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Chapter 3 - Quiz

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1. What is the main characteristic of lithium-ion batteries?
Low production cost Very low energy density High energy density Very long recharge time
2. What is the function of the separator in a battery?
Store energy Prevent short circuits Replace the cathode Increase temperature
3. Which battery is recommended for solar applications due to its long lifespan?
LiPo LiFePO4 NMC Lead-acid
4. What is the primary role of the BMS in a Lithium battery?
Charge the battery faster Create electricity Cool the cells Manage safety and performance
5. What is the typical self-discharge rate of a Li-ion battery?
10% per month 5% per month 2-3% per month 15% per month
6. What depth of discharge can a LiFePO4 battery withstand?
30% 50% 80% 100%
7. What does "BMS" stand for in the context of lithium batteries?
Battery Monitoring Sensor Battery Management System Battery Maintenance Service Battery Material Safety
8. The charge/discharge efficiency of a lithium battery is close to:
70% 80% 90% 100%
9. In case of a short circuit, the risk is:
Thermal runaway Reduction in cycles Voltage loss only None of the above
10. What is the main environmental drawback of lithium batteries?
Poor performance Density too low Complex recycling and critical metals Natural overheating