Iron phosphate (LiFePO4) batteries and ternary lithium (Li-ion) batteries both have their own advantages and disadvantages, and which one is better depends on the specific use case and requirements.
LiFePO4 batteries are known for their safety and long cycle life, making them a popular choice for applications that require a stable and reliable power source over a long period of time, such as electric vehicles, solar energy storage systems, and backup power supplies. They also have a lower risk of thermal runaway and are less likely to catch fire or explode compared to Li-ion batteries.
On the other hand, Li-ion batteries, particularly ternary lithium batteries, are known for their higher energy density, which means they can store more energy per unit of weight or volume. This makes them a popular choice for applications where high energy density is critical, such as portable electronic devices, drones, and electric bicycles. They also have a higher discharge rate and faster charging times compared to LiFePO4 batteries.
In summary, the choice between iron phosphate and ternary lithium batteries depends on the specific requirements of the application. If safety, reliability, and long cycle life are the top priorities, LiFePO4 batteries may be the better choice. If high energy density, fast charging, and high discharge rates are more important, then ternary lithium batteries may be the better option.