### When were lithium-ion batteries introduced?
1. **When were lithium-ion batteries introduced?**.
Lithium-ion batteries were first introduced in 1991 by Sony Corporation.
2. **What are lithium-ion batteries?**.
Lithium-ion batteries are a type of rechargeable battery commonly used in portable electronics such as smartphones and laptops. They are known for their high energy density, lightweight design, and long-lasting performance.
3. **How do lithium-ion batteries work?**.
Lithium-ion batteries work by moving lithium ions between the positive and negative electrodes during charging and discharging. When the battery is charged, lithium ions are drawn to the positive electrode, storing energy. When the battery is discharged, the ions move back to the negative electrode, releasing energy to power the device.
4. **What are the advantages of lithium-ion batteries?**.
Some advantages of lithium-ion batteries include their high energy density, which allows for longer operating times, their lightweight design, making them ideal for portable devices, and their ability to hold a charge for an extended period of time.
5. **Are there any limitations to lithium-ion batteries?**.
One limitation of lithium-ion batteries is their tendency to degrade over time, leading to a decrease in capacity. They are also sensitive to high temperatures, which can affect their performance and lifespan.
6. **How are lithium-ion batteries recycled?**.
Lithium-ion batteries can be recycled by removing valuable materials such as lithium, cobalt, and nickel. The recycling process involves breaking down the battery, separating the components, and extracting the metals for reuse in new batteries or other products.
Overall, lithium-ion batteries have revolutionized the way we power our electronic devices, offering a lightweight and efficient energy storage solution. Despite their limitations, ongoing research and development aim to improve their performance and sustainability in the future.
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