| Design of Assembled Sealing for Power Battery Package |
| Received:July 21, 2022 Revised:July 21, 2022 |
| DOI：10.12136/j.issn.1000-890X.2024.05.0394 |
| Key Words: power battery package；assembly type sealing strip；contact pressure；dimension tolerance；numerical simulation |
| Author Name | Affiliation | E-mail | | ZHANG Yixiang* | Saic Volkswagen Automotive Co.，Ltd | 437664301@qq.com | | QIAO Shuping | Saic Volkswagen Automotive Co.，Ltd | | | ZHAO Chuanjun | Saic Volkswagen Automotive Co.，Ltd | | | YU Yongjiang | Saic Volkswagen Automotive Co.，Ltd | | | ZHU Xiaoyi | Saic Volkswagen Automotive Co.，Ltd | | | QIN Xiaopan | Saic Volkswagen Automotive Co.，Ltd | |
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| Abstract: |
| Taking the assembled sealing strip as example，the design dominants for the sealing strip of the power battery package include development system and classification，sections design，performance requirement，material selection，positioning accuracy and dimension tolerance.The contacting forces between the upper and lower surfaces of the sealing strip were greater than 0.01 MPa，sealing strip achieved safety sealing，and the sealing level reached IPX7.The optimal selection for main material of the sealing strip rubber material was ethylene-propylene-diene rubber（EPDM），and the dimension tolerance of the sealing strip adopted M1 level，the partition adopted positioning method. |
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