Secondary lithium-ion cells for the propulsion of electric road vehicles - Part 3: Safety requirements

IEC 62660-3:2016 specifies test procedures and the acceptance criteria for safety performance of secondary lithium-ion cells and cell blocks used for the propulsion of electric vehicles (EV) including battery electric vehicles (BEV) and hybrid electric vehicles (HEV). This International Standard intends to determine the basic safety performance of cells used in a battery pack and system under intended use, and reasonably foreseeable misuse or incident, during the normal operation of the EV. The safety requirements of the cell in this standard are based on the premise that the cells are properly used in a battery pack and system within the limits for voltage, current and temperature as specified by the cell manufacturer (cell operating region). The evaluation of the safety of cells during transport and storage is not covered by this standard.

Lithium-Ionen-Sekundärzellen für den Antrieb von Elektrostraßenfahrzeugen - Teil 3: Sicherheitsanforderungen

Éléments d’accumulateurs lithium-ion pour la propulsion des véhicules routiers électriques - Partie 3: Exigences de sécurité

L'IEC 62660-3:2016 spécifie les procédures d'essai et les critères d'acceptation en matière de performance de sécurité des éléments d'accumulateurs lithium-ion et des blocs d'éléments utilisés pour la propulsion des véhicules électriques (EV), y compris les véhicules électriques à batterie (BEV) et les véhicules électriques hybrides (HEV). La présente Norme internationale a pour objet de déterminer les performances de sécurité de base des éléments utilisés dans un bloc et système de batteries dans les conditions d'utilisation prévue et les utilisations abusives ou incidents raisonnablement prévisibles, pendant le fonctionnement normal de l'EV. Dans la présente norme, les exigences de sécurité de l'élément s'appuient sur l'hypothèse selon laquelle les éléments sont correctement utilisés dans un bloc et système de batteries dans les limites de tension, de courant et de température spécifiées par le fabricant de l'élément (plage de fonctionnement de l'élément). L'évaluation de la sécurité des éléments pendant le transport et le stockage n'est pas couverte par la présente norme.

Sekundarni litij-ionski členi za pogon električnih cestnih vozil - 3. del: Varnostne zahteve

Ta del standarda IEC 62660 določa preskusne postopke in merila sprejemljivosti za varnostne lastnosti sekundarnih litij-ionskih členov in blokov členov, ki se uporabljajo za pogon električnih vozil (EV), vključno z električnimi akumulatorskimi vozili (BEV) ali hibridnimi električnimi vozili (HEV).
OPOMBA 1: Kot alternativa členom se lahko v skladu z dogovorom med proizvajalcem in kupcem uporabijo bloki členov.
OPOMBA 2: V povezavi s členom za hibridna cestna vozila z možnostjo polnjenja prek navadne vtičnice (PHEV) lahko proizvajalec izbere preskuse pogoje za uporabo električnih akumulatorskih vozil ali hibridnih električnih vozil.
Ta mednarodni standard je namenjen za določanje osnovnih varnostnih lastnosti členov v akumulatorju in sistemu v skladu s predvideno uporabo ter pričakovano nepravilno uporabo ali incident pri običajnem delovanju električnih vozil. Varnostne zahteve za člen v tem standardu temeljijo na predpostavki, da se členi pravilno uporabljajo v akumulatorju ter sistemu znotraj napetostnih, tokovnih in temperaturnih omejitev, ki jih določi proizvajalec členov (območje delovanja členov).
Ta standard ne vključuje ocene varnosti za člene med prevozom in skladiščenjem.
OPOMBA 3: Varnostne zahteve glede zmogljivosti litij-ionskih akumulatorjev in sistemov so opredeljene v standardu ISO 12405-3. Specifikacije in varnostne zahteve za litij-ionske akumulatorje ter sisteme električno gnanih mopedov in motornih koles so opredeljena v standardu ISO 18243 (v pripravi). IEC 62619 (v pripravi) zajema varnostne zahteve za litij-ionske člene in akumulatorje za industrijsko uporabo, vključno z viličarji, vozički za golf in avtomatsko vodenimi vozili.
OPOMBA 4: Informacije o območju delovanja členov so podane v dodatku A.

General Information

Status
Published
Publication Date
17-Nov-2016
Withdrawal Date
02-Oct-2019
Current Stage
6060 - Document made available - Publishing
Start Date
18-Nov-2016
Completion Date
18-Nov-2016

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SLOVENSKI STANDARD
01-maj-2017
6HNXQGDUQLOLWLMLRQVNLþOHQL]DSRJRQHOHNWULþQLKFHVWQLKYR]LOGHO9DUQRVWQH
]DKWHYH
Secondary lithium-ion cells for the propulsion of electrical road vehicles - Part 3: Safety
requirements
Ta slovenski standard je istoveten z: EN 62660-3:2016
ICS:
29.220.99 'UXJLþOHQLLQEDWHULMH Other cells and batteries
43.120 (OHNWULþQDFHVWQDYR]LOD Electric road vehicles
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 62660-3
NORME EUROPÉENNE
EUROPÄISCHE NORM
November 2016
ICS 29.220.20; 43.120
English Version
Secondary lithium-ion cells for the propulsion of electric road
vehicles - Part 3: Safety requirements
(IEC 62660-3:2016)
Éléments d'accumulateurs lithium-ion pour la propulsion Lithium-Ionen-Sekundärzellen für den Antrieb von
des véhicules routiers électriques - Partie 3: Exigences de Elektrostraßenfahrzeugen -
sécurité Teil 3: Sicherheitsanforderungen
(IEC 62660-3:2016) (IEC 62660-3:2016)
This European Standard was approved by CENELEC on 2016-10-03. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2016 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 62660-3:2016 E
European foreword
The text of document 21/890/FDIS, future edition 1 of IEC 62660-3, prepared by
IEC/TC 21 "Secondary cells and batteries" was submitted to the IEC-CENELEC parallel vote and
approved by CENELEC as EN 62660-3:2016.

The following dates are fixed:
(dop) 2017-07-03
• latest date by which the document has to be
implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2019-10-03
standards conflicting with the
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such
patent rights.
Endorsement notice
The text of the International Standard IEC 62660-3:2016 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards indicated:

IEC 62133 NOTE Harmonized as EN 62133.
IEC 62660-1 NOTE Harmonized as EN 62660-1.
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.

NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here:
www.cenelec.eu
Publication Year Title EN/HD Year

IEC 60050-482 -  International Electrotechnical Vocabulary - -
(IEV) -
Part 482: Primary and secondary cells and
batteries
IEC 61434 -  Secondary cells and batteries containing EN 61434 -
alkaline or other non-acid electrolytes -
Guide to the designation of current in
alkaline secondary cell and battery
standards
Secondary cells and batteries containing
IEC 62619 -  - -
alkaline or other non-acid electrolytes -
Safety requirements for secondary lithium
cells and batteries, for use in industrial
applications
IEC 62660-2 2010 Secondary lithium-ion cells for the EN 62660-2 2011
propulsion of electric road vehicles -
Part 2: Reliability and abuse testing

IEC 62660-3 ®
Edition 1.0 2016-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Secondary lithium-ion cells for the propulsion of electric road vehicles –

Part 3: Safety requirements
Éléments d’accumulateurs lithium-ion pour la propulsion des véhicules routiers

électriques –
Partie 3: Exigences de sécurité

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.220.20; 43.120 ISBN 978-2-8322-3576-8

– 2 – IEC 62660-3:2016 © IEC 2016
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references. 7
3 Terms and definitions . 8
4 Test conditions . 9
4.1 General . 9
4.2 Measuring instruments . 9
4.2.1 Range of measuring devices . 9
4.2.2 Voltage measurement . 10
4.2.3 Current measurement. 10
4.2.4 Temperature measurements . 10
4.2.5 Other measurements . 10
4.3 Tolerance. 10
4.4 Test temperature . 11
5 Electrical measurement . 11
5.1 General charge conditions . 11
5.2 Capacity . 11
5.3 SOC adjustment . 11
6 Safety tests . 12
6.1 General . 12
6.2 Mechanical tests . 12
6.2.1 Vibration . 12
6.2.2 Mechanical shock . 12
6.2.3 Crush . 13
6.3 Thermal test . 14
6.3.1 High temperature endurance . 14
6.3.2 Temperature cycling . 14
6.4 Electrical tests . 14
6.4.1 External short circuit . 14
6.4.2 Overcharge . 15
6.4.3 Forced discharge . 15
6.4.4 Internal short circuit test . 15
Annex A (informative) Operating region of cells for safe use . 18
A.1 General . 18
A.2 Charging conditions for safe use. 18
A.2.1 General . 18
A.2.2 Consideration on charging voltage . 18
A.2.3 Consideration on temperature . 19
A.3 Example of operating region . 19
Annex B (informative) Explanation for the internal short-circuit test . 22
B.1 General concept . 22
B.2 Internal short circuit caused by particle contamination . 22
Bibliography . 24

Figure 1 – Example of temperature measurement of cell . 10

IEC 62660-3:2016 © IEC 2016 – 3 –
Figure 2 – Example of crush test . 13
Figure A.1 – An example of operating region for charging of typical lithium-ion cells . 20
Figure A.2 – An example of operating region for discharging of typical lithium-ion cells . 21

Table B.1 – Examples of the internal short circuit of cell . 23

– 4 – IEC 62660-3:2016 © IEC 2016
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
SECONDARY LITHIUM-ION CELLS FOR THE PROPULSION
OF ELECTRIC ROAD VEHICLES –
Part 3: Safety requirements
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
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international co-operation on all questions concerning standardization in the electrical and electronic fields. To
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between any IEC Publication and th
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