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BS EN IEC 61951-1:2017+A1:2023 Secondary cells and batteries containing alkaline or other non-acid electrolytes. Secondary sealed cells and batteries for portable applications - Nickel-cadmium, 2023
- undefined
- English [Go to Page]
- CONTENTS
- FOREWORD
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Parameter measurement tolerances
- 5 Cell and battery designation and marking [Go to Page]
- 5.1 Cell and battery designation [Go to Page]
- 5.1.1 Small prismatic cells and cylindrical cells
- 5.1.2 Button cells
- 5.1.3 Batteries
- 5.2 Cell or battery termination
- 5.3 Marking [Go to Page]
- 5.3.1 Small prismatic cells and cylindrical cells
- 5.3.2 Button cells
- 5.3.3 Batteries
- 5.4 Exemption of wording
- 6 Dimensions [Go to Page]
- 6.1 Small prismatic cells and cylindrical cells [Go to Page]
- 6.1.1 General
- 6.1.2 Small prismatic cells
- 6.1.3 Cylindrical cells
- Figures [Go to Page]
- Figure 1 – Jacketed cylindrical cells
- Figure 2 – Jacketed small prismatic cells
- Tables [Go to Page]
- Table 1 – Dimensions of jacketed small prismatic cells
- Figure 3 – Jacketed cells dimensionally interchangeable with primary cells
- Table 2 – Dimensions of jacketed cylindrical cellsdimensionally interchangeable with primary cells
- 6.2 Button cells
- Figure 4 – Button cells
- Table 3 – Dimensions of jacketed cylindrical cellsnot dimensionally interchangeable with primary cells
- 7 Electrical tests [Go to Page]
- 7.1 General
- 7.2 Charging procedure for test purposes [Go to Page]
- 7.2.1 Charging procedure for cell
- 7.2.2 Charging procedure for battery
- Table 4 – Dimensions of button cells
- 7.3 Discharge performance [Go to Page]
- 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
- Blank Page [Go to Page]
- [Go to Page]
- Table 6 – Discharge performance at 20 °C for button cells
- Table 7 – Discharge performance at 20 °C for batteries [Go to Page]
- 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 [Go to Page]
- 7.3.4 Discharge performance for rapid charge cells (R cells)
- 7.4 Charge (capacity) retention
- 7.5 Endurance [Go to Page]
- 7.5.1 Endurance in cycles
- Table 11 – Discharge performance at –18 °C for button cells
- 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
- Table 14 – Endurance in cycles for H or X cells
- Table 15 – Endurance in cycles for cylindrical X cells
- Table 16 – Endurance in cycles for HR or XR cells
- Table 17 – Endurance in cycles for button cells [Go to Page]
- 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
- Table 20 – Permanent charge endurance for LT, MT, or HT cylindrical cells
- 7.6 Charge acceptance at constant voltage
- 7.7 Overcharge [Go to Page]
- 7.7.1 Small prismatic cells
- Table 21 – Permanent charge endurance for LU, MU, or HU cylindrical cells [Go to Page]
- 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 [Go to Page]
- 7.7.5 JT cylindrical cells
- 7.7.6 R cylindrical cells
- 7.8 Safety device operation
- 7.9 Button cells or batteries storage, small prismatic cells or batteries storage, cylindrical cells or batteries storage
- 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
- 7.12 Internal resistance [Go to Page]
- 7.12.1 General
- 7.12.2 Measurement of the internal AC resistance
- Table 25 – Trickle charge acceptance for JT cylindrical cells [Go to Page]
- 7.12.3 Measurement of the internal DC resistance
- 8 Mechanical tests
- 9 Safety requirements
- 10 Type approval and batch acceptance [Go to Page]
- 10.1 General
- Table 26 – Constant discharge currents usedfor measurement of DC resistance
- 10.2 Type approval [Go to Page]
- 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
- Table 28 – Sequence of tests for type approval for cylindrical cells [Go to Page]
- 10.2.3 Type approval for batteries
- Table 29 – Sequence of tests for type approval for button cells
- 10.3 Batch acceptance
- Table 30 – Sequence of tests for type approvalfor batteries
- Table 31 – Recommended test sequence for batch acceptance
- Bibliography [Go to Page]
