BS EN 61951-2:2011
$167.15
Secondary cells and batteries containing alkaline or other non-acid electrolytes. Portable sealed rechargeable single cells – Nickel-metal hydride
| Published By | Publication Date | Number of Pages |
| BSI | 2011 | 36 |
This part of IEC 61951 specifies marking, designation, dimensions, tests and requirements for portable sealed nickel-metal hydride, small prismatic, cylindrical and button rechargeable single cells, suitable for use in any orientation.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 6 | English CONTENTS |
| 8 | 1 Scope 2 Normative references 3 Terms and definitions |
| 9 | 4 Parameter measurement tolerances |
| 10 | 5 Cell designation and marking 5.1 Cell designation |
| 11 | 5.2 Cell termination 5.3 Marking |
| 12 | 6 Dimensions 6.1 Small prismatic cells and cylindrical cells |
| 13 | Figures Figure 1 – Jacketed cylindrical cells Figure 2 – Jacketed small prismatic cells Tables Table 1 – Dimensions of jacketed small prismatic cells |
| 14 | Figure 3 – Jacketed cells dimensionally interchangeable with primary cells Table 2 – Jacketed cylindrical cells dimensionally interchangeable with primary cells |
| 15 | Table 3 – Jacketed cylindrical cells not dimensionally interchangeablewith primary cells |
| 16 | 6.2 Button cells 7 Electrical tests 7.1 General 7.2 Charging procedure for test purposes Figure 4 – Button cells Table 4 – Dimensions of button cells |
| 17 | 7.3 Discharge performance Table 5 – Discharge performance at 20 °C for small prismatic cells and cylindrical cells Table 6 – Discharge performance at 20 °C for button cells |
| 18 | 7.4 Charge (capacity) retention Table 7 – Discharge performance at 0 °C for small prismatic cells and cylindrical cells Table 8 – Discharge performance at 0 °C for button cells |
| 19 | 7.5 Endurance Table 9 – Endurance in cycles for small prismatic, button and cylindrical cells not dimensionally interchangeable with primary cells |
| 20 | Table 10 – Endurance in cycles for H or X cells Table 11 – Endurance in cycles for X cells |
| 21 | Table 12 – Endurance in cycles for HR or XR cells Table 13 – Permanent charge endurance for L, M, H or X cells |
| 23 | Table 14 – Permanent charge endurance for LT, MT or HT cells |
| 24 | Table 15 – Permanent charge endurance for LU, MU or HU cells |
| 25 | 7.6 Charge acceptance at constant voltage 7.7 Overcharge Table 16 – Overcharge at 0 °C |
| 26 | 7.8 Safety device operation 7.9 Surface temperature limitation device operation (for S cell only) |
| 27 | 7.10 Storage 7.11 Charge acceptance at +55 °C for LT, MT or HT cylindrical cells |
| 28 | 7.12 Internal resistance Table 17 – Charge and discharge at +55 °C |
| 29 | 8 Mechanical tests 9 Safety requirements 10 Type approval and batch acceptance 10.1 Type approval Table 18 – Constant discharge currents used formeasurement of d.c. resistance |
| 30 | Table 19 – Sequence of tests for type approvalfor small prismatic and for button cells |
| 31 | 10.2 Batch acceptance Table 20 – Sequence of tests for type approvalfor cylindrical cells |
| 32 | Table 21 – Recommended test sequence for batch acceptance |
| 33 | Bibliography |
