Home » MAHLE to Present its Battery Cooling Plate at IAA Mobility 2023

MAHLE to Present its Battery Cooling Plate at IAA Mobility 2023

The group's engineers have developed a bionic structure – one modelled on nature – for the cooling channels that causes the coolant to flow differently.

by Aishwarya Saxena

MAHLE has developed a new battery cooling plate that will be showcased for the first time at IAA Mobility 2023.

MAHLEThe group’s engineers have developed a bionic structure – one modelled on nature – for the cooling channels that causes the coolant to flow differently.

This significantly improves the thermodynamic performance and structural-mechanical properties of the cooling plate.

As a result, MAHLE was able to increase cooling performance by 10% and reduce pressure loss by 20 percent. As a result, the battery can be reliably and homogeneously kept within the necessary temperature window. It thus becomes more efficient and can be charged more quickly. In addition, its service life is increased. MAHLE claims it has also reduced the amount of material used for the plate by up to 15%, thus saving 15% CO2.

MAHLE will present its new bionic battery cooling plate to the public for the first time at the IAA Mobility 2023 (Hall 2).

The automotive trade fair will take place in Munich from September 4 to 10, 2023.

“With our new battery cooling plate, we are breaking away from technical geometries and instead using natural structures, such as the coral shape-with outstanding effect for our cooling technology and great advantages in structural stability to boot,” said Uli Christian Blessing, head of global development thermal management at MAHLE.

Lithium-ion batteries are very temperature-sensitive. The cell temperature should not exceed 40deg Celsius over longer periods – even under extreme conditions such as fast charging.

At the same time, the temperature distribution across all cells must be as uniform as possible. The batteries are therefore usually cooled via flow-through plates.

In the latest development from MAHLE, the flow rate of the coolant is controlled according to demand: Especially in the case of small temperature differences between battery cells and coolant, heat transfer is improved by faster flow rates.

The bionic battery cooling plate from MAHLE works so efficiently that the temperature range can be reduced by 50 percent and peak temperatures in particular can be significantly lowered. In this way, the Group makes a major contribution to the service life and performance of the expensive battery.

The bionic structure also offers design advantages. Greater rigidity makes it possible to use the battery cooling plate with lower material thicknesses.

This further improves its effectiveness. In addition, there are more degrees of freedom to enable new manufacturing processes with less energy and material input. A contribution to sustainability.

The MAHLE IAA booth can be found at the Messe Munich exhibition center (Summit) in Hall A2. In addition, the technology group is presenting its new automated positioning system for wireless charging, which the group developed as part of a joint project with Siemens, in the Testing Area in Hall C2.

Furthermore, with E-HEALTH Charge, MAHLE presents how the sensitive lithium-ion battery can be optimally examined in the workshop, its condition assessed, and charged at the same time.

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