This study introduces a pioneering BTMS solution merging a two-phase immersion cooling system with heat pipes. Notably, the integration of NovecTM 649 as the dielectric fluid substantially mitigates thermal runaway-induced fire risks without requiring an additional power source.
This paper proposes a smart battery thermal management system utilizing heat pipes as a thermal bus to efficiently remove heat. The system couples a standard air conditioning system with...
This study introduces a pioneering BTMS solution merging a two-phase immersion cooling system with heat pipes. Notably, the integration of NovecTM 649 as the
This paper presents a novel cooling structure for cylindrical power batteries, which cools the battery with heat pipes and uses liquid cooling to dissipate heat from the heat pipes. Firstly,
It combines finned heat pipes with a single-phase static immersion fluid, achieving optimal battery pack homogeneity in existing studies while outperforming the
Immersion cooling systems provide a direct approach to managing heat, submerging battery cells in a non-conductive liquid to dissipate heat evenly. This method addresses the core challenge of maintaining optimal temperature, ensuring consistent energy output and extending battery life.
The cooling system involves inserting a heat pipe directly into the battery module and attaching it to the battery core. This allows rapid heat transfer between the core and the heat pipe, preventing hot spots and uniformizing core temperatures. The heat pipe can then be cooled externally to prevent overall module overheating. The direct core
To solve this problem, a new cooling concept using an oscillating heat pipe (OHP) is proposed. In the present study, an OHP has been adopted for Li-ion battery cooling. Due to the limited space in EVs, the cooling channel is installed on the bottom of the battery module.
To overcome this issue, an innovative BTMS approach based on heat pipes with an integrated thermal switch, developed by the Fraunhofer Cluster of Excellence Programmable Materials (CPM), is presented in this
To overcome this issue, an innovative BTMS approach based on heat pipes with an integrated thermal switch, developed by the Fraunhofer Cluster of Excellence Programmable Materials (CPM), is presented in this paper. The suggested BTMS consists of switchable heat pipes which couple a passive fin-based cold plate with the battery cells.
In this work, a new battery thermal management system named wet cooling with fins is proposed, which combines spray wet cooling with flat heat pipes. In order to numerically compare its efficiency with traditional air cooling, the prismatic LiB monomer and heat pipe are experimentally tested to determine the effective parameters, a cooling
It combines finned heat pipes with a single-phase static immersion fluid, achieving optimal battery pack homogeneity in existing studies while outperforming the performance of conventional immersion cooling. The method is particularly suitable for energy storage batteries and small and medium-sized battery pack cooling applications. This paper
The cooling system involves inserting a heat pipe directly into the battery module and attaching it to the battery core. This allows rapid heat transfer between the core and the heat pipe, preventing hot spots and uniformizing core temperatures. The heat pipe can
Immersion cooling systems provide a direct approach to managing heat, submerging battery cells in a non-conductive liquid to dissipate heat evenly. This method
EV current situation analysed and needs for Thermal management highlighted. Reviewed more than 100 papers on the application of Heat Pipes to BTMS. Papers classified depending on the additional cooling method that complemented Heat Pipes. Identified research limitations and next steps to improve adoption of this technology by EV market.
To solve this problem, a new cooling concept using an oscillating heat pipe (OHP) is proposed. In the present study, an OHP has been adopted for Li-ion battery cooling. Due to the limited
This paper proposes a smart battery thermal management system utilizing heat pipes as a thermal bus to efficiently remove heat. The system couples a standard air conditioning system with...
In this work, a new battery thermal management system named wet cooling with fins is proposed, which combines spray wet cooling with flat heat pipes. In order to numerically
This paper presents a novel cooling structure for cylindrical power batteries, which cools the battery with heat pipes and uses liquid cooling to dissipate heat from the heat pipes. Firstly, the structure is parameterized and the numerical model of the battery pack is established based on different parameters. After that, the simulation is
EV current situation analysed and needs for Thermal management highlighted. Reviewed more than 100 papers on the application of Heat Pipes to BTMS. Papers classified
Heat pipes can be connected to a heat and cold generation system to provide heating or cooling to the batteries . Extended experimental activities have been realized for the application of heat pipes to battery thermal management [168, .
The literature analysis presented in this review has showcased the versatility of the devices belonging to the heat pipe family for the thermal management of batteries in EVs.
As Figure 1 illustrates, the principles of a heat pipe cooling system are as follows. The heat pipe comprises three key parts: the evaporator section, the adiabatic section, and the condenser part. The process begins with the battery coming into contact with the evaporator area, serving as an external heat source.
The system involves submerging the batteries in a non-conductive liquid, circulating the liquid to extract heat, and using an external heat exchanger to further dissipate it. This provides a closed loop immersion cooling system for the batteries. The liquid submergence and circulation prevents direct air cooling that can be less effective.
Two variants of thermal management concepts, showing possible integration of heat-pipe-based thermal switches in EVs. On the left, the heat pipes are oriented vertically and shown transverse to the driving direction. On the right, the heat pipes are oriented horizontally and shown parallel to the driving direction.
These wicks are saturated with the working fluid, and capillary forces within the wick induce upward movement of the working fluid. Simultaneously, some of the working fluid vaporizes into a gaseous state due to the battery’s heat, ascending as well. Figure 4. Principle of heat pipe embedded immersion cooling system.
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