Article(id=1200389105755476588, tenantId=1146029695717560320, journalId=1189645257101713411, issueId=1200389103247291273, articleNumber=null, orderNo=null, doi=10.19822/j.cnki.1671-6329.20240008, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1764124664963, onlineDateStr=2025-11-26, pubDate=1722787200000, pubDateStr=2024-08-05, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1764124664963, onlineIssueDateStr=2025-11-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1764124664963, creator=13701087609, updateTime=1764124664963, updator=13701087609, issue=Issue{id=1200389103247291273, tenantId=1146029695717560320, journalId=1189645257101713411, year='2024', volume='', issue='8', pageStart='1', pageEnd='62', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1764124664363, creator=13701087609, updateTime=1764225002165, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1200809950550290768, tenantId=1146029695717560320, journalId=1189645257101713411, issueId=1200389103247291273, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1200809950550290769, tenantId=1146029695717560320, journalId=1189645257101713411, issueId=1200389103247291273, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=35, endPage=42, ext={EN=ArticleExt(id=1200389106065855085, articleId=1200389105755476588, tenantId=1146029695717560320, journalId=1189645257101713411, language=EN, title=Technical Paths Discussion on Battery Energy Density Enhancement, columnId=null, journalTitle=Automotive Digest, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Through the comparative analysis of cell base materials, various cell integration technologies, and lightweight battery housing solutions, the technical paths for battery density enhancement are elaborated. The improvement in energy density of individual battery cells heavily relies on significant breakthroughs in basic material science. In the post-lithium-ion era, cell densities are expected to reach 1200 W·h/kg, while in the short term, semi-solid battery technology with a cell density of 360 W·h/kg is anticipated to be the first to achieve mass production, enabling electric vehicles with longer driving ranges and higher energy efficiency. Another key technology is to improve cell integration efficiency. Innovative solutions such as Cell-to-Pack (CTP), Cell-to-Chassis (CTC), and Cell-to-Body (CTB) are anticipated to increase cell integration rates to 90% and space utilization to 70%, breaking traditional design limitations and significantly enhancing battery pack energy density. The lightweight design of battery housings is also essential. Lightweight housing design like aluminum alloy extruded profiles, aluminum alloy integrated die-casting, ultra-high-strength steel rolling, and carbon fiber composite materials molding can effectively reduce the overall weight of battery while ensuring performance, thus improving energy density.
, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Cheng Zhang), CN=ArticleExt(id=1200389108645352113, articleId=1200389105755476588, tenantId=1146029695717560320, journalId=1189645257101713411, language=CN, title=电池包能量密度提升的技术路径探讨, columnId=1200389104211981200, journalTitle=汽车文摘, columnName=智能驾驶“人-车-环境”安全风险分析专题综述, runingTitle=null, highlight=null, articleAbstract=通过对电芯基础材料的发展、不同电芯集成技术对比以及电池包壳体轻量化方案的研究,深入探讨了提升电池包能量密度的技术路径。结果表明,单体电芯能量密度的提升依赖于基础材料科学的重大突破。预计在后锂离子时代,电芯密度有望达到1200 W·h/kg,而短期内,360 W·h/kg电芯密度的半固态电池技术有望率先实现量产,为电动汽车提供更长续驶里程和更高能量效率。此外,提高电芯的集成效率是另一个关键技术。无模组技术(CTP)、电池底盘一体化技术(CTC)和电池车身一体化技术(CTB)等方案,有望将电芯集成率提升至90%,空间利用率提升至70%,从而打破传统设计局限,实现电池包能量密度的显著提升。电池包壳体的轻量化设计同样至关重要,铝合金挤压型材、铝合金一体式压铸、超高强钢辊压和碳纤维复合材料模压等壳体轻量化设计方案,可以在确保电池包性能的前提下有效降低整包质量,从而提高电池包的能量密度。, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=+B7BEnXyJot9g5NdJz7qMw==, magXml=PIj+oZ28+AZHSrahmLa83A==, pdfUrl=null, pdf=eDyvp61wKb/aeVqeV4f0DA==, pdfFileSize=6787096, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=BVtlZktAczeGm5WNJ11Cww==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=10gwHzn33W0hxcPsEaeqvw==, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=张成)}, authors=[Author(id=1200410573562310883, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1200389105755476588, 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比亚迪发布的CTB模式装配示意[20], figureFileSmall=JcNKR1i/Qh625uaTuprqJA==, figureFileBig=bVTwJHAZ1Nsr8xTMrCcGIw==, tableContent=null), ArticleFig(id=1200410575781097786, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1200389105755476588, language=EN, label=null, caption=null, figureFileSmall=oSoZcKt+p8mYrJxUPcXrvQ==, figureFileBig=n/unD3EMd2zexuAfyEVB1w==, tableContent=null), ArticleFig(id=1200410575894343997, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1200389105755476588, language=CN, label=图4, caption=
特斯拉发布的CTC模式装配示意[22], figureFileSmall=oSoZcKt+p8mYrJxUPcXrvQ==, figureFileBig=n/unD3EMd2zexuAfyEVB1w==, tableContent=null), ArticleFig(id=1200410576003395905, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1200389105755476588, language=EN, label=null, caption=null, figureFileSmall=joCuhSmhAugRMALKhXLpkg==, figureFileBig=C0PXf+jHd4Laht68nL/Q1w==, tableContent=null), ArticleFig(id=1200410576074699076, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1200389105755476588, language=CN, label=图5, caption=
零跑汽车CTC模式装配示意[24], figureFileSmall=joCuhSmhAugRMALKhXLpkg==, figureFileBig=C0PXf+jHd4Laht68nL/Q1w==, tableContent=null), ArticleFig(id=1200410576141807944, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1200389105755476588, language=EN, label=null, caption=null, figureFileSmall=8SpcmBWJL3MlgWkKCh2wew==, figureFileBig=JkGMQt7fVoCuhQ8mMpdnZA==, tableContent=null), ArticleFig(id=1200410576225694026, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1200389105755476588, language=CN, label=图6, caption=
电池包壳体概念及主要构成[6], figureFileSmall=8SpcmBWJL3MlgWkKCh2wew==, figureFileBig=JkGMQt7fVoCuhQ8mMpdnZA==, tableContent=null), ArticleFig(id=1200410577408487756, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1200389105755476588, language=EN, label=null, caption=null, figureFileSmall=V7OCP7MEwZHMygFd6SnGJw==, figureFileBig=A3vs1xxh6P+SHmD8D5Op9g==, tableContent=null), ArticleFig(id=1200410577483985233, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1200389105755476588, language=CN, label=图7, caption=
奥迪e-tron电池包壳体构成[26], figureFileSmall=V7OCP7MEwZHMygFd6SnGJw==, figureFileBig=A3vs1xxh6P+SHmD8D5Op9g==, tableContent=null), ArticleFig(id=1200410577572065615, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1200389105755476588, language=EN, label=null, caption=null, figureFileSmall=TIcHCWT1TqjZCVBbcD0RYQ==, figureFileBig=RLln6ywOBfIpJHpjvZxFBQ==, tableContent=null), ArticleFig(id=1200410577655951699, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1200389105755476588, language=CN, label=图8, caption=
铝合金一体式压铸电池包托盘框架[27], figureFileSmall=TIcHCWT1TqjZCVBbcD0RYQ==, figureFileBig=RLln6ywOBfIpJHpjvZxFBQ==, tableContent=null), ArticleFig(id=1200410577723060565, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1200389105755476588, language=EN, label=null, caption=null, figureFileSmall=IfuqMc9dGr8gMF+AdHBZvg==, figureFileBig=u9IGZPJumAkCsx/LCHD8lw==, tableContent=null), ArticleFig(id=1200410577794363737, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1200389105755476588, language=CN, label=图9, caption=
某产品超高强钢辊压边框典型断面[29], figureFileSmall=IfuqMc9dGr8gMF+AdHBZvg==, figureFileBig=u9IGZPJumAkCsx/LCHD8lw==, tableContent=null), ArticleFig(id=1200410577907609949, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1200389105755476588, language=EN, label=null, caption=null, figureFileSmall=v+XQ+eLIlxJFJ/Du9YPqvQ==, figureFileBig=F1QIBN7VFYcWDcOi/j79TQ==, tableContent=null), ArticleFig(id=1200410578012467550, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1200389105755476588, language=CN, label=图10, caption=
蔚来前瞻研发的碳纤维壳体电池包[31], figureFileSmall=v+XQ+eLIlxJFJ/Du9YPqvQ==, figureFileBig=F1QIBN7VFYcWDcOi/j79TQ==, tableContent=null), ArticleFig(id=1200410578092159329, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1200389105755476588, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
电池 类型 | 电解质 形态 | 能量密度 /W·h·kg-1 | 电性能 | 安全性 | 研发难度 | 量产进度 |
| 锂离子 | 液体 | 250~290 | 一般 | 差 | 小 | 已量产 |
| 半固态 | 液体 | 253~302 | 好 | 中 | 小 | 小批量量产 |
固液 混合 | 300~348 | 好 | 中下 | 中 | 小批量量产 |
| 准固态 | 固体 | 高 | 中 | 高 | 大 | 实验室验证 |
| 固态 | 固体 | 极高 | 中 | 高 | 大 | 实验室验证 |
), ArticleFig(id=1200410578163462500, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1200389105755476588, language=CN, label=表1, caption=
德国弗劳恩霍夫协会固态电池发展路线[13]
, figureFileSmall=null, figureFileBig=null, tableContent=
电池 类型 | 电解质 形态 | 能量密度 /W·h·kg-1 | 电性能 | 安全性 | 研发难度 | 量产进度 |
| 锂离子 | 液体 | 250~290 | 一般 | 差 | 小 | 已量产 |
| 半固态 | 液体 | 253~302 | 好 | 中 | 小 | 小批量量产 |
固液 混合 | 300~348 | 好 | 中下 | 中 | 小批量量产 |
| 准固态 | 固体 | 高 | 中 | 高 | 大 | 实验室验证 |
| 固态 | 固体 | 极高 | 中 | 高 | 大 | 实验室验证 |
), ArticleFig(id=1200410578297680231, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1200389105755476588, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 车型1 | 车型2 | 车型3 | 车型4 |
| 电池包尺寸/mm | 2 696× 1 550×106 | 1 990× 1 540×126 | 1 870× 1 110×130 | 1 814× 1 117×140 |
| 电池容量/kW·h | 100 | 75 | 67 | 52 |
| 电池包壳体质量/kg | 105.8 | 96.3 | 66.7 | 99.8 |
| 壳体材料 | 铝合金 | 铝合金 | 铝合金 | 铝合金 |
), ArticleFig(id=1200410578368983401, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1200389105755476588, language=CN, label=表2, caption=
铝合金电池包壳体应用车型
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 车型1 | 车型2 | 车型3 | 车型4 |
| 电池包尺寸/mm | 2 696× 1 550×106 | 1 990× 1 540×126 | 1 870× 1 110×130 | 1 814× 1 117×140 |
| 电池容量/kW·h | 100 | 75 | 67 | 52 |
| 电池包壳体质量/kg | 105.8 | 96.3 | 66.7 | 99.8 |
| 壳体材料 | 铝合金 | 铝合金 | 铝合金 | 铝合金 |
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壳体 方案 | 主体材料 | 厚度 /mm | 质量 /kg | 成本/元(人民币) | 制造 工艺 |
| 高强钢 | DC05 HC340/590 | 0.7~1.5 | 113.5 | 2 042 | 冷冲压 |
超高 强钢 | DC05 BR1500HS | 0.7~1.5 | 100.4 | 2 008 | 冷冲压 辊压 |
铝冲 压板 | 5xxx 6xxx | 1~3.2 | 67.8 | 4 409 | 冷冲压 |
| 铝挤压 | 5xxx 6xxx | 2~2.5 | 78.6 | 3 993 | 冷冲压 挤压 |
| 铝铸造 | AlSi10MnMg 6xxx | 2-6 | 81.1 | 4 642 | 冷冲压 压铸 |
| 碳纤维复合材料 | 碳纤维复合材料 铝嵌件 | 2~3 | 42.4 | 5 200 | 冷冲压 模压 |
), ArticleFig(id=1200410578532561263, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1200389105755476588, language=CN, label=表3, caption=
典型电池包方案成本及质量比较
, figureFileSmall=null, figureFileBig=null, tableContent=
壳体 方案 | 主体材料 | 厚度 /mm | 质量 /kg | 成本/元(人民币) | 制造 工艺 |
| 高强钢 | DC05 HC340/590 | 0.7~1.5 | 113.5 | 2 042 | 冷冲压 |
超高 强钢 | DC05 BR1500HS | 0.7~1.5 | 100.4 | 2 008 | 冷冲压 辊压 |
铝冲 压板 | 5xxx 6xxx | 1~3.2 | 67.8 | 4 409 | 冷冲压 |
| 铝挤压 | 5xxx 6xxx | 2~2.5 | 78.6 | 3 993 | 冷冲压 挤压 |
| 铝铸造 | AlSi10MnMg 6xxx | 2-6 | 81.1 | 4 642 | 冷冲压 压铸 |
| 碳纤维复合材料 | 碳纤维复合材料 铝嵌件 | 2~3 | 42.4 | 5 200 | 冷冲压 模压 |
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