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

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titleGS宇宙用リチウムイオン電池の現状と今後の展開
Other TitleCurrent state and development in the future for JSB Li-ion cells for space applications
Author(jpn)今村 文隆; 岩本 達也; 井上 剛文; 吉田 浩明; 駒田 周美
Author(eng)Imamura, Nobutaka; Iwamoto, Tatsuya; Inoue, Takefumi; Yoshida, Hiroaki; Komada, Kanemi
Author Affiliation(jpn)日本電池; 日本電池; 日本電池; 日本電池; 日本電池
Author Affiliation(eng)Japan Storage Battery Co. Ltd.; Japan Storage Battery Co. Ltd.; Japan Storage Battery Co. Ltd.; Japan Storage Battery Co. Ltd.; Japan Storage Battery Co. Ltd.
Issue Date2004-06
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23回宇宙エネルギーシンポジウム 平成15年度
The 23rd ISAS Space Energy Symposium March 9, 2004
Start page11
End page15
Publication date2004-06
Languagejpn
AbstractHigh energy density Li-ion battery is expected for next generation satellites and the other space usage. Japan Storage Battery Co., Ltd. (JSB) has developed two types of large capacity Li-ion cells through cooperation with Mitsubishi Electric Corporation (MELCO). One is satellite type (50, 100 and 175 Ah) for long life applications and the other is rocket type (55, 110 and 190 Ah) for high energy applications. The energy density of the cells are 136 Wh/kg to 164 Wh/kg. They correspond to the 1.5 to 2.0 times of Ni-H2 cell. The cells have completely sealed structure achieved with ceramic hermetic seal in order to endure the space environment. JSB has confirmed that the cells performance satisfies space application requirements. Furthermore, JSB has started developing small size Li-ion cell (10 Ah) for small satellites. SERVIS-1 that equipped with Li-ion battery system (cells: by JSB, battery: by MELCO) was launched in October 2003. The Li-ion battery consists of eleven Li-ion cells (50 Ah) in series. SERVIS-1 has been operated smoothly on orbit. The results more than two years in total will be obtained on orbit in SERVIS-1. It is scheduled that the Li-ion cells of 50 to 175 Ah by JSB are installed in some satellites that will be launched by 2007.
Keywordslithium ion battery; energy density; satellite-borne instrument; SERVIS-1; electric discharge; long duration space flight; long term effect; performance test; リチウムイオン電池; エネルギー密度; 衛星搭載機器; SERVIS-1; 放電; 長期宇宙飛行; 長期効果; 性能試験
Document TypeConference Paper
JAXA Categoryシンポジウム・研究会
SHI-NOAA0047275003
URIhttps://repository.exst.jaxa.jp/dspace/handle/a-is/43492


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