Okawa Kenjiro

オオカワケンジロウ | Okawa Kenjiro

Affiliation and department：
Homepage URL (2)： https://staff.aist.go.jp/okawa.k/ , https://staff.aist.go.jp/okawa.k/english.html

Research field (3)： Measurement engineering , Inorganic materials , Magnetism, superconductivity, and strongly correlated systems

Research keywords (4)：電気標準 , Thermoelectric , Topological materials , Superconductivity

Research theme for competitive and other funds (7)：

2023 - 2025 ラシュバ物質を用いた非相反熱電応答の検出
2022 - 2023 空間反転対称性の破れたバルク単結晶における非相反熱電輸送現象
2020 - 2023 革新的高性能熱電発電デバイスと高度評価技術の国際共同研究開発
2021 - 2022 熱インダクタンス現象の赤外線発熱解析
2017 - 2019 Precious Measurement of Thermoelectric Performances of single crystals using AC Harman Method

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Papers (29)：

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. 313. 118605-118605
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. 232. 114626
Yasutaka Amagai, Kenjiro Okawa, Norihiko Sakamoto, Nobu-Hisa Kaneko. Precision ratiometric technique for measuring the Peltier coefficient. Measurement. 2024. 225. 114002
Yasutaka Amagai, Kenjiro Okawa, Norihiko Sakamoto, Nobu-hisa Kaneko. Signal-to-Noise Ratio Optimization for Planar Multijunction Thermal Converters. IEEE Trans. Instrum. Meas. 2023. 72. 1-7
Yasutaka Amagai, Takeshi Shimazaki, Kenjiro Okawa, Tatsuya Kawae, Hiroyuki Fujiki, Nobu Hisa Kaneko. A straightforward DC-reversal method for the Thomson coefficient measurement. Measurement. 2022. 205

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MISC (17)：

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. 熱インダクタンスを模擬した固体中の熱の逆流現象-特集第30回日本NCSLI技術フォーラム. 計測標準と計量管理. 2023. 73. 1. 39-45
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, 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
大川顕次郎, 天谷康孝, 藤木弘之, 金子晋久. Reverse heat flow with Peltier-induced thermoinductive effect. 日本物理学会講演概要集(CD-ROM). 2022. 77. 1

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Patents (6)：

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Lectures and oral presentations (46)：

AC Harman法を用いた4端子セットアップにおけるzT評価
(第21回日本熱電学会学術講演会 2024)
熱電モジュール評価手法の比較および熱放射解析
(第21回日本熱電学会学術講演会 2024)
ガードリングを備えた熱電モジュール変換効率評価装置の測定精度検証
(第21回日本熱電学会学術講演会 2024)
zT determination of a thermoelectric material using a four-probe resistance measurement considering the several heat losses
(2024)
加速寿命試験を用いたサーマルコンバータの寿命推定
(第71回応用物理学会春季学術講演会 2024)

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Professional career (1)：

Work history (4)：

2022/10 - 現在 National Institute of Advanced Industrial Science and Technology Research Institute for Physical Measurement Senior Research Scientist
2020/11 - 現在 National Institute of Advanced Industrial Science and Technology Global Zero Emission Research Center (GZR) Thermoelectrics and Thermal Management Team
2017/04 - 2022/09 National Institute of Advanced Industrial Science and Technology Research Institute for Physical Measurement Research Scientist
2015/04 - 2017/03 Japan Society for the Promotion of Science (JSPS) Research Fellowship for Young Scientists DC2

Committee career (1)：

Awards (1)：

Association Membership(s) (3)：

Thermoelectrics Society of Japan , THE JAPAN SOCIETY OF APPLIED PHYSICS , THE PHYSICAL SOCIETY OF JAPAN

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