Solid-state batteries (SSBs) are distinguished by their notably longer lifespan compared to traditional lithium-ion batteries. Here are some key points regarding the lifespan of solid-state batteries:
- Cycle Durability: SSBs can endure between 10,000 to 100,000 charge-discharge cycles before significant degradation occurs. This is a considerable improvement over lithium-ion batteries, which typically last between 2,000 to 3,000 cycles before showing noticeable capacity loss.
- Capacity Retention: Advanced prototypes, such as those developed by QuantumScape, can maintain over 80% of their capacity after approximately 800 cycles. This is roughly equivalent to about 386,000 kilometers of travel. Some SSBs are designed to retain up to 90% of their capacity even after 5,000 cycles.
- Long Lifespan Estimates: Research indicates that SSBs could have an operational lifespan of up to 20 years. For example, Samsung’s solid-state battery is projected to last this long while offering a range of approximately 600 miles on a single charge.
- Degradation Rates: SSBs exhibit a significantly slower rate of degradation compared to lithium-ion batteries. While lithium-ion batteries may experience substantial capacity decline after about 1,000 cycles, SSBs are engineered to minimize such issues, leading to more reliable and extended performance.
In summary, solid-state batteries are anticipated to provide a lifespan far exceeding that of conventional lithium-ion batteries. With estimates suggesting operational lives of several decades with minimal degradation, SSBs represent a promising advancement in energy storage technology, particularly for applications like electric vehicles.
