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Lithium battery separator

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Lithium battery separator
Lithium battery separator

For lithium battery series, due to the organic solvent system as the electrolyte, it is necessary to have organic solvent resistant membrane material. Generally, high strength thin film polyolefin porous membrane is used. Lithium ion battery separator has a large number of zigzag through micropores, which can ensure the free passage of electrolyte ions to form a charging and discharging circuit; when the battery is overcharged or the temperature rises, the diaphragm separates the positive and negative electrodes of the battery through the closed cell function to prevent direct contact and short circuit, so as to block the current conduction and prevent the battery from overheating or even explosion.

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