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IEC 62485-6
Edition 1.0 2021-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Safety requirements for secondary batteries and battery installations –
Part 6: Safe operation of lithium ion batteries in traction applications
Exigences de sécurité pour les batteries d’accumulateurs et les installations
de batteries –
Partie 6: Fonctionnement en toute sécurité des batteries ions-lithium dans
les applications de traction
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IEC 62485-6
Edition 1.0 2021-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Safety requirements for secondary batteries and battery installations –
Part 6: Safe operation of lithium ion batteries in traction applications
Exigences de sécurité pour les batteries d’accumulateurs et les installations
de batteries –
Partie 6: Fonctionnement en toute sécurité des batteries ions-lithium dans
les applications de traction
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.220.20; 29.220.30 ISBN 978-2-8322-9126-9
– 2 – IEC 62485-6:2021 © IEC 2021
CONTENTS
FOREWORD . 4
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 8
4 Protection against electric shock by the battery and charger . 10
4.1 General . 10
4.2 Basic protection and fault protection . 10
4.3 Basic protection and fault protection when discharging the traction battery
on the vehicle (battery disconnected from charger/mains) . 11
4.3.1 Batteries up to and including 60 V DC . 11
4.3.2 For batteries exceeding 60 V DC up to and including 120 V DC . 11
4.3.3 Batteries exceeding 120 V DC but not exceeding 1 500 V DC . 11
4.4 Basic protection and fault protection when charging the traction battery . 11
5 Prevention of short-circuits and protection from other effects of electric current . 12
5.1 Cables and connectors . 12
5.2 Protective measures during maintenance . 12
5.3 Battery insulation . 13
5.3.1 Insulation resistance . 13
5.3.2 Insulation resistance measurement . 13
6 Provisions against hazards . 13
6.1 General . 13
6.2 Charging modes . 13
6.3 Temperature influence on the charge voltage and limiting of charge current . 14
6.4 Overcharging or overdischarging under fault conditions . 14
6.5 Prevention of electrostatic discharges when working with batteries . 14
7 Provision against hazards by chemical substances . 14
7.1 General . 14
7.2 Initial actions in case of hazardous chemical release . 14
7.3 Eye or skin contact . 14
7.4 Swallowing . 14
7.5 Respiratory tract . 15
7.6 Burns . 15
8 Battery containers and enclosures . 15
9 Battery change . 15
10 Battery peripheral equipment/accessories . 15
10.1 Battery management system . 15
10.2 Thermal management systems and series installation . 16
10.3 Connectors (plugs/sockets) . 16
11 Charge current requirements . 16
11.1 Peak voltage/current by charging . 16
11.2 Superimposed ripple current . 17
11.3 Maximum ripple current . 17
12 Identification labels, warning notices and instructions for use, installation and
maintenance . 17
12.1 General . 17
12.2 Warning labels . 17
12.3 Identification label . 18
12.4 Instructions . 18
12.5 Other labels . 18
13 Transportation, storage, disposal and environmental aspects . 18
13.1 Packing and transport . 18
13.2 Disassembly, disposal, and recycling of batteries. 19
13.3 Storage . 19
14 Inspection and monitoring . 19
15 EMC for traction application . 19
Annex A (informative) Cell behaviour inside and outside of operating region . 20
Annex B (normative) Electromagnetic compatibility (EMC) . 21
B.1 Case 1 – EMC requirements of battery systems depending of each end-
device application . 21
B.2 Case 2 – EMC requirements for testing battery system as an end-device . 21
Bibliography . 22
Figure A.1 – An example for operating region of lithium ion cell . 20
– 4 – IEC 62485-6:2021 © IEC 2021
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
SAFETY REQUIREMENTS FOR SECONDARY
BATTERIES AND BATTERY INSTALLATIONS –
Part 6: Safe operation of lithium ion batteries in traction applications
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their
preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
may participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for
Standardization (ISO
...