集成保温功能的热塑性复合材料电池箱体开发与验证  

Development and Validation of Thermoplastic Composite Material Battery Housing with Integrated Insulation Structure

作　　者：王振涛 宋兆普 张占江 曹云飞 孙博 佟舟 Wang Zhentao;Song Zhaopu;Zhang Zhanjiang;Cao Yunfei;Sun Bo;Tong Zhou(Global R&D Center,China FAW Corporation Limited,Changchun 130013;Kautex(shanghai)plastic technology Co.,Ltd.,Shanghai 200122)

机构地区：[1]中国第一汽车股份有限公司研发总院,长春130013 [2]考泰斯(上海)塑料技术有限公司,上海200122

出　　处：《汽车工艺与材料》2024年第11期37-45,共9页Automobile Technology & Material

摘　　要：通过对比材料性能和成本,确定采用45%质量分数的玻璃纤维(GF)增强的尼龙(PA)复合材料制作电池箱体,根据电池系统给定的包络、电气性能、保温性能要求确定了电池箱体的结构设计方案。对集成了保温结构的复合材料电池系统进行计算机辅助工程(CAE)分析,利用了LFT-D工艺制造了复材电池箱体的等比例样件并集成了保温结构,并进行了对应的计算流体力学(CFD)软件分析和保温性能测试,证明该箱体的机械性能和保温性能满足设计要求。相比铝合金箱体,该箱体兼有轻量化和低成本的优势。This study first compared the material properties and costs to determine the use of 45%by mass glass fiber(GF)reinforced nylon(PA).Based on the envelope,electrical performance,and insulation requirements given by the battery system,the structural design scheme of the integrated insulation structure battery housing has been determined.CAE analysis was conducted on this housing with integrated insulation structure.Equal proportion samples of the composite housing were manufactured using LFT-D technology and the insulation structure was integrated.Corresponding CFD analysis and insulation performance testing were carried out;Simulation analysis and sample testing have proven that the mechanical and insulation properties of this housing meet the design specifications,and compared to aluminum alloy housing,the housing also has the advantages of lightweight and low cost.

关 键 词：热塑性复合材料 复合材料电池箱体 动力电池 保温 锂离子电池 

分 类 号：TQ327.11[化学工程—合成树脂塑料工业]