mLNMP, 25℃

1500~6500

Melting Point℃

ASTM D3418-15

160~180

Volume Granularity Dv50(μm)

GB/T 19077-2016/ISO13320:2009

≦50

FTIR

GB/T 21186-2007

95~100

Metal Purity Content, ppm

ICP-AES

Fe: ≦30; Cr: ≦10;

Ni: ≦10; Cu: ≦30;

Zn: ≦10; Co: ≦10.

Molecular Weight

GPC

800~1200 thousand

Precautions for Use

① PVDF should not be processed and used at temperatures higher than 350℃ to prevent the decomposition of toxic gas. Care should be taken to prevent inhalation of dust during use.

② PVDF has good flame retardant and smoke suppression properties, but when exposed to an open flame, it will release toxic hydrogen fluoride gas and fluorocarbon organic compounds. Operators should take personal protection when using and processing.

Packing

20kg/anti-static bag/carton or cardboard drum.

PVDF Packing

Transportaion

According to the non-dangerous goods transportation, the transportation process should avoid being subjected to the heat, moisture or the violent vibration.

Storage

Polyvinylidene fluoride resin should be stored in a cool, dry and ventilated place. Avoid direct sunlight, and should beisolated from fire sources and away from heat sources.

LECRON SHARE PVDF for Lithium Battery Binder Grade FAQ

Polyvinylidene fluoride resin should be stored in a cool, dry and ventilated place. Avoid direct sunlight, and should beisolated from fire sources and away from heat sources.

PVDF Lithium Battery Binder Grade boasts superior purity and adheres to more stringent production standards compared to standard PVDF. This specialized PVDF undergoes specific treatments to guarantee the material's purity and consistency, aligning with the exacting demands of lithium battery production.

This PVDF is frequently employed as a binder and separator coating for lithium batteries. Its notable features include strong bonding properties, chemical stability, safeguarding the battery's internal structure, and enhancing overall battery performance and safety.

They are compatible with LiFePO4, NCM523, NCM622, and NCM811.

This PVDF exhibits outstanding chemical stability, resistance to high temperatures, robust adhesion to active materials, and commendable mechanical strength. These attributes contribute to the enhanced performance and extended lifespan of lithium-ion batteries.

Indeed, employing lithium battery grade PVDF as a binder helps sustain the structural integrity of the electrode throughout charge-discharge cycles, contributing to an extended cycle life.

Why Choose PVDF for Lithium Battery Binder from LECRON SHARE?

  • LECRON PVDF has excellent thixotropic properties, and the positive electrode paste does not gel for 24 hours, which can reduce the amount of solvent used and increase the solid content of the paste.
  • When LECRON PVDF is used as a binder, it can more stably connect the positive electrode active material, conductive agent, and current collector, thereby greatly reducing electrode impedance and battery polarization.
  • When LECRON PVDF is used for separator coating, it will greatly improve the high temperature resistance, increase the amount of electrolyte solution, and increase the safety of the battery under high pressure.
PVDF Separator Coating

PVDF Lithium Battery Production Process

Product Technical Support
Product Equipment Planning
Workshop Layout Design
Process Improvement Adjustment
Auxiliary Equipment Planning
Environmental Control Equipment Planning

1. PVDF raw material distribution warehouse
2. PVDF automatic mixing system
3. PVDF extrusion coating
4. PVDF pole piece rolling and slitting
5. PVDF positive and negative electrode sheets die cutting
6. PVDF pole piece baking
7. Die-cut lamination logistics line
8. Double station lamination
9. X-Ray Detection
10. Punching into the shell package
11. Cell Baking
12. Cell slag injection and pre-sealing
13. Three-dimensional warehouse logistics line
14. High temperature static storage
15. Cell formation
16. Two seal slag extraction molding
17. Static warehouse at room temp-erature
18. Cell separation
19. Sorting and shipping

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About Shandong HuaAn New Material Co., Ltd.

Shandong HuaAn New Material Co., Ltd., a wholly-owned subsidiary of LECRON SHARE, is a leading environmental refrigerant company in China. Our focus extends to becoming a domestic expert in eco-friendly new materials, including advanced refrigerants, lithium battery additives, and fluorinated polymers in the fluorine chemical industry.

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Download Our Relevant Files

We provide detailed product information covering various aspects, including technical specifications, performance indicators, application cases, etc. These materials will help you better understand the characteristics and advantages of our products in order to make wise decisions.

* You can easily leave your contact information, such as name, email, and phone number. We promise to strictly protect your privacy and will promptly contact you to answer your questions or provide further support.