Article(id=1319236447706665140, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319236433387303232, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20220113, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1644681600000, receivedDateStr=2022-02-13, revisedDate=1647878400000, revisedDateStr=2022-03-22, acceptedDate=null, acceptedDateStr=null, onlineDate=1792460079360, onlineDateStr=2026-10-20, pubDate=1660924800000, pubDateStr=2022-08-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792460079360, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792460079360, creator=13701087609, updateTime=1792460079360, updator=13701087609, issue=Issue{id=1319236433387303232, tenantId=1146029695717560320, journalId=1263187385517883426, year='2022', volume='50', issue='8', pageStart='2067', pageEnd='2350', issueExtLink='null', onlineDate='null', pubDate='1660924800000', pubDateStr='2022-08-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792460075946, creator='13701087609', updateTime=1792460621958, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319238723569569958, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319236433387303232, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319238723569569959, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319236433387303232, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=2110, endPage=2118, ext={EN=ArticleExt(id=1319236449732513974, articleId=1319236447706665140, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=In-situ Preparation and Electrochemical Properties of Non-woven Flexible Silicon Anode, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

Silicon anode materials pulverization and deciduation from the collector can lead to the battery capacity fast attenuation and low conductivity due to the volume expansion of silicon during the lithiation/delithiation process. We prepared a kind of non-woven flexible silicon-based anode by an in-situ electrospinning method with nanosilicon self-controlled, and investigated the morphology, structure and electrochemical performance. The results show that the prepared non-woven silicon-based anode has a superior flexibility, and carbon after polyvinyl pyrrolidone cracking mainly exists in the form of amorphous carbon. The Si/C composite silicon-based anode fiber film has a high specific surface area and a structure with massive mesopores, and the first-cycle discharge capacity can reach 2 086.7 mA·h/g at a charge-discharge current density of 0.1 A/g, the initial Coulomb efficiency is 81.1%, and the discharge capacity can still maintain > 500 mA·h/g after 100 cycles.

, authors=Dianping ZHANG1, 2, Shaopeng SU2, Meng ZHANG1, Jin LI2, authorsList=Dianping ZHANG, Shaopeng SU, Meng ZHANG, Jin LI, authorCompany=null, correspAuthors=Jin LI, authorNote=

ZHANG Dianping (1981-), male, Doctoral candidate. E-mail:

, correspAuthorsNote=
LI Jin (1964-), female, Professor. E-mail:
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针对硅材料嵌脱锂过程中体积膨胀容易导致负极材料粉化和与集流体脱落而使电池容量快速衰减、导电性差等问题,以自制的纳米硅为主要材料,采用静电纺丝的方法原位制备了具有无纺布结构的柔性硅基负极,对其物性与结构形貌和电化学性能进行了系统研究。结果表明:所制备的无纺布结构的硅基负极具有非常好的柔性,聚乙烯吡咯烷酮裂解后的碳主要以无定形碳的形式存在,Si/C复合的硅基负极纤维膜具有高的比表面积并存在大量介孔结构。在0.1 A/g充放电电流密度下,首圈放电容量可以达到2 086.7 mA·h/g,初始Coulombic效率高达81.1%,放电容量经过100圈循环后仍能维持在500 mA·h/g以上。

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张佃平(1981—),男,博士研究生。

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李进(1964—),女,博士,教授。
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无纺布结构柔性硅基负极原位制备及电化学性能
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张佃平 1, 2 , 苏少鹏 2 , 张猛 1 , 李进 2
硅酸盐学报 | 研究论文 2022,50(8): 2110-2118
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硅酸盐学报 |研究论文 2022 , 50 (8) : 2110 -2118
无纺布结构柔性硅基负极原位制备及电化学性能
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张佃平1, 2 , 苏少鹏2, 张猛1, 李进2
作者信息
  • 1.宁夏大学机械工程学院,银川 750021
  • 2.宁夏光伏材料重点实验室,银川 750021
通讯作者:
李进(1964—),女,博士,教授。
作者简介:

张佃平(1981—),男,博士研究生。

In-situ Preparation and Electrochemical Properties of Non-woven Flexible Silicon Anode
Dianping ZHANG1, 2 , Shaopeng SU2, Meng ZHANG1, Jin LI2
Affiliations
  • 1.School of Mechanical Engineering, Ningxia University, Yinchuan 750021, China
  • 2.Ningxia Key Laboratory of Photovoltaic Materials, Yinchuan 750021, China
  • Corresponding Author:
    LI Jin (1964-), female, Professor. E-mail:

    ZHANG Dianping (1981-), male, Doctoral candidate. E-mail:

出版时间: 2022-08-20 doi: 10.14062/j.issn.0454-5648.20220113
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针对硅材料嵌脱锂过程中体积膨胀容易导致负极材料粉化和与集流体脱落而使电池容量快速衰减、导电性差等问题,以自制的纳米硅为主要材料,采用静电纺丝的方法原位制备了具有无纺布结构的柔性硅基负极,对其物性与结构形貌和电化学性能进行了系统研究。结果表明:所制备的无纺布结构的硅基负极具有非常好的柔性,聚乙烯吡咯烷酮裂解后的碳主要以无定形碳的形式存在,Si/C复合的硅基负极纤维膜具有高的比表面积并存在大量介孔结构。在0.1 A/g充放电电流密度下,首圈放电容量可以达到2 086.7 mA·h/g,初始Coulombic效率高达81.1%,放电容量经过100圈循环后仍能维持在500 mA·h/g以上。

无纺布  /  硅基负极  /  静电纺丝  /  锂离子电池

Silicon anode materials pulverization and deciduation from the collector can lead to the battery capacity fast attenuation and low conductivity due to the volume expansion of silicon during the lithiation/delithiation process. We prepared a kind of non-woven flexible silicon-based anode by an in-situ electrospinning method with nanosilicon self-controlled, and investigated the morphology, structure and electrochemical performance. The results show that the prepared non-woven silicon-based anode has a superior flexibility, and carbon after polyvinyl pyrrolidone cracking mainly exists in the form of amorphous carbon. The Si/C composite silicon-based anode fiber film has a high specific surface area and a structure with massive mesopores, and the first-cycle discharge capacity can reach 2 086.7 mA·h/g at a charge-discharge current density of 0.1 A/g, the initial Coulomb efficiency is 81.1%, and the discharge capacity can still maintain > 500 mA·h/g after 100 cycles.

non-woven fabric  /  silicon-based anode  /  electrospinning  /  lithium-ion battery
张佃平, 苏少鹏, 张猛, 李进. 无纺布结构柔性硅基负极原位制备及电化学性能. 硅酸盐学报, 2022 , 50 (8) : 2110 -2118 . DOI: 10.14062/j.issn.0454-5648.20220113
Dianping ZHANG, Shaopeng SU, Meng ZHANG, Jin LI. In-situ Preparation and Electrochemical Properties of Non-woven Flexible Silicon Anode[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (8) : 2110 -2118 . DOI: 10.14062/j.issn.0454-5648.20220113
  • 宁夏自然科学基金项目(2020AAC03007)
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2022年第50卷第8期
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doi: 10.14062/j.issn.0454-5648.20220113
  • 接收时间:2022-02-13
  • 首发时间:2026-10-20
  • 出版时间:2022-08-20
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  • 收稿日期:2022-02-13
  • 修回日期:2022-03-22
基金
宁夏自然科学基金项目(2020AAC03007)
作者信息
    1.宁夏大学机械工程学院,银川 750021
    2.宁夏光伏材料重点实验室,银川 750021

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李进(1964—),女,博士,教授。
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https://castjournals.cast.org.cn/joweb/gsyxb/CN/10.14062/j.issn.0454-5648.20220113
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
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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