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Effect of polyacrylonitrile on triethylene glycol diacetate-2-propenoic acid butyl ester gel polymer electrolytes with interpenetrating crosslinked network for flexible lithium ion batteries

Wang, Qiujun ; Song, Wei-Li ; Fan, Li-Zhen ; Shi, Qiao

Journal of Power Sources, Nov 1, 2015, Vol.295, p.139(10) [Tạp chí có phản biện]

ISSN: 0378-7753

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  • Nhan đề:
    Effect of polyacrylonitrile on triethylene glycol diacetate-2-propenoic acid butyl ester gel polymer electrolytes with interpenetrating crosslinked network for flexible lithium ion batteries
  • Tác giả: Wang, Qiujun ; Song, Wei-Li ; Fan, Li-Zhen ; Shi, Qiao
  • Chủ đề: Glycols (Class of Compounds) – Electric Properties ; Acrylic Acid – Electric Properties ; Polymer Industry – Electric Properties ; Batteries – Electric Properties ; Polyelectrolytes – Electric Properties
  • Là 1 phần của: Journal of Power Sources, Nov 1, 2015, Vol.295, p.139(10)
  • Mô tả: To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.jpowsour.2015.06.152 Byline: Qiujun Wang, Wei-Li Song, Li-Zhen Fan, Qiao Shi Abstract: A new flexible gel polymer electrolytes (GPE) with interpenetrating cross-linked network is fabricated by blending long-chain polyacrylonitrile (PAN) polymer matrix and short-chain triethylene glycol diacetate-2-propenoic acid butyl ester (TEGDA-BA) framework, with the purpose of enhancing the mechanical stability of the GPE frameworks via synergistic effects of the linear polymers and crosslinked monomers. The as fabricated frameworks enable the liquid electrolytes to be firmly entrapped in the polymeric matrices, which significantly improves the mechanical bendability and interface stability of the resultant GPE. The GPE with 5 wt% PAN exhibits high ionic conductivity up to 5.9 x 10.sup.-3 S cm.sup.-1 at 25 [degrees]C with a stable electrochemical window observed (>5.0 V vs. Li/Li.sup.+). The Li|GPE|LiFePO.sub.4 half cells demonstrate remarkably stable capacity retention and rate ability during cycling tests. As expected, the LiFePO.sub.4|GPE|Li.sub.4Ti.sub.5O.sub.12 full cells also exhibit discharge capacity of 125.2 mAh g.sup.-1 coupled with high columbic efficiency greater than 98% after 100 cycles. The excellent mechanical flexibility and charge/discharge performance suggest that the GPE holds great application potential in flexible LIBs. Author Affiliation: (a) Institute of Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China (b) Shenzhen Capchem Technology Co., Ltd., Shenzhen 518118, China Article History: Received 7 May 2015; Revised 26 June 2015; Accepted 30 June 2015
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0378-7753

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