Electrical Characterization and Micro X-ray Computed Tomography Analysis of Next-Generation Silicon Alloy Lithium-Ion Cells
Abstract
:1. Introduction
2. Experimental
2.1. Investigated Cells
2.2. Electrical Testing
2.3. Micro X-ray Computed Tomography
3. Results and Discussion
3.1. Electrical Characterization
3.1.1. Preconditioning
3.1.2. Quasi-Open-Circuit Voltage
3.1.3. Capacity Test
3.1.4. Hybrid Pulse Power Characterization Test
3.2. 3D X-ray Computed Tomography Analysis
3.2.1. Investigation of Pouch Cells Directly after Cell Formation
3.2.2. Investigation of Pouch Cells after BoL Tests
3.3. Discussion
3.4. Investigation of the Effect of External Pressure
4. Conclusions
5. Future Work
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Anode | Cathode | |
---|---|---|
Electrode composition | 55% Si alloy (3M) | 93% NMC 5:3:2 |
33% SMG-A3 | 4% Carbon | |
10% LiPAA | 3% HSV 900+ ADX 161 (Arkema) | |
2% Super PLi | ||
Loading (mg/cm) | 6.5 | 17.5 |
Electrode density (g/cc) | 1.7 | 3.0 |
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Berckmans, G.; De Sutter, L.; Kersys, A.; Kriston, A.; Marinaro, M.; Kasper, M.; Axmann, P.; Smekens, J.; Wohlfahrt-Mehrens, M.; Pfrang, A.; et al. Electrical Characterization and Micro X-ray Computed Tomography Analysis of Next-Generation Silicon Alloy Lithium-Ion Cells. World Electr. Veh. J. 2018, 9, 43. https://doi.org/10.3390/wevj9030043
Berckmans G, De Sutter L, Kersys A, Kriston A, Marinaro M, Kasper M, Axmann P, Smekens J, Wohlfahrt-Mehrens M, Pfrang A, et al. Electrical Characterization and Micro X-ray Computed Tomography Analysis of Next-Generation Silicon Alloy Lithium-Ion Cells. World Electric Vehicle Journal. 2018; 9(3):43. https://doi.org/10.3390/wevj9030043
Chicago/Turabian StyleBerckmans, Gert, Lysander De Sutter, Algirdas Kersys, Akos Kriston, Mario Marinaro, Michael Kasper, Peter Axmann, Jelle Smekens, Margret Wohlfahrt-Mehrens, Andreas Pfrang, and et al. 2018. "Electrical Characterization and Micro X-ray Computed Tomography Analysis of Next-Generation Silicon Alloy Lithium-Ion Cells" World Electric Vehicle Journal 9, no. 3: 43. https://doi.org/10.3390/wevj9030043