IEC_62133-2-2017.pdf

IEC 62133-2 Edit ion 1.0 2017-02 INTER NA TIONAL STA NDA R D NOR ME INTER NA TIONALE Secondary cells and batteries containing alkaline or other non-acid electroly tes 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 lectrolyte non acide Exigences de scurit pour les accumulateurs portables tanches,et pour les batteries qui en sont constitues,destins lutilisation dans des applications portables Partie 2:Systmes au lithium INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS 29.220.30 ISBN 978-2-8322-3910-0 R egist er ed tr ademar k of t he Int er national Electr ot echnical CommissionMarque dpose de la Commission Electr otechnique Internationale Warning!Make sure that y ou obtained this publication from an authorized distributor.Attention!V euillez vous assurer que vous avez obtenu cette publication via un distributeur agr.colourinside 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 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 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