IEC 60623 pdf download – Secondary cells and batteries containing alkaline or other non-acid electrolytes — Vented nickel-cadmium prismatic rechargeable single cells

IEC 60623 pdf download – Secondary cells and batteries containing alkaline or other non-acid electrolytes — Vented nickel-cadmium prismatic rechargeable single cells
1General
1.1scope
This International Standard specifies marking, designation, dimensions, tests and requirementsfor vented nickel-cadmium prismatic secondary single cells.
NOTE In this context, “prismatic” refers to cells having rectangular sides and base.
When there exists an lEC standard specifying test conditions and requirements for cells usedin special applications and which is in conflict with this standard， the former shall takeprecedence.
1.2Normative references
The following normative documents contain provisions which，through reference in this text,constitute provisions of this International ‘Standard. For dated references,subsequentamendments to,or revisions of， any of these publications do not apply.However，parties toagreements based on this International Standard are encouraged to investigate the possibilityof applying the most recent editions of the normative documents indicated below.For undatedreferences，the latest edition of the normative document referred to applies.Members of IECand ISo maintain registers of currently valid lnternational Standards.
IEC 60050(486),International Electrotechnical Vocabulary – Chapter 486: Secondary cells andbatteries
lEC 60051 (all parts)，Direct acting indicating analogue electrical measuring instruments andtheir accessories
IEC 60410,Sampling plans and procedures for inspection by attributeslEC 60417 (all parts),Graphical symbols for use on equipment
IEC 60485, Digital electronic d.c. voltmeters and d.c. electronic analogue-to-digital converters
IEC 61438，Possible safety and health hazards in the use of alkaline secondary cells andbatteries – Guide to equipment manufacturers and users
1.3Definitions
For the purpose of this International Standard, the definitions contained in IEC 60050(486) andthe following apply.
1.3.1
vented cell
a secondary cell having a cover provided with an opening through which gaseous products mayescape.
NOTE The opening may be fitted with a venting system.
1.3.2
nominal voltage
the nominal voltage of a vented nickel-cadmium rechargeable single cell is 1,2 v
1.3.3
rated capacity
quantity of electricity CeAh (ampere-hours) declared by the manufacturer which a single cellcan deliver when discharged at the reference test current of 0,2 IA to a final voltage of 1,0 v at+20 °C after charging, storing and discharging under the conditions specified in clause 4
1.4Parameter measurement tolerances
The overall accuracy of controlled or measured values，relative to the specified or actualvalues, shall be within these tolerances:
a) ±1 %for voltage;
b)±1 % for current;
c)+2℃ for temperature;d)+0,1 %for time;
e)±1 %for capacity.
These tolerances comprise the combined accuracy of the measuring instruments,themeasurement techniques used, and all other sources of error in the test procedure.
For assistance in selecting instrumentation see IEC 60051 for analogue instruments andIEC 60485 for digital instruments. The details of the instrumentation used shall be provided inany report of results.
Designation and marking
2.1Cell designation
Vented nickel-cadmium prismatic secondary single cells shall be designated by the letter “K”followed by a letter L,M, H or × which signifies:
– low rate of discharge (L);
medium rate of discharge (M);high rate of discharge (H);very high rate of discharge (×).
This group of two letters shall be followed by a group of figures indicative of the rated capacityof the cell in ampere-hours.
For example: KH 185.
Cells in cases of plastic material shall be designated by the letter “p” after the figures.For example: KH 185 P.
2.2Cell termination
This standard does not specify cell termination.
2.3Marking
Each cell or monobloc shall carry durable markings giving the following minimum information:. type of cell (designation as specified in 2.1; in addition, it is permissible for a manufacturer
to use his own type designation);
name or identification of manufacturer or supplier;
positive terminal: either a red washer or an indented or raised symbol,(see graphicalsymbol 5005 of IEC 60417).
2.4Safety recommendations
The manufacturer shall provide recommendations for the safe handling of the cell.See alsoIEC61438.