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Lithium-ion Pouch Cell Stacking Process Pilot Line Design and Building Project Nov 19,2019

Project Name: Lithium-ion pouch cell stacking process pilot line design and building project


Description: Xiamen TOB New Energy Technology Co., Ltd. designs and builds a lithium-ion pouch cell pilot line which is using stacking process for our customers. Xiamen TOB New Energy will provide a full set of battery pilot line equipment and battery testing equipment. And we will also supply some battery materials such as cathode materials, anlde materials, separator, electrolyte, pouch cell cases, copper foil, aluminum foil, etc.


Date: 2018


Location: Sri Lanka




The customer wants to build a pilot line for lithium-ion pouch cells which is using stacking process technology. The stacking process is a process of cutting the positive and negative plates into the required size, then stacking the positive plate, separator, and negative plate into a small battery cell, and then stacking the small battery cells in parallel to form a battery module. Compared with the winding process, the stacking process has a high capacity density, and the internal space of the lithium battery is fully utilized. Compared with the winding process, the volume specific capacity is higher. Its energy density is high, and its discharge platform and volume specific capacity are higher than those of winding process lithium batteries, so the energy density is correspondingly higher. Its size design is more flexible, and the size of each pole piece can be designed according to the size of the lithium battery, so that the lithium battery can be made into any shape. Since the ultimate goal of customers is to enter the field of power batteries, and large modules and large cells are the future trend, so choosing the lamination process can better take advantage of the advantages of large cells. It has advantages over winding in terms of safety, energy density, and process control.


Customer Requirements Form
 Battery Type  Pouch, polymer battery
 Battery Size  Thickness: 3.0~12mm
 Width:20~200mm
 Height: 30~300mm
 Design Capacity  20mAh ~ 200Ah
 Material System  NCM,LFP,LCO,LMO.../Graphite,Si-C,LTO...
 Main Process  Stacking process
 Production Capacity  10pcs~1000Pcs/Day
 Area  100m2,200m2,300m2.....10000m2 ( Depend on battery quantity/Day )


(1)Design the whole line stacking process solution of pouch cell.

(2)Provide a complete set of pouch cell manufacturing equipment and testing equipment.

(3)Meet the customer's high capacity, high energy density, and high rate discharge requirements.

Equipment list


 Name  Application  Quantity
 Drying Oven  Battery and materials drying  4set
 Battery Slurry Mixer  Slurry mixing  1set
 Battery Coating Machine  Slurry coating process  1set
 Electrode Calender  Electrode rolling press  1set
 Electrode Cutting Machine  Electrode film cutting  1set
 Electrode Notching Machine  Electrode Notching  1set
 Battery Stacking Machine  Electrode stacking  1set
 Assembly line  Assemble the cells  1set
 Filling line  Electrolyte filling  1set
 Pre-charge line  Pre-charge the battery  1set
 Sealing line  Sealing the cells  1set
 Sorting line  Sorting of batteries by capacity and internal resistance  1set
 Packaging line  Pack the battery  1set

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