Leydig, Voit & Mayer, Ltd.
Secondary battery with planar electrodes having collectors with polygonal through holes
A collector, an electrode and a secondary battery adopting the same. The secondary battery includes: an electrode assembly having electrodes obtained by attaching an active material sheet to at least one side of a flat collector with a plurality of through holes formed in a predetermined pattern, and a separator interposed between the electrodes; a case for sealing the electrode assembly; and tabs connected to terminals of the electrode assembly and extended outwards the case, wherein the through holes have a regular polygonal shape and the rib widths among the through holes are equal.
Samsung SDI Co., Ltd.
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H01M H01M Y02E H01M H01M H01M
inventional inventional additional inventional inventional inventional
Youn-han Jung-ho
Chang Kim