Space systems — Space batteries — Guidelines for in-flight health assessment of lithium-ion batteries

This document provides detailed information on the various methods of assessing the health status of lithium-ion space batteries in flight and makes recommendations to battery suppliers, spacecraft manufacturers and operators to ease this assessment.

Systèmes spatiaux - Batteries spatiales - lignes directrices pour l'évaluation en vol de la santé des batteries lithium-ion

General Information

Status
Published
Publication Date
21-Oct-2020
Current Stage
9020 - International Standard under periodical review
Start Date
15-Apr-2024
Completion Date
15-Apr-2024
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ISO/TR 20891:2020 - Space systems -- Space batteries -- Guidelines for in-flight health assessment of lithium-ion batteries
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TECHNICAL ISO/TR
REPORT 20891
First edition
2020-10
Space systems — Space batteries
— Guidelines for in-flight health
assessment of lithium-ion batteries
Systèmes spatiaux - Batteries spatiales - lignes directrices pour
l'évaluation en vol de la santé des batteries lithium-ion
Reference number
ISO/TR 20891:2020(E)
©
ISO 2020

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ISO/TR 20891:2020(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2020
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
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Published in Switzerland
ii © ISO 2020 – All rights reserved

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ISO/TR 20891:2020(E)

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms, definitions and abbreviated terms . 1
3.1 Term and definitions . 1
3.2 Abbreviated terms . 1
4 Overview . 2
4.1 General . 2
4.2 Battery capacity . 4
4.3 Battery impedance . . 4
4.3.1 General. 4
4.3.2 Electrochemical impedance spectroscopy (EIS) . 5
4.4 Battery internal resistance . 8
5 Specificities of spacecraft telemetry and resulting limitations .11
5.1 General .11
5.2 Signal digitization .11
5.3 Temperature .12
5.4 Voltage .
...

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