JAXA Repository / AIREX 未来へ続く、宙(そら)への英知

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title宇宙用リチウムイオン電池の冷凍保管についての検討
Other TitleInvestigation of low temperature storage of Li ion cells for space applications
Author(jpn)久保田 昌明; 山本 真裕; 江黒 高志; 曽根 理嗣; 廣瀬 和之; 田島 道夫
Author(eng)Kubota, Masaaki; Yamamoto, Masahiro; Eguro, Takashi; Sone, Yoshitsugu; Hirose, Kazuyuki; Tajima, Michio
Author Affiliation(jpn)古河電池; 古河電池; 古河電池; 宇宙航空研究開発機構 宇宙科学研究本部; 宇宙航空研究開発機構 宇宙科学研究本部; 宇宙航空研究開発機構 宇宙科学研究本部
Author Affiliation(eng)Furukawa Battery Co. Ltd.; Furukawa Battery Co. Ltd.; Furukawa Battery Co. Ltd.; Japan Aerospace Exploration Agency Institute of Space and Astronautical Science; Japan Aerospace Exploration Agency Institute of Space and Astronautical Science; Japan Aerospace Exploration Agency Institute of Space and Astronautical Science
Issue Date2005-06
PublisherInstitute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA/ISAS)
宇宙航空研究開発機構宇宙科学研究本部
Publication title第24回宇宙エネルギーシンポジウム 平成16年度
The Twenty-fourth Space Energy Symposium March 7, 2005
Start page6
End page10
Publication date2005-06
Languagejpn
AbstractLi ion cells for space applications possess a high specific energy and a high discharge voltage, and have recently begun to be adopted as space batteries in terms of their lightweight and reliability requirements. A variety of researches have been advanced for various applications. Until now, we have been researching the storage and the management methods of the Li ion cells as the batteries of spacecraft for planetary explorations. Because deterioration of Li ion cells occurs even under their unoperated condition, the research of the storage method is very important for their application to the power supply for the satellites. In general, degradations of charge/discharge characteristics of the Li ion cells are caused when they are stored under open circuit conditions during a long duration. The degradations become severe as their temperature and state of charge (SOC) increase. Then, we investigated charge/discharge characteristics and charge/discharge cycle characteristics of Li ion cells after they had been kept under various temperatures and SOC's for 12 months. As a result, it was confirmed that the deterioration effect of the battery characteristics during the low-temperature storage was extremely small.
Keywordslow temperature environment; storage stability; lithium ion cell; open circuit voltage; charge/discharge cycle test; current density; aerospace environment; freezing; electrolyte; 低温環境; 保存安定性; リチウムイオン電池; 開回路電圧; 充放電サイクル試験; 電流密度; 航空宇宙環境; 凍結; 電解質
Document TypeConference Paper
JAXA Categoryシンポジウム・研究会
SHI-NOAA0049120002
URIhttps://repository.exst.jaxa.jp/dspace/handle/a-is/35436


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