Article(id=1157001743344161019, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1157001741804855503, articleNumber=null, orderNo=null, doi=10.19562/j.chinasae.qcgc.2024.09.012, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1716998400000, receivedDateStr=2024-05-30, revisedDate=1722268800000, revisedDateStr=2024-07-30, acceptedDate=null, acceptedDateStr=null, onlineDate=1753780311666, onlineDateStr=2025-07-29, pubDate=1727193600000, pubDateStr=2024-09-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753780311666, onlineIssueDateStr=2025-07-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753780311666, creator=13701087609, updateTime=1753780311666, updator=13701087609, issue=Issue{id=1157001741804855503, tenantId=1146029695717560320, journalId=1146120084050784272, year='2024', volume='46', issue='9', pageStart='1537', pageEnd='1722', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=0, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1753780311297, creator=13701087609, updateTime=1756792455058, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1169635588480184833, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1157001741804855503, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1169635588480184834, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1157001741804855503, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1643, endPage=1653, ext={EN=ArticleExt(id=1157001744342405378, articleId=1157001743344161019, tenantId=1146029695717560320, journalId=1146120084050784272, language=EN, title=Study on the Influence of Lithium Ion Soft Package Battery Leakage on Electrical Performance and Safety, and Big Data Warning, columnId=null, journalTitle=Automotive Engineering, columnName=null, runingTitle=null, highlight=null, articleAbstract=
With the increase of new energy vehicles in the market and battery energy density, thermal runaway events gradually increase. Battery safety issues become particularly important, whereas leakage is one of the key factors inducing battery thermal runaway. In this paper, the influence of leakage on electrical performance and safety is studied by simulating leakage at the cells and modules. At the same time, based on experimental data and remote vehicle data, the characteristics of the leaked battery are extracted and the warning logic is established to achieve online monitoring of the leakage warning. For cells test, a comparative analysis is conducted on the test data of leaking and normal battery cells under cyclic and static states. It is found that compared with normal cells, leaking cells show mass reduction, thickness increase, capacity fade, DC internal resistance increase and dismantling characterization abnormity, which proves that leakage has certain impact on the electrical performance and safety. For module test, characteristics of the thickness and DC internal resistance changes from the parallel units with different leakage degrees are studied. It proves that the thickness and DC internal resistance increase with the increase of leakage degrees, which also augments the potential safety risk of the battery. For vehicle level big data, the pressure difference characteristics of the leaked battery during the starting and ending stages of charge are identified to establish warning and identification logic and conduct online monitoring.
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随着新能源车辆市场保有量增多和动力电池能量密度提升,热失控事件逐渐增多,动力电池安全问题变得尤为重要,漏液是诱发电池热失控的关键因素之一。本文通过模拟电芯级和更接近整车应用的模块级漏液,研究漏液对电性能和安全性的影响;同时,基于实验数据及整车大数据提取漏液电池特征,建立预警逻辑,实现漏液预警大数据监控。针对电芯级实验,对比分析循环和静置状态下漏液电芯与正常电芯的测试数据,发现漏液电芯与正常电芯相比,质量减少、厚度增加、容量衰减、直流内阻增大、电芯拆解及表征后存在异常,证明了漏液对电性能及安全性具有一定影响。针对模块级实验,通过分析模块中不同漏液程度并联单元的厚度、直流内阻等变化特征,证明了厚度和直流内阻都随着漏液程度的增大而变大,也增大了电池潜在的安全风险。针对整车级大数据,识别漏液电池在充电起始及结束阶段的压差特征,建立预警识别逻辑,并进行大数据监控。
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漏液电芯C2和正常电芯C4 2次静置电压数据, figureFileSmall=N7Mj+PK6FxIO2m5hFbg1FQ==, figureFileBig=UIGAX5AHEJt565D7hwpawA==, tableContent=null), ArticleFig(id=1157002021791421434, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=EN, label=null, caption=null, figureFileSmall=O9c4U8tgG/G2XBZs/M2M/Q==, figureFileBig=gQI54UQmdxi1f0jpwEMd4A==, tableContent=null), ArticleFig(id=1157002021854335998, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=CN, label=图4, caption=
漏液电芯C1拆解照片, figureFileSmall=O9c4U8tgG/G2XBZs/M2M/Q==, figureFileBig=gQI54UQmdxi1f0jpwEMd4A==, tableContent=null), ArticleFig(id=1157002021908860928, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=EN, label=null, caption=null, figureFileSmall=aJTfz8aLbrbbNF0BXKWe8g==, figureFileBig=XSwvh9tTcRgPgHV0tKgxfQ==, tableContent=null), ArticleFig(id=1157002021980164100, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=CN, label=图5, caption=
漏液电芯C1的负极极片扫描与元素分布图, figureFileSmall=aJTfz8aLbrbbNF0BXKWe8g==, figureFileBig=XSwvh9tTcRgPgHV0tKgxfQ==, tableContent=null), ArticleFig(id=1157002022030495752, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=EN, label=null, caption=null, figureFileSmall=+z0yb5gkqIqmuDpDGNhHMg==, figureFileBig=MlTPFOrXjhf2enJih0wHAw==, tableContent=null), ArticleFig(id=1157002022093410316, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=CN, label=图6, caption=
正常电芯C3的负极极片扫描与元素分布图, figureFileSmall=+z0yb5gkqIqmuDpDGNhHMg==, figureFileBig=MlTPFOrXjhf2enJih0wHAw==, tableContent=null), ArticleFig(id=1157002022156324882, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=EN, label=null, caption=null, figureFileSmall=fAg6WdQMRBlX7W7Acsc9/A==, figureFileBig=hXh62IwyW6GrXXJk3YzeoA==, tableContent=null), ArticleFig(id=1157002022223433748, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=CN, label=图7, caption=
由3个并联单元组成的模块, figureFileSmall=fAg6WdQMRBlX7W7Acsc9/A==, figureFileBig=hXh62IwyW6GrXXJk3YzeoA==, tableContent=null), ArticleFig(id=1157002022282154007, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=EN, label=null, caption=null, figureFileSmall=PDYer3iP2E1tSlFb4TUi5Q==, figureFileBig=+dyxuHeaNoCIxbD+TMU9DQ==, tableContent=null), ArticleFig(id=1157002022349262874, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=CN, label=图8, caption=
模块放电容量, figureFileSmall=PDYer3iP2E1tSlFb4TUi5Q==, figureFileBig=+dyxuHeaNoCIxbD+TMU9DQ==, tableContent=null), ArticleFig(id=1157002022470897696, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=EN, label=null, caption=null, figureFileSmall=Z2B1Dl3hoidrfa3an5SL4w==, figureFileBig=oWBhUZKCv1ZXY/4onr0PPw==, tableContent=null), ArticleFig(id=1157002022546395171, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=CN, label=图9, caption=
3个并联单元在循环过程中放电和充电直流内阻对比, figureFileSmall=Z2B1Dl3hoidrfa3an5SL4w==, figureFileBig=oWBhUZKCv1ZXY/4onr0PPw==, tableContent=null), ArticleFig(id=1157002022617698343, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=EN, label=null, caption=null, figureFileSmall=OFO0oZTixLOzN137bLSx4Q==, figureFileBig=2a1gseOPoQ6D62GQA2iWUg==, tableContent=null), ArticleFig(id=1157002022714167337, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=CN, label=图10, caption=
105圈循环后模块变形情况, figureFileSmall=OFO0oZTixLOzN137bLSx4Q==, figureFileBig=2a1gseOPoQ6D62GQA2iWUg==, tableContent=null), ArticleFig(id=1157002022772887597, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=EN, label=null, caption=null, figureFileSmall=JlIb2IxfDrC3zU0yZfzYKQ==, figureFileBig=NLKztYrdWAybgyUQ5FP6qA==, tableContent=null), ArticleFig(id=1157002022823219248, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=CN, label=图11, caption=
正常电芯C5拆解图, figureFileSmall=JlIb2IxfDrC3zU0yZfzYKQ==, figureFileBig=NLKztYrdWAybgyUQ5FP6qA==, tableContent=null), ArticleFig(id=1157002022873550899, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=EN, label=null, caption=null, figureFileSmall=IM6B2FKAyF3JT3zkNhhkSQ==, figureFileBig=MPbBonY7Fn7h5M7FhUshog==, tableContent=null), ArticleFig(id=1157002022949048373, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=CN, label=图12, caption=
漏液电芯C7拆解图, figureFileSmall=IM6B2FKAyF3JT3zkNhhkSQ==, figureFileBig=MPbBonY7Fn7h5M7FhUshog==, tableContent=null), ArticleFig(id=1157002023011962936, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=EN, label=null, caption=null, figureFileSmall=lfzKFbXBeXJIifY3LyTwAA==, figureFileBig=jOuedLT3fz5ld/dL1qzQXA==, tableContent=null), ArticleFig(id=1157002023066488892, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=CN, label=图13, caption=
漏液电芯C7负极极片扫描图, figureFileSmall=lfzKFbXBeXJIifY3LyTwAA==, figureFileBig=jOuedLT3fz5ld/dL1qzQXA==, tableContent=null), ArticleFig(id=1157002023146180671, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=EN, label=null, caption=null, figureFileSmall=YOQLoZKSAIJx+E3YaIy3hw==, figureFileBig=fd0cnjH6hS+xamVb4x5Ajw==, tableContent=null), ArticleFig(id=1157002023196512321, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=CN, label=图14, caption=
漏液电池模块容量标定最后2次充放电数据, figureFileSmall=YOQLoZKSAIJx+E3YaIy3hw==, figureFileBig=fd0cnjH6hS+xamVb4x5Ajw==, tableContent=null), ArticleFig(id=1157002023259426883, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=EN, label=null, caption=null, figureFileSmall=XS5YPVlGG7Kgw5fsoiMpJw==, figureFileBig=BhbEiS06ofSPXparFVPG2Q==, tableContent=null), ArticleFig(id=1157002023322341446, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=CN, label=图15, caption=
实车充电下漏液预警特征, figureFileSmall=XS5YPVlGG7Kgw5fsoiMpJw==, figureFileBig=BhbEiS06ofSPXparFVPG2Q==, tableContent=null), ArticleFig(id=1157002023410421834, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=EN, label=null, caption=null, figureFileSmall=JB0PRG6xa6BhUk/4gXYy0g==, figureFileBig=xtB3aeEEX0AWQAkXDHW8Rg==, tableContent=null), ArticleFig(id=1157002023473336396, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=CN, label=图16, caption=
大数据预警逻辑, figureFileSmall=JB0PRG6xa6BhUk/4gXYy0g==, figureFileBig=xtB3aeEEX0AWQAkXDHW8Rg==, tableContent=null), ArticleFig(id=1157002023553028174, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=EN, label=null, caption=null, figureFileSmall=IcAsRf6DqWecPNLwVMuwdA==, figureFileBig=wbJLYaW4ugQHVw0GKtqs3Q==, tableContent=null), ArticleFig(id=1157002023632719953, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=CN, label=图17, caption=
漏液车辆数据特征, figureFileSmall=IcAsRf6DqWecPNLwVMuwdA==, figureFileBig=wbJLYaW4ugQHVw0GKtqs3Q==, tableContent=null), ArticleFig(id=1157002023683051604, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=EN, label=null, caption=null, figureFileSmall=FU84+GHImULPCzlBvw0KQA==, figureFileBig=iPeVyJVF9CB0m31f02E4oQ==, tableContent=null), ArticleFig(id=1157002023741771862, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=CN, label=图18, caption=
漏液电芯拆解情况, figureFileSmall=FU84+GHImULPCzlBvw0KQA==, figureFileBig=iPeVyJVF9CB0m31f02E4oQ==, tableContent=null), ArticleFig(id=1157002023804686424, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=EN, label=null, caption=null, figureFileSmall=qlyM+CglVlvHkSsgDqIA9Q==, figureFileBig=M6Yg8edpnpzBll3nrPX7FQ==, tableContent=null), ArticleFig(id=1157002023867600986, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=CN, label=图19, caption=
顶部密封圈拆解图, figureFileSmall=qlyM+CglVlvHkSsgDqIA9Q==, figureFileBig=M6Yg8edpnpzBll3nrPX7FQ==, tableContent=null), ArticleFig(id=1157002023947292765, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 组别 | 实验前 | 实验后 | 质量 变化/kg | 厚度变化率/% |
| 质量/kg | 厚度/mm | 质量/kg | 厚度/mm |
| C1 | 0.898 1 | 11.50 | 0.892 6 | 13.07 | 0.005 5 | 13.65 |
| C2 | 0.897 5 | 11.55 | 0.892 2 | 13.25 | 0.005 3 | 14.72 |
| C3 | 0.897 4 | 11.53 | 0.897 1 | 12.07 | 0.000 3 | 4.68 |
| C4 | 0.894 9 | 11.56 | 0.894 5 | 11.97 | 0.000 4 | 3.55 |
), ArticleFig(id=1157002024035373153, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=CN, label=表1, caption=
实验前后电芯的质量与厚度变化数据
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| 组别 | 实验前 | 实验后 | 质量 变化/kg | 厚度变化率/% |
| 质量/kg | 厚度/mm | 质量/kg | 厚度/mm |
| C1 | 0.898 1 | 11.50 | 0.892 6 | 13.07 | 0.005 5 | 13.65 |
| C2 | 0.897 5 | 11.55 | 0.892 2 | 13.25 | 0.005 3 | 14.72 |
| C3 | 0.897 4 | 11.53 | 0.897 1 | 12.07 | 0.000 3 | 4.68 |
| C4 | 0.894 9 | 11.56 | 0.894 5 | 11.97 | 0.000 4 | 3.55 |
), ArticleFig(id=1157002024131842150, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 电芯 编号 | 电芯 状态 | 厚度/mm | 质量/kg | 交流内阻/mΩ | OCV/V |
| C7 | BOL | 11.45 | 0.895 2 | 0.552 0 | 3.376 |
| 开孔 | 11.42 | 0.895 1 | 0.562 2 | 3.335 |
| C8 | BOL | 11.61 | 0.896 2 | 0.564 0 | 3.378 |
| 开孔 | 11.45 | 0.896 3 | 0.556 4 | 3.334 |
| C9 | BOL | 11.45 | 0.897 5 | 0.565 7 | 3.379 |
| 开孔 | 11.50 | 0.897 1 | 0.550 4 | 3.358 |
), ArticleFig(id=1157002024240894058, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=CN, label=表2, caption=
开孔电芯基本参数对比
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| 电芯 编号 | 电芯 状态 | 厚度/mm | 质量/kg | 交流内阻/mΩ | OCV/V |
| C7 | BOL | 11.45 | 0.895 2 | 0.552 0 | 3.376 |
| 开孔 | 11.42 | 0.895 1 | 0.562 2 | 3.335 |
| C8 | BOL | 11.61 | 0.896 2 | 0.564 0 | 3.378 |
| 开孔 | 11.45 | 0.896 3 | 0.556 4 | 3.334 |
| C9 | BOL | 11.45 | 0.897 5 | 0.565 7 | 3.379 |
| 开孔 | 11.50 | 0.897 1 | 0.550 4 | 3.358 |
), ArticleFig(id=1157002024299614318, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 循环周数 | 放电容量/(A·h) | 容量保持率/% |
| 0 | 128.98 | 100 |
| 30 | 122.08 | 94.65 |
| 60 | 118.43 | 91.82 |
| 90 | 105.00 | 81.41 |
| 105 | 100.72 | 78.09 |
), ArticleFig(id=1157002024379306100, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=CN, label=表3, caption=
不同循环周数下的放电容量
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| 循环周数 | 放电容量/(A·h) | 容量保持率/% |
| 0 | 128.98 | 100 |
| 30 | 122.08 | 94.65 |
| 60 | 118.43 | 91.82 |
| 90 | 105.00 | 81.41 |
| 105 | 100.72 | 78.09 |
), ArticleFig(id=1157002024429637750, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 并联单元 | 电芯编号 | 厚度 增加率/% | 质量 变化量/kg | 交流内阻 变化率/% |
| M1 | C5 | 2.52 | +0.000 9 | -0.91 |
| C6 | 3.04 | +0.100 7 | -1.29 |
| M2 | C7 | 17.64 | -5.171 2 | +44.93 |
| C8 | 50.04 | -3.830 6 | +252.00 |
| M3 | C9 | 16.24 | -3.140 3 | +93.23 |
| C10 | 4.48 | +0.100 1 | -0.41 |
), ArticleFig(id=1157002024505135225, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=CN, label=表4, caption=
循环前后电芯基本参数对比
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| 并联单元 | 电芯编号 | 厚度 增加率/% | 质量 变化量/kg | 交流内阻 变化率/% |
| M1 | C5 | 2.52 | +0.000 9 | -0.91 |
| C6 | 3.04 | +0.100 7 | -1.29 |
| M2 | C7 | 17.64 | -5.171 2 | +44.93 |
| C8 | 50.04 | -3.830 6 | +252.00 |
| M3 | C9 | 16.24 | -3.140 3 | +93.23 |
| C10 | 4.48 | +0.100 1 | -0.41 |
), ArticleFig(id=1157002024555466878, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 电芯编号 | 正极极片/μm | 负极极片/μm |
| C5 | 112.44 | 168.28 |
| C7 | 112.40 | 178.06 |
| C8 | 127.92 | 202.54 |
| C9 | 116.10 | 186.66 |
), ArticleFig(id=1157002024622575744, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=CN, label=表5, caption=
循环后电芯拆解极片厚度对比
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| 电芯编号 | 正极极片/μm | 负极极片/μm |
| C5 | 112.44 | 168.28 |
| C7 | 112.40 | 178.06 |
| C8 | 127.92 | 202.54 |
| C9 | 116.10 | 186.66 |
), ArticleFig(id=1157002024677101698, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 元素 | C | O | F | Al |
| 白斑处/% | 19.37 | 69.94 | 14.27 | 1.43 |
| 非白斑处/% | 66.28 | 30.38 | 3.44 | |
), ArticleFig(id=1157002024735821960, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=CN, label=表6, caption=
C7漏液口附近元素质量含量对比
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| 元素 | C | O | F | Al |
| 白斑处/% | 19.37 | 69.94 | 14.27 | 1.43 |
| 非白斑处/% | 66.28 | 30.38 | 3.44 | |
), ArticleFig(id=1157002024811319436, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 实验标定数据 | 实车云端数据 |
| 运行工况 | 充电:恒流恒压 放电:恒流 | 充电:阶梯充电 放电:脉冲回馈 |
| 数据采集间隔 | ≥ 1 s | ≥ 10 s |
| 数据精度 | ≥ 1 mV | ≥ 20 mV |
| 数据传输误差 | 无 | 未知 |
), ArticleFig(id=1157002024874233999, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=CN, label=表7, caption=
实验标定数据与大数据标定数据差异
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| 项目 | 实验标定数据 | 实车云端数据 |
| 运行工况 | 充电:恒流恒压 放电:恒流 | 充电:阶梯充电 放电:脉冲回馈 |
| 数据采集间隔 | ≥ 1 s | ≥ 10 s |
| 数据精度 | ≥ 1 mV | ≥ 20 mV |
| 数据传输误差 | 无 | 未知 |
), ArticleFig(id=1157002024932954260, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 车型 | 车辆 编号 | 行驶里程/ km | 末端压差/mV | 标签 | 是否 预警 |
| A | 1 | 46 165 | 43 | 漏液 | 是 |
| A | 2 | 91 413 | 32 | 参照 | 否 |
| A | 3 | 134 767 | 38 | 参照 | 否 |
| A | 4 | 124 077 | 34 | 参照 | 否 |
| A | 5 | 152 734 | 42 | 参照 | 否 |
| A | 6 | 63 036 | 223 | 参照 | 否 |
| A | 7 | 158 648 | 534 | 参照 | 否 |
| A | 8 | 52 782 | 472 | 参照 | 否 |
| A | 9 | 84 180 | 27 | 参照 | 否 |
| A | 10 | 159 168 | 289 | 参照 | 否 |
), ArticleFig(id=1157002025012646038, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001743344161019, language=CN, label=表8, caption=
预警效果实车验证
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| 车型 | 车辆 编号 | 行驶里程/ km | 末端压差/mV | 标签 | 是否 预警 |
| A | 1 | 46 165 | 43 | 漏液 | 是 |
| A | 2 | 91 413 | 32 | 参照 | 否 |
| A | 3 | 134 767 | 38 | 参照 | 否 |
| A | 4 | 124 077 | 34 | 参照 | 否 |
| A | 5 | 152 734 | 42 | 参照 | 否 |
| A | 6 | 63 036 | 223 | 参照 | 否 |
| A | 7 | 158 648 | 534 | 参照 | 否 |
| A | 8 | 52 782 | 472 | 参照 | 否 |
| A | 9 | 84 180 | 27 | 参照 | 否 |
| A | 10 | 159 168 | 289 | 参照 | 否 |
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