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|1. (WO2018142928) SECONDARY BATTERY|
|Applicants:||PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Disclosed is a nonaqueous electrolyte secondary battery that is provided with: an electrode body; a nonaqueous electrolyte solution; a metal outer package storing therein the electrode body and the nonaqueous electrolyte solution; and a pressing member that is provided between the electrode body and the outer package. The outer peripheral surface of the electrode body is provided with an exposing section, from which the surface of a negative electrode collector constituting the negative electrode is exposed. The pressing member expands by absorbing the nonaqueous electrolyte solution, and presses the exposing section of the electrode body to the inner surface of the outer package.