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GB/T 22084.2-2008 English PDF (GBT22084.2-2008)

GB/T 22084.2-2008 English PDF (GBT22084.2-2008)

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GB/T 22084.2-2008: Secondary cells and batteries containing alkaline or other non-acid electrolytes -- Portable sealed rechargeable single cells -- Part 2: Nickel-metal hydride

GB/T 22084.2-2008
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 29.220.10
K 82
GB/T 22084.2-2008 / IEC 61951-2:2003
Secondary cells and batteries containing alkaline or
other non-acid electrolytes - Portable sealed
rechargeable single cells - Part 2: Nickel-metal hydride
(IEC 61951-2:2003, IDT)
ISSUED ON: JUNE 18, 2008
IMPLEMENTED ON: NOVEMBER 01, 2008
Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the PRC;
Standardization Administration of the PRC.
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative references ... 5
3 Terms and definitions ... 6
4 Parameter measurement tolerances ... 7
5 Cell designation and marking ... 7
5.1 Cell designation ... 7
5.2 Cell termination ... 9
5.3 Marking ... 10
6 Dimensions ... 11
6.1 Small prismatic cells and cylindrical cells ... 11
6.2 Button cells ... 12
7 Electrical tests ... 13
7.1 Charging procedure for test purposes ... 13
7.2 Discharge performance ... 14
7.3 Charge (capacity) retention ... 15
7.4 Endurance ... 16
7.5 Charge acceptance at constant voltage ... 21
7.6 Overcharge ... 21
7.7 Safety device operation ... 22
7.8 Storage ... 22
7.9 Charge acceptance at 55 °C for LT, MT or HT cylindrical cells ... 23 7.10 Internal resistance ... 24
8 Mechanical tests ... 26
9 Type approval and batch acceptance ... 26
9.1 Type approval ... 26
9.2 Batch acceptance ... 27
Bibliography ... 29
Foreword
GB/T 22084 "Secondary cells and batteries containing alkaline or other non- acid electrolytes - Portable sealed rechargeable single cells" is divided into two parts:
- Part 1: Nickel-cadmium;
- Part 2: Nickel-metal hydride.
This Part is Part 2 of GB/T 22084. This Part is identical to IEC 61951-2:2003 "Secondary cells and batteries containing alkaline or other non-acid electrolytes - Portable sealed rechargeable single cells - Part 2: Nickel-metal hydride" (English edition).
For ease of use, this Part has made the following editorial changes:
- CHANGE the word "this International Standard" to "this Part";
- USE a decimal point "." to replace the comma "," as a decimal point;
- Delete the foreword of the international standard;
- The introduction of normative references adopts that stipulated in GB/T 1.1; - The subclause numbers of IEC 61951-2:2003 corresponding to 7.4.1 in
Table 18 and 7.4.2 in Table 19 of this Part are 7.4 and 7.4.4, respectively. Judging by the contents of these two inspections, it is believed that the provisions of IEC 61951-2:2003 are incorrect, which is corrected in this Part. This Part replaces the national standard GB/T 15100-2003 "Secondary cells and batteries containing alkaline or other non-acid electrolytes - Sealed nickel- metal hydride rechargeable single cells".
Compared with GB/T 15100-2003, the main changes in this Part are as follows: - ADD button cells and specify their designation (5.1.3 of this Part), model and dimensions (6.2 of this Part), and related performance requirements (Table 6 and Table 8 of this Part);
- Cylindrical cells are divided into four types: L, M, H, and X according to the discharge rate. The requirements for M cells are the same as the previous standard. ADD the requirements for the other three batteries;
- ADD two special types of cylindrical cells: T and R; specify their particular performance requirements (7.4.1.2.3, 7.4.2.3, 7.6.2, 7.6.3, 7.9 of this Part); Secondary cells and batteries containing alkaline or
other non-acid electrolytes - Portable sealed
rechargeable single cells - Part 2: Nickel-metal hydride
1 Scope
This Part of GB/T 22084 specifies marking, designation, dimensions, tests and requirements for portable sealed nickel-metal hydride, small prismatic, cylindrical and button rechargeable single cells (abbreviated as cells), suitable for use in any orientation.
2 Normative references
The following documents contain provisions which, through reference in this Part of GB/T 22084, constitute provisions of this Part. For the dated references, their subsequent amendments (excluding corrections) or revisions do not apply to this Part. However, the parties who enter into agreement based on this Part are encouraged to investigate whether the latest editions of these documents are applicable. For undated reference documents, the latest editions apply to this Part.
GB/T 7676 (all parts) Direct acting indicating analogue electrical measuring instruments and their accessories [IEC 60051 (all parts), IDT]
IEC 60050-486 International Electrotechnical Vocabulary - Chapter 486:
Secondary cells and batteries
IEC 60086 (all parts) Primary batteries
IEC 60410 Sampling plans and procedures for inspection by attributes
IEC 60485 Digital electronic d.c. voltmeters and d.c. electronic analogue-to- digital converters
IEC 61959 Secondary cells and batteries containing alkaline or other non- acid electrolytes - Mechanical tests for sealed portable secondary cells and batteries

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