[1]巩桂芬,徐阿文,王磊,等. 静电纺EVOH-SO3Li/PEGDMA隔膜的性能[J].哈尔滨理工大学学报,2019,(03):100-105.[doi:10.15938/j.jhust.2019.03.016]
 GONG Gui fen,XU A wen,WANG Lei,et al. Performance of Electrospinning EVOHSO3 Li/PEGDMA Diaphragm[J].哈尔滨理工大学学报,2019,(03):100-105.[doi:10.15938/j.jhust.2019.03.016]
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 静电纺EVOH-SO3Li/PEGDMA隔膜的性能()
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《哈尔滨理工大学学报》[ISSN:1007-2683/CN:23-1404/N]

卷:
期数:
2019年03期
页码:
100-105
栏目:
材料科学与工程
出版日期:
2019-06-24

文章信息/Info

Title:
 Performance of Electrospinning EVOHSO3 Li/PEGDMA Diaphragm
文章编号:
1007-2683(2019)03-0100-06
作者:
 巩桂芬1徐阿文1王磊1戴绍仕2
 (1.哈尔滨理工大学 材料科学与工程学院,黑龙江 哈尔滨 150080; 
2.哈尔滨工程大学 船舶工程学院,黑龙江 哈尔滨 150001)
Author(s):
 GONG Guifen1XU Awen1WANG Lei1DAI Shaoshi2
 (1.School of Material Science and Engineering, Harbin University of Science and Technology, Harbin 150080, China;2.School of Naval Architecture, Harbin Engineering University, Harbin 150001, China)
关键词:
 静电纺丝PEGDMA锂电池隔膜EVOH
Keywords:
 electrospinning PEGDMA lithium battery separator EVOH
分类号:
TM215.1
DOI:
10.15938/j.jhust.2019.03.016
文献标志码:
A
摘要:
 用聚乙二醇二甲基丙烯酸酯(PEGDMA)改性聚乙烯-乙烯醇磺酸锂(EVOH-SO3Li),采用高压静电纺丝技术纺成相互交错结构的纤维隔膜。对制备的隔膜分别进行化学结构、微观形貌、吸液率和孔隙率、胀缩率、机械性能和热性能(TG和DSC)的测试和分析。结果表明:EVOH-SO3Li/PEGDMA复合隔膜材料的纤维丝光滑、粗细均匀、无珠体结构;与EVOH-SO3Li隔膜材料相比,在EVOH-SO3Li/PEGDMA质量比为100/40时复合隔膜的综合性能最佳,孔隙率和吸液率分别为60%和258%,复合隔膜材料的胀缩率和拉伸强度都有所提高,分别为1.42和5.2MPa;加入PEGDMA改性后的隔膜的热分解性能基本不变,起始热分解温度为270℃。
Abstract:
 Interchangeable structure of the fibrous separator was formed by lithium ethylenevinyl alcohol copolymer sulfate (EVOH-SO3Li) modified polyethylene glycol dimethacrylate (PEGDMA) using highvoltage electrostatic spinning technology. The mechanical properties, microstructure, absorbency and porosity, shrinkage rate, mechanical properties and thermal properties (TG and DSC) were tested and analyzed. The results showed that the fiber of EVOH-SO3Li/PEGDMA separator composite was smooth with uniform thickness and non bead structure. Compared with the EVOH-SO3Li separator, the separator composite with the EVOH-SO3Li / PEGDMA mass ratio of 100/40 has the best overall performance with the porosity and liquid absorption of 60% and 258% respectively.  The shrinkage and tensile strength of the separator composite has increased—1.42 and 5.2MPa respectively.  The thermal decomposition performance of the modified PEGDMA separator was almost unchanged, and the initial thermal decomposition temperature was 270℃.

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备注/Memo

备注/Memo:
 收稿日期: 2017-03-28
基金项目: 山东省自然科学基金(ZR2011EMQ014);国家自然科学基金(5160030627)
作者简介:
巩桂芬(1966—),女,博士,教授;
戴绍仕(1971—),女,副教授,硕士研究生导师
通信作者:
徐阿文(1993—),男,硕士研究生,E-mail:1069749819@qq.com.
更新日期/Last Update: 2019-06-20