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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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Metal-free hybrid seawater fuel cell with an ether-based electrolyte

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Title
Metal-free hybrid seawater fuel cell with an ether-based electrolyte
Author
Kim, HyojinPark, Jeong-SunSahgong, Sun HyePark, SangminKim, Jae-KwangKim, Youngsik
Issue Date
2014-12
Publisher
ROYAL SOC CHEMISTRYROYAL SOC CHEMISTRY
Citation
JOURNAL OF MATERIALS CHEMISTRY A, v.2, no.46, pp.19584 - 19588
Abstract
In this work, the design of a new metal-free hybrid seawater fuel cell consisting of a flowing seawater cathode and a hard carbon anode was proposed. The electrochemical performance of the cell was investigated with two different electrolytes, i.e., 1 M NaClO4 in ethylene carbonate (EC)/propylene carbonate (PC), and 1 M NaCF3SO3 in tetraethylene glycol dimethyl ether (TEGDME). The TEGDME-based electrolyte showed a good cycle performance for 100 cycles, whereas EC/PC showed poor cycle stability after 30 cycles. Our results showed that a low conducting solid-electrolyte interphase (SEI) was formed with a thick layer, and the PVdF binder was degraded during the redox reaction when the EC/PC-based electrolyte was used. In contrast, the TEGDME-based electrolyte induced the formation of a more efficient SEI layer without degradation of the binder.
URI
https://scholarworks.unist.ac.kr/handle/201301/8982
URL
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84908611618
DOI
10.1039/c4ta04937c
ISSN
2050-7488
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