With the continuous promotion of new energy vehicles, the problems exposed by new energy vehicles are becoming increasingly prominent, especially the spontaneous combustion at high temperatures or in the event of a collision and the range issues at low temperatures, which have attracted everyone's attention. In order to overcome the problem of battery spontaneous combustion, BYD has developed and launched the Blade Battery, which is very long and thin and looks like a blade, hence the name "Blade Battery". Let's take a look at the advantages and disadvantages of the Blade Battery.
Are blade batteries made of lithium iron phosphate?
The blade battery is actually called a super lithium iron phosphate battery. It's called a blade battery because its arrangement resembles a blade inserted into the battery pack. While essentially a lithium iron phosphate battery, its structure differs from ordinary lithium iron phosphate batteries. It eliminates the battery module and uses a new packaging technology, resulting in a higher energy density than traditional lithium iron phosphate batteries, approaching that of ternary lithium batteries. Therefore, its battery life is also improved.
The difference between blade batteries and ternary lithium-ion batteries
Ternary lithium batteries are lithium-ion batteries whose cathode material is composed of nickel-cobalt-manganese or nickel-cobalt-aluminum materials in a specific ratio. Blade batteries, as a type of super lithium iron phosphate battery, belong to the same lithium-ion battery category as ternary lithium batteries, but their cathode material is lithium iron phosphate. Therefore, the most fundamental difference between blade batteries and ternary lithium batteries lies in their cathode materials. These different cathode materials classify them into two different battery types.
Blade batteries differ significantly from traditional ternary lithium batteries in their manufacturing process. Blade batteries are manufactured using a module-less process, which simplifies the manufacturing process, improves space utilization, and reduces manufacturing costs compared to traditional ternary lithium batteries that use modules to form battery packs.
However, while the density of blade batteries is not as high as that of ternary lithium batteries, they offer higher safety performance. Compared to the instability of ternary lithium batteries, blade batteries have a more robust safety margin and a longer lifespan.
In summary, the main differences between blade batteries and ternary lithium-ion batteries lie in cathode materials, manufacturing processes, cost, energy density, safety performance, lifespan, and environmental performance. It can be said that blade batteries outperform ternary lithium-ion batteries in all aspects.
