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Battery

Electrode process and manufacturing technology for Li-ion secondary battery <2011 Edition>
  • Publishing Date : 2011-01-13
  • Published cycle : Special
  • Page :  237p
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The Li-ion secondary battery is classified into the cylindrical battery and the prismatic battery. The Li-ion secondary battery is completed through the process where metal foil (Al or Cu foil) is coated with cathode/ anode active materials, a separator is inserted and rewound between both electrodes and inserted into a metal container, which is filled and sealed with electrolytes. The Li-ion secondary battery is composed of anodes, cathodes, separators, electrolytes, metal cases and other components. A manufacturing process of the Li-ion secondary battery is largely divided into the following three processes.

 

 

 

Manufacturing processes of Li-ion secondary battery can be divided into three as followings.

 

1. Electrode process: mixing, coating/drying, pressing, cutting(slitting)
2. Assembling process: winding, inserting jelly roll and electrolyte, sealing
3. Inspection and chemical process

 

This report is about electrode process for Li-ion secondary battery. The general manufacturing process for Li-ion secondary battery is as follows.  

 

Mixing -> Coating  -> Roll Pressing -> Slitting (Punching) -> Vacuum Drying -> Assembling ->  Aging -> Degassing -> Grading  -> Packing 

 

This report covers to Vacuum Drying Process of anode or cathode materials from Mixing Process

 


Strong Points

 

* Contains the manufacturing processes for Li-ion secondary battery electrode.
* Introduces each equipment used at current battery manufacturers.
* Includes equipment specification by each manufacturing process.
* Shows examples of equipment.
* Contains 199 elusive pictures of equipments and processes.  

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