Square lithium battery

• Main Author: ZHANG HONGLUN
• Format: Patent
• Language: Chinese; English
• Published: 10.12.2021
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The utility model relates to the technical field of lithium batteries, and discloses a square lithium battery which comprises a shell, an insulating plate is arranged on the inner wall of the shell, a boron steel layer is fixedly mounted on the inner wall of the shell, and the impact force generated by explosion can be greatly reduced due to the characteristics of high strength and impact resistance of the boron steel layer. The inner wall of the boron steel layer is fixedly provided with a sponge layer, the sponge layer can relieve buffer generated by explosion for the first time, the inner wall of the sponge layer is fixedly provided with a negative electrode layer, the inner wall of the negative electrode layer is fixedly provided with a diaphragm layer, and the inner wall of the diaphragm layer is fixedly provided with an adsorption cotton layer. The adsorption cotton layer can adsorb leaked electrolyte, a positive electrode layer is fixedly installed on the inner wall of the adsorption cotton layer, the