Unit Cell and Battery Cell Including the Same

A unit includes an electrode positioned between a first separator and a second separator in a stack. A first adhesive is positioned between the electrode and at least one of the first and second separators, and a second adhesive is positioned between the first separator and the second separator. The first adhesive composition has a degree of dispersion in an electrolyte that is larger than a degree of dispersion of the second adhesive composition in the electrolyte.