2017 - 2019 Precious Measurement of Thermoelectric Performances of single crystals using AC Harman Method
2016 - 2019 未利用熱発電のための高耐久型熱電発電モジュールの開発
2015 - 2017 Development of Novel Measurement Method for Absolute Seebeck Coefficient
2013 - 2015 Development of novel technique for absolute Seebeck coefficient measurement using high-precision AC voltage source
2013 - 2015 熱電変換モジュールの性能評価技術の開発
2010 - 2012 薄膜型サーマルコンバータの開発
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Papers (66):
Yasutaka Amagai, Aya Ichinose, Reo Ikawa, Moeno Sakamoto, Takumi Ogiya, Momoe Konishi, Kenjiro Okawa, Norihiko Sakamoto, Nobu-Hisa Kaneko. Harvesting thermal energy from spring water using a flexible thermoelectric generator. Energy Conversion and Management. 2024
Kenjiro Okawa, Yasutaka Amagai, Norihiko Sakamoto, Nobu-Hisa Kaneko. Accurate determination of thermoelectric figure of merit using ac Harman method with a four-probe configuration. Measurement. 2024
Yasutaka Amagai, Kenjiro Okawa, Norihiko Sakamoto, Nobu-Hisa Kaneko. Precision ratiometric technique for measuring the Peltier coefficient. Measurement. 2024
Yasutaka Amagai, Takeshi Shimazaki, Kenjiro Okawa, Tatsuya Kawae, Hiroyuki Fujiki, Nobu Hisa Kaneko. A straightforward DC-reversal method for the Thomson coefficient measurement. Measurement: Journal of the International Measurement Confederation. 2022. 205
太田 道広, 今里 和樹, 大川 顕次郎, 天谷 康孝. 熱電発電の社会実装に向けた材料・モジュール・評価技術の開発-Advances in Materials, Modules, and Characterization to Promote the Widespread Use of Thermoelectric Power Generation-特集 進展する熱電変換技術. エネルギー・資源 = Energy and resources. 2024. 45. 3. 153-159
大川顕次郎, 天谷康孝, 坂本憲彦, 金子晋久. zT determination of a thermoelectric material using a four-probe resistance measurement considering the several heat losses. 日本物理学会講演概要集(CD-ROM). 2024. 79. 1
天谷康孝, 島崎毅, 大川顕次郎, 坂本憲彦, 金子晋久. Energy-balance based method for measuring the Peltier coefficient without the prior information of sample’s thermophysical property and dimension. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2023. 70th
天谷康孝, 大川顕次郎, 舟橋良次, 太田道広, 山本淳. Impact of the radiative heat loss on the evaluation of thermoelectric modules. 応用物理学会秋季学術講演会講演予稿集(CD-ROM). 2023. 84th
天谷康孝, 島崎毅, 大川顕次郎, 河江達也, 藤木弘之, 金子晋久. Measurement of the absolute Seebeck coefficient and thermal conductivity using the Thomson effect. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2022. 69th