Electric storage device

• Main Authors: NITTA KAZUSHI, OSUGI YUTA, KAWASOE YUDAI, SEKIGUCHI HIROSATO
• Format: Patent
• Language: Chinese; English
• Published: 20.10.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

A power storage device according to one aspect of the present invention is provided with: an electrode body in which a positive electrode and a negative electrode are laminated with a separator therebetween; an electrolyte solution; and a sealable container for accommodating the electrode body and the electrolyte solution. The separator has a compressive modulus of elasticity of 15 MPa or more, and the interior of the container is in a negative pressure state. 本发明的一个方面涉及的蓄电元件具备电极体、电解液以及用于收纳上述电极体和上述电解液的可密封的容器，上述电极体是正极和负极介由隔离件层叠而成的；上述隔离件的压缩弹性模量为15MPa以上，上述容器内部为负压状态。