COVER-CELL ASSEMBLY, BATTERY CELL ASSEMBLY, AND BATTERY PACK

According to exemplary embodiments, a cover-cell assembly is provided. The cover-cell assembly comprises: an electrode assembly that includes a positive electrode, a negative electrode, and a separator disposed therebetween; a case that includes an accommodation portion covering the electrode assembly and a sealing portion surrounding the accommodation portion; and a cell cover that is coupled to the case and includes a refractory material, wherein the cell cover fixes the sealing portion to the accommodation portion.