IEC 61959 pdf download

IEC 61959 pdf download

IEC 61959 pdf download Secondary cells and batteries containing alkaline or other non-acid electrolytes – Mechanical tests for sealed portable secondary cells and batteries
1 Scope
This International standard specifies tests and requirements for verifying the mechanicalbehaviour of sealed portable secondary cells and batteries during handling and normal use.Relevant national and International standards have been taken into consideration.
This standard provides test objectives,methods of tests and acceptance criteria relevant tosealed portable secondary cells and batteries of different electrochemical systems (Ni-Cd,Ni-MH and Lithium) sizes and shapes (cylindrical, prismatic and button).
Normative references
The following referenced documents are indispensable for the application of this document.For dated references, only the edition cited applies.For undated references, the latest editionof the referenced document (including any amendments) applies.
lEC 60050(486),International Electrotechnical Vocabulary (IEV) – Chapter 486: Secondarycells and batteries
IEC 60068-2-6,Environmental testing – Part 2: Test -Test Fc: Vibration (sinusoidal)
IEC 60068-2-32,Environmental testing – Part 2: Tests. Test Ed: Free fall
IEC 60068-2-47,Environmental testing – Part 2-47:Test methods – Mounting of components,equipment and other articles for vibration, impact and similar dynamic tests
3Terms and definitions
For the purpose of this document, the definitions contained in lEC 60050-486, for electricalterms, in lEC 60068-2-6 and lEC 60068-2-32 for mechanical terms and the following apply.
hard pack battery
a battery assembly within a rigid case with built-in terminals
4 Requirement for mechanical tests
The ability of a cell or a battery to withstand mechanical stresses shall be verified by carrying out a vibration test and a free fall test based on the methods described in IEC 60068-2-6 and IEC 60068-2-32. Charge and discharge procedures referred to in this standard are referenced to the applicable IEC performance standards listed in the bibliography.
4.1 Vibration test Each cell or battery shall be charged in accordance with the charging procedure for electrical tests defined in the applicable IEC performance standard. In the case of batteries, all final voltages specified in these standards shall be multiplied by the number of series connected cells. When the charging has been completed, the following vibration test shall be carried out, using a test method which complies with the general requirement of IEC 60068-2-6.
The cell or battery on test shall be securely fastened and, if relevant, referring to IEC 60068-2-47. The vibration test shall be carried out in an ambient temperature of 20 °C ± 5 °C under the conditions given in Table 1 .

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