Article(id=1304925007835062930, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1304924993196941811, articleNumber=null, orderNo=null, doi=10.16790/j.cnki.1009-9239.im.2026.02.003, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1741536000000, receivedDateStr=2025-03-10, revisedDate=1750608000000, revisedDateStr=2025-06-23, acceptedDate=null, acceptedDateStr=null, onlineDate=1789047966202, onlineDateStr=2026-09-10, pubDate=1771516800000, pubDateStr=2026-02-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789047966202, onlineIssueDateStr=2026-09-10, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789047966202, creator=13701087609, updateTime=1789047966202, updator=13701087609, issue=Issue{id=1304924993196941811, tenantId=1146029695717560320, journalId=1149653034449285133, year='2026', volume='59', issue='2', pageStart='1', pageEnd='158', issueExtLink='null', onlineDate='null', pubDate='1771516800000', pubDateStr='2026-02-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1789047962712, creator='13701087609', updateTime=1789118140557, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1305219340496819100, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1304924993196941811, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1305219340496819101, tenantId=1146029695717560320, journalId=1149653034449285133, issueId=1304924993196941811, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=20, endPage=29, ext={EN=ArticleExt(id=1304925008028000915, articleId=1304925007835062930, tenantId=1146029695717560320, journalId=1149653034449285133, language=EN, title=Study on staged gas production characteristics of XLPE during electrical and thermal decomposition based on experiments and molecular simulations, columnId=null, journalTitle=Insulating Materials, columnName=null, runingTitle=null, highlight=null, articleAbstract=
In order to obtain the characteristic gases generated during the decomposition of cross-linked polyethylene (XLPE) at different stages under electrical and thermal factors to judge the degree of degradation, we systematically studied the gas production characteristics of XLPE under thermal field and electrical field through thermogravimetric-infrared (TG-IR) experiments, high-energy discharge gas production experiments, and molecular dynamics (MD) simulations based on reactive force field (ReaxFF). The results show that under the action of thermal field, XLPE primarily decomposes to generate ethylene, propylene, and long-chain hydrocarbons, accompanied by oxidation products such as CO and CO2. While under the action of electrical field, the characteristic gases are mainly acetylene and propyne, and distinct absorption peaks of propyne appear in the infrared spectrum under high-energy discharge. Molecular simulation further reveals the differences in decomposition pathways of XLPE under electric and thermal fields. Specifically, decomposition under the thermal field is dominated by end-group breakage, while the electric field accelerates free radical reactions and promotes the generation of highly unsaturated substances. Finally, a normalized characteristic gas infrared spectrum library is constructed through density functional theory (DFT) calculation. The gas production process is divided into different stages based on the turning point of thermogravimetric curve, the peak spectrum change temperature of gas infrared spectrum, and the molecular simulation trajectory time of the decomposition process. This study clarifies the characteristic gases of XLPE during electrical/thermal decomposition and the gas production mechanisms, which can provide a theoretical basis for the fault detection of XLPE cable based on gas infrared spectrum.
, authors=Baigen WANG
1, Bei QI
2, 3, Guodong ZHENG
1, Yan GAO
1, Xichao ZHOU
4, *, Zishang XU
5, Yong PENG
4, authorsList=Baigen WANG, Bei QI, Guodong ZHENG, Yan GAO, Xichao ZHOU, Zishang XU, Yong PENG, authorCompany=null, correspAuthors=Xichao ZHOU, 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=1304925010582332080, articleId=1304925007835062930, tenantId=1146029695717560320, journalId=1149653034449285133, language=CN, title=基于实验与分子模拟的XLPE电/热分解分阶段产气特性研究, columnId=null, journalTitle=绝缘材料, columnName=, runingTitle=null, highlight=null, articleAbstract=
为获取交联聚乙烯(XLPE)在电、热等因素下不同阶段分解产生的特征气体以判断其劣化程度,本文通过热重-红外(TG-IR)测试、高能放电产气实验,结合基于反应力场(ReaxFF)的分子动力学(MD)模拟,系统研究了XLPE在热场和电场作用下的分解产气特性。结果表明:热场作用下,XLPE主要分解生成乙烯、丙烯及长链烃类物质,并伴随一氧化碳、二氧化碳等氧化产物;而在电场作用下,特征气体以乙炔、丙炔为主,且在高能放电下红外谱图中出现明显的丙炔吸收峰。通过分子动力学模拟进一步揭示了电、热场作用下XLPE的分解路径差异,热场下以端基断裂为主,而电场加速了自由基反应,生成高不饱和度物质。最后通过密度泛函理论(DFT)计算构建了归一化的特征气体红外谱图库。按照热重曲线转折温度、气体红外光谱峰谱变化温度、分解过程的分子动力学模拟轨迹时间将热解产气过程划分为不同阶段。本研究明确了XLPE电/热分解的特征气体及产气机制,可为基于气体红外光谱的XLPE电缆故障检测提供理论基础。
, authors=王白根
1, 齐蓓
2, 3, 郑国栋
1, 高艳
1, 周喜超
4, *, 徐子尚
5, 彭勇
4, authorsList=王白根, 齐蓓, 郑国栋, 高艳, 周喜超, 徐子尚, 彭勇, authorCompany=null, correspAuthors=周喜超, authorNote=
王白根(1967-),男(汉族),安徽安庆人,正高级工程师,主要从事客户用电安全、电力保供的研究
, correspAuthorsNote=
周喜超(1982-),男(汉族),吉林长春人,正高级工程师,博士,主要从事综合能源与储能技术的研究。
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2State Grid Electric Power Research Institute Co., Ltd., Nanjing 210000, China
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2国网电力科学研究院有限公司,江苏 南京 210000
3国网电力科学研究院武汉能效测评有限公司,湖北 武汉 430074, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1304925011089842868, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, xref=2, ext=[AuthorCompanyExt(id=1304925011098231477, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, companyId=1304925011089842868, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1Anqing Power Supply Company, State Grid Anhui Electric Power Co., Ltd., Anqing 246000, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1304925012020978383, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, authorId=1304925011865789132, language=CN, stringName=郑国栋, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1国网安徽省电力有限公司安庆供电公司,安徽 安庆 246000, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1304925010959819441, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, xref=1, ext=[AuthorCompanyExt(id=1304925010972402354, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, companyId=1304925010959819441, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Schematic diagram of the research methodology in this paper, figureFileSmall=iZJ+m1UWjtaSA7ndeKDMLQ==, figureFileBig=G9/9k8GEzc3ce8UvIJRWoQ==, tableContent=null), ArticleFig(id=1304925013631591149, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, language=CN, label=图1, caption=
本文的研究方法示意图, figureFileSmall=iZJ+m1UWjtaSA7ndeKDMLQ==, figureFileBig=G9/9k8GEzc3ce8UvIJRWoQ==, tableContent=null), ArticleFig(id=1304925013841306350, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, language=EN, label=Fig.2, caption=
Experimental device diagram for breakdown gas production, figureFileSmall=adYBT+JxVmjLOmaVfGEYDg==, figureFileBig=yuqeqyhNAmqgoWBID4u6fA==, tableContent=null), ArticleFig(id=1304925013900026607, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, language=CN, label=图2, caption=
击穿产气实验装置图, figureFileSmall=adYBT+JxVmjLOmaVfGEYDg==, figureFileBig=yuqeqyhNAmqgoWBID4u6fA==, tableContent=null), ArticleFig(id=1304925013967135472, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, language=EN, label=Fig.3, caption=
Schematic diagram of XLPE modeling, figureFileSmall=MxxZkPRnuhb2csuFmwNjrQ==, figureFileBig=0bcUmSQOa/snfrdGj4IO6w==, tableContent=null), ArticleFig(id=1304925014034244337, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, language=CN, label=图3, caption=
XLPE建模示意图, figureFileSmall=MxxZkPRnuhb2csuFmwNjrQ==, figureFileBig=0bcUmSQOa/snfrdGj4IO6w==, tableContent=null), ArticleFig(id=1304925014113936114, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, language=EN, label=Fig.4, caption=
Infrared spectra of decomposition gases of XLPE under different breakdown voltage in air, figureFileSmall=1F2Se/3/3AV6iEt047dLZA==, figureFileBig=GF2fkcZgk+2mu3PKyTo0kA==, tableContent=null), ArticleFig(id=1304925014189433587, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, language=CN, label=图4, caption=
空气中XLPE在不同击穿电压下分解气体的红外光谱, figureFileSmall=1F2Se/3/3AV6iEt047dLZA==, figureFileBig=GF2fkcZgk+2mu3PKyTo0kA==, tableContent=null), ArticleFig(id=1304925014269125364, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, language=EN, label=Fig.5, caption=
GC results of decomposition gas of XLPE under different breakdown voltage in air, figureFileSmall=ask9wyuf4lzDQhqTkCBPag==, figureFileBig=b1PHZNYlBfigh/7rF4lXhw==, tableContent=null), ArticleFig(id=1304925014332039925, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, language=CN, label=图5, caption=
空气中XLPE在不同击穿电压下分解气体的气相色谱结果, figureFileSmall=ask9wyuf4lzDQhqTkCBPag==, figureFileBig=b1PHZNYlBfigh/7rF4lXhw==, tableContent=null), ArticleFig(id=1304925014411731702, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, language=EN, label=Fig.6, caption=
Thermogravimetric analysis image of XLPE, figureFileSmall=Te7gqQifJ+ZO8bb1TjXuZw==, figureFileBig=N3wQ8RMqYGiHUEeVc2KVDQ==, tableContent=null), ArticleFig(id=1304925014474646263, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, language=CN, label=图6, caption=
XLPE热重分析图, figureFileSmall=Te7gqQifJ+ZO8bb1TjXuZw==, figureFileBig=N3wQ8RMqYGiHUEeVc2KVDQ==, tableContent=null), ArticleFig(id=1304925014541755128, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, language=EN, label=Fig.7, caption=
Infrared spectra of decomposition gas of XLPE under different temperatures in air, figureFileSmall=8iAWc2Vwzf+eNttD6PA1Dw==, figureFileBig=OyCYoSlbRu5isP8kCiTQ2A==, tableContent=null), ArticleFig(id=1304925014608863993, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, language=CN, label=图7, caption=
空气中XLPE在不同温度下分解气体的红外光谱, figureFileSmall=8iAWc2Vwzf+eNttD6PA1Dw==, figureFileBig=OyCYoSlbRu5isP8kCiTQ2A==, tableContent=null), ArticleFig(id=1304925014671778554, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, language=EN, label=Fig.8, caption=
GC results of decomposition gas of XLPE under different temperatures in air, figureFileSmall=jvceOkKLk/dpNDSb7nEcNg==, figureFileBig=qVvI79J+ynFAH5cM+pRU9w==, tableContent=null), ArticleFig(id=1304925014747276027, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, language=CN, label=图8, caption=
空气中XLPE在不同温度下分解气体的气相色谱结果, figureFileSmall=jvceOkKLk/dpNDSb7nEcNg==, figureFileBig=qVvI79J+ynFAH5cM+pRU9w==, tableContent=null), ArticleFig(id=1304925014818579196, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, language=EN, label=Fig.9, caption=
Molecular simulation thermogravimetric analysis of XLPE, figureFileSmall=O2/E3gH7qX0BX7oFFAY/ow==, figureFileBig=tKTan2LB53ooTkWSkIavRw==, tableContent=null), ArticleFig(id=1304925014898270973, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, language=CN, label=图9, caption=
XLPE的分子模拟热失重图, figureFileSmall=O2/E3gH7qX0BX7oFFAY/ow==, figureFileBig=tKTan2LB53ooTkWSkIavRw==, tableContent=null), ArticleFig(id=1304925014977962750, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, language=EN, label=Fig.10, caption=
Substance content variation of XLPE during decomposition process, figureFileSmall=PlOMxPSjMeMUL2bGvJzmMw==, figureFileBig=RyvwOR7TSIWo/o/FJofxTg==, tableContent=null), ArticleFig(id=1304925015036683007, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, language=CN, label=图10, caption=
XLPE分解过程中的物质含量变化图, figureFileSmall=PlOMxPSjMeMUL2bGvJzmMw==, figureFileBig=RyvwOR7TSIWo/o/FJofxTg==, tableContent=null), ArticleFig(id=1304925015116374784, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, language=EN, label=Fig.11, caption=
DFT calculation spectra library, figureFileSmall=qAxo0Xm7ZLb+kSd6a/G+Aw==, figureFileBig=76VNgLf3Gs0cpqiV4jtrOg==, tableContent=null), ArticleFig(id=1304925015212843777, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, language=CN, label=图11, caption=
DFT计算的谱图库, figureFileSmall=qAxo0Xm7ZLb+kSd6a/G+Aw==, figureFileBig=76VNgLf3Gs0cpqiV4jtrOg==, tableContent=null), ArticleFig(id=1304925015296729858, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, language=EN, label=Fig.12, caption=
Schematic diagram of incremental gas production of XLPE under thermal and electrical field with oxygen and without oxygen, figureFileSmall=XmECkaaoCapOjB7QbvBRLQ==, figureFileBig=j5KO16fFrzG+4by5dIhqPQ==, tableContent=null), ArticleFig(id=1304925015363838723, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, language=CN, label=图12, caption=
无氧与有氧情况下XLPE在热场、电场作用下增量气体产气示意图, figureFileSmall=XmECkaaoCapOjB7QbvBRLQ==, figureFileBig=j5KO16fFrzG+4by5dIhqPQ==, tableContent=null), ArticleFig(id=1304925015430947588, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, language=EN, label=Fig.13, caption=
Verification experiment of surface discharge gas production on 10 kV XLPE cable, figureFileSmall=C5zzo1pwsqqrvwRyVliedA==, figureFileBig=qKOs51zV+TqWlBLGE/8A2A==, tableContent=null), ArticleFig(id=1304925015510639365, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, language=CN, label=图13, caption=
10 kV XLPE电缆进行表面放电产气验证实验, figureFileSmall=C5zzo1pwsqqrvwRyVliedA==, figureFileBig=qKOs51zV+TqWlBLGE/8A2A==, tableContent=null), ArticleFig(id=1304925015556776710, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, language=EN, label=Fig.14, caption=
On site gas infrared spectrum of 110 kV high-voltage cable, figureFileSmall=BZrttgeM1PxsxFUHa9MSuQ==, figureFileBig=x8mGmoKOe3/iQ0aa7LpHtw==, tableContent=null), ArticleFig(id=1304925015653245703, tenantId=1146029695717560320, journalId=1149653034449285133, articleId=1304925007835062930, language=CN, label=图14, caption=
110 kV高压电缆现场气体红外光谱图, figureFileSmall=BZrttgeM1PxsxFUHa9MSuQ==, figureFileBig=x8mGmoKOe3/iQ0aa7LpHtw==, tableContent=null)], attaches=null, journal=Journal(id=1146437660891000859, delFlag=0, nameCn=绝缘材料, nameEn=Insulating Materials, nameHistory1=null, nameHistory2=null, issn=1009-9239, eissn=null, cn=45-1287/TM, coden=null, periodic=0, language=CN, oaType=是, ccby=CC BY-NC-ND, superviseOffice=null, ownerOffice=null, pubOffice=null, editorOffice=null, officeType=null, aims=null, clcCode=null, officeProv=null, officeCity=null, officeAddr=null, officeZip=null, officeEmail=null, officePhone=null, editDirector=null, officeDirector=null, officeDirectorPhone=null, officeStaffNum=null, officeEmpNum=null, coverPicUrl=To3JhdgsOj1Q7eh5WnUN1g==, journalPrice=null, startedYear=null, abbrevIsoEn=null, journalRemark=null, publicationField=null, createdTime=1751261638140, updatedTime=1788951175809, createdBy=18614031015, updatedBy=13041195026, firstLetterCn=J, firstLetterEn=J, subjectCode=Engineering, 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