Battery shell, single battery, battery module, battery pack and electric equipment

• Main Authors: WANG YINGYING, MA XINGRUI, CHANG YANQIN
• Format: Patent
• Language: Chinese; English
• Published: 05.05.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; FIRE-FIGHTING; HUMAN NECESSITIES; LIFE-SAVING; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The utility model relates to the technical field of battery cases, in particular to a battery case, a single battery, a battery module, a battery pack and electric equipment. The battery shell comprises a shell body, the shell body comprises a shell wall with a cooling cavity, a cooling bag is arranged in the cooling cavity, a cooling agent is arranged in the cooling bag, a cooling communicating hole communicated with the cooling cavity and an inner cavity of the shell body is formed in the cavity wall of the cooling cavity, and when the cooling bag is melted, the cooling agent flows to the inner cavity of the shell body through the cooling communicating hole so as to cool the interior of the shell body. According to the battery shell disclosed by the utility model, after the interior of the shell reaches a certain temperature, the cooling bag is melted to release a cooling agent stored in the cooling bag, and the cooling agent flows to the inner cavity of the shell through the cooling communication hole and