Battery thermal runaway gas cooling and fire retarding system

• Main Authors: DU HE, WANG ANMIN, DONG SHAOSUO, ZHAI WENBO, ZHANG WEI
• Format: Patent
• Language: Chinese; English
• Published: 09.05.2023
• 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 discloses a battery thermal runaway gas cooling and fire retarding system, which belongs to the technical field of power batteries and comprises a battery shell for loading a battery cell, an exhaust hole is arranged on the battery shell, and a pressure balance valve is mounted in the exhaust hole; the cooling device further comprises a first cooling unit, the first cooling unit is installed at the position, corresponding to the exhaust hole, of the battery shell, the first cooling unit covers an opening of the exhaust hole, and the first cooling unit is connected with an electric equipment refrigerant pipeline. According to the utility model, the first cooling unit can be used for reducing the temperature of gas and flame sprayed outwards by the battery shell when the battery is in thermal runaway, so that the purposes of cooling and extinguishing fire are achieved, and the harm to personnel and articles caused by direct spraying of gas or flame can be prevented or reduced. 本实用新型公开了一种电池热失控气