Dual Slot Die Coater and Method for Coating Electrode Active Material Slurry Using the Same

    公开(公告)号:US20240050975A1

    公开(公告)日:2024-02-15

    申请号:US17922164

    申请日:2021-09-17

    CPC classification number: B05C5/0254 H01M4/0404 H01M4/0411 H01M2004/021

    Abstract: A dual slot die coater according to the present disclosure is a dual slot die coater including a lower slot and an upper slot, for extrusion coating of an electrode active material slurry on a surface of a continuously moving current collector through at least one of the lower slot or the upper slot, and the dual slot die coater includes a lower plate, an intermediate plate positioned on the lower plate and an upper plate positioned on the intermediate plate, the lower slot being formed between the lower plate and the intermediate plate, and the upper slot being formed between the intermediate plate and the upper plate, wherein the lower plate, the intermediate plate and the upper plate have a lower die lip, an intermediate die lip and an upper die lip, each forming an front end with respect to the current collector, respectively, and a thickness of the lower die lip is larger than a thickness of the upper die lip and a thickness of the intermediate die lip.

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