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Consider the following statements: 1. A solid-state battery has a higher energy density than a Lithium-ion battery that uses liquid electrolyte solution. 2. A solid-state battery is cost-effective as compared to a Lithium-ion battery. Which of the statements given above is/are correct?

Consider the following statements: 1. A solid-state battery has a higher energy density than a Lithium-ion battery that uses liquid electrolyte solution. 2. A solid-state battery is cost-effective as compared to a Lithium-ion battery. Which of the statements given above is/are correct? Correct Answer Both 1 and 2

The correct answer is Both 1 and 2.

Key Points

  • A solid-state battery offers a better energy density than a liquid electrolyte solution-based Lithium-ion battery.
  • Because there is no danger of explosion or fire, there is no need for safety components, which saves space. This leads to putting more active materials in the battery, which in turn increases battery capacity. Hence option 1 is correct.
  • Because just a few cells are required, a solid-state battery can boost energy density per unit space.
  • Solid-state batteries maintain their 90% capacity even after 5000 charge cycles which makes them more cost-effective. Hence option 2 is correct.
  • A solid-state battery can increase energy density per unit area since only a small number of batteries are needed. For that reason, a solid-state battery is perfect to make an EV battery system of module and pack, which needs high capacity. 
  • Electric vehicles are planning to incorporate sold state batteries in their production. Companies such as Ford has even started this trend.

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