Square aluminum shell energy storage lithium battery pole piece

• Main Authors: GU ZHIMING, WANG KAIBIN, LIU SUGUO, SI MINGYUE, BAI XUE
• Format: Patent
• Language: Chinese; English
• Published: 30.07.2024
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The utility model belongs to the technical field of energy storage lithium batteries, and particularly relates to a square aluminum shell energy storage lithium battery pole piece. A positive pole piece and a negative pole piece of the square aluminum shell energy storage lithium battery are formed by die cutting after coating and rolling of a positive pole and a negative pole, and each of the positive pole piece and the negative pole piece comprises a pole piece body and a plurality of tabs arranged on two sides of the pole piece body at intervals along the length direction of the pole piece body; the pole piece body is coated with an active material corresponding to the polarity of the pole piece; the plurality of tabs arranged on the pole piece body at intervals are consistent in shape and are of isosceles trapezoid structures. The plurality of tabs arranged on the pole piece body at intervals are consistent in shape and are of isosceles trapezoid structures, and the trapezoid tabs can provide larger conta