-BYD Blade Battery

BYD Blade Battery
author:enerbyte source:本站 click371 Release date: 2023-08-15 09:16:15
abstract:
At present, there are two main directions for power batteries, one is lithium iron phosphate batteries, and the other is ternary batteries. Due to low specific energy and limited vehicle volume, lithium iron phosphate batteries have always had a short range; Although ternary batteries have the...

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At present, there are two main directions for power batteries, one is lithium iron phosphate batteries, and the other is ternary batteries. Due to low specific energy and limited vehicle volume, lithium iron phosphate batteries have always had a short range; Although ternary batteries have the advantage of higher specific energy compared to the former, their cost is higher. Based on the current high prices of battery materials, it is not easy to achieve the goal of achieving market advantage by reducing costs for ternary batteries. However, lithium iron phosphate batteries can achieve a certain comparative advantage by improving specific energy through technological innovation while maintaining lower costs. It is precisely this concept that has led to the emergence of # BYD Blade Battery #.

The thin and long design of the 'blade battery' reduces many accessories and structural components. Previously, only about 40% of the space in battery packs was for the battery itself, while "blade batteries" could increase space utilization by 50% -60%. High space utilization can increase the range to 600 kilometers, which is completely comparable to a ternary battery.

Regarding this, some hostages suspect that the "blade battery" only improves the volume energy density through structural changes, which is not comparable to the weight energy density. They also point out that the current weight density of the "blade battery" system is only 140Wh/kg, which is significantly behind the weight density of 180Wh/kg of the "811 battery" in the Ningde era. This comparison is not fair. Firstly, the ternary battery has been marketed and promoted for many years, making it a very mature product. However, there is still great room for improvement and enhancement in the "blade battery".

In fact, through technological improvements, mature "blade batteries" can also reach a weight density of 180Wh/kg (BYD will launch "blade batteries" with this energy density in 2022). Secondly, in terms of chemical system, lithium iron phosphate batteries and ternary batteries are not the same category, and it is not advisable to simply compare a certain performance.

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