BS EN 61951-1:2017
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Secondary cells and batteries containing alkaline or other non-acid electrolytes. Secondary sealed cells and batteries for portable applications – Nickel-Cadmium
| Published By | Publication Date | Number of Pages |
| BSI | 2017 | 46 |
This part of IEC 61951 specifies marking, designation, dimensions, tests and requirements for secondary sealed nickel-cadmium small prismatic, cylindrical and button cells and batteries, suitable for use in any orientation, for portable applications.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | National foreword |
| 6 | English CONTENTS |
| 9 | FOREWORD |
| 11 | 1 Scope 2 Normative references 3 Terms and definitions |
| 13 | 4 Parameter measurement tolerances 5 Cell and battery designation and marking 5.1 Cell and battery designation 5.1.1 Small prismatic cells and cylindrical cells |
| 15 | 5.1.2 Button cells 5.1.3 Batteries 5.2 Cell or battery termination 5.3 Marking 5.3.1 Small prismatic cells and cylindrical cells |
| 16 | 5.3.2 Button cells 5.3.3 Batteries 5.4 Exemption of wording 6 Dimensions 6.1 Small prismatic cells and cylindrical cells 6.1.1 General |
| 17 | 6.1.2 Small prismatic cells 6.1.3 Cylindrical cells Figures Figure 1 – Jacketed cylindrical cells Figure 2 – Jacketed small prismatic cells Tables Table 1 – Dimensions of jacketed small prismatic cells |
| 18 | Figure 3 – Jacketed cells dimensionally interchangeable with primary cells Table 2 – Dimensions of jacketed cylindrical cellsdimensionally interchangeable with primary cells |
| 19 | 6.2 Button cells Figure 4 – Button cells Table 3 – Dimensions of jacketed cylindrical cellsnot dimensionally interchangeable with primary cells |
| 20 | 7 Electrical tests 7.1 General 7.2 Charging procedure for test purposes 7.2.1 Charging procedure for cell 7.2.2 Charging procedure for battery Table 4 – Dimensions of button cells |
| 21 | 7.3 Discharge performance 7.3.1 General 7.3.2 Discharge performance at 20 °C Table 5 – Discharge performance at 20 °C forsmall prismatic cells and cylindrical cells |
| 22 | Table 6 – Discharge performance at 20 °C for button cells Table 7 – Discharge performance at 20 °C for batteries |
| 23 | 7.3.3 Discharge performance at –18 °C Table 8 – Rated capacity (mAh) compliance test (example) Table 9 – Discharge performance at –18 °Cfor small prismatic cells Table 10 – Discharge performance at –18 °C for cylindrical cells |
| 24 | 7.3.4 Discharge performance for rapid charge cells (R cells) 7.4 Charge (capacity) retention 7.5 Endurance 7.5.1 Endurance in cycles Table 11 – Discharge performance at –18 °C for button cells |
| 25 | Table 12 – Endurance in cycles for small prismatic cells andcylindrical cells not dimensionally interchangeable with primary cells Table 13 – Endurance in cycles for cylindrical cells dimensionally interchangeable with primary cells |
| 26 | Table 14 – Endurance in cycles for H or X cells Table 15 – Endurance in cycles for cylindrical X cells |
| 27 | Table 16 – Endurance in cycles for HR or XR cells Table 17 – Endurance in cycles for button cells |
| 28 | 7.5.2 Permanent charge endurance Table 18 – Permanent charge endurance for L, M, J, H or X cylindrical cells Table 19 – Permanent charge endurance for button cells |
| 30 | Table 20 – Permanent charge endurance for LT, MT, or HT cylindrical cells |
| 32 | 7.6 Charge acceptance at constant voltage 7.7 Overcharge 7.7.1 Small prismatic cells Table 21 – Permanent charge endurance for LU, MU, or HU cylindrical cells |
| 33 | 7.7.2 L, M, H or X cylindrical and button cells 7.7.3 LT/LU, MT/MU or HT/HU cylindrical cells 7.7.4 J cylindrical cells Table 22 – Overcharge at 0 °C |
| 34 | 7.7.5 JT cylindrical cells 7.7.6 R cylindrical cells |
| 35 | 7.8 Safety device operation 7.9 Button cells or batteries storage, small prismatic cells or batteries storage, cylindrical cells or batteries storage |
| 36 | 7.10 Charge acceptance at +55 °C for LT, MT or HT cylindrical cells 7.11 Trickle charge acceptance for JT cylindrical cells Table 23 – Capacity deterioration due to storage period for cells or batteries Table 24 – Charge and discharge at +55 °C |
| 37 | 7.12 Internal resistance 7.12.1 General 7.12.2 Measurement of the internal AC resistance Table 25 – Trickle charge acceptance for JT cylindrical cells |
| 38 | 7.12.3 Measurement of the internal DC resistance 8 Mechanical tests 9 Safety requirements 10 Type approval and batch acceptance 10.1 General Table 26 – Constant discharge currents usedfor measurement of DC resistance |
| 39 | 10.2 Type approval 10.2.1 Type approval for small prismatic cells 10.2.2 Type approval for cylindrical and button cells Table 27 – Sequence of tests for type approval for small prismatic cells |
| 40 | Table 28 – Sequence of tests for type approval for cylindrical cells |
| 41 | 10.2.3 Type approval for batteries Table 29 – Sequence of tests for type approval for button cells |
| 42 | 10.3 Batch acceptance Table 30 – Sequence of tests for type approvalfor batteries |
| 43 | Table 31 – Recommended test sequence for batch acceptance |
| 44 | Bibliography |
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