Patent ID: 8752573
Filing Date: 2014-06-17
Classification: H01M,Y02E,Y02P,Y10T

Abstract:
1. A non-aqueous electrolyte secondary battery with filling function, comprising: a housing having an accommodation chamber for accommodating a power generation portion having a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte, an opening portion communicating with said accommodation chamber, and a sub accommodation chamber communicating with said accommodation chamber through said opening portion, for accommodating a refill non-aqueous electrolyte; and a stopper body structured to removably be attached to said opening portion from an outer side of said housing; wherein a sub opening portion causing said sub accommodation chamber and outside of said housing to communicate with each other is formed in a portion of said housing defining said sub accommodation chamber, a part of said stopper body is removably fitted to said opening portion and another part of said stopper body is exposed to the outside of said housing through said sub opening portion, and in the case where the part of said stopper body closes said opening portion and said sub accommodation chamber and said accommodation chamber are isolated from each other and isolated from an external environment, the another part of said stopper body is exposed to the outside of said housing through said sub opening portion.