Secondary cells and batteries containing alkaline or other non-acid electrolytes - Safety requirements for portable sealed secondary cells, and for batteries made from them, for use in portable applications - Part 2: Lithium systems

IEC 62133-2:2017 specifies requirements and tests for the safe operation of portable sealed secondary lithium cells and batteries containing non-acid electrolyte, under intended use and reasonably foreseeable misuse.
This first edition cancels and replaces the second edition of IEC 62133 published in 2012. It constitutes a technical revision.
This edition includes the following significant technical changes with respect to IEC 62133:2012:
- separation of nickel systems into a separate Part 1;
- inclusion of coin cell requirements;
- update of assembly of cells into batteries (5.6);
- mechanical tests [vibration, shock] (7.3.8.1, 7.3.8.2);
- insertion of IEC TR 62914 within the Bibliography.

Accumulateurs alcalins et autres accumulateurs à électrolyte non acide - Exigences de sécurité pour les accumulateurs portables étanches, et pour les batteries qui en sont constituées, destinés à l'utilisation dans des applications portables - Partie 1: Systèmes au lithium

L'IEC 62133-2:2017 spécifie les exigences et les essais pour le fonctionnement en toute sécurité des accumulateurs portables étanches au lithium contenant un électrolyte non acide dans des conditions d’utilisations prévues et dans des conditions d’utilisations abusives raisonnablement prévisibles.
Cette première édition annule et remplace l'IEC 62133 parue en 2012. Cette édition constitue une révision technique.
Cette édition inclut les modifications techniques majeures suivantes par rapport à l'IEC 62133:2012:
- séparation des systèmes au nickel dans une Partie 1 séparée;
- intégration des exigences en matière d’éléments boutons;
- mise à jour de l'assemblage des éléments dans les batteries (5.6);
- essais mécaniques [vibration, choc] (7.3.8.1, 7.3.8.2);
- insertion de l’IEC TR 62914 dans la Bibliographie.
Mots clé: lithium, li-ion

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Status
Published
Publication Date
06-Feb-2017
Current Stage
PPUB - Publication issued
Start Date
07-Feb-2017
Completion Date
07-Feb-2017
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IEC 62133-2:2017 - Secondary cells and batteries containing alkaline or other non-acid electrolytes - Safety requirements for portable sealed secondary cells, and for batteries made from them, for use in portable applications - Part 2: Lithium systems
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IEC 62133-2
Edition 1.0 2017-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Secondary cells and batteries containing alkaline or other non-acid
electrolytes – Safety requirements for portable sealed secondary cells, and for
batteries made from them, for use in portable applications –
Part 2: Lithium systems
Accumulateurs alcalins et autres accumulateurs à électrolyte non acide –
Exigences de sécurité pour les accumulateurs portables étanches, et pour les

batteries qui en sont constituées, destinés à l’utilisation dans des applications

portables –
Partie 2: Systèmes au lithium
IEC 62133-2:2017-02(en-fr)
---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 62133-2
Edition 1.0 2017-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Secondary cells and batteries containing alkaline or other non-acid
electrolytes – Safety requirements for portable sealed secondary cells, and for
batteries made from them, for use in portable applications –
Part 2: Lithium systems
Accumulateurs alcalins et autres accumulateurs à électrolyte non acide –
Exigences de sécurité pour les accumulateurs portables étanches, et pour les

batteries qui en sont constituées, destinés à l’utilisation dans des applications

portables –
Partie 2: Systèmes au lithium
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.220.30 ISBN 978-2-8322-3910-0

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 3 ----------------------
– 2 – IEC 62133-2:2017 © IEC 2017
CONTENTS

FOREWORD ........................................................................................................................... 5

1 Scope .............................................................................................................................. 7

2 Normative references ...................................................................................................... 7

3 Terms and definitions ...................................................................................................... 7

4 Parameter measurement tolerances .............................................................................. 10

5 General safety considerations ....................................................................................... 10

5.1 General ................................................................................................................. 10

5.2 Insulation and wiring ............................................................................................. 11

5.3 Venting ................................................................................................................. 11

5.4 Temperature, voltage and current management .................................................... 11

5.5 Terminal contacts ................................................................................................. 11

5.6 Assembly of cells into batteries ............................................................................. 12

5.6.1 General ......................................................................................................... 12

5.6.2 Design recommendation ................................................................................ 12

5.6.3 Mechanical protection for cells and components of batteries .......................... 13

5.7 Quality plan .......................................................................................................... 13

5.8 Battery safety components .................................................................................... 13

6 Type test and sample size ............................................................................................. 13

7 Specific requirements and tests ..................................................................................... 14

7.1 Charging procedures for test purposes ................................................................. 14

7.1.1 First procedure .............................................................................................. 14

7.1.2 Second procedure ......................................................................................... 14

7.2 Intended use ......................................................................................................... 15

7.2.1 Continuous charging at constant voltage (cells) ............................................. 15

7.2.2 Case stress at high ambient temperature (battery) ......................................... 15

7.3 Reasonably foreseeable misuse ............................................................................ 15

7.3.1 External short-circuit (cell) ............................................................................. 15

7.3.2 External short-circuit (battery)........................................................................ 16

7.3.3 Free fall ......................................................................................................... 16

7.3.4 Thermal abuse (cells) .................................................................................... 16

7.3.5 Crush (cells) .................................................................................................. 17

7.3.6 Over-charging of battery ................................................................................ 17

7.3.7 Forced discharge (cells) ................................................................................ 17

7.3.8 Mechanical tests (batteries) ........................................................................... 18

7.3.9 Design evaluation – Forced internal short-circuit (cells) ................................. 19

8 Information for safety ..................................................................................................... 21

8.1 General ................................................................................................................. 21

8.2 Small cell and battery safety information ............................................................... 22

9 Marking ......................................................................................................................... 22

9.1 Cell marking .......................................................................................................... 22

9.2 Battery marking..................................................................................................... 23

9.3 Caution for ingestion of small cells and batteries .................................................. 23

9.4 Other information .................................................................................................. 23

10 Packaging and transport ................................................................................................ 23

Annex A (normative) Charging and discharging range of secondary lithium ion cells for

safe use ................................................................................................................................ 24

---------------------- Page: 4 ----------------------
IEC 62133-2:2017 © IEC 2017 – 3 –

A.1 General ................................................................................................................. 24

A.2 Safety of lithium ion secondary battery .................................................................. 24

A.3 Consideration on charging voltage ........................................................................ 24

A.3.1 General ......................................................................................................... 24

A.3.2 Upper limit charging voltage .......................................................................... 24

A.4 Consideration of temperature and charging current ............................................... 26

A.4.1 General ......................................................................................................... 26

A.4.2 Recommended temperature range ................................................................. 26

A.4.3 High temperature range ................................................................................. 27

A.4.4 Low temperature range .................................................................................. 28

A.4.5 Scope of the application of charging current .................................................. 29

A.4.6 Consideration of discharge ............................................................................ 29

A.5 Sample preparation ............................................................................................... 30

A.5.1 General ......................................................................................................... 30

A.5.2 Insertion procedure for nickel particle to generate internal short .................... 30

A.5.3 Disassembly of charged cell .......................................................................... 31

A.5.4 Shape of nickel particle ................................................................................. 31

A.5.5 Insertion of nickel particle in cylindrical cell ................................................... 31

A.5.6 Insertion of nickel particle in prismatic cell ..................................................... 34

A.6 Experimental procedure of the forced internal short-circuit test ............................. 36

A.6.1 Material and tools for preparation of nickel particle ........................................ 36

A.6.2 Example of a nickel particle preparation procedure ........................................ 37

A.6.3 Positioning (or placement) of a nickel particle ................................................ 37

A.6.4 Damaged separator precaution ...................................................................... 38

A.6.5 Caution for rewinding separator and electrode ............................................... 38

A.6.6 Insulation film for preventing short-circuit ...................................................... 39

A.6.7 Caution when disassembling a cell ................................................................ 39

A.6.8 Protective equipment for safety ..................................................................... 39

A.6.9 Caution in the case of fire during disassembling ............................................ 39

A.6.10 Caution for the disassembling process and pressing the electrode core ......... 39

A.6.11 Recommended specifications for the pressing device .................................... 39

Annex B (informative) Recommendations to equipment manufacturers and battery

assemblers ........................................................................................................................... 42

Annex C (informative) Recommendations to the end-users .................................................. 43

Annex D (normative) Measurement of the internal AC resistance for coin cells ................... 44

D.1 General ................................................................................................................. 44

D.2 Method ................................................................................................................. 44

Annex E (informative) Packaging and transport .................................................................... 45

Annex F (informative) Component standards references ...................................................... 46

Bibliography .......................................................................................................................... 47

Figure 1 – Forced discharge time chart ................................................................................. 18

Figure 2 – Jig for pressing .................................................................................................... 21

Figure 3 – Ingestion gauge ................................................................................................... 22

Figure A.1 – Representation of lithium ion cells operating region for charging ...................... 25

Figure A.2 – Representation of lithium ion cell operating region for discharging .................... 30

Figure A.3 – Shape of nickel particle ..................................................................................... 31

---------------------- Page: 5 ----------------------
– 4 – IEC 62133-2:2017 © IEC 2017

Figure A.4 – Nickel particle insertion position between positive and negative active

material coated area of cylindrical cell .................................................................................. 31

Figure A.5 – Nickel particle insertion position between positive aluminium foil and

negative active material coated area of cylindrical cell .......................................................... 32

Figure A.6 – Disassembly of cylindrical cell .......................................................................... 33

Figure A.7 – Nickel particle insertion position between positive and negative (active

material) coated area of prismatic cell ................................................................................... 34

Figure A.8 – Nickel particle insertion position between positive aluminium foil and

negative (active material) coated area of prismatic cell ......................................................... 35

Figure A.9 – Disassembly of prismatic cells .......................................................................... 36

Figure A.10 – Dimensions of a completed nickel particle ....................................................... 37

Figure A.11 – Positioning of the nickel particle when it cannot be placed in the

specified area ....................................................................................................................... 38

Figure A.12 – Cylindrical cell ................................................................................................ 38

Figure A.13 – Distance / time ratio of several types of pressing devices ............................... 41

Table 1 – Sample size for type tests ..................................................................................... 14

Table 2 – Condition of charging procedure ............................................................................ 15

Table 3 – Conditions for vibration test ................................................................................... 19

Table 4 – Shock parameters ................................................................................................. 19

Table 5 – Ambient temperature for cell test ........................................................................... 20

Table A.1 – Examples of operating region charging parameters ............................................ 25

Table A.2 – Recommended specifications of a pressing device ............................................. 40

Table F.1 – Component standard references ........................................................................ 46

---------------------- Page: 6 ----------------------
IEC 62133-2:2017 © IEC 2017 – 5 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
SECONDARY CELLS AND BATTERIES CONTAINING
ALKALINE OR OTHER NON-ACID ELECTROLYTES –
SAFETY REQUIREMENTS FOR PORTABLE SEALED
SECONDARY CELLS, AND FOR BATTERIES MADE
FROM THEM, FOR USE IN PORTABLE APPLICATIONS –
Part 2: Lithium systems
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

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indispensable for the correct application of this publication.

9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of

patent rights. IEC shall not be held responsible for identifying any or all such patent rights.

International Standard IEC 62133-2 has been prepared by subcommittee 21A: Secondary

cells and batteries containing alkaline or other non-acid electrolytes, of IEC technical

committee 21: Secondary cells and batteries.

This first edition cancels and replaces the second edition of IEC 62133 published in 2012. It

constitutes a technical revision.

This edition includes the following significant technical changes with respect to

IEC 62133:2012:
– separation of nickel systems into a separate Part 1;
– inclusion of coin cell requirements;
---------------------- Page: 7 ----------------------
– 6 – IEC 62133-2:2017 © IEC 2017
– update of assembly of cells into batteries (5.6);
– mechanical tests [vibration, shock] (7.3.8.1, 7.3.8.2);
– insertion of IEC TR 62914 within the Bibliography.
The text of this standard is based on the following documents:
FDIS Report on voting
21A/620/FDIS 21A/628/RVD

Full information on the voting for the approval of this standard can be found in the report on

voting indicated in the above table.

This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.

The following different practices of a less permanent nature exist in the countries indicated

below.

7.3.9: Design evaluation – Forced internal short-circuit test only applies to Korea, Japan,

Switzerland and France.

A list of all parts of the IEC 62133 series, published under the general title Secondary cells

and batteries containing alkaline or other non-acid electrolytes – Safety requirements for

portable sealed secondary cells, and for batteries made from them, for use in portable

applications, can be found on the IEC website.

The committee has decided that the contents of this publication will remain unchanged until

the stability date indicated on the IEC website under "http://webstore.iec.ch" in the data

related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates

that it contains colours which are considered to be useful for the correct

understanding of its contents. Users should therefore print this document using a

colour printer.
---------------------- Page: 8 ----------------------
IEC 62133-2:2017 © IEC 2017 – 7 –
SECONDARY CELLS AND BATTERIES CONTAINING
ALKALINE OR OTHER NON-ACID ELECTROLYTES –
SAFETY REQUIREMENTS FOR PORTABLE SEALED
SECONDARY CELLS, AND FOR BATTERIES MADE
FROM THEM, FOR USE IN PORTABLE APPLICATIONS –
Part 2: Lithium systems
1 Scope

This part of IEC 62133 specifies requirements and tests for the safe operation of portable

sealed secondary lithium cells and batteries containing non-acid electrolyte, under intended

use and reasonably foreseeable misuse.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their

content constitutes requirements of this document. For dated references, only the edition

cited applies. For undated references, the latest edition of the referenced document (including

any amendments) applies.

IEC 60050-482:2004, International Electrotechnical Vocabulary – Part 482: Primary and

secondary cells and batteries (available at http://www.electropedia.org)

IEC 61960, Secondary cells and batteries containing alkaline or other non-acid electrolytes –

Secondary lithium cells and batteries for portable applications
ISO/IEC Guide 51, Safety aspects – Guidelines for their inclusion in standards
3 Terms and definitions

For the purposes of this document, the terms and definitions given in IEC 60050-482,

ISO/IEC Guide 51 and the following apply.
3.1
safety
freedom from unacceptable risk
3.2
risk

combination of the probability of occurrence of harm and the severity of that harm

3.3
harm

physical injury or damage to the health of people or damage to property or to the environment

3.4
hazard
potential source of harm
---------------------- Page: 9 ----------------------
– 8 – IEC 62133-2:2017 © IEC 2017
3.5
intended use

use of a product, process or service in accordance with specifications, instructions and

information provided by the supplier
3.6
reasonably foreseeable misuse

use of a product, process or service in a way which is not intended by the supplier, but which

may result from readily predictable human behaviour
3.7
secondary cell

basic manufactured unit providing a source of electrical energy by direct conversion of

chemical energy, that consists of electrodes, separators, electrolyte, container and terminals,

and that is designed to be charged electrically
3.8
secondary battery

assembly of secondary cell(s) which may include associated safety and control circuits and

case, ready for use as a source of electrical energy characterized by its voltage, size, terminal

arrangement, capacity and rate capability
Note 1 to entry: Includes single cell batteries.
3.9
leakage
unplanned, visible escape of liquid electrolyte
3.10
venting

release of excessive internal pressure from a cell or battery in a manner intended by design to

preclude rupture or explosion
3.11
rupture
mechanical failure of a cell container or battery case induced by a
...

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