Assembly method of laminated lithium battery and laminated lithium battery
The invention relates to the technical field of lithium batteries, in particular to an assembly method of a laminated lithium battery and the laminated lithium battery. In the assembly process, a high-speed integrated two-wing flaking process is adopted, that is, in the coating process of positive a...
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| creator | LI PENG DU YUANWU SUN BO HUANG XIANGBO |
| description | The invention relates to the technical field of lithium batteries, in particular to an assembly method of a laminated lithium battery and the laminated lithium battery. In the assembly process, a high-speed integrated two-wing flaking process is adopted, that is, in the coating process of positive and negative electrode slurry, blank areas which are not coated with slurry are reserved, and the two sides of each blank area are coated areas; in the die cutting process, the blank area is subjected to die cutting to form a tab, the coating areas on the two sides of the blank area are subjected to die cutting to form a pole piece respectively, and the obtained composite positive pole piece and the obtained composite negative pole piece are each of a pole piece-tab-pole piece integrated structure. Through the mode, the die cutting forming efficiency and the lamination efficiency of the pole piece can be improved, the assembly process is simplified, and higher yield and manufacturability are realized.
本发明涉及锂电池技术领域，尤 |
| format | Patent |
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| language | chi ; eng |
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| subjects | BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY |
| title | Assembly method of laminated lithium battery and laminated lithium battery |
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