Sulfur-Carbon (S/C, 75%) Coated Aluminum Foil as Cathode Electrode (Disc, Sheet) for Li-Ion Battery, CLSBCESC
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Sulfur-Carbon (S/C) composite powder coated on aluminum foil electrode (disc, sheet, roll) can be used as lithium-sulfur (Li-S) battery cathode. The round disc shape with single-side coating is suitable for coin cell testing, while the rectangle sheet shape with single- or double-side coating is designed for single-layer or multiple-layer pouch cell testing. The roll shape with double-side coating is designed for cylindrical cell electrodes after slitting.
| Part Number | C-LSB-CE-SC (CLSBCESC) |
| Current collector | 15 um aluminum foil |
| Coating Material | S/C composite powder (75 wt% S content) |
| Coating Slurry Recipe | S/C: PVDF: Super P = 94% : 3% : 3% |
| Electrode Dimension |
Round disc shape: D = 10 - 15 mm (other diameter discs are also available). Rectangle sheet shape: L80mm*W50mm (full coating on aluminum foil. If the empty edge space is needed for welding, then a tweezer can be used to slightly scratch the edge coating area) |
| Package Size |
Round disk D15 mm (50 pcs/pack) Rectangle sheet with SS & DS coating (5 pcs/pack) |
| Loading Mass Density | 4.1 mg/cm2 (single side); 8.2 mg/cm2 (double side) |
| Compaction Density | 2.8 g/cm3 (single side); 3.4 g/cm3 (double side) |
| First Discharging Capacity |
~1100 mAh/g (0.5 C, 1.5-2.6 V, electrolyte: 1 mol/L LiTFSI in DOL:DME =1:1)  Note: Please add relatively excess electrolyte amount due to the high loading mass).
|
| First Columbic Efficiency | 88.6 % |
Notes: (1) Please store the S/C electrodes in a dry area (glovebox is preferred); (2) The battery electrodes are highly recommended to be dried at 80-100°C in a vacuum oven for 6-12 h before use.
References:
- F. Schmidt, et al. Impact of the Carbon Matrix Composition on the S/C Cathode Porosity and Performance in Prototype Li–S Cells, Energy Technology, 2023, 11, 2300518.
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P. Wu, et al. Insight into the positive effect of porous hierarchy in S/C cathodes on the electrochemical performance of Li–S batteries,Nanoscale, 2018,10, 11861-11868.