The invention provides a lithium ion battery photo frame filled with a phase change material. The photo frame comprises a photo frame body forming a photo frame module; a battery cell cavity for arranging a battery cell and a phase-change material filling cavity for filling the phase-change material are arranged in the photo frame body; the phase-change material filling cavity is arranged outsidethe battery cell cavity in a surrounding manner to cool the battery cell in the battery cell cavity; the phase-change material filling cavity is provided with an exhaust hole which is communicated with the outside and is used for balancing internal and external pressure, an acting surface, welded to a battery cell tab, of the photo frame body is arranged in an opening manner, and an aluminum sheetis arranged between the phase-change material filling cavity and the battery cell cavity of a symmetric acting surface with the maximum area of the photo frame body. According to the invention, the space of the battery and the whole vehicle is saved, the thermal resistance in the heat conduction process can be reduced, the consistency of the temperature of the battery is effectively improved, thesystem temperature difference is reduced, the thermal management performance is improved, the service life of the battery is prolonged, the battery electric quantity is saved, and safety and reliability are realized.
本发明提供一种填充相变材料的锂离子电池相框,包括构成相框模组的相框本体,所述相框本体内设有设置电芯的电芯腔和填充相变材料的相变材料填充腔,所述相变材料填充腔包围设置在电芯腔的外部给电芯腔内的电芯冷却降温,所述相变材料填充腔上设有与外部相通用于平衡内外压力的排气孔,所述相框本体焊接电芯极耳的一作用面为开口式设置,所述相框本体最大面积的一对称作用面的相变材料填充腔与电芯腔之间设有铝片。本发明节省了电池与整车空间,同时又可以减小热传导过程中的热阻,有效提高了电池本身温度的一致性,减小系统温差,提高了热管理性能,延长了电池的使用寿命,节省了电池电量,安全可靠。
Lithium ion battery photo frame filled with phase change material
一种填充相变材料的锂离子电池相框
2020-08-14
Patent
Electronic Resource
Chinese
IPC: | H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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