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Paper Abstract and Keywords
Presentation 2007-01-26 10:40
Development of the balance circuit for the spacecraft
Go Segami, Hiroaki Kusawake, Yasuhiro Shimizu, Hitoshi Naito, Chisa Yamada, Koichi Kibe (JAXA), Hiroshi Sakamoto (Sojo Univ.) EE2006-48
Abstract (in Japanese) (See Japanese page) 
(in English) To increase the ratio of the mission equipment at the spacecraft, small-size and lightweight electric power system is expected. Li-Ion cells have high-energy density (twice that of conventional alkaline batteries such as Ni-Cd, Ni-MH and Ni-H2). Therefore the electric power system with the Li-Ion battery will become smaller and lighter. But the Li-Ion cells are poor at the over-charge and over-discharge. So we must consider about the safety when we use them and we need the development of the protection circuit in the parallel to the development of the Li-ion battery.
In this paper we discuss the effectiveness of the balance circuit, which is one of the protection circuits, with the battery lifetime tests and report the principle and the results of the resonance balance circuit which we have developed.
Keyword (in Japanese) (See Japanese page) 
(in English) Li-Ion / balance circuit / lifetime / spacecraft / protection circuit / equalization / /  
Reference Info. IEICE Tech. Rep., vol. 106, no. 494, EE2006-48, pp. 65-70, Jan. 2007.
Paper # EE2006-48 
Date of Issue 2007-01-18 (EE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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reproduction
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee EE  
Conference Date 2007-01-25 - 2007-01-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagasaki prefectural art museum 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EE 
Conference Code 2007-01-EE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Development of the balance circuit for the spacecraft 
Sub Title (in English)  
Keyword(1) Li-Ion  
Keyword(2) balance circuit  
Keyword(3) lifetime  
Keyword(4) spacecraft  
Keyword(5) protection circuit  
Keyword(6) equalization  
Keyword(7)  
Keyword(8)  
1st Author's Name Go Segami  
1st Author's Affiliation Japan Aerospace Exploration Agency (JAXA)
2nd Author's Name Hiroaki Kusawake  
2nd Author's Affiliation Japan Aerospace Exploration Agency (JAXA)
3rd Author's Name Yasuhiro Shimizu  
3rd Author's Affiliation Japan Aerospace Exploration Agency (JAXA)
4th Author's Name Hitoshi Naito  
4th Author's Affiliation Japan Aerospace Exploration Agency (JAXA)
5th Author's Name Chisa Yamada  
5th Author's Affiliation Japan Aerospace Exploration Agency (JAXA)
6th Author's Name Koichi Kibe  
6th Author's Affiliation Japan Aerospace Exploration Agency (JAXA)
7th Author's Name Hiroshi Sakamoto  
7th Author's Affiliation Sojo University (Sojo Univ.)
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Speaker Author-1 
Date Time 2007-01-26 10:40:00 
Presentation Time 25 minutes 
Registration for EE 
Paper # EE2006-48 
Volume (vol) vol.106 
Number (no) no.494 
Page pp.65-70 
#Pages
Date of Issue 2007-01-18 (EE) 


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