Abstract: A secondary battery according to an embodiment of the present disclosure may include: a cell assembly in which a plurality of electrode assemblies in which a cathode sheet, a separator, and an anode sheet are wound together are stacked; and a pouch exterior material formed to surround the outer circumference of the cell assembly.

Abstract: The present invention relates to a nuclear waste disposal apparatus, a method of manufacturing the same, and a method of installing the same. The apparatus is manufactured by packing nuclear waste into a vessel, installing the vessel into a ring-shaped elastic body such as a discarded tire used on a truck or a large-sized bus, covering the vessel storing the nuclear waste therein with high-strength reinforced concrete, and installing pieces of structural steel in a space of the elastic body so that the apparatus can endure heavy loads and natural disasters such as earthquakes.