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Li-Ion Battery Anode -Double Layer CMS Graphite Coated on Copper Foil (241mm L x 200mm W x 90um Thick) 5 sheets/bag bc-cf-241-ds

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Item Number: bccf-ds

Quantity Discounts

5 to 9USD$246.81
10 to 19USD$233.82
20 or moreUSD$220.83
This electrode sheet is based on copper foil coated by carbon in the double sides, and  
is used as the anode electrode of Li-Ion battery -- 5 sheets /bag


  • Current collector (substrate): Copper foil, 9 micron
  • Anode material: Composite Graphite
  • Binder: SBR+CMC (2.5% SBR, 1.8% CMC), conductive carbon" Super P, 2.5% 
  • Compaction density: 1.4 mg/cm3
  • Double sides active material density: 120g/㎡
  • Active Material Proportion in Powder: 93.2%
  • Length: 241mm, Width: 200mm (coating width of 175 mm, left and right-hand side is 12.5 mm without coating)
  • Total Thickness: 90 um +/- 8 um
  • Foil Thickness: 10 um +/- 3 um
  • Coating Thickness:80 um +/- 5 um (double side coated) ( 40 micron on each side )
  • Specific Capacity: 330mAh/g (Areal Capacity: 3.79 mAh/cm2; Measured by IEC standard : 0.2C current, 4.2V -2.5V cut off . Half cell )
  • Qty: 5 Sheets/bag
    Warning:  Please dry in vacuum oven before using and store it inside the glovebox after opening the package. The recommended temperature and time can be 80-120 °C for 6-12h.
  • Note:  if you use the electrode sheet for single layer button cell, you shall
    remove one layer coating with sandpaper to make one side contact to the button cell case.

    How to make a water-based electrode (graphite for the anode) for your reference:
    1. Weight Ratio (All other weights depends on how much active power your will use):
    Active Powder: 92.5%
    CMC: 1.5%
    SBR liquid: 2.5%
    Conductive: 3.5%
    Absolute Alcohol: 15ml/kg graphite
    DI water: At least 125% of graphite
    2. Make liquid thicken agent:
    Heat up Deionized water to 60C and then slowly put the CMC into it and keep stirring unless all of them dissolved.
    3. Put alcohol into 125% Deionized water and then to conductive powder to stir.
    4. Put active powder into 3 and stir (better have vacuum mixing)
    5. Put liquid thicken agent into 4 and stir (better have vacuum mixing)
    6. Put SBR into 5 and stir (better have vacuum mixing)
    7. Take a little sample and test the viscosity, if, in 3000-5000 mPa·s, it is OK to coat, if over, put some Deionized water, if less, the binder in (CMC and SBR)
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