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IEC 61960 Edition 2.0 2011-06 INTERNATIONAL STANDARD NORME INTERNATIONALE Secon

IEC 61960 Edition 2.0 2011-06 INTERNATIONAL STANDARD NORME INTERNATIONALE Secondary cells and batteries containing alkaline or other non-acid electrolytes – Secondary lithium cells and batteries for portable applications Accumulateurs alcalins et autres accumulateurs à électrolyte non acide – Éléments et batteries d'accumulateurs au lithium pour applications portables INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE Q ICS 29.220.99 PRICE CODE CODE PRIX ISBN 978-2-88912-538-8 ® Registered trademark of the International Electrotechnical Commission Marque déposée de la Commission Electrotechnique Internationale ® This is a preview - click here to buy the full publication – 2 – 61960 © IEC:2011 CONTENTS FOREWORD ........................................................................................................................... 3 1 Scope ............................................................................................................................... 5 2 Normative references ....................................................................................................... 5 3 Terms and definitions ....................................................................................................... 5 4 Parameter measurement tolerances ................................................................................. 6 5 Cell designation and marking............................................................................................ 7 5.1 Cell and battery designation .................................................................................... 7 5.2 Cell or battery termination ....................................................................................... 8 5.3 Marking ................................................................................................................... 8 6 Standard cells .................................................................................................................. 8 7 Electrical tests .................................................................................................................. 8 7.1 General ................................................................................................................... 8 7.2 Charging procedure for test purposes ...................................................................... 9 7.3 Discharge performance ........................................................................................... 9 7.3.1 Discharge performance at 20 °C (rated capacity) ......................................... 9 7.3.2 Discharge performance at –20 °C ................................................................ 9 7.3.3 High rate discharge performance at 20 °C ................................................... 9 7.4 Charge (capacity) retention and recovery .............................................................. 10 7.5 Charge (capacity) recovery after long term storage ............................................... 10 7.6 Endurance in cycles .............................................................................................. 11 7.6.1 General ..................................................................................................... 11 7.6.2 Endurance in cycles at a rate of 0,2 It A .................................................... 11 7.6.3 Endurance in cycles at a rate of 0,5 It A (accelerated test procedure) ........ 11 7.7 Battery internal resistance ..................................................................................... 11 7.7.1 General ..................................................................................................... 11 7.7.2 Measurement of the internal a.c. resistance ............................................... 12 7.7.3 Measurement of the internal d.c. resistance ............................................... 12 7.8 Electrostatic discharge (ESD) ................................................................................ 13 7.8.1 General ..................................................................................................... 13 7.8.2 Test procedure .......................................................................................... 13 7.8.3 Acceptance criterion .................................................................................. 13 8 Test protocol and conditions for type approval ................................................................ 13 8.1 Test protocol ......................................................................................................... 13 8.2 Conditions for type approval .................................................................................. 13 8.2.1 Dimensions ............................................................................................... 13 8.2.2 Electrical tests ........................................................................................... 13 8.2.3 Conditional type approval ........................................................................... 14 Bibliography .......................................................................................................................... 17 Table 1 – Standard secondary lithium cells ............................................................................. 8 Table 2 – Endurance in cycles at a rate of 0,2 It A ................................................................ 11 Table 3 – Endurance in cycles at a rate of 0,5 It A ................................................................ 11 Table 4 – Sample sizes and sequence of tests ...................................................................... 15 Table 5 – Minimum requirements for each type of standard secondary lithium cells and batteries ............................................................................................................................... 16 This is a preview - click here to buy the full publication 61960 © IEC:2011 – 3 – INTERNATIONAL ELECTROTECHNICAL COMMISSION ____________ SECONDARY CELLS AND BATTERIES CONTAINING ALKALINE OR OTHER NON-ACID ELECTROLYTES – SECONDARY LITHIUM CELLS AND BATTERIES FOR PORTABLE 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) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is 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 61960 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 second edition cancels and replaces the first edition published in 2003. It is a technical revision. This edition includes the following significant technical changes with respect to the previous edition: • 7.6 Endurance in cycles: addition of an accelerated test procedure. This is a preview - click here to buy the full publication – 4 – 61960 © IEC:2011 The text of this standard is based on the following documents: FDIS Report on voting 21A/486/FDIS 21A/490/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 committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC web site 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. This is a preview - click here to buy the full publication 61960 © IEC:2011 – 5 – SECONDARY CELLS AND BATTERIES CONTAINING ALKALINE OR OTHER NON-ACID ELECTROLYTES – SECONDARY LITHIUM CELLS AND BATTERIES FOR PORTABLE APPLICATIONS 1 Scope This International Standard specifies performance tests, designations, markings, dimensions and other requirements for secondary lithium single cells and batteries for portable applications. The objective of this standard is to provide the purchasers and users of secondary lithium cells and batteries with a set of criteria with which they can judge the performance of secondary lithium cells and batteries offered by various manufacturers. This standard defines a minimum required level of performance and a standardized methodology by which testing is performed and the results of this testing reported to the user. Hence, users will be able to establish the viability of commercially available cells and batteries via the declared specification and thus be able to select the cell or battery best suited for their intended application. This standard covers secondary lithium cells and batteries with a range of chemistries. Each electrochemical couple has a characteristic voltage range over which it releases its electrical capacity, a characteristic nominal voltage and a characteristic end-of-discharge voltage during discharge. Users of secondary lithium cells and batteries are requested to consult the manufacturer for advice. 2 Normative references The following referenced documents are indispensable for the application 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, International Electrotechnical Vocabulary (IEV) – Part 482: Primary and secondary cells and batteries IEC 61000-4-2, Electromagnetic compatibility (EMC) – Part 4-2: Testing and measurement techniques – Electrostatic discharge immunity test 3 Terms and definitions For the purposes of this document, the terms and definitions given in the IEC 60050-482, as well as the following apply. 3.1 charge recovery capacity that a cell or battery can deliver after the charge following the charge retention test according to 3.2 This is a preview - click here to buy the full publication – 18 – 61960 © CEI:2011 SOMMAIRE AVANT-PROPOS .................................................................................................................. 20 1 Domaine d'application .................................................................................................... 22 2 Références normatives ................................................................................................... 22 3 Termes et définitions ...................................................................................................... 22 4 Tolérances de mesures relatives aux paramètres ........................................................... 23 5 Désignation et marquage ................................................................................................ 24 5.1 Désignation des éléments et uploads/Management/international-standard-norme-internationale 13 .pdf