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Kim, Jae-Kwang
YK Research
Research Interests
  • Organic rechargeable batteries
  • Advanced Functional Materials
  • Polymer electrolyte, Lonic liquid, Sodium Batteries
  • New Energy Conversion and Storage

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A layer-built rechargeable lithium ribbon-type battery for high energy density textile battery applications

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Title
A layer-built rechargeable lithium ribbon-type battery for high energy density textile battery applications
Author
Kim, Jae-KwangScheers, JohanRyu, Ho-SukAhn, Jou-HyeonNam, Tae-HyunKim, Ki-WonAhn, Hyo-JunCho, Gyu-BongJacobsson, Per
Issue Date
2014-02
Publisher
ROYAL SOC CHEMISTRYROYAL SOC CHEMISTRY
Citation
JOURNAL OF MATERIALS CHEMISTRY A, v.2, no.6, pp.1774 - 1780
Abstract
We designed a novel layer-built rechargeable lithium ribbon-type battery intended for textile or cloth based applications. The ribbon-type battery, 2.4 mm (or 1 mm) wide and 10 cm long, is composed of a double layer LiFePO4 cathode and an amorphous silicon nanofilm. The double layer LiFePO4 and amorphous silicon electrodes were prepared using the doctor blade method and a vertical deposition technique, respectively. The structure and morphology of the LiFePO4 and the silicon thin film were characterized by Rietveld refinement, SEM and TEM. At room temperature the ribbon-type battery exhibited an initial discharge capacity of 166.4 and 132.7 mA h g (1) at 0.5 and 1 C-rate, respectively. A reasonably good cycling performance and high coulombic efficiency under the high current density of 1 C-rate could be obtained with the Si/LiFePO4 ribbon-type battery. Also, a high volumetric capacity of 336 mA h cm (3) at 0.5 C-rate was achieved, which makes the ribbon-type battery suitable for practical use.
URI
https://scholarworks.unist.ac.kr/handle/201301/4969
URL
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84892524239
DOI
10.1039/c3ta14197g
ISSN
2050-7488
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ECHE_Journal Papers
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