Article(id=1200492476067861092, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1200492472695648768, articleNumber=null, orderNo=null, doi=10.19710/J.cnki.1003-8817.20240173, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1764149310365, onlineDateStr=2025-11-26, pubDate=1732032000000, pubDateStr=2024-11-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1764149310365, onlineIssueDateStr=2025-11-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1764149310365, creator=13701087609, updateTime=1764149310365, updator=13701087609, issue=Issue{id=1200492472695648768, tenantId=1146029695717560320, journalId=1189873562199433220, year='2024', volume='', issue='11', pageStart='1', pageEnd='72', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1764149309561, creator=13701087609, updateTime=1764149309561, updator=13701087609, preIssue=null, nextIssue=null, ext=null, issueFiles=null}, startPage=37, endPage=45, ext={EN=ArticleExt(id=1200492476298547817, articleId=1200492476067861092, tenantId=1146029695717560320, journalId=1189873562199433220, language=EN, title=Development and Validation of Thermoplastic Composite Material Battery Housing with Integrated Insulation Structure, columnId=null, journalTitle=Automobile Technology & Material, columnName=null, runingTitle=null, highlight=null, articleAbstract=
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.
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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。
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王振涛(1988—),男,高级工程师,学士学位,研究方向为动力电池结构设计。
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1 Global R&D Center, China FAW Corporation Limited, Changchun 130013, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1200511839378460759, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, authorId=1200511839156162640, language=CN, stringName=王振涛, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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王振涛(1988—),男,高级工程师,学士学位,研究方向为动力电池结构设计。
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1 Global R&D Center, China FAW Corporation Limited, Changchun 130013, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1200511841446252666, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, authorId=1200511841228148849, language=CN, stringName=曹云飞, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 中国第一汽车股份有限公司研发总院, 长春 130013)])])], keywords=[Keyword(id=1200511842234781839, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=EN, orderNo=1, keyword=Thermoplastic composite materials), Keyword(id=1200511842310279313, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=EN, orderNo=2, keyword=Composite battery housing), Keyword(id=1200511842402554002, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=EN, orderNo=3, keyword=Power battery), Keyword(id=1200511842482245778, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=EN, orderNo=4, keyword=Insulation), Keyword(id=1200511842566131859, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=EN, orderNo=5, keyword=Lithium-ion battery), Keyword(id=1200511842658406549, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=CN, orderNo=1, keyword=热塑性复合材料), Keyword(id=1200511842742292632, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=CN, orderNo=2, keyword=复合材料电池箱体), Keyword(id=1200511842817790107, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=CN, orderNo=3, keyword=动力电池), Keyword(id=1200511842901676188, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=CN, orderNo=4, keyword=保温), Keyword(id=1200511843077836958, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=CN, orderNo=5, keyword=锂离子电池)], refs=[Reference(id=1200511850862465270, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, doi=null, pmid=null, pmcid=null, year=2020, volume=44, issue=8, pageStart=1090, pageEnd=1092, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=孙智鹏, 陈立铎, 徐梓荐, journalName=电源技术, refType=null, unstructuredReference=孙智鹏, 陈立铎, 徐梓荐, 等. 锂离子电池典型温度与倍率放电特性分析[J].
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1 中国第一汽车股份有限公司研发总院, 长春 130013)]), AuthorCompany(id=1200511839051305032, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, xref=2, ext=[AuthorCompanyExt(id=1200511839059693640, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, companyId=1200511839051305032, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2 考泰斯(上海)塑料技术有限公司, 上海 200122)])], figs=[ArticleFig(id=1200511843337883810, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=EN, label=null, caption=null, figureFileSmall=4ItCUr/Xh1WywcdFf9lW5g==, figureFileBig=YjrktzFV0b4MnJ0NRm3mAw==, tableContent=null), ArticleFig(id=1200511843434352803, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=CN, label=图1, caption=
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箱体结构方案和部分特征, figureFileSmall=JIqulpBYmL08/hYbD8EXAQ==, figureFileBig=3vd8lJ0FoePO7kcSUD/ooA==, tableContent=null), ArticleFig(id=1200511843845394604, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=EN, label=null, caption=null, figureFileSmall=jcc5IdSoguZqNWdA6WeKfA==, figureFileBig=9lfIUwGHfmTZ/6rxOVHpyA==, tableContent=null), ArticleFig(id=1200511843937669293, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=CN, label=图4, caption=
仿真网格模型, figureFileSmall=jcc5IdSoguZqNWdA6WeKfA==, figureFileBig=9lfIUwGHfmTZ/6rxOVHpyA==, tableContent=null), ArticleFig(id=1200511844013166767, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=EN, label=null, caption=null, figureFileSmall=b0Ze7rDWSulBt6RyQXLb/A==, figureFileBig=ynBUw5G2++SC0e93Mhzp5A==, tableContent=null), ArticleFig(id=1200511844080275633, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=CN, label=图5, caption=
模态仿真结果, figureFileSmall=b0Ze7rDWSulBt6RyQXLb/A==, figureFileBig=ynBUw5G2++SC0e93Mhzp5A==, tableContent=null), ArticleFig(id=1200511845233709235, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=EN, label=null, caption=null, figureFileSmall=S2V2iJbKm73T3Ns1B9+Y/A==, figureFileBig=Jdrt0dgqgfBq5+diUC8B9w==, tableContent=null), ArticleFig(id=1200511845321789621, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=CN, label=图6, caption=
上盖随机振动仿真最大形变结果, figureFileSmall=S2V2iJbKm73T3Ns1B9+Y/A==, figureFileBig=Jdrt0dgqgfBq5+diUC8B9w==, tableContent=null), ArticleFig(id=1200511845414064311, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=EN, label=null, caption=null, figureFileSmall=oHiWMENKa5gMI8kwn3SiDw==, figureFileBig=AeyqkCMkY0YWYuh0AB1D5Q==, tableContent=null), ArticleFig(id=1200511845497950393, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=CN, label=图7, caption=
上盖随机振动仿真最大应变结果, figureFileSmall=oHiWMENKa5gMI8kwn3SiDw==, figureFileBig=AeyqkCMkY0YWYuh0AB1D5Q==, tableContent=null), ArticleFig(id=1200511845573447867, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=EN, label=null, caption=null, figureFileSmall=66oJ32mFBSsXDAriOdpmkg==, figureFileBig=c3iMCkFaMh7dm51vq1pdlg==, tableContent=null), ArticleFig(id=1200511845669916861, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=CN, label=图8, caption=
下壳体随机振动仿真最大形变, figureFileSmall=66oJ32mFBSsXDAriOdpmkg==, figureFileBig=c3iMCkFaMh7dm51vq1pdlg==, tableContent=null), ArticleFig(id=1200511845757997247, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=EN, label=null, caption=null, figureFileSmall=YPzOPBReoXZb9Uy3PQwiDQ==, figureFileBig=ZJTi44NlrkBoz9ikYetksg==, tableContent=null), ArticleFig(id=1200511845871243457, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=CN, label=图9, caption=
下壳体随机振动仿真最大应变, figureFileSmall=YPzOPBReoXZb9Uy3PQwiDQ==, figureFileBig=ZJTi44NlrkBoz9ikYetksg==, tableContent=null), ArticleFig(id=1200511845942546626, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=EN, label=null, caption=null, figureFileSmall=zMsYGFxWEvsYhftCbZ9PuA==, figureFileBig=cxAGSAWRfDeiZjJ2MgEXpA==, tableContent=null), ArticleFig(id=1200511846022238403, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=CN, label=图10, caption=
Y向100 kN挤压仿真结果, figureFileSmall=zMsYGFxWEvsYhftCbZ9PuA==, figureFileBig=cxAGSAWRfDeiZjJ2MgEXpA==, tableContent=null), ArticleFig(id=1200511846139678917, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=EN, label=null, caption=null, figureFileSmall=NaHRFd3yWUSDtpLCdu7V5g==, figureFileBig=nmHfAgi9yZGgbAB2qO6QbQ==, tableContent=null), ArticleFig(id=1200511846215176391, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=CN, label=图11, caption=
X向100 kN挤压仿真结果, figureFileSmall=NaHRFd3yWUSDtpLCdu7V5g==, figureFileBig=nmHfAgi9yZGgbAB2qO6QbQ==, tableContent=null), ArticleFig(id=1200511846307451081, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=EN, label=null, caption=null, figureFileSmall=wW7LiMTeJjme3JiQmAGbnA==, figureFileBig=0MQBNnMeo7S6CefR1CnLtw==, tableContent=null), ArticleFig(id=1200511846391337163, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=CN, label=图12, caption=
下壳体机械冲击仿真结果, figureFileSmall=wW7LiMTeJjme3JiQmAGbnA==, figureFileBig=0MQBNnMeo7S6CefR1CnLtw==, tableContent=null), ArticleFig(id=1200511846471028941, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=EN, label=null, caption=null, figureFileSmall=/6R8y3UO+IGe32N1XNnF4g==, figureFileBig=qPLZ1KKGTu9y2GLIh8xW8g==, tableContent=null), ArticleFig(id=1200511846542332111, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=CN, label=图13, caption=
上盖机械冲击仿真结果, figureFileSmall=/6R8y3UO+IGe32N1XNnF4g==, figureFileBig=qPLZ1KKGTu9y2GLIh8xW8g==, tableContent=null), ArticleFig(id=1200511846626218193, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=EN, label=null, caption=null, figureFileSmall=hJjDSfOL8YfXCj/uVjjgtw==, figureFileBig=2eExa6oN4PRgqhCJ7d/l/g==, tableContent=null), ArticleFig(id=1200511846739464403, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=CN, label=图14, caption=
下壳体模拟碰撞仿真结果-X向, figureFileSmall=hJjDSfOL8YfXCj/uVjjgtw==, figureFileBig=2eExa6oN4PRgqhCJ7d/l/g==, tableContent=null), ArticleFig(id=1200511846806573268, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=EN, label=null, caption=null, figureFileSmall=XDC3m+6cXKxk0FN0M38+zg==, figureFileBig=xP/gXVF4iOCVbM0fMXXYnA==, tableContent=null), ArticleFig(id=1200511846940790998, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=CN, label=图15, caption=
下壳体模拟碰撞仿真结果-Y向, figureFileSmall=XDC3m+6cXKxk0FN0M38+zg==, figureFileBig=xP/gXVF4iOCVbM0fMXXYnA==, tableContent=null), ArticleFig(id=1200511846995316952, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=EN, label=null, caption=null, figureFileSmall=ZxVDdCidG3+1c9OHUG/DzA==, figureFileBig=RETOLR2zEplXl1du+b71qg==, tableContent=null), ArticleFig(id=1200511847087591641, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=CN, label=图16, caption=
实物复合箱体示例(未填充发泡), figureFileSmall=ZxVDdCidG3+1c9OHUG/DzA==, figureFileBig=RETOLR2zEplXl1du+b71qg==, tableContent=null), ArticleFig(id=1200511847188254938, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=EN, label=null, caption=null, figureFileSmall=ILAYc5A8fd4TIHJfiOJPpw==, figureFileBig=5LSBp3PnWqHZodKOcP3IQw==, tableContent=null), ArticleFig(id=1200511847318278363, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=CN, label=图17, caption=
实物复合箱体示例(填充发泡), figureFileSmall=ILAYc5A8fd4TIHJfiOJPpw==, figureFileBig=5LSBp3PnWqHZodKOcP3IQw==, tableContent=null), ArticleFig(id=1200511847385387228, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=EN, label=null, caption=null, figureFileSmall=7FMLAJyFs1+WG9NGLRn8EA==, figureFileBig=92ShfqRTpVVQXaE5terOEw==, tableContent=null), ArticleFig(id=1200511847498633437, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=CN, label=图18, caption=
模组保温方案, figureFileSmall=7FMLAJyFs1+WG9NGLRn8EA==, figureFileBig=92ShfqRTpVVQXaE5terOEw==, tableContent=null), ArticleFig(id=1200511847595102430, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=EN, label=null, caption=null, figureFileSmall=ulJ4zigD/IbyBuwMKb5R9g==, figureFileBig=4fY4fnaexOnrO3rTb3mASw==, tableContent=null), ArticleFig(id=1200511847674794207, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=CN, label=图19, caption=
平均温度随时间变化曲线, figureFileSmall=ulJ4zigD/IbyBuwMKb5R9g==, figureFileBig=4fY4fnaexOnrO3rTb3mASw==, tableContent=null), ArticleFig(id=1200511847754485984, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=EN, label=null, caption=null, figureFileSmall=jmp30tifkfXJvFibkcsEBg==, figureFileBig=oEhYoLIt1hGw2cUj4UHEOg==, tableContent=null), ArticleFig(id=1200511847829983457, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=CN, label=图20, caption=
结束时刻温度云, figureFileSmall=jmp30tifkfXJvFibkcsEBg==, figureFileBig=oEhYoLIt1hGw2cUj4UHEOg==, tableContent=null), ArticleFig(id=1200511847913869538, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=EN, label=null, caption=null, figureFileSmall=y0ApsOyQgMSG45NlYk/cLQ==, figureFileBig=fsFum1GwNPShCQTTGw/vDA==, tableContent=null), ArticleFig(id=1200511848010338531, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=CN, label=图21, caption=
不同方案的降温曲线测试结果, figureFileSmall=y0ApsOyQgMSG45NlYk/cLQ==, figureFileBig=fsFum1GwNPShCQTTGw/vDA==, tableContent=null), ArticleFig(id=1200511848090030308, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1200492476067861092, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | PA+45% GF | PA拉挤型材 | PA连续纤维板 | 铝合金 6061 | HC340 钢 |
密度 /kg·m-³ | 1 550 | 2 000 | 1 860 | 2 700 | 7 890 |
拉伸强度 /MPa | 130~150 | 1 300 | 480 | 210 | 590 |
拉伸模量 /GPa | 10~14 | 60 | 23 | 69 | 210 |
比强度 /MPa·g-1·cm-3 | 87~100 | 650 | 260 | 77 | 75 |
比模量 /GPa·g-1·cm-3 | 6.7~9.3 | 30 | 12 | 25.5 | 26.6 |
| 耐腐蚀 | 优 | 优 | 优 | 良 | 差 |
| 耐疲劳 | 优秀 | 优秀 | 优秀 | 很差 | 差 |
| 碳排放(以铝为基准) | -60% | | | 100% | -25% |
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常见电池箱体材料对比
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| 项目 | PA+45% GF | PA拉挤型材 | PA连续纤维板 | 铝合金 6061 | HC340 钢 |
密度 /kg·m-³ | 1 550 | 2 000 | 1 860 | 2 700 | 7 890 |
拉伸强度 /MPa | 130~150 | 1 300 | 480 | 210 | 590 |
拉伸模量 /GPa | 10~14 | 60 | 23 | 69 | 210 |
比强度 /MPa·g-1·cm-3 | 87~100 | 650 | 260 | 77 | 75 |
比模量 /GPa·g-1·cm-3 | 6.7~9.3 | 30 | 12 | 25.5 | 26.6 |
| 耐腐蚀 | 优 | 优 | 优 | 良 | 差 |
| 耐疲劳 | 优秀 | 优秀 | 优秀 | 很差 | 差 |
| 碳排放(以铝为基准) | -60% | | | 100% | -25% |
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| 项目 | 气凝胶 | PU- 硬泡 | EPP (20倍) | 岩棉类 | 热陶 瓷类 |
密度 /kg·m-1 | 60~200 | 40~200 | 120~180 | 400~800 | 250~700 |
导热系数 /W·m-1·K-1 | 0.02~0.025 | 0.028~ 0.035 | 0.03~0.032 | 0.04~0.06 | 0.028~ 0.03 |
| 成本 | 高 | 低 | 较低 | 低 | 较低 |
| 与箱体集成方式 | 后装配 | 箱内 发泡 | 后装配 | 后装配 | 后装配 |
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常见保温材料性能对比
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| 项目 | 气凝胶 | PU- 硬泡 | EPP (20倍) | 岩棉类 | 热陶 瓷类 |
密度 /kg·m-1 | 60~200 | 40~200 | 120~180 | 400~800 | 250~700 |
导热系数 /W·m-1·K-1 | 0.02~0.025 | 0.028~ 0.035 | 0.03~0.032 | 0.04~0.06 | 0.028~ 0.03 |
| 成本 | 高 | 低 | 较低 | 低 | 较低 |
| 与箱体集成方式 | 后装配 | 箱内 发泡 | 后装配 | 后装配 | 后装配 |
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| 材料 | 密度 /g·cm-3 | 弹性 模量 /MPa | 泊松比 | 拉伸 强度 /MPa | 应变 极限% |
| DLFT | 1.51 | 6 088.75 | 0.19 | 81 | 6.9 |
| Al6061 | 2.70 | 70 000 | 0.33 | 250 | 14.8 |
| PP模拟 | 4.90 | 1 600 | 0.40 | 45 | 6 |
| 连续纤维加强板 | 1.80 | 22 400 (0°方向) 21 500 (90°方向) | 0.17 | 404 (0°方向) 390 (90°方向) | 2.2 (0°方向) 2.2 (90°方向) |
| PU | 0.06 | 9 | 0.40 | | |
| 模拟电芯 | 2.29 | 1350 | 0.30 | | |
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材料机械性能参数
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| 材料 | 密度 /g·cm-3 | 弹性 模量 /MPa | 泊松比 | 拉伸 强度 /MPa | 应变 极限% |
| DLFT | 1.51 | 6 088.75 | 0.19 | 81 | 6.9 |
| Al6061 | 2.70 | 70 000 | 0.33 | 250 | 14.8 |
| PP模拟 | 4.90 | 1 600 | 0.40 | 45 | 6 |
| 连续纤维加强板 | 1.80 | 22 400 (0°方向) 21 500 (90°方向) | 0.17 | 404 (0°方向) 390 (90°方向) | 2.2 (0°方向) 2.2 (90°方向) |
| PU | 0.06 | 9 | 0.40 | | |
| 模拟电芯 | 2.29 | 1350 | 0.30 | | |
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| 零部件 | 材料 | 质量/kg |
| 模组 | Dummy | 501.0 |
| 电池包断路单元总成 | Al6061 | 25.0 |
| 上盖 | LFT-D | 13.8 |
| 下壳体 | LFT-D | 39.8 |
| PU发泡 | PU | 0.7 |
| 铝加强件 | Al6061 | 4.8 |
| 连续纤维加强板 | 连续纤维 | 12.1 |
| 电池管理系统 | PP模拟 | 1.0 |
| 总质量 | 598.2 |
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零件质量明细
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| 零部件 | 材料 | 质量/kg |
| 模组 | Dummy | 501.0 |
| 电池包断路单元总成 | Al6061 | 25.0 |
| 上盖 | LFT-D | 13.8 |
| 下壳体 | LFT-D | 39.8 |
| PU发泡 | PU | 0.7 |
| 铝加强件 | Al6061 | 4.8 |
| 连续纤维加强板 | 连续纤维 | 12.1 |
| 电池管理系统 | PP模拟 | 1.0 |
| 总质量 | 598.2 |
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| 项目 | 要求 | 结果 | 结论 |
| 模态 | Z向主频>35 Hz | Z向主频43.7 Hz | 通过 |
| 随机振动 | 应变<0.33% | 最大应变0.17% | 通过 |
| 挤压 | 挤压力达到100 kN或形变达到30%,不起火、不爆炸 | 点1~点3:100 kN未接触模组 | 通过 |
| 机械冲击 | 不起火、 不爆炸 | 壳体未破损 | 通过 |
| 模拟碰撞 | 不起火、 不爆炸 | 壳体未破损 | 通过 |
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箱体技术要求
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| 项目 | 要求 | 结果 | 结论 |
| 模态 | Z向主频>35 Hz | Z向主频43.7 Hz | 通过 |
| 随机振动 | 应变<0.33% | 最大应变0.17% | 通过 |
| 挤压 | 挤压力达到100 kN或形变达到30%,不起火、不爆炸 | 点1~点3:100 kN未接触模组 | 通过 |
| 机械冲击 | 不起火、 不爆炸 | 壳体未破损 | 通过 |
| 模拟碰撞 | 不起火、 不爆炸 | 壳体未破损 | 通过 |
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| 参数 | 电芯 | 模组保 温罩 | 发泡PU | 电芯之间缓冲材料 | 复合材料箱体 | AL 6061 |
比热容 /J·kg-1·K-1 | 900 | 500 | 2 200 | 1 200 | 1 120 | 890 |
各向导 热系数 /W·K-1·m-1 | X向1.05, Y向、Z向15 | 0.025 | 0.03 | 0.07 | 0.42 | 210 |
密度 /kg·m-³ | 2 200 | 200 | 60 | 220 | 1 500 | 2 700 |
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材料热物性
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| 参数 | 电芯 | 模组保 温罩 | 发泡PU | 电芯之间缓冲材料 | 复合材料箱体 | AL 6061 |
比热容 /J·kg-1·K-1 | 900 | 500 | 2 200 | 1 200 | 1 120 | 890 |
各向导 热系数 /W·K-1·m-1 | X向1.05, Y向、Z向15 | 0.025 | 0.03 | 0.07 | 0.42 | 210 |
密度 /kg·m-³ | 2 200 | 200 | 60 | 220 | 1 500 | 2 700 |
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初始条件温度 /K | 模组和电芯初始温度 | 308.15 |
| 保温材料初始温度 | 308.15 |
| 其它材料初始温度 | 263.15 |
| 外界环境温度 | 263.15 |
边界 条件 /W·K-1·m-2 | 壳体外表面等效对流换热系数 | 顶面 | 5 |
| 其它面 | 20 |
| 其它面等效对流换热系数 | 5 |
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初始条件和边界条件
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初始条件温度 /K | 模组和电芯初始温度 | 308.15 |
| 保温材料初始温度 | 308.15 |
| 其它材料初始温度 | 263.15 |
| 外界环境温度 | 263.15 |
边界 条件 /W·K-1·m-2 | 壳体外表面等效对流换热系数 | 顶面 | 5 |
| 其它面 | 20 |
| 其它面等效对流换热系数 | 5 |
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| 方案 | 描述 |
| 方案1 | 复合材料箱体 |
| 方案2 | 复合材料箱体+模组保温 |
| 方案3 | 复合材料箱体+模组保温+下箱体底部保温 |
| 方案4 | 复合材料箱体+模组保温+下箱体内侧全保温 |
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保温性能验证方案
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| 方案 | 描述 |
| 方案1 | 复合材料箱体 |
| 方案2 | 复合材料箱体+模组保温 |
| 方案3 | 复合材料箱体+模组保温+下箱体底部保温 |
| 方案4 | 复合材料箱体+模组保温+下箱体内侧全保温 |
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| 铝合金箱体 | 热塑性复材箱体(集成保温) |
| 成本/元 | 2 150 | 1 786 |
| 质量/kg | 43 | 38 |
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成本与质量对比
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| 铝合金箱体 | 热塑性复材箱体(集成保温) |
| 成本/元 | 2 150 | 1 786 |
| 质量/kg | 43 | 38 |
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