POWER STORAGE DEVICE

• Main Authors: KAWATE KENJI, OGAWA MASUMI
• Format: Patent
• Language: English; Japanese
• Published: 23.03.2017
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

PROBLEM TO BE SOLVED: To provide a high-quality power storage device including an electrode body and a container in which the electrode body is encased.SOLUTION: A power storage device 10 having an electrode body 400 and a container 100 for encasing the electrode body 400 comprises: a lid plate structure 180 having a lid plate 110 of the container 100, a positive electrode current collector 140 electrically connected to a tab part 410 of the electrode body 400, and a lower insulative member 120 disposed between the lid plate 110 and the positive electrode current collector 140; and an upper spacer 500 having an engagement part 510 disposed between the side of the electrode body 400 where the tab part 410 is provided, and the lid plate 110, and engaged with part of the lid plate structure 180.SELECTED DRAWING: Figure 6B 【課題】電極体と電極体を収容する容器とを備える蓄電素子であって、品質の高い蓄電素子を提供すること。【解決手段】電極体４００と、電極体４００を収容する容器１００とを備える蓄電素子１０であって、容器１００の蓋板１１０、電極体４００のタブ部４１０と電気的に接続された正極集電体１４０、及び、蓋板１１０と正極集電体１４０との間に配置された下部絶縁部材１２０を有する蓋板構造体１８０と、電極体４００の、タブ部４１０が設けられた側と蓋板１１０との間に配置され、蓋板構造体１８０の一部に係止される係止部５１０を有する上部スペーサ５００とを備える。【選択図】図６Ｂ