High seebeck coefficient in middle-temperature thermocell with deep eutectic solvent

被引：16
|
作者：
Antariksa, Naura Fakhira [1 ]
Yamada, Teppei [1 ,2 ,3 ]
Kimizuka, Nobuo [1 ,2 ]
机构：
[1] Kyushu Univ, Grad Sch Engn, Div Appl Chem, Nishi Ku, Motooka 744, Fukuoka 8190395, Japan
[2] Kyushu Univ, Ctr Mol Syst, Fukuoka, Japan
[3] Univ Tokyo, Grad Sch Sci, Dept Chem, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1130033, Japan
来源：
SCIENTIFIC REPORTS | 2021年 / 11卷 / 01期
关键词：
IONIC LIQUID ELECTROLYTES; REDOX COUPLES; HEAT; DYNAMICS; CELLS; ACETONITRILE; DEPENDENCE;
D O I：
10.1038/s41598-021-91419-5
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Deep eutectic solvent (DES) was applied to the solvent of thermocell and high Seebeck coefficient (S-e) of the thermocell was achieved at high-temperatures operation. The S-e of a redox couple of ferricyanide and ferrocyanide ([Fe(CN)(6)](3-/4-)) reaches -1.67 mV/K in a DES consisting of ethylene glycol and choline chloride. Spectroscopic analysis reveals that this is due to the strong interactions between the redox couple and the DES. Furthermore, the cell can operate over a wide temperature range of 135-165 degrees C. This result is a desired feature for waste-heat recovery applications.
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页数：7
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