Two-phase immersed battery liquid cooling device for storing energy by utilizing phase change material

A phase change material, immersion technology, used in battery/fuel cell control devices, batteries, vehicle energy storage, etc., can solve problems such as low thermal conductivity, heat absorption, and limited quality of phase change materials

Pending Publication Date: 2020-10-30
DALIAN UNIV OF TECH
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  • Claims
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Problems solved by technology

However, due to the low thermal conductivity of phase change materials and the limited quality of the battery box that can accommodate phase change materials, it is impossible to absorb heat in a timely manner under high-rate discharge or long-term discharge conditions by relying solely on phase change materials for cooling.

Method used

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  • Two-phase immersed battery liquid cooling device for storing energy by utilizing phase change material
  • Two-phase immersed battery liquid cooling device for storing energy by utilizing phase change material
  • Two-phase immersed battery liquid cooling device for storing energy by utilizing phase change material

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Embodiment Construction

[0025] The specific implementation manners of the present invention will be further described below in conjunction with the accompanying drawings and technical solutions.

[0026] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. However, it should be understood that these descriptions are only for further illustrating the features and advantages of the present invention, rather than limiting the claims of the present invention.

[0027] The invention discloses a two-phase submerged battery liquid cooling device using phase change materials for energy storage, comprising: a battery 1, a box body 2, an upper cover plate 3 of the box body, a cooling coil 4, fins 5, and a fluorinated liquid 6. Phase change material 7; the battery 1 is located at the bottom of the box body 2; the cooling coil 4 is arranged inside the upper cover plate 3 of the box body and connected...

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Abstract

The invention belongs to the technical field of power batteries and provides a two-phase immersed battery liquid cooling device for storing energy by using a phase change material. Fins are filled with the phase-change materials so that when an electric automobile runs for a short distance, heat released by a power battery can be absorbed only by the phase-change materials in the fins, a cooling system does not need to be opened, and cooling energy consumption during short-distance running of the electric automobile is reduced. When the electric automobile runs for a long distance, the phase-change materials in the fins can be firstly used for absorbing heat generated by the power battery, when the phase-change materials are completely melted, the cooling system is started to cool the battery and the phase-change materials, cooling energy consumption is minimized in the whole process, and the endurance mileage of the electric automobile in the long-distance running process is greatly increased.

Description

technical field [0001] The invention belongs to the technical field of power batteries, and in particular relates to a two-phase submerged battery liquid cooling device utilizing phase change materials for energy storage Background technique [0002] my country is currently the country with the largest number of automobiles. The pollution caused by automobiles has brought a very severe test to our country. Therefore, intensifying research and development of new energy vehicles has become an urgent problem to be solved for the sustainable development of the automobile industry. The power battery is the heart of the car, which affects the performance of electric vehicles in all aspects. In order to make the power battery work stably, the temperature of the battery needs to be controlled reasonably. Therefore, the battery thermal management system is very important for the power battery. [0003] In the current thermal management of power batteries, there are mainly four heat d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/613H01M10/625H01M10/6556H01M10/6567H01M10/6569H01M10/659H01M2/10B60L58/26
CPCB60L58/26H01M2220/20H01M10/613H01M10/625H01M10/6556H01M10/6567H01M10/6569H01M10/659Y02E60/10Y02T10/70
Inventor 李羽白李洋
Owner DALIAN UNIV OF TECH
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