ENERGY STORAGE DEVICE

• Main Authors: KAWATE KENJI, OGAWA MASUMI
• Format: Patent
• Language: Chinese; English
• Published: 11.05.2018
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

An energy storage device 10 includes an electrode assembly 400 and a case 100 accommodating the electrode assembly 400. The energy storage device 10 further includes: a lid plate structure 180 including a lid plate 110 of the case 100, a positive electrode current collector 140 electrically connected to a tab 410 provided at the electrode assembly 400, and a lower insulating member 120 disposed between the lid plate 110 and the positive electrode current collector 140; and an upper spacer 500 disposed between an end provided with the tab 410 of the electrode assembly 400 and the lid plate 110and having a locked portion 510 locked to part of the lid plate structure 180. 种能量储存装置10包括电极组件400和容纳电极组件400的壳体100。能量储存装置10还包括：盖板结构180，其包括壳体100的盖板110、与设置在电极组件400处的突舌410电连接的正极集电器140、以及设置在盖板110与正极集电器140之间的下绝缘构件120；以及上间隔件500，其设置在设有电极组件400的突舌410的端部与盖板110之间并且具有锁定部510，锁定部510锁定到盖板结构180的部分。