A liquid thermoelectric device composed of organic solution
A liquid thermoelectric device composed of organic solution
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DOI：
10.35848/1882-0786/ac6481
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发表时间：
2022-05-01
影响因子：
2.3
通讯作者：
Moritomo, Yutaka
中科院分区：
文献类型：
--
作者：
Wake, Akihiro;Inoue, Dai;Moritomo, Yutaka
液体热电器件（LTE）具有非常简单的结构，由相同类型的热/冷电极和具有氧化还原偶对的溶液组成。在这里，我们评估了由Fe(ClO4)(2)/Fe(ClO4)(3)的丙酮（或乙腈）溶液组成的LTE对其浓度(m)的性能。有机LTE的电化学塞贝克系数（α）在1.5 ~ 2.5 mV K-1之间，高于相应的水相LTE的α (=1.4 mV K-1)。有机LTE的无因次优值（ZT）最大接近0.015，高于相应的水相LTE的最大ZT（=0.009）。因此，有机LTE作为能量收集装置是有希望的。
The liquid thermoelectric device (LTE) exhibits a very simple structure that consists of hot/cold electrodes of identical type and a solution with a redox couple. Here, we evaluated the performances of LTE composed of acetone (or acetonitrile) solutions of Fe(ClO4)(2)/Fe(ClO4)(3) against their concentration (m). The electrochemical Seebeck coefficients (alpha) of organic LTE range from 1.5 to 2.5 mV K-1 and are higher than alpha (=1.4 mV K-1) of the corresponding aqueous LTE. The dimensionless figure of merit (ZT) of organic LTE is approximate to 0.015 at maximum and is higher than the maximum ZT (=0.009) of the corresponding aqueous LTE. Thus, the organic LTE is promising as an energy harvesting device.