ENERGY STORAGE DEVICE

• Main Authors: KAWATE KENJI, ENOMOTO YUKIO
• Format: Patent
• Language: Chinese; English
• Published: 22.10.2019
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

Provided is an energy storage device where internal short circuiting of an electrode assembly can be prevented while ensuring easy assembling of the energy storage device. An energy storage device according to an aspect of the present invention includes: an electrode assembly which has an electrode assembly body formed by stacking a positive electrode plate, a separator and a negative electrode plate, and tabs extending from the positive electrode plate and the negative electrode plate; a case formed of a case body which accommodates the electrode assembly therein and a lid plate which closesthe case body; an external terminal fixed to the lid plate and electrically connected to the tab; a spacer disposed between the electrode assembly body and the lid plate and having rigidity; and a porous cushion sheet disposed between the spacer and the electrode assembly body having cushioning property, wherein the cushion sheet is welded to the spacer. 本发明提供一种储能装置，其中可以防止电极组件的内部短路，同时确保容易地组装储能装置。根据本发明的方面的储能装置包括：电极组件，其具有通过