Reply: (1) The definition of resistance welding.Resistance welding is a welding method in which the workpiece to be welded is pressed between two electrodes, and a current is passed through. The current flows through the contact surface of the workpiece and the adjacent area to generate resistance heat to heat it to a molten state, …
(1) Overview of cell sorting. Cell sorting is a key process in the production of modules or packs. The purpose is to select cells with good electrical properties through sorting and match them into a group to ensure that the modules or packs The consistency of electrical performance extends the service life of the Pack. …
(1) Introduction to the structure of the soft pack battery cell moduleThe soft pack battery module is generally composed of battery core, aluminum row, copper row, inner bracket, outer frame, aluminum plate, thermal pad, sampling harness and other main components. Figure 9-13 is a more typical structure of a soft pack battery cell module. The …
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(1) Introduction to the structure of the square battery cell moduleThe square battery module is generally composed of battery core, end plate, side plate, bottom plate, aluminum sheet (usually called Busbar), wiring harness isolation plate, upper cover, end plate insulation cover and other main components. Figure 9-11 is a more typical square battery cell module …
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(1) Introduction to the structure of cylindrical battery cell module.In the design of cylindrical battery cell modules, there are various module structures, which are mainly determined according to the needs of customers and models, which ultimately leads to different manufacturing processes of the modules. The module is generally composed of battery cores, upper and lower …
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When designing the manufacturing process of the power battery system (Pack for short), not only the safety and performance requirements of Pack products must be met, but also the manufacturing requirements such as safety and cost in production must be met. In order to facilitate the control of the production process, general manufacturers divide the …
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Battery module designThe battery module is the basic unit of the battery system, including n NCRI8650PF batteries, current collectors, battery holders, conductive copper poles, temperature sensors and other devices. In the process of designing the battery module, it is necessary to fully consider its insulation and fixation.(1) Choice of battery cell layoutThe size of the …
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The structure of the power supply system(1) Selection of battery cells.Single cell monomers can be selected according to the advantages and disadvantages of cylindrical batteries (such as 18650), soft-pack batteries, and square-shell batteries. For example, consider Panasonic’s NCR18650PF as the most basic power battery cell for analysis. The reasons are as follows:(A) The NCR18650PF battery …
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Power system designBasic requirements for vehicle designThe parameters of the vehicle design usually include the curb weight of the vehicle, the total weight of the vehicle at full load, the wheelbase, the windward area requirements, the air damping coefficient, the rolling damping coefficient, the acceleration time, the mileage, etc., as shown in Table 9-1. The …
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What are the basic requirements for the structural design of the battery system? Reply：The battery system is an integration of machinery and electricity. Especially when the electric vehicle battery system is installed on the car, it encounters a series of problems such as ground excitation and a large amount of heat generated by the battery …
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