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About adhesive?

The binder is an auxiliary material for dispersing and binding in the battery.

There is a battery binder inside the battery that accounts for less than 1~2%. Because some characteristics of the binder polymer have unexpected effects on battery performance.

The binder mainly affects the kinetics of the battery, that is, the conduction of electrons and ions.

The types of binders for positive and negative electrodes are different. The positive electrode binder is PVDF, and the negative electrode binder is SBR or PAA.

The positive electrode binder is PVDF, which has both binding and dispersion functions.

The negative electrode binder is SBR or PAA, and they only need to add dispersant for the binding effect.

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