Metal-free hybrid seawater fuel cell with an ether-based electrolyte 机翻标题: 暂无翻译,请尝试点击翻译按钮。

来源
Journal of Materials Chemistry, A. Materials for energy and sustainability
年/卷/期
2014 / 2 / 46
页码
19584-19588
ISSN号
2050-7488
作者单位
UNIST, Sch Energy & Chem Engn, Ulsan 689798, South Korea;UNIST, Sch Energy & Chem Engn, Ulsan 689798, South Korea;UNIST, Sch Energy & Chem Engn, Ulsan 689798, South Korea;UNIST, Sch Energy & Chem Engn, Ulsan 689798, South Korea;UNIST, Sch Energy & Chem Engn, Ulsan 689798, South Korea;UNIST, Sch Energy & Chem Engn, Ulsan 689798, South Korea;
作者
Kim, Jae-Kwang;Kim, Youngsik;Kim, Hyojin;Park, Jeong-Sun;Sahgong, Sun Hye;Park, Sangmin;
摘要
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 1M 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.
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