Patent ID: 7906234

Claim:
An all-solid-state lithium secondary cell comprising: a laminate shaped into substantially a rectangular parallelepiped having one of a chamfered shape or an R-chamfered shape at four corners and four side lines of the laminate, the laminate comprising: a positive electrode containing a positive electrode active material; a negative electrode containing a negative electrode active material; and a solid electrolyte between the positive electrode and the negative electrode; and a pair of external current collectors disposed at both ends of the laminate to support side faces of the laminate, one of the current collectors being coupled to the positive electrode and another of the current collectors being connected to the negative electrode, wherein in a cross section of the laminate along a stacked direction of the positive electrode, the negative electrode and the solid electrolyte, four corners of the cross section of laminate has one of a chamfered shape or an R-chamfered shape.