09/30158428 DC : 0
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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BS EN 61951-2 - SECONDARY CELLS AND BATTERIES CONTAINING ALKALINE OR OTHER NON-ACID ELECTROLYTES - PORTABLE SEALED RECHARGEABLE SINGLE CELLS - PART 2: NICKEL-METAL HYDRIDE
Hardcopy , PDF
31-08-2011
English
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FOREWORD
1 Scope
2 Normative references
3 Definitions
4 Parameter measurement tolerances
5 Cell designation and marking
5.1 Cell designation
5.1.1 Small prismatic cells and cylindrical cells
5.1.1.1 Small prismatic cells
5.1.1.2 Cylindrical cells
5.1.2 Button cells
5.2 Cell termination
5.3 Marking
5.3.1 Small prismatic cells and cylindrical cells
5.3.2 Button cells
6 Dimensions
6.1 Small prismatic cells and cylindrical cells
6.1.1 Small prismatic cells
6.1.2 Cylindrical cells
6.1.2.1 Cells dimensionally interchangeable
with primary cells
6.1.2.2 Cells not dimensionally interchangeable
with primary cells
6.2 Button cells
7 Electrical tests
7.1 Charging procedure for test purposes
7.2 Discharge performance
7.2.1 Discharge performance at 20 degree C
7.2.2 Discharge performance at 0 degree C
7.2.3 Discharge performance for rapid charge
cells (R cells)
7.3 Charge (capacity) retention
7.4 Endurance
7.4.1 Endurance in cycles
7.4.1.1 Small prismatic, button and cylindrical
cells not dimensionally interchangeable
with primary cells
7.4.1.2 Cylindrical cells dimensionally
interchangeable with primary cells
7.4.1.3 Cylindrical cells (accelerated test
procedures)
7.4.2 Permanent charge endurance
7.4.2.1 Small prismatic and button cells
7.4.2.2 L, M, H or X cylindrical cells
7.4.2.3 LT, MT or HT cylindrical cells
7.4.2.4 LU, MU or HU cylindrical cells
7.5 Charge acceptance at constant voltage
7.6 Overcharge
7.6.1 Small prismatic, L, M, H, X, LS or MS cylindrical,
and button cells
7.6.2 LT/LU, MT/MU or HT/HU cylindrical cells
7.6.3 R cylindrical cells
7.7 Safety device operation
7.8 Surface temperature limitation device operation
(for S cell only)
7.9 Storage
7.10 Charge acceptance at +55 degree C for LT, MT or HT
cylindrical cells
7.11 Internal resistance
7.11.1 Measurement of the internal a.c. resistance
7.11.2 Measurement of the internal d.c. resistance
8 Mechanical tests
9 Safety requirements
10 Type approval and batch acceptance
10.1 Type approval
10.1.1 Type approval for small prismatic cells
and button cells
10.1.2 Type approval for cylindrical cells
10.2 Batch acceptance
Bibliography
BS EN 61951-2
| Committee |
PEL/21/1
|
| DocumentType |
Draft
|
| Pages |
34
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| IEC 60485:1974 | Digital electronic d.c. voltmeters and d.c. electronic analogue-to-digital converters |
| IEC 60050-482:2004 | International Electrotechnical Vocabulary (IEV) - Part 482: Primary and secondary cells and batteries |
| IEC 60410:1973 | Sampling plans and procedures for inspection by attributes |
| IEC 61434:1996 | Secondary cells and batteries containing alkaline or other non-acid electrolytes - Guide to designation of current in alkaline secondary cell and battery standards |
| IEC 61959:2004 | Secondary cells and batteries containing alkaline or other non-acid electrolytes - Mechanical tests for sealed portable secondary cells and batteries |
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