Grouping method of square battery module
A technology for square batteries and cell modules, which is applied to battery components, batteries, battery assembly machines, etc., can solve the problems of inability to standardize battery modules, low production efficiency, and high production costs, and achieve automatic operation and production Low cost, good quality effect
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Embodiment 1
[0024] A grouping method of a square battery module, comprising the steps of:
[0025] (1) Arrange 3-5 batteries in the same direction as the positive and negative poles, and then stack them up and down in order according to their thickness direction;
[0026] (2) Use thermoplastic film to wind and fix the stacked cells to form a cell module;
[0027] (3) Weld the positive top covers of all the cells in the cell module to one pole piece in parallel, and weld the negative top covers of all the cells to the other pole piece in parallel to form a 3-5 parallel standard battery module ;
[0028] (4) Combine at least two standard battery modules in series or series + parallel arrangement to form a standard battery module with a certain voltage and capacity;
[0029] (5) Compact and pack the surroundings of the standard cell module with a baler to form a fixed cell module;
[0030] (6) Weld the pole pieces on the adjacent standard battery modules in the fixed battery module to for...
Embodiment 2
[0032] A grouping method of 10 parallel 4-series battery modules, comprising the steps of:
[0033] (1) Arrange the 5 batteries in the same direction according to the positive and negative poles, and then stack them up and down in order according to their thickness direction;
[0034] (2) Use thermoplastic film to wind and fix the stacked cells to form a cell module;
[0035] (3) Weld the positive top covers of all the cells in the cell module to one pole piece in parallel, and weld the negative top covers of all the cells to the other pole piece in parallel to form a 5 parallel standard battery module;
[0036] (4) Arrange and combine 8 5-parallel standard cell modules in parallel every 2 to form 4 10-parallel cell module combinations, and then arrange and combine 4 10-parallel cell modules in series to form a certain voltage, capacity of 10 parallel 4 series cell modules;
[0037] (5) Compact and pack the surroundings of the standard cell module with a baler to form a fixe...
Embodiment 3
[0040] A method for forming groups of 4-parallel 8-series battery modules, comprising the steps of:
[0041] (1) Arrange the 4 batteries in the same direction according to the positive and negative poles, and then stack them up and down in order according to their thickness direction;
[0042] (2) Use thermoplastic film to wind and fix the stacked cells to form a cell module;
[0043] (3) Weld the positive top covers of all the cells in the cell module to one pole piece in parallel, and weld the negative top covers of all the cells to the other pole piece in parallel to form a 4 parallel standard battery module;
[0044] (4) Arrange and combine eight 4-parallel standard cell modules in series to form a 4-parallel 8-series cell module with a certain voltage and capacity;
[0045] (5) Compact and pack the surroundings of the standard cell module with a baler to form a fixed cell module;
[0046] (6) Weld the pole pieces on the adjacent standard battery modules in the fixed bat...
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