Methanol-based thermoelectric conversion device with high power

被引：0
|
作者：
Aiba, Touya [1 ]
Yamada, Haruka [2 ]
Moritomo, Yutaka [1 ,2 ,3 ,4 ]
机构：
[1] Univ Tsukuba, Grad Sch Pure & Appl Sci, Tennodai 1-1-1, Tsukuba, Ibaraki 3058571, Japan
[2] Univ Tsukuba, Sch Sci & Engn, Tennodai 1-1-1, Tsukuba, Ibaraki 3058571, Japan
[3] Univ Tsukuba, Fac Pure & Appl Sci, Tennodai 1-1-1, Tsukuba, Ibaraki 3058571, Japan
[4] Univ Tsukuba, Tsukuba Res Ctr Energy Mat Sci TREMS, Tsukuba, Ibaraki 3058571, Japan
来源：
INDUSTRIAL CHEMISTRY & MATERIALS | 2025年 / 3卷 / 02期
关键词：
IONIC-CONDUCTIVITY; REDOX COUPLE; CELLS;
D O I：
10.1039/d4im00113c
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A liquid thermoelectric conversion device (LTE) converts environmental heat into electric power via the electrochemical Seebeck coefficient alpha. The maximum power (Wmax) is expressed as , where Delta T and R ' are the temperature difference between electrodes and device resistance in operation, respectively. Here, we systematically investigated the resistance components of LTEs composed of aqueous, methanol (MeOH) and acetone solutions containing 0.8 M Fe(ClO4)2/Fe(ClO4)3. We found that the charge transfer resistance Rct of the MeOH LTE is the smallest among the three LTEs. We demonstrated that the Wmax of the MeOH LTE is slightly larger than or comparable with that of the corresponding aqueous LTE. We further discussed the effects of the convection of an electrolyte on R '.Keywords: Liquid thermoelectric conversion; Methanol; Resistivity components; Coated electrode.
引用
收藏
页码：223 / 230
页数：8
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