POWER STORAGE DEVICE AND BATTERY PACK

• Main Author: IMAIZUMI MINORU
• Format: Patent
• Language: English; Japanese
• Published: 12.12.2019
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

To provide a battery pack with large power storage capacity, capable of housing a bus bar for connection between electrodes and a short circuit protection structure for the bus bar in a housing, and a power storage device constituting the battery pack.SOLUTION: A power storage device includes: a square housing 2 which has a first surface 10 and a second surface 11 at a side opposite to the first surface 10, and in which notches extending from the first surface 10 to the second surface 11 are formed on respective four corners thereof; positive electrode terminals 3a, 3b which are disposed to respective two notches located at both ends of a first diagonal on the first surface 10; and negative electrodes 4a, 4b which are disposed to respective two notches located at both ends of a second diagonal on the first surface 10, the second diagonal intersecting with the first diagonal.SELECTED DRAWING: Figure 2 【課題】電極間接続のバスバー及びその短絡保護構造を筐体内に収納可能である、蓄電容量が大きい組電池、及びそれを構成する蓄電装置を提供する。【解決手段】第１の表面１０及び当該第１の表面１０と反対側の第２の表面１１を有し、第１の表面１０から第２の表面１１まで延在する切り欠きが、その４隅のそれぞれに設置された角型の筐体２と、第１の表面１０の第１の対角線の両端に位置する２つの切り欠きのそれぞれに配置された正極端子３ａ、３ｂと、第１の表面１０の第１の対角線と交差する第２の対角線の両端に位置する２つの前記切り欠きのそれぞれに配置された負極端子４ａ、４ｂと、を備える。【選択図】図２