The Performance of the Lithium-Ion Secondary Cells under Micro-Gravity Conditions—In-Orbit Operation of the Interplanetary Spacecraft 'HAYABUSA'
スポンサーリンク
概要
- 論文の詳細を見る
'HAYABUSA' is a Japanese interplanetary spacecraft for the exploration of an asteroid named 'ITOKAWA.' The spacecraft is powered by a 13.2 Ah lithium-ion secondary battery. To realize maximum performance of the battery for long flight operation, the state-of-charge (SOC) of the battery was maintained at ca. 65% during storage in case it is required for contingency operations. To maintain this SOC condition, the battery is charged once a week. We further charge the battery up to 4.1 V/cell using bypass circuits to balance the cells every four months. The capacity of the battery was measured during the flight operation, which revealed the appropriate capacity for the expected mission.
- 公益社団法人 電気化学会の論文
著者
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SAKAI Shigeru
Furukawa Battery Co. Ltd.
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Tajima Michio
Institute Of Space And Astronautical Scienc
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Hirose Kazuyuki
Institute Of Space And Astronautical Science
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SONE Yoshitsugu
Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency
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UNO Masatoshi
Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency
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TAJIMA Michio
Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency
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OOTO Hiroki
Furukawa Battery Co., Ltd.
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KUBOTA Masaaki
Furukawa Battery Co., Ltd.
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YAMAMOTO Masahiro
Furukawa Battery Co., Ltd.
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YOSHIDA Hiroyuki
Furukawa Battery Co., Ltd.
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EGURO Takashi
Furukawa Battery Co., Ltd.
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YOSHIDA Teiji
NEC Toshiba Space Systems, Ltd.
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KAWAGUCHI Jun'ichiro
Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency
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