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Method for coating separator membranes of Li batteries and coated separator membrane
Method for coating separator membranes of Li batteries and coated separator membrane
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机译:锂电池隔膜的涂覆方法及涂覆的隔膜
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摘要
The present invention describes a method for coating porous separator films of lithium batteries and a coated separator film produced as a result of the respective manufacturing method. Laser ablation is used in the method for detaching particles from the target, and the particle flux vaporised by laser pulses is directed to the base material to be coated, to which the material is attached. The so-called roll-to-roll principle can be used in the method, in which the base material to be coated is directed from one roll to a second roll, and the coating occurs in the area between these rolls. In addition, rotating mirrors and a telecentric lens can be used for aligning the laser pulses as a rectilinear pulse front before guiding onto the target material.
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