The invention relates to a battery cell manufacturing method, a battery cell structure, a power battery and an electric vehicle, the battery cell structure comprises a U-shaped frame and a U-shaped shell, the U-shaped frame and the U-shaped shell are mutually connected in a sealed mode to form a structural member, a cavity is formed in the structural member, and a naked battery cell and a naked battery cell insulation sheet are arranged in the cavity. The outer side of the naked battery cell is coated with the naked battery cell insulating sheet, a battery cell insulating film is arranged outside the structural part in a coating mode, a liquid injection hole communicated with the cavity is further formed in the U-shaped frame, and a sealing nail used for welding and sealing is arranged in the liquid injection hole. The invention further relates to a corresponding manufacturing process method, a power battery and an electric vehicle based on the battery cell structure, and compared with the prior art, the battery cell structure has the advantages of being simple in process, convenient to operate, capable of improving efficiency, reducing cost and the like.
本发明涉及一种电芯制造方法、电芯结构、动力电池和电动车辆,其中的电芯结构包括U型边框和U型壳,所述U型边框和U型壳彼此密封连接组成结构件且内置有空腔,所述空腔内设有裸电芯和裸电芯绝缘片,所述裸电芯绝缘片包覆于所述裸电芯外侧,所述结构件的外部包覆设置有电芯绝缘膜,所述U型边框上还设有与所述空腔连通的注液孔,所述注液孔内设置有用于焊接密封的密封钉。基于电芯结构还涉及对应的制造工艺方法、动力电池和电动车辆,与现有技术相比,本发明具有工艺简单,操作方便,提高效率,降低成本等优点。
Battery cell manufacturing method, battery cell structure, power battery and electric vehicle
一种电芯制造方法、电芯结构、动力电池和电动车辆
2021-05-18
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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 |
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