GB/T 31486-2015 in English

《GB/T 31486-2015电动汽车用动力蓄电池电性能要求及试验方法》由TC114（全国汽车标准化技术委员会）归口，TC114SC27（全国汽车标准化技术委员会电动车辆分会）执行，主管部门为工业和信息化部。
本标准规定了电动汽车用动力蓄电池的电性能要求、试验方法、检验规则。
本标准适用于装载在电动汽车上的锂离子蓄电池和金属氢化物镍蓄电池单体和模块，其他类型蓄电池参照执行。

1 Scope

This standard specifies the electrical performancerequirements, test methods and inspection rules for traction battery (hereinafter referred to as "battery") of electric vehicles.
This standard is applicable to the lithium ion battery and nickel-metal hydride battery cells and modules installed on electric vehicles, and other types of batteries may also refer to this standard.

2 Normative References

The following documents for the application of this document are essential. Any dated reference, just dated edition applies to this document. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 2900.41 Electrotechnical Terminology - Primary and Secondary Cells and Batteries
GB/T 19596 Terminology of Electric Vehicles

3 Terminologies and Definitions

For the purposes of this document, the terminologies and definitions defined in GB/T 2900.41 and GB/T 19596 and the following ones apply.
3.1
Secondary cell
The basic unit device which directly transforms chemical energy into electric energy, includeselectrode, diaphragm, electrolyte, enclosure and terminal and is also designed to be rechargeable.

Foreword I
1 Scope
2 Normative References
3 Terminologies and Definitions
4 Symbols
5 Requirements
6 Test Methods
7 Inspection Rules