POWER STORAGE ELEMENT

To provide a power storage element capable of suppressing the deformation of a container.SOLUTION: A power storage element 10 includes an electrode body 700 having a pair of flat parts 712a, 712b, and a container housing the electrode body. The container includes a container body 160 and a container...

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Hauptverfasser:	KAWAKAMI SATORU, AIDA HIRONORI, OKUYAMA RYOICHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	To provide a power storage element capable of suppressing the deformation of a container.SOLUTION: A power storage element 10 includes an electrode body 700 having a pair of flat parts 712a, 712b, and a container housing the electrode body. The container includes a container body 160 and a container lid 170. The container body has a bottom wall and a side wall formed on the entire periphery of the bottom wall. The container lid closes an opening formed by the side wall. One flat part of the pair of flat parts faces the bottom wall, and protrusions 181, 182 extending along the longest side of the container lid are formed on a surface, of the container lid, facing the electrode body.SELECTED DRAWING: Figure 5 【課題】容器の変形を抑制できる蓄電素子を提供する。【解決手段】蓄電素子１０は、一対の平坦部７１２ａ、７１２ｂを有する電極体７００と、電極体を収容する容器と、を備え、容器は、容器本体１６０と容器蓋体１７０とを備え、容器本体は、底壁及び底壁の周縁の全体に形成された側壁を有し、容器蓋体は、前記側壁がなす開口を塞いでおり、一対の平坦部のうち一方の平坦部と底壁とは対向しており、容器蓋体の前記電極体と対向する面には、容器蓋体の最も長い辺に沿って延びる凸部１８１、１８２が形成されている。【選択図】図５