Volume effect of organic solvent on electrochemical Seebeck coefficient of [Fe(CN)6]4-/[Fe(CN)6]3- in water

被引：19

作者：

Inoue, Dai ^{[1
]}

Fukuzumi, Yuya ^{[1
]}

Moritomo, Yutaka ^{[1
,2
,3
]}

机构：

[1] Univ Tsukuba, Grad Sch Pure & Appl Sci, Tennodai 1-1-1, Tsukuba, Ibaraki 3057571, Japan

[2] Univ Tsukuba, Fac Pure & Appl Sci, Tennodai 1-1-1, Tsukuba, Ibaraki 3057571, Japan

[3] Univ Tsukuba, Tsukuba Res Ctr Energy Mat Sci TREMS, Tsukuba, Ibaraki 3058571, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2020年 / 59卷 / 03期

关键词：

CARBON-NANOTUBE; THERMOELECTRIC-POWER; IONIC-CONDUCTIVITY; REDOX COUPLE; PERFORMANCE; CONVERSION; GENERATION; EFFICIENCY; CELLS; CYCLE;

D O I：

10.35848/1347-4065/ab731d

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A thermocell with use of the electrochemical Seebeck coefficient (alpha dEdT;E and T are the redox potential and temperature, respectively). is a promising energy-harvesting device. alpha is the key parameter that governs the thermal efficiency (eta) of the thermocell. Here, we systematically investigated the variation (Delta alpha) in alpha of a redox couple of [Fe(CN)(6)](4-)/[Fe(CN)(6)](3-) in water, by adding 9% organic solvent in molar ratio. We found that Delta alpha for 11 organic solvents well scale to the molar volume (V). The empirical volume effect is understood in terms of the replacement of water molecules with organic molecules depending on V. (c) 2020 The Japan Society of Applied Physics

引用

页数：5

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