Thermal Management Systems Including Vapor Chambers and Phase Change Materials and Vehicles Including the Same
First Claim
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1. A thermal management system for removing waste heat from a battery cell comprising:
- a unit cell that comprises;
a vapor chamber comprising an evaporator surface and a condenser surface, wherein the evaporator surface and the condenser surface are fluidly connected by a wick; and
a phase change material (PCM) shell encapsulating a PCM, whereinthe evaporator surface is thermally coupled to the battery cell and absorbs waste heat generated by the battery cell, andthe condenser surface is thermally coupled to the PCM and rejects waste heat to the PCM.
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Abstract
A thermal management system for removing waste heat from a battery cell. The thermal management system includes a unit cell that includes a vapor chamber including an evaporator surface and a condenser surface. The evaporator surface and the condenser surface are fluidly connected by a wick. The unit cell also includes a phase change material (PCM) shell encapsulating a PCM. The evaporator surface is thermally coupled to the battery cell and absorbs waste heat generated by the battery cell. The condenser surface is thermally coupled to the PCM and rejects waste heat to the PCM.
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Citations
20 Claims
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1. A thermal management system for removing waste heat from a battery cell comprising:
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a unit cell that comprises; a vapor chamber comprising an evaporator surface and a condenser surface, wherein the evaporator surface and the condenser surface are fluidly connected by a wick; and a phase change material (PCM) shell encapsulating a PCM, wherein the evaporator surface is thermally coupled to the battery cell and absorbs waste heat generated by the battery cell, and the condenser surface is thermally coupled to the PCM and rejects waste heat to the PCM. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A unit cell for a battery module, the unit cell comprising:
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a vapor chamber comprising an evaporator surface and a condenser surface, wherein the evaporator surface and the condenser surface are fluidly connected by a wick; and a phase change material (PCM) shell encapsulating a PCM, wherein the evaporator surface is configured to transfer heat to a working fluid to heat the working fluid to evaporate the working fluid, the condenser surface is configured to transfer heat from the working fluid to the PCM to condense the working fluid, and a latent heat of fusion temperature of the PCM is lower than a latent heat of vaporization temperature of the working fluid. - View Dependent Claims (13)
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14. A vehicle including a thermal management system for removing heat from a plurality of battery cells of a battery module of the vehicle, the thermal management system comprising an array of unit cells, each unit cell comprising:
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a vapor chamber comprising a working fluid and an evaporator surface and a condenser surface that are fluidly connected by a wick; and a phase change material (PCM) shell encapsulating a PCM, wherein the evaporator surface is thermally coupled to at least one of the plurality of battery cells and absorbs waste heat generated by at least one of the plurality of battery cells; and the condenser surface is thermally coupled to the PCM and rejects waste heat to the PCM. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification