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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


In stock
Item Number: bc-cf-241-ds

Quantity Discounts

QuantityAmount
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 double side, and  
is used as the anode electrode of Li-Ion battery -- 5 sheets /bag

Specifications

  • Current collector (substrate): Copper foil, 9 micron
  • Anode material: Composite Graphite
  • Active powder SSA (BET): 3~5 m^2/g
  • Binder: SBR+CMC
  • Double sides active material density: 120g/㎡
  • Active Material Weight: 5.0176g
  • Active Material Proportion in Powder: 95.70%
  • Length: 241mm
  • Width: 200mm
  • Total Thickness: 90 um +/- 5 um
  • Foil Thickness: 10 um +/- 3 um
  • Coating Thickness:140 um +/- 8 um (double sized coated)
  • Specific Capacity: 330mAh/g
  • Net Weight: 14 g
  • Double side coated
  • Qty: 5 Sheets/bag
  • Note:  if you use the electrode sheet for single layer button cell, you shall
    remove one layer coating by a sand paper to make one side contact to button cell case.


    How to make water-based electrode (graphite for 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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1. Prices listed online are valid for US market and whom pay by credit card only. There will be extra charges for shipping & handling. Price various from country to country.
2. We may add extra charges for paper order and net30 terms due to extra labor cost.
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