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  1. 防災科研関係論文

Practical application of a sea-water battery in deep-sea basin and its performance

https://nied-repo.bosai.go.jp/records/4292
https://nied-repo.bosai.go.jp/records/4292
2accf01f-aa23-4fcc-9d07-da2aad5b83ea
Item type researchmap(1)
公開日 2023-03-30
タイトル
言語 en
タイトル Practical application of a sea-water battery in deep-sea basin and its performance
言語
言語 eng
著者 Masanao Shinohara

× Masanao Shinohara

en Masanao Shinohara

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Eiichiro Araki

× Eiichiro Araki

en Eiichiro Araki

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Masashi Mochizuki

× Masashi Mochizuki

en Masashi Mochizuki

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Toshihiko Kanazawa

× Toshihiko Kanazawa

en Toshihiko Kanazawa

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Kiyoshi Suyehiro

× Kiyoshi Suyehiro

en Kiyoshi Suyehiro

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抄録
内容記述タイプ Other
内容記述 Stable power Supply is essential for various long-term sea floor geophysical observations. Due to a simple structure and a large energy capacity, sea-water batteries have been developed and used for such observations. However, the characteristics of sea-water batteries have not been well known in the case of installations at depths more than 5000 m in deep-sea basin. In 2000, a sea floor borehole broadband seismic observatory was installed in the northwestern Pacific basin where the water depth is 5577 m. For electric power supply, a Sea-Water Battery (SWB) system with monitoring and control was developed and used. The SWB system consists of four sea-water battery cells, a DC/DC converter, the Power Control System, the Data Logger, an(] an accumulator. The conditions of the SWB system were recorded more than I year, and the monitoring data was recovered. The SWB system generated enough power for the observation system consuming power of 6W in average and continued to supply power for at least 5 years. From the monitoring data, the SWB can supply up to the long-term average of at least 13 W The energy density is estimated to be 318 Wh kg(-1). The sea-water battery is useful for application of long-term power consumption even in the deep-sea basin. (C) 2008 Elsevier B.V. All rights reserved.
言語 en
書誌情報 en : JOURNAL OF POWER SOURCES

巻 187, 号 1, p. 253-260
出版者
言語 en
出版者 ELSEVIER
ISSN
収録物識別子タイプ EISSN
収録物識別子 1873-2755
DOI
関連識別子 10.1016/j.jpowsour.2008.10.105
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