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Lithium ion capacitor water-cooling circulation system and control method thereof

A circulatory system, lithium ion technology, used in capacitors, electrolytic capacitors, double-layer capacitors, etc., can solve problems such as condensation and battery pack safety, and achieve the effect of simple structure, maintaining working temperature, and reasonable structure

Pending Publication Date: 2018-11-02
SHANGHAI CAPENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For non-airtight systems, when the surface temperature of the battery pack is too low, the water vapor in the surrounding atmosphere will continuously condense on the surface, resulting in condensation, causing safety issues for the battery pack

Method used

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  • Lithium ion capacitor water-cooling circulation system and control method thereof
  • Lithium ion capacitor water-cooling circulation system and control method thereof
  • Lithium ion capacitor water-cooling circulation system and control method thereof

Examples

Experimental program
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Embodiment 1

[0031] Such as figure 1 As shown, the lithium-ion capacitor water-cooled circulation system of the present invention includes a chilled water machine 1 and several water-cooled modules 9 . Each water-cooling module 9 includes a water-cooling plate 5, a group of lithium-ion capacitors, a battery management system (BMS) and other circuit components. The temperature of the water supply is adjusted and controlled. The water-cooled plate 5 adopts a flat tube belt, which goes around back and forth in a serpentine shape, such as figure 2 shown. Lithium-ion capacitors adopt square lithium-ion capacitors, which are regularly arranged into lithium-ion capacitor modules, and the water-cooled plate 5 is detoured between the lithium-ion capacitors, so that at least one large surface of each lithium-ion capacitor is in contact with the water-cooled plate 5 to dissipate heat. Such as Figure 5 shown. The square lithium-ion capacitor is flat as a whole, and the two opposite sides with t...

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PUM

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Abstract

The invention discloses a lithium ion capacitor water-cooling circulation system, which comprises a water cooling module and a water refrigerating machine, wherein the water cooling module comprises awater cooling plate; the water cooling plate is wound back and forth between lithium ion capacitors in a snakelike shape; the water cooling module also comprises a battery management system for detecting the ambient temperature and the temperature of the lithium ion capacitor, and adjusting and controlling the supply water temperature of the water refrigerating machine; the water cooling module is connected to the water inlet of the water refrigerating machine through a water collecting pipe; the water outlet of the water refrigerating machine is connected with the water cooling module through a water distributing pipe; and an expansion tank is further arranged on the water collecting tube or the water distributing tube and at the highest position of the system. The invention further discloses a control method of the system. The system is simple in structure and effective in control.

Description

technical field [0001] The invention relates to a lithium-ion capacitor water-cooling circulation system and a control method thereof, and is especially suitable for a lithium-ion capacitor energy storage pack. Background technique [0002] Lithium-ion capacitor is a new type of energy storage device. Its positive electrode is made of supercapacitor positive electrode material, and its negative electrode is made of lithium-ion battery negative electrode material. The characteristics of the high energy density of the battery. Therefore, Li-ion capacitors are widely used in the field of energy storage and energy recovery. [0003] Lithium-ion capacitors are currently widely used in the fields of power grid peak-shaving energy storage and rail transit start-stop energy recovery. Existing lithium-ion capacitor energy storage systems mostly use air-cooled heat exchange technology. As people's demand for electricity continues to increase, Higher requirements are also put forward...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G11/18H01G11/06
CPCH01G11/06H01G11/18Y02E60/13
Inventor 梁亚青杨娟娟沈道安田精
Owner SHANGHAI CAPENERGY TECH CO LTD
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