锂离子电池隔膜物理及电化学性能评价及对比
TM912; 对目前被广泛使用的聚乙烯隔膜、聚丙烯隔膜、聚丙烯/聚乙烯/聚丙烯三层复合隔膜和氧化铝涂覆聚乙烯隔膜的物理性能和电化学性能进行了详细的分析对比.研究表明:氧化铝涂覆聚乙烯隔膜相比于其他三种隔膜,除拉伸强度略低于聚丙烯/聚乙烯/聚丙烯三层复合隔膜外,在耐穿刺性、热稳定性、润湿性及离子电导率等方面均具有更突出的性能.其穿刺强度达到了 426.91 N·mm-1,并且在140 ℃下热处理1 h基本没有热收缩.氧化铝颗粒的亲水性提高了隔膜与电解液之间的润湿性,使得隔膜具有优异的离子电导率(0.719 mS·cm-1),并且100次循环后容量保持率为91.19％,优于聚乙烯隔膜、聚丙烯隔膜、...
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| Published in | 工程科学学报 Vol. 46; no. 1; pp. 73 - 80 |
|---|---|
| Main Authors | , , , , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
北京科技大学冶金与生态工程学院,北京 100083%上海恩捷新材料科技有限公司,上海 201399
2024
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| Subjects | |
| Online Access | Get full text |
| ISSN | 2095-9389 |
| DOI | 10.13374/j.issn2095-9389.2023.01.16.004 |
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| Abstract | TM912; 对目前被广泛使用的聚乙烯隔膜、聚丙烯隔膜、聚丙烯/聚乙烯/聚丙烯三层复合隔膜和氧化铝涂覆聚乙烯隔膜的物理性能和电化学性能进行了详细的分析对比.研究表明:氧化铝涂覆聚乙烯隔膜相比于其他三种隔膜,除拉伸强度略低于聚丙烯/聚乙烯/聚丙烯三层复合隔膜外,在耐穿刺性、热稳定性、润湿性及离子电导率等方面均具有更突出的性能.其穿刺强度达到了 426.91 N·mm-1,并且在140 ℃下热处理1 h基本没有热收缩.氧化铝颗粒的亲水性提高了隔膜与电解液之间的润湿性,使得隔膜具有优异的离子电导率(0.719 mS·cm-1),并且100次循环后容量保持率为91.19％,优于聚乙烯隔膜、聚丙烯隔膜、聚丙烯/聚乙烯/聚丙烯三层复合隔膜.表明氧化铝涂覆聚乙烯隔膜与其他三种隔膜相比在长循环、高功率和高安全性的锂离子电池中具有最好的应用前景. |
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| AbstractList | TM912; 对目前被广泛使用的聚乙烯隔膜、聚丙烯隔膜、聚丙烯/聚乙烯/聚丙烯三层复合隔膜和氧化铝涂覆聚乙烯隔膜的物理性能和电化学性能进行了详细的分析对比.研究表明:氧化铝涂覆聚乙烯隔膜相比于其他三种隔膜,除拉伸强度略低于聚丙烯/聚乙烯/聚丙烯三层复合隔膜外,在耐穿刺性、热稳定性、润湿性及离子电导率等方面均具有更突出的性能.其穿刺强度达到了 426.91 N·mm-1,并且在140 ℃下热处理1 h基本没有热收缩.氧化铝颗粒的亲水性提高了隔膜与电解液之间的润湿性,使得隔膜具有优异的离子电导率(0.719 mS·cm-1),并且100次循环后容量保持率为91.19％,优于聚乙烯隔膜、聚丙烯隔膜、聚丙烯/聚乙烯/聚丙烯三层复合隔膜.表明氧化铝涂覆聚乙烯隔膜与其他三种隔膜相比在长循环、高功率和高安全性的锂离子电池中具有最好的应用前景. |
| Author | 杨润杰 卢婷婷 于国庆 刘风琴 赵洪亮 胡韬 张家靓 吴泽港 |
| AuthorAffiliation | 北京科技大学冶金与生态工程学院,北京 100083%上海恩捷新材料科技有限公司,上海 201399 |
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| Author_FL | WU Zegang YANG Runjie HU Tao YU Guoqing LIU Fengqin ZHANG Jialiang ZHAO Hongliang LU Tingting |
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| Title | 锂离子电池隔膜物理及电化学性能评价及对比 |
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