Why is a liquid cooling system important for a lithium-ion battery?

Coolant improvement The liquid cooling system has good conductivity, allowing the battery to operate in a suitable environment, which is important for ensuring the normal operation of the lithium-ion battery.

What is liquid cooling in lithium ion battery?

With the increasing application of the lithium-ion battery, higher requirements are put forward for battery thermal management systems. Compared with other cooling methods, liquid cooling is an efficient cooling method, which can control the maximum temperature and maximum temperature difference of the battery within an acceptable range.

Are lithium-ion batteries temperature sensitive?

However, lithium-ion batteries are temperature-sensitive, and a battery thermal management system (BTMS) is an essential component of commercial lithium-ion battery energy storage systems. Liquid cooling, due to its high thermal conductivity, is widely used in battery thermal management systems.

Why is a lithium-ion battery more compact than a surface cooling thermal management solution?

The design is more compact than the surface cooling thermal management solution. The reason behind this is that a lithium-ion battery does not conduct heat uniformly in all directions, unlike other solid bodies.

Can PCM and liquid cooling improve battery life?

According to simulation findings, PCM in conjunction with liquid cooling is the only way to achieve the battery life requirements (≤45 °C). For a battery pack with 40 cylindrical cells, Cao et al. suggested a delayed cooling device using PCM and a cooling plate combination.

How does liquid immersion cooling improve battery performance?

During the rest period after fast charging, the considered cooling method enabled the battery temperature to decrease by up to 19.01 °C, thereby significantly improving the thermal performance and lifespan of the battery cell . Figure 8. Schematic illustration of the reciprocating liquid immersion cooling experimental system .