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What is battery aluminum foil?

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• What is battery aluminum foil?

• What is battery aluminum foil?

  toyota1515 > 04-20-2023, 08:37 AM

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  Just like its name, battery aluminum foil is a refined product of aluminum foil. Rolling ordinary aluminum foil with a thickness ranging from 10 to 50 microns can be used to obtain battery aluminum foil for lithium batteries. Commonly used pure aluminum foils for lithium batteries have various alloy grades such as 1060, 1050, 1145, 1235, etc., and are in -O, H14, -H24, -H22, -H18 and other states.
  
  
  Where is the aluminum foil in the lithium battery?
  Lithium batteries usually have cylindrical and square shapes. The inside of the battery adopts a spiral wound structure, and a very fine and highly permeable polyethylene film separator is used to separate the positive and negative electrodes. The positive electrode includes a current collector composed of lithium cobalt oxide (or lithium nickel cobalt manganate, lithium manganate, lithium iron phosphate, etc.) and aluminum foil. The negative electrode is composed of a current collector composed of graphitized carbon material and copper foil. The battery is filled with organic electrolyte solution, and is also equipped with a safety valve and PTC components (partially cylindrical) to protect the battery from damage in abnormal conditions and output short circuits.[/size][/size]
  

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