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Double-Sided Silicon-Carbon Anode, 4.5 mg/cm² per side
Double-Sided Anode Sheet
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This electrode sheet requires controlled drying at 90-100°C for 12-24 hours prior to cell assembly. The coated surface must be protected from bending, scratching, and contamination during all handling steps.
- Drying Requirement: Dry the electrode sheet at 90-100°C for 12-24 hours before cell assembly to remove residual solvents and moisture.
- Handling Precautions: Avoid bending, scratching, or contaminating the coated surface during cutting, punching, transfer, and stacking.
- Calculation Constraint: Do not substitute a constituent silicon capacity for the supplied composite electrode; use the listed product basis and actual punched mass in cell calculations.
This procedure outlines the drying and handling steps required before using the electrode sheet in lithium-ion cell assembly. Proper execution prevents mechanical damage and contamination that could compromise electrochemical performance.
Required Equipment:
- Dry the electrode sheet
Dry the electrode sheet at 90-100°C for 12-24 hours in a controlled atmosphere to remove residual solvents. - Transfer to clean environment
Transfer the dried sheet to a clean, dry handling environment such as an argon-filled glovebox or dry room. - Cut or punch electrodes
Cut or punch the desired electrode shapes while avoiding bending, scratching, or contaminating the coated surface.
What is the significance of the 1600 mAh/g capacity basis for this Si-C anode sheet, and how should it be used in cell calculations?
The 1600 mAh/g value is a reference capacity based on active material mass, not a guaranteed cell-level result. Actual capacity depends on the punched electrode mass and the 90.30% active material ratio of the coating formulation. Use the per-side areal loading of 4.5 mg/cm2 and the measured punched mass to calculate electrode capacity, not the 1600 mAh/g figure directly.
What current collector is used for this double-sided Si-C anode, and how does its structure affect cell assembly?
The current collector is carbon-coated copper foil with a structure of 1 μm C / 6 μm Cu / 1 μm C. The carbon coating provides a stable interface and adhesion for the silicon-carbon composite, reducing delamination risk during cycling. The thin copper layer ensures low electrical resistance, but the foil must be handled carefully to avoid bending or scratching the coating during cutting, punching, and transfer.
What are the specific drying and handling requirements for this Si-C anode sheet before cell assembly?
Before cell assembly, the electrode sheet must be dried at 90–100 °C for 12–24 hours. After drying, handle in a clean, dry environment. Avoid bending, scratching, or contaminating the coated surface during cutting, punching, transfer, and stacking to preserve coating integrity and prevent performance degradation.
Evaluation of the Si-C double-sided anode sheet with 4.5 mg/cm2 per side areal loading and 90.30% active material ratio on carbon-coated copper foil for lithium-ion battery research. The electrode provides a predefined loading for consistent cell assembly but requires extended drying at 90-100°C and careful handling to avoid surface damage.
Positive
- Defined areal loading per side: 4.5 mg/cm2 per side loading enables precise electrode balancing and areal capacity calculation for full-cell pairing.
- High active material ratio: 90.30% active material fraction in coating formulation maximizes specific capacity per unit electrode mass.
Trade-offs
- Extended drying requirement: Electrode sheet must be dried at 90-100°C for 12-24 hours prior to cell assembly, requiring oven capacity and dry handling environment.
- Surface handling sensitivity: Coated surface must not be bent, scratched, or contaminated during cutting, punching, transfer, and stacking.
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To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
