1. Case 1: Manual Assembly VS Auto Assembly
For NCM materials:
- The range of charge/discharge specific capacity for NCM with automatic assembly is 0.6~0.9 mAh/g (σ ≈ 0.25), while with manual assembly it is 1~2 mAh/g (σ ≈ 0.4).
For Silicon-based anode materials:
- The range of charge/discharge specific capacity for Si-based materials with automatic assembly is 15~20 mAh/g (σ ≈ 4~6), while with manual assembly it is 20~40 mAh/g (σ ≈ 5~10).
Conclusion: While the average specific capacity values obtained from automated and manual assembly methods were comparable for both material types, automated assembly demonstrated superior stability compared to manual assembly.
2. Case 2: Automatic Coin Cell Assembly of LFP Cathodes
Conclusion:
- The standard deviation (σ) for the charge/discharge specific capacity of each group is less than 0.4.
- The range for the charge/discharge specific capacity of each group is less than 1.5 mAh/g.
- The coefficient of variation (COV) for the charge/discharge specific capacity of each group is less than 0.3%.
3. Case 3: Automatic Coin Cell Assembly of Graphite Anodes
Conclusion:
- The standard deviation (σ) for the discharge specific capacity in each group is less than 0.8, and for the chargespecific capacity, it is less than 0.5.
- The range for the discharge specific capacity in each group is less than 2.1 mAh/g, and for the charge specificcapacity, it is less than 1.5mAh/g.
- The coefficient of variation (COV) for both charge and discharge specific capacity in each group is less than 0.2%.
4. Case 4: Curling Issue of Single-Sided Electrodes after Calendering and Punching
Conclusion:
- Our specially designed suction cup can ensure that the curled electrodes are sucked evenly and flatly.
- Our visual positioning system can avoid the placement position deviation caused by the curling of the electrodes.
- The positive electrode shell is pressed down horizontally to flatten the curled electrode that contacts the electrolyte.
