Patent ID: 9287590
Filing Date: 2016-03-15
CPC Classification: H01M,Y02E,Y02P,Y02T

Claim Text:
1. A non-aqueous electrolyte secondary battery comprising: an electrode body including a positive electrode plate, a negative electrode plate, and a separator; and a non-aqueous electrolyte contained in the electrode body, wherein the non-aqueous electrolyte secondary battery further comprises a reservoir member which defines a reservoir space situated adjacent to an end face of the electrode body to hold therein the non-aqueous electrolyte forced out from inside to outside of the electrode body through a clearance gap in the end face of the electrode body, the electrode body is an electrode body formed by winding the positive electrode plate, the negative electrode plate, and the separator into a flattened form, and has an upper arc-shaped part constituting an upper end of the electrode body, a lower arc-shaped part constituting a lower end of the electrode body, and a flattened part situated between the upper arc-shaped part and the lower arc-shaped part, the reservoir member is a container for housing the electrode body, and has: the end faces of the electrode body include a first end face facing the third inside surface and a second end face facing the fourth inside surface, the reservoir spaces include: