The invention discloses a battery pack cover plate, a battery pack and a vehicle, the battery pack cover plate comprises a first substrate, the thickness of the first substrate is a1, the unit is mm, the yield strength of the first substrate is b1, and the unit is MPa; the first substrate is a composite material plate, the second substrate is a composite material plate, the second substrate is located on the surface of one side of the first substrate, the thickness of the second substrate is a2, the unit is mm, the tensile strength of the second substrate is b2, the unit is MPa, and the first substrate and the second substrate meet the following conditions that a1 * b1 + a2 * b2 * c1 is larger than or equal to 290 and smaller than or equal to 1200, and c1 is a constant. Therefore, the battery pack cover plate has a good pressure bearing effect and can be used as a sealing cover structure of a battery pack; the battery pack cover plate has the advantages of being simple in structure, good in supporting performance and capable of being used as a vehicle body floor structure, achieving high integration of the battery pack cover plate and the vehicle body floor, saving arrangement space, reducing the weight of a whole vehicle and meeting safety requirements under extreme working conditions.
本申请公开了电池包盖板、电池包和车辆,电池包盖板包括:第一基板,所述第一基板的厚度为a1,单位为mm,所述第一基板的屈服强度为b1,单位为MPa;第二基板,所述第二基板为复合材料板,所述第二基板位于所述第一基板的一侧表面,所述第二基板的厚度为a2,单位为mm,所述第二基板的拉伸强度为b2,单位为MPa,所述第一基板和所述第二基板满足以下条件:290≤a1·b1+a2·b2·c1≤1200,其中所述c1为常数。由此,该电池包盖板既具有较好的承压效果,可以作为电池包的封盖结构使用;还具有较好的支撑性能,又可以作为车身地板结构使用,实现了电池包盖板与车身地板的高度集成,节省了设置空间,降低了整车重量,满足极端工况下的安全要求。
Battery pack cover plate, battery pack and vehicle
电池包盖板、电池包和车辆
2024-08-02
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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