| A high temperature operating nanofibrous polyimide separator in Li-ion battery | |
Jiang, Wen; Liu, Zhihong; Kong, Qingshan; Yao, Jianhua; Zhang, Chuanjian; Han, Pengxian; Cui, Guanglei
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| 2013-02-07 | |
| 发表期刊 | SOLID STATE IONICS
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| 卷号 | 232期号:2013页码:44-48 |
| 摘要 | Separators possessing thermal stability are highly desired to meet the requirement of application in high power lithium batteries. In this paper, the thermosetting polyimide (PI) nano-fibers based nonwoven separators have been developed by electrospining technique and followed by thermal imidization and mechanical pressing with improved thermal stability and considerable mechanical strength. The high concentration of tortuous nanopores structure and intrinsic chemical configuration lead to good ionic transport and improved electrolyte wettability. The electrochemical characterization at high temperature of 120 degrees C demonstrates that the LiBOB/PC soaked polyimide nonwovens is an excellent electrolyte system for high temperature operation owing to possessing high oxidative potential, excellent lithium deposition-stripping performance and considerable ionic conductivity. The cells using LiBOB/PC soaked polyimide nonwovens as separator still exhibit stable charge-discharge profiles with quantitative coulumbic efficiency and satisfactory cydability at 120 degrees C. The superior electrochemical performance at high temperature could endow these polyimide nonwovens promising alternative to PP separators for high power or high temperature application with superior safety characteristic. (C) 2012 Elsevier B.V. All rights reserved. |
| 文章类型 | Article |
| 关键词 | Thermosetting Polyimide Separator Electrospinning High Temperature |
| 学科领域 | 仿生能源系统 |
| WOS标题词 | Science & Technology ; Physical Sciences |
| DOI | 10.1016/j.ssi.2012.11.010 |
| 关键词[WOS] | NONWOVEN SEPARATORS ; THERMAL-STABILITY ; ELECTROLYTES ; PERFORMANCES ; LIQUID ; LIBOB |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS研究方向 | Chemistry ; Physics |
| WOS类目 | Chemistry, Physical ; Physics, Condensed Matter |
| WOS记录号 | WOS:000315253200007 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.qibebt.ac.cn/handle/337004/1613 |
| 专题 | 仿生与固态能源系统研究组 |
| 作者单位 | Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Peoples R China |
| 推荐引用方式 GB/T 7714 | Jiang, Wen,Liu, Zhihong,Kong, Qingshan,et al. A high temperature operating nanofibrous polyimide separator in Li-ion battery[J]. SOLID STATE IONICS,2013,232(2013):44-48. |
| APA | Jiang, Wen.,Liu, Zhihong.,Kong, Qingshan.,Yao, Jianhua.,Zhang, Chuanjian.,...&Cui, Guanglei.(2013).A high temperature operating nanofibrous polyimide separator in Li-ion battery.SOLID STATE IONICS,232(2013),44-48. |
| MLA | Jiang, Wen,et al."A high temperature operating nanofibrous polyimide separator in Li-ion battery".SOLID STATE IONICS 232.2013(2013):44-48. |
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