NOVELTY - Non-aqueous electrolyte secondary cell comprises electrode assembly having positive and negative electrode plates, where positive electrode plate (20) has electrode core exposed portion, with active material layer; negative electrode plate (30) has first and second electrode core exposed portions, with active material layer; positive electrode protective layer is provided on positive electrode core (22) exposed portion in the vicinity of positive electrode active material layer (21); and where positive electrode protective layer has lower conductivity than positive electrode core.    USE - As drive power source in cell-powered vehicles such as electric vehicles and hybrid electric vehicles.    ADVANTAGE - The non-aqueous electrolyte secondary cell has excellent safety, high output and high capacity. The protective layer has lower conductive than positive electrode core, if a conductive foreign material is mixed in core opposing area, it is possible to decrease the flowing current or to prevent internal short circuit, thus explosion and ignition of cell can be prevented, and the safety is enhanced. The positive electrode protective layer serves so as to enhance the permeability of non-aqueous electrolyte into the positive electrode active material layer, thus improves production efficiency.    DETAILED DESCRIPTION - Non-aqueous electrolyte secondary cell comprises electrode assembly having positive and negative electrode plates, where positive electrode plate (20) has positive electrode core (22) exposed portion, which is formed by exposing one side edge of belt-shaped positive electrode core along longitudinal direction of positive electrode core, and positive electrode active material layer (21) formed on the positive electrode core; the negative electrode plate (30) has first and second negative electrode core (32) exposed portions, which are formed by exposing both side edges of belt-shaped negative electrode core along longitudinal direction of negative electrode core, and negative electrode active material layer (31) formed on negative electrode core; positive electrode protective layer is provided on positive electrode core exposed portion in the vicinity of positive electrode active material layer; the whole of second negative electrode core exposed portion is opposite to positive electrode protective layer; and positive electrode protective layer has lower conductivity than positive electrode core.    DESCRIPTION OF DRAWING(S) - The figure shows cross-sectional view of laminated state of the positive and negative electrode plates in the electrode assembly.    Positive electrode plate (20)    Positive electrode active material layer (21)    Positive electrode core (22)    Negative electrode plate (30)    Negative electrode active material layer (31)    Negative electrode core (32)