doosan

Doosan Solus supplies the battery copper foil
for electric vehicles in Europe.

Battery copper foil is a core material of the electric car battery. Doosan Solus has completed its development of high-end, compact, high-efficiency battery copper foil that can help increase the mileage of electric cars.
The battery copper foil plant that is being constructed in Hungary in early 2020 will be the only battery copper foil production base in Europe. Doosan Solus will enhance its competitiveness steadily through the stable production of high-quality battery copper foil.

Business information

Doosan Solus supplies the battery copper foil for electric vehicles in Europe.

Battery copper foil is a core material of the electric car battery. Doosan Solus has completed its development of high-end, compact, high-efficiency battery copper foil that can help increase the mileage of electric cars.

The battery copper foil plant that is being constructed in Hungary in early 2020 will be the only battery copper foil production base in Europe. Doosan Solus will enhance its competitiveness steadily through the stable production of high-quality battery copper foil.

Strength

Developed and mass-produced copper foils (Battery copper foil) for the first time in the world
  • Developed the world's first copper foil (Battery copper foil) for batteries in 1996
  • Secured stable manufacturing/management and technology based on more than 6 decades of cumulative experience and know-how in copper foil manufacturing
Operating the only battery copper foil manufacturing base in Europe
  • Competitive delivery time for clients in Europe, close technical support for customers
  • Stable copper foil supply and quality compared to competitors
  • Providing advantages such as cost saving
Holding the world’s leading thin foil manufacturing technology
  • Supplying battery copper foil products for each battery cell type
  • Contributing to cost saving, high capacity, and high power of batteries

Main Product

  • Standard battery copper foil (BF-PLSP)
    • Standard battery copper foil for electric vehicle batteries
    • Cylindrical/Prismatic/Pouch type
    • Thickness: 6~18um
  • High-elongation battery copper foil (SR-PLSP)
    • Contributing to yield improvement by upgrading processability within the battery production process with high strength properties before heat treatment and increasing the life and stability of cylindrical and square batteries with high elongation properties after heat treatment
    • Cylindrical/Prismatic type
    • Thickness: 6~12um
  • High-strength battery foil (HTS-PLSP)
    • Possible to load much more active materials with high strength properties, contributing to the minimization of deformation at the time of battery charge and discharge by maintaining strength after heat treatment
    • Pouch type
    • Thickness: 6~12um

Manufacturing process

  1. 1. Raw material
    High-purity raw materials received
  2. 2. Dissolving
    Process of producing electrolyte for making foil by melting raw materials in the electrolyte solution
  3. 3. Plating
    Process of producing copper foil of uniform thickness by plating Cu ion on drums in electrolyte solution
  4. 4. Slitting & Sheeting
    Slitting in the width direction of the copper foil according to customer demand size
  5. 5. Inspection & Shipping
    Process of packing and shipping after stringent quality inspection

Product structure & role

Product structure & role Product structure & role

  • 1. Path of electrons generated by anode active material
  • 2. Discharge heat generated inside the battery to the outside
  • 3. Support to maintain the shape of electrode

Contact information

Battery copper foil

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Copper foil

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Electro Materials

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