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Lee, Sang-Young
Energy Soft-Materials Lab (ESML)
Research Interests
  • Soft Materials for Energy Storage/ Conversion Systems

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Close-packed poly(methyl methacrylate) nanoparticle arrays-coated polyethylene separators for high-power lithium-ion polymer batteries

Cited 31 times inthomson ciCited 30 times inthomson ci
Title
Close-packed poly(methyl methacrylate) nanoparticle arrays-coated polyethylene separators for high-power lithium-ion polymer batteries
Author
Park, Jang-HoonPark, WoongKim, Jong HunRyoo, DongjoKim, Hoon SikJeong, Yeon UkKim, Dong-WonLee, Sang-Young
Keywords
Gel polymer electrolytes; High-power; Lithium-ion polymer batteries; Nanoparticle arrays; PMMA; Separators
Issue Date
2011-08
Publisher
ELSEVIER SCIENCE BV
Citation
JOURNAL OF POWER SOURCES, v.196, no.16, pp.7035 - 7038
Abstract
In an endeavor to improve the discharge C-rate performance of lithium-ion polymer batteries targeting high-power applications, we develop a novel gel polymer electrolyte-coated separator, which is based on introduction of close-packed poly(methyl methacrylate)(PMMA) nanoparticle arrays onto a polyethylene (PE) separator. In contrast to a conventional PMMA dense coating layer, a noticeable feature of the PMMA nanoparticle array coating layer is its highly ordered nanoporous structure, i.e. well-connected interstitial voids formed between the close-packed PMMA nanoparticles. This unique morphology allows for not only favorable liquid electrolyte wettability but also facile ionic conduction of the PMMA nanoparticle arrays-coated separator, both of which play crucial roles in improving the discharge C-rate performance of cells assembled with the separator. (C) 2010 Elsevier B.V. All rights reserved
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DOI
10.1016/j.jpowsour.2010.09.102
ISSN
0378-7753
Appears in Collections:
ECHE_Journal Papers
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