Article(id=1319244977536876565, tenantId=1146029695717560320, journalId=1189621681917173762, issueId=1319244966216446015, articleNumber=null, orderNo=null, doi=10.19620/j.cnki.1000-3703.20250859, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=1788796800000, revisedDateStr=2026-09-08, acceptedDate=null, acceptedDateStr=null, onlineDate=1792462113030, onlineDateStr=2026-10-20, pubDate=1790179200000, pubDateStr=2026-09-24, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792462113030, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792462113030, creator=13701087609, updateTime=1792462113030, updator=13701087609, issue=Issue{id=1319244966216446015, tenantId=1146029695717560320, journalId=1189621681917173762, year='2026', volume='', issue='9', pageStart='1', pageEnd='62', issueExtLink='null', onlineDate='null', pubDate='1790179200000', pubDateStr='2026-09-24', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792462110332, creator='13701087609', updateTime=1792735854454, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1320393132613681559, tenantId=1146029695717560320, journalId=1189621681917173762, issueId=1319244966216446015, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1320393132613681560, tenantId=1146029695717560320, journalId=1189621681917173762, issueId=1319244966216446015, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=37, endPage=44, ext={EN=ArticleExt(id=1319244977746591767, articleId=1319244977536876565, tenantId=1146029695717560320, journalId=1189621681917173762, language=EN, title=Research on the Influence of Silicon Content on Thermal Runaway Characteristics of Lithium-Ion Power Battery, columnId=1319244967055306816, journalTitle=Automobile Technology, columnName=Special Topic on Lateral Stability and Motion Tracking Control Technology for Steer-by-Wire Vehicles, runingTitle=null, highlight=null, articleAbstract=

Regarding the problem of thermal runaway in automotive lithium-ion batteries, in this paper the experiments were performed based on 1 Ah soft pack batteries, Adiabatic Accelerating Rate Calorimetry (ARC) and lateral heating experiments. The thermal runaway behavior and changing process of silicon-based negative batteries with different SiOx mass fractions (0%, 5%, 10%, 15%) was researched. It is studied that the influence of silicon content on the characteristic temperature of thermal runaway and the battery voltage, as well as the changing characteristics of flame jetting during thermal runaway. The quantitative relation between silicon content-SEI stability-thermal runaway was established. The results show that the thermal stability index (temperature threshold) T1 of the SEI film gradually decreases with the increase of SiOx, and the triggering temperature T2 of thermal runaway increases, and the highest temperature T3 gets to 30.3% (when the SiOx content is 15%). At the same time, comparing with lithium-ion batteries made of graphite materials, the unit heat release increases by 42.3%. In the lateral heating experiment, the highest temperature of battery thermal runaway gets to 1 003.5 ℃ (when the SiOx content is 15%), and the flame jetting is more intense and the duration is shorter (10 s).

, authors=Jun Li1, 2, Qiang Jin1, Yiyun Wang2, Hanbing Wei1, Siqin Kong2, authorsList=Jun Li, Qiang Jin, Yiyun Wang, Hanbing Wei, Siqin Kong, authorCompany=null, correspAuthors=Yiyun Wang, 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, fund=null), CN=ArticleExt(id=1319244977985667096, articleId=1319244977536876565, tenantId=1146029695717560320, journalId=1189621681917173762, language=CN, title=硅含量对锂离子动力电池热失控特性影响的试验研究, columnId=1319244967223078978, journalTitle=汽车技术, columnName=线控转向车辆横向稳定性与运动跟踪控制技术专题, runingTitle=null, highlight=null, articleAbstract=

针对汽车锂离子动力电池热失控问题,基于绝热加速量热法实验,以1 A·h软包电池为研究对象,结合侧向加热方式,分析不同硅含量(SiOx质量分数0%、5%、10%、15%)电池的热失控过程及变化特征,研究硅含量对热失控特征温度和电池电压的影响,以及热失控时火焰喷射的变化特征,提出硅含量-固态电解质相界面(SEI)膜稳定性-热失控的定量关系建议。实验结果表明:随着SiOx含量增加,SEI膜热稳定性指标(温度阈值)T1逐渐降低,热失控的触发温度T2升高,其热失控最高温度T3升高30.3%(SiOx含量15%时,达836.2 ℃),且与石墨材料锂离子电池相比,单位热释放量增加42.3%。在侧向加热实验研究中,电池热失控最高温度可达1 003.5 ℃(SiOx含量15%时),火焰喷射更加剧烈、持续时间更短(10 s)。

, authors=李军1, 2, 金强1, 王艺云2, 隗寒冰1, 孔思琴2, authorsList=李军, 金强, 王艺云, 隗寒冰, 孔思琴, authorCompany=null, correspAuthors=王艺云, authorNote=null, correspAuthorsNote=
王艺云(1984—),女,副教授,研究方向为新能源汽车、汽车自动驾驶技术,。
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硅含量对锂离子动力电池热失控特性影响的试验研究
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李军 1, 2 , 金强 1 , 王艺云 2 , 隗寒冰 1 , 孔思琴 2
汽车技术 | 线控转向车辆横向稳定性与运动跟踪控制技术专题 2026,(9): 37-44
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汽车技术 |线控转向车辆横向稳定性与运动跟踪控制技术专题 2026 , (9) : 37 -44
硅含量对锂离子动力电池热失控特性影响的试验研究
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李军1, 2, 金强1, 王艺云2 , 隗寒冰1, 孔思琴2
作者信息
  • 1.重庆交通大学,重庆 400074
  • 2.重庆机电职业技术大学,重庆 402760
通讯作者:
王艺云(1984—),女,副教授,研究方向为新能源汽车、汽车自动驾驶技术,。
Research on the Influence of Silicon Content on Thermal Runaway Characteristics of Lithium-Ion Power Battery
Jun Li1, 2, Qiang Jin1, Yiyun Wang2 , Hanbing Wei1, Siqin Kong2
Affiliations
  • 1.Chongqing Jiaotong University, Chongqing 400074
  • 2. Chongqing Vocational and Technical University of Mechatronics, Chongqing 402760
出版时间: 2026-09-24 doi: 10.19620/j.cnki.1000-3703.20250859
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针对汽车锂离子动力电池热失控问题,基于绝热加速量热法实验,以1 A·h软包电池为研究对象,结合侧向加热方式,分析不同硅含量(SiOx质量分数0%、5%、10%、15%)电池的热失控过程及变化特征,研究硅含量对热失控特征温度和电池电压的影响,以及热失控时火焰喷射的变化特征,提出硅含量-固态电解质相界面(SEI)膜稳定性-热失控的定量关系建议。实验结果表明:随着SiOx含量增加,SEI膜热稳定性指标(温度阈值)T1逐渐降低,热失控的触发温度T2升高,其热失控最高温度T3升高30.3%(SiOx含量15%时,达836.2 ℃),且与石墨材料锂离子电池相比,单位热释放量增加42.3%。在侧向加热实验研究中,电池热失控最高温度可达1 003.5 ℃(SiOx含量15%时),火焰喷射更加剧烈、持续时间更短(10 s)。

锂离子电池  /  硅基负极  /  热失控特性  /  侧向加热  /  绝热加速量热法

Regarding the problem of thermal runaway in automotive lithium-ion batteries, in this paper the experiments were performed based on 1 Ah soft pack batteries, Adiabatic Accelerating Rate Calorimetry (ARC) and lateral heating experiments. The thermal runaway behavior and changing process of silicon-based negative batteries with different SiOx mass fractions (0%, 5%, 10%, 15%) was researched. It is studied that the influence of silicon content on the characteristic temperature of thermal runaway and the battery voltage, as well as the changing characteristics of flame jetting during thermal runaway. The quantitative relation between silicon content-SEI stability-thermal runaway was established. The results show that the thermal stability index (temperature threshold) T1 of the SEI film gradually decreases with the increase of SiOx, and the triggering temperature T2 of thermal runaway increases, and the highest temperature T3 gets to 30.3% (when the SiOx content is 15%). At the same time, comparing with lithium-ion batteries made of graphite materials, the unit heat release increases by 42.3%. In the lateral heating experiment, the highest temperature of battery thermal runaway gets to 1 003.5 ℃ (when the SiOx content is 15%), and the flame jetting is more intense and the duration is shorter (10 s).

Lithium-ion battery  /  Silicon-based anode  /  Thermal runaway characteristic  /  Side heating  /  ARC
李军, 金强, 王艺云, 隗寒冰, 孔思琴. 硅含量对锂离子动力电池热失控特性影响的试验研究. 汽车技术, 2026 , (9) : 37 -44 . DOI: 10.19620/j.cnki.1000-3703.20250859
Jun Li, Qiang Jin, Yiyun Wang, Hanbing Wei, Siqin Kong. Research on the Influence of Silicon Content on Thermal Runaway Characteristics of Lithium-Ion Power Battery[J]. Automobile Technology, 2026 , (9) : 37 -44 . DOI: 10.19620/j.cnki.1000-3703.20250859
  • 国家自然科学基金项目(52172381)
  • 重庆市技术创新重大专项(CSTB2022TIAD-STX0003)
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doi: 10.19620/j.cnki.1000-3703.20250859
  • 首发时间:2026-10-20
  • 出版时间:2026-09-24
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  • 修回日期:2026-09-08
基金
国家自然科学基金项目(52172381)
重庆市技术创新重大专项(CSTB2022TIAD-STX0003)
作者信息
    1.重庆交通大学,重庆 400074
    2.重庆机电职业技术大学,重庆 402760

通讯作者:

王艺云(1984—),女,副教授,研究方向为新能源汽车、汽车自动驾驶技术,。
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2种不同金属材料的力学参数
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total species (%)
属
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species
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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