1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationSecondary cells and batteries containing alkaline or other non-acid electrolytes Portable sealed rechargeable single cellsPart 2: Nickel-metal hydrideBS EN 61951-2:2011Copyright
2、European Committee for Electrotechnical Standardization Provided by IHS under license with CENELECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-National forewordThis British Standard is the UK implementation of EN 61951-2:2011. It is identical to IEC 61951-2:2011
3、. It supersedes BS EN 61951-2:2003 which will be withdrawn on 29th June 2014.The UK participation in its preparation was entrusted by Technical Committee PEL/21, Secondary cells and batteries, to Subcommittee PEL/21/1, Secondary cells and batteries containing alkaline and other non-acidic electrolyt
4、es.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. BSI 2011ISBN 978 0 580 57918 9 ICS 29.220.30Compliance with
5、 a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 August 2011.Amendments issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 61951-2:2011Copyright Europea
6、n Committee for Electrotechnical Standardization Provided by IHS under license with CENELECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-EUROPEAN STANDARD EN 61951-2 NORME EUROPENNE EUROPISCHE NORM July 2011 CENELEC European Committee for Electrotechnical Standar
7、dization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2011 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 61951-2:2011 E I
8、CS 29.220.30 Supersedes EN 61951-2:2003English version Secondary cells and batteries containing alkaline or other non-acid electrolytes - Portable sealed rechargeable single cells - Part 2: Nickel-metal hydride (IEC 61951-2:2011) Accumulateurs alcalins et autres accumulateurs lectrolyte non acide -
9、Accumulateurs individuels portables tanches - Partie 2: Nickel-mtal hydrure (CEI 61951-2:2011) Akkumulatoren und Batterien mit alkalischem oder anderen nichtsurehaltigen Elektrolyten - Tragbare wiederaufladbare gasdichte Einzelzellen - Teil 2: Nickel-Metallhydrid (IEC 61951-2:2011) This European Sta
10、ndard was approved by CENELEC on 2011-06-29. 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 concer
11、ning such national standards may be obtained on application to the Central Secretariat 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 i
12、ts own language and notified to the Central Secretariat 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, France, Germany, Greece, Hungary, Iceland,
13、 Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 61951-2:2011Copyright European Committee for Electrotechnical Standardization Provided by IHS under license with CEN
14、ELECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-EN 61951-2:2011 - 2 - Foreword The text of document 21A/484/FDIS, future edition 3 of IEC 61951-2, prepared by SC 21A, Secondary cells and batteries containing alkaline or other non-acid electrolytes, of IEC TC 21
15、, Secondary cells and batteries, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 61951-2 on 2011-06-29. This European Standard supersedes EN 61951-2:2003. EN 61951-2:2011 includes the following significant technical changes with respect to EN 61951-2:2003: Clause 4:
16、addition of 2 parameters; Clause 5: addition of cells type “S” and cells type “T”; Subclause 6.1.2: addition of new cylindrical cells; Subclause 7.8: addition of a specific test for “S” cells. Attention is drawn to the possibility that some of the elements of this document may be the subject of pate
17、nt rights. CEN and CENELEC shall not be held responsible for identifying any or all such patent rights. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2012-03-29 latest date
18、by which the national standards conflicting with the EN have to be withdrawn (dow) 2014-06-29 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 61951-2:2011 was approved by CENELEC as a European Standard without any modification. In the official vers
19、ion, for Bibliography, the following notes have to be added for the standards indicated: IEC 60051 series NOTE Harmonized in EN 60051 series. IEC 61434 NOTE Harmonized as EN 61434. _ BS EN 61951-2:2011Copyright European Committee for Electrotechnical Standardization Provided by IHS under license wit
20、h CENELECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- 3 - EN 61951-2:2011 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following referenced documents are indispensable for the applica
21、tion 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. NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN
22、/HD applies. Publication Year Title EN/HD Year IEC 60050-482 - International Electrotechnical Vocabulary - Part 482: Primary and secondary cells and batteries - - IEC 60086 Series Primary batteries EN 60086 Series IEC 60086-1 2006 Primary batteries - Part 1: General EN 60086-11) 2007 IEC 60086-2 200
23、6 Primary batteries - Part 2: Physical and electrical specifications EN 60086-22) 2007 IEC 60410 - Sampling plans and procedures for inspection by attributes - - IEC 61959 - Secondary cells and batteries containing alkaline or other non-acid electrolytes - Mechanical tests for sealed portable second
24、ary cells and batteries EN 61959 - IEC 62133 - 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 EN 62133 - 1) EN 60086-1 is superseded by EN 6
25、0086-1:2011, which is based on IEC 60086-1:2011. 2) EN 60086-2 is superseded by EN 60086-2:2011, which is based on IEC 60086-2:2011. BS EN 61951-2:2011Copyright European Committee for Electrotechnical Standardization Provided by IHS under license with CENELECNot for ResaleNo reproduction or networki
26、ng permitted without license from IHS-,-,- 2 61951-2 IEC:2011 CONTENTS 1 Scope . 6 2 Normative references . 6 3 Terms and definitions . 6 4 Parameter measurement tolerances . 7 5 Cell designation and marking 8 5.1 Cell designation 8 5.1.1 Small prismatic cells and cylindrical cells 8 5.1.2 Button ce
27、lls . 9 5.2 Cell termination . 9 5.3 Marking . 9 5.3.1 Small prismatic cells and cylindrical cells 9 5.3.2 Button cells . 10 6 Dimensions 10 6.1 Small prismatic cells and cylindrical cells 10 6.1.1 General . 10 6.1.2 Small prismatic cells 11 6.1.3 Cylindrical cells . 12 6.2 Button cells . 14 7 Elect
28、rical tests 14 7.1 General . 14 7.2 Charging procedure for test purposes 14 7.3 Discharge performance . 15 7.3.1 General . 15 7.3.2 Discharge performance at 20 C 15 7.3.3 Discharge performance at 0 C 15 7.3.4 Discharge performance for rapid charge cells (R cells) 16 7.4 Charge (capacity) retention .
29、 16 7.5 Endurance . 17 7.5.1 Endurance in cycles 17 7.5.2 Permanent charge endurance 19 7.6 Charge acceptance at constant voltage . 23 7.7 Overcharge . 23 7.7.1 Small prismatic, L, M, H, X, LS or MS cylindrical, and button cells . 23 7.7.2 LT/LU, MT/MU or HT/HU cylindrical cells . 23 7.7.3 R cylindr
30、ical cells. 23 7.8 Safety device operation . 24 7.9 Surface temperature limitation device operation (for S cell only) 24 7.10 Storage . 25 7.11 Charge acceptance at +55 C for LT, MT or HT cylindrical cells 25 7.12 Internal resistance . 26 7.12.1 General . 26 7.12.2 Measurement of the internal a.c. r
31、esistance . 26 7.12.3 Measurement of the internal d.c. resistance . 27 8 Mechanical tests. 27 BS EN 61951-2:2011Copyright European Committee for Electrotechnical Standardization Provided by IHS under license with CENELECNot for ResaleNo reproduction or networking permitted without license from IHS-,
32、-,-61951-2 IEC:2011 3 9 Safety requirements . 27 10 Type approval and batch acceptance 27 10.1 Type approval . 27 10.1.1 Type approval for small prismatic cells and button cells . 27 10.1.2 Type approval for cylindrical cells 28 10.2 Batch acceptance 29 Bibliography 31 Figure 1 Jacketed cylindrical
33、cells 11 Figure 2 Jacketed small prismatic cells 11 Figure 3 Jacketed cells dimensionally interchangeable with primary cells 12 Figure 4 Button cells 14 Table 1 Dimensions of jacketed small prismatic cells . 11 Table 2 Jacketed cylindrical cells dimensionally interchangeable with primary cells . 12
34、Table 3 Jacketed cylindrical cells not dimensionally interchangeable with primary cells 13 Table 4 Dimensions of button cells 14 Table 5 Discharge performance at 20 C for small prismatic cells and cylindrical cells . 15 Table 6 Discharge performance at 20 C for button cells 15 Table 7 Discharge perf
35、ormance at 0 C for small prismatic cells and cylindrical cells . 16 Table 8 Discharge performance at 0 C for button cells 16 Table 9 Endurance in cycles for small prismatic, button and cylindrical cells not dimensionally interchangeable with primary cells 17 Table 10 Endurance in cycles for H or X c
36、ells 18 Table 11 Endurance in cycles for X cells 18 Table 12 Endurance in cycles for HR or XR cells . 19 Table 13 Permanent charge endurance for L, M, H or X cells . 19 Table 14 Permanent charge endurance for LT, MT or HT cells . 21 Table 15 Permanent charge endurance for LU, MU or HU cells 22 Table
37、 16 Overcharge at 0 C 23 Table 17 Charge and discharge at +55 C 26 Table 18 Constant discharge currents used for measurement of d.c. resistance . 27 Table 19 Sequence of tests for type approval for small prismatic and for button cells 28 Table 20 Sequence of tests for type approval for cylindrical c
38、ells . 29 Table 21 Recommended test sequence for batch acceptance 30 BS EN 61951-2:2011Copyright European Committee for Electrotechnical Standardization Provided by IHS under license with CENELECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- 6 61951-2 IEC:2011 SE
39、CONDARY CELLS AND BATTERIES CONTAINING ALKALINE OR OTHER NON-ACID ELECTROLYTES PORTABLE SEALED RECHARGEABLE SINGLE CELLS Part 2: Nickel-metal hydride 1 Scope This part of IEC 61951 specifies marking, designation, dimensions, tests and requirements for portable sealed nickel-metal hydride, small pris
40、matic, cylindrical and button rechargeable single cells, suitable for use in any orientation. 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 edi
41、tion of the referenced document (including any amendments) applies. IEC 60050-482, International Electrotechnical Vocabulary Part 482: Primary and secondary cells and batteries IEC 60086 (all parts), Primary batteries IEC 60086-1 (2006), Primary batteries Part 1: General IEC 60086-2 (2006), Primary
42、batteries Part 2: Physical and electrical specifications IEC 60410, Sampling plans and procedures for inspection by attributes IEC 61959, Secondary cells and batteries containing alkaline or other non-acid electrolytes Mechanical tests for sealed portable secondary cells and batteries IEC 62133, Sec
43、ondary 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 3 Terms and definitions For the purposes of this document, the terms and definitions given in the I
44、EC 60050-482 and the following apply. 3.1 nominal voltage suitable approximate value of voltage used to designate or identify the voltage of a cell or battery NOTE 1 The nominal voltage of a sealed nickel-metal hydride rechargeable single cell is 1,2 V. NOTE 2 The nominal voltage of a battery of n s
45、eries connected cells is equal to n times the nominal voltage of a single cell. BS EN 61951-2:2011Copyright European Committee for Electrotechnical Standardization Provided by IHS under license with CENELECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-61951-2 IEC
46、:2011 7 3.2 rated capacity quantity of electricity C5Ah (ampere-hours) declared by the manufacturer which a single cell can deliver during a 5 h period when charging, storing and discharging under the conditions specified in 7.3.2 3.3 small prismatic cell cell in the form of a rectangular parallelep
47、iped whose width and thickness dimensions are not more than 25 mm 3.4 cylindrical cell cell of circular cross-section in which the overall height is equal to, or greater than the overall diameter 3.5 button cell cell of circular cross-section in which the overall height is less than the overall diam
48、eter 3.6 nickel-metal hydride cell cell containing a nickel hydroxide compound for the positive electrode, a hydrogen absorbing alloy for the negative electrode, and potassium hydroxide or other alkaline solution as electrolyte. Positive electrodes are isolated from negative electrodes by a separator 3.7 sealed cell cell which remains closed and does not release either gas or liquid when operated within the limits of charge and temperature specified by the manufacturer. The cell is equipped with a
