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BS EN 61982-4:2016

BS EN 61982-4:2016

$102.76

Secondary batteries (except lithium) for the propulsion of electric road vehicles – Safety requirements of nickel-metal hydride cells and modules

Published By Publication Date Number of Pages
BSI 2016 22
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This Part of IEC 61982 specifies test procedures and acceptance criteria for safety performance of nickel-metal hydride (Ni-MH) secondary cells and modules used for the propulsion of electric vehicles (EV) including battery electric vehicles (BEV) and hybrid electric vehicles (HEV).

This standard intends to secure the basic safety performance of the cell as used in a battery system under intended use and reasonably foreseeable misuse, during the normal operation of EV. The safety requirements of the cell in this standard are based on the premise that the cells and modules are properly used in a battery pack and system within the limit of voltage, current and temperature as specified by the cell manufacturer.

The evaluation of the safety of batteries during transport and storage is not covered by this standard.

NOTE 1 In this standard, Ni-MH cells mean the sealed nickel-metal hydride cells: these are sealed cells that use nickel hydroxide at the positive electrode, a hydrogen absorbing alloy at the negative electrode, and alkaline aqueous solution such as potassium hydroxide as the electrolyte. Sealed-type cells are those that can maintain their sealed condition and do not release gas or liquid when electrically charged and discharged within the temperature range specified by the cell manufacturer. These cells are equipped with a gas release mechanism to prevent explosion.

NOTE 2 In this standard, all the description on the cell are applicable to the module under the test.

PDF Catalog

PDF Pages PDF Title
4 European foreword
Endorsement notice
5 Annex ZA (normative) Normative references to international publications with their corresponding European publications
6 English
CONTENTS
7 FOREWORD
9 INTRODUCTION
10 1 Scope
2 Normative references
3 Terms and definitions
11 4 General test requirements
4.1 Accuracy of measuring instruments
4.1.1 Electrical measuring instruments
12 4.1.2 Tolerance
4.2 General test conditions
4.2.1 Test temperature
4.2.2 Temperature measurements
Figures
Figure 1 – Example of temperature measurement of cell
13 4.2.3 Dimension measurement
5 Electrical measurement
5.1 General charge conditions
Figure 2 – Examples of maximum dimension of cell
14 5.2 Capacity
5.3 State of charge (SOC) adjustment
6 Safety tests
6.1 General
6.2 Mechanical test
6.2.1 Mechanical shock
15 6.2.2 Crush
Figure 3 – Example of crush test
16 6.2.3 Vibration
6.3 Thermal test
6.3.1 High temperature endurance
Tables
Table 1 – Frequency and acceleration
17 6.3.2 Temperature cycling
6.4 Electrical test
6.4.1 External short circuit
18 6.4.2 Overcharge
6.4.3 Forced discharge
19 Bibliography

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BS EN 61982-4:2016
$102.76