KETEP 세계에너지시장정보

An auxiliary electrode for a secondary battery, the auxiliary electrode comprising: a conductive layer having a first major surface in an X-Y plane, the conductive layer comprising a material that is electrically conductive and having a first surface area, a first carrier ion supply layer and a second carrier ion supply layer, each of the first carrier ion supply layer and the second carrier ion supply layer comprising a material that supplies carrier ions for an electrode of the secondary battery, wherein the first carrier ion supply layer covers a first region of the first major surface of the conductive layer and the second carrier ion supply layer covers a second region of the first major surface of the conductive layer; wherein the first region and the second region are separated by a third region of the conductive layer extending between the first region and the second region; the third region configured to be folded along a Y-axis direction such that in a folded configuration, the first region and the second region are substantially parallel; and the third region being substantially perpendicular to the first region and the second region in the folded configuration; and a separator layer disposed on the first carrier ion supply layer and the second carrier ion supply layer.