[9p-W351-1~12] 9.4 Thermoelectric conversion

[9p-W351-4] Na_xNi[Fe(CN)₆]_y /Na_xCo[Fe(CN)₆]_y tertiary battery

〇Takayuki Shibata¹, Izumi Takahara¹, Yuya Fukuzumi², Yutaka Moritomo^2,3 (1.NIT, Gunma College, 2.Univ. of Tsukuba, 3.TREMS, Univ. of Tsukuba)

Keywords:Thermal power generation, Prussian blue analogues, tertiary battery

We are proposing a "tertiary batteries" that are self-charged due to temperature change of the outside. These batteries consist of two kinds of secondary-ion batteries materials with the difference in the temperature coefficient of redox potential α(= dV/dT). In this study, we investigated the cell properties in Na_xNi[Fe(CN)₆]_0.685.1H₂O/Na_xCo[Fe(CN)₆]_0.902.9H₂O tertiary battery. In the presentation, we discuss the correlation between the cell voltage and α of each electrode.