Patent ID: 9214653
Filing Date: 2015-12-15
Classification: H01M,Y02E

Abstract:
1. A secondary battery, comprising: a power generation body that is housed within a battery container sealed with a cover; positive and negative external terminals that are disposed on the cover and connected to the power generation body through the positive and negative power collection members, respectively; and a pair of terminal insulating members that isolate the respective positive and negative external terminals from the cover, wherein at least one of the pair of terminal insulating members is formed with a fitting portion for loading an external part into a battery container; a gas collection duct provided in the cover as the external part so as to cover a gas exhaust valve disposed in the cover, in which the fitting portion is an engaging portion, wherein the gas collection duct is provided with a locking portion that is elastically engaged with the engaging portion and locked by a terminal insulating member, wherein the engaging portion is provided in each of the pair of terminal insulating members, wherein the gas collection duct is laterally disposed between the pair of terminal insulating members, wherein the engaging portion of the terminal insulating member is a recess or protrusion provided on opposite surfaces of the pair of terminal insulating members which face each other, wherein the locking portion of a complementary protrusion or recess that is elastically engaged with the recess or protrusion of the terminal insulating member is provided on both ends of the gas collection duct in a longitudinal direction thereof, and wherein the external part is loaded into the battery container with a use of both of the pair of terminal insulating members.