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GB/T 31467.3-2015 (GB/T31467.3-2015)

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GB/T 31467.3-2015: PDF in English (GBT 31467.3-2015)

GB/T 31467.3-2015
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.080
T 47
Lithium-ion traction battery pack and system for
electric vehicles – Part 3.
Safety requirements and test methods
(ISO 12405-3.2014, Electrically propelled road vehicles –
Test specification for lithium-ion traction battery packs and systems –
Part 3. Safety performance requirements, NEQ)
ISSUED ON. MAY 15, 2015
IMPLEMENTED ON. MAY 15, 2015
Issued by.
General Administration of Quality Supervision, Inspection
and Quarantine of the People’s Republic of China;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Terms and definitions ... 4 
4 Symbols and abbreviated terms ... 6 
5 General test conditions ... 6 
5.1 General conditions ... 6 
5.2 Accuracy requirements ... 7 
5.3 Data record and the time interval for recording ... 8 
5.4 Preparation for testing ... 8 
6 General tests ... 8 
6.1 Measurement accuracy of state parameters ... 8 
6.2 Pre-conditioning test ... 9 
7 Safety tests ... 9 
7.1 Vibration ... 9 
7.2 Mechanical shock ... 12 
7.3 Falling ... 13 
7.4 Rotation ... 13 
7.5 Simulated collision ... 13 
7.6 Squeezing ... 14 
7.7 Temperature shock ... 15 
7.8 Thermal shock cycling ... 15 
7.9 Seawater immersion ... 16 
7.10 Exposure to fire burning ... 16 
7.11 Salt mist ... 17 
7.12 High altitude ... 17 
7.13 Over-temperature protection ... 18 
7.14 Short circuit protection ... 18 
7.15 Over-charge protection ... 18 
7.16 Over-discharge protection ... 19 
Annex A (Informative) Typical Configurations of Battery Packs and Battery
Systems ... 20 
Annex B (Informative) Test Items of Battery Pack and Battery System ... 22 
Foreword
GB/T 31467 Lithium-ion traction battery pack and system for Electric vehicles is divided
into 3 parts.
— Part 1. Test specification for high power applications;
— Part 2. Test specification for high energy applications;
— Part 3. Safety requirements and test methods.
This Part is Part 3 of GB/T 31467.
This Part is drafted based on the provisions provided in GB/T 1.1-2009.
This Part was proposed by Ministry of Industry and Information Technology of the People's
Republic of China.
This Part shall be under the jurisdiction of National Technical Committee of Auto
Standardization (SAC/TC 114).
Drafting organizations of this Part. China Automotive Technology & Research Center,
China Electronics Technology Group Corporation 18th Research Institute, Shenzhen BYD
Auto Co., Ltd., China FAW Group Corporation, China North Vehicle Research Institute,
Huizhou Epower Electronic Co., Ltd., Tianjin Lishen Battery Co., Ltd., Chery New Energy
Automotive Technology Co., Ltd., Hubei Camel Storage Battery Research Institute Co.,
Ltd., Putian New Energy Co., Ltd., Shanghai CENAT Energy Company Limited, Tianjin
Qingyuan Electric Vehicle Co.,Ltd., Technology Center of Shanghai Automotive Group Co.,
Ltd., Qoros Automotive Co., Ltd., Technology Center of Dongfeng Motor Group Co., Ltd.,
Contemporary Amperex Technology Ltd. Headquarters (NingDe), Beijing Jiaotong
University, Beijing Institute of Technology, Shanghai Hengdong Auto Battery Co., Ltd., FAW
- Volkswagen Co., Ltd. AND Heter Electronics Group Co., Ltd.
Main drafters of this Part. Wu Zhixin, LianYubo, Wang Fang, Liu Shiqiang, Xiao Chengwei,
Meng Xiangfeng, Hu Daozhong, Cai Yi, Zhang Jianhua, Pei Xiaojuan, Zhou Nenghui, Ruan
Xusong, Zhang Na, Liu Kewei, Yu Hongtao, Zeng Xiangbing, Shao Zhehai, Jiang Wenfeng,
Wang Hongmei, Xia Yang, Wang Zhenpo, Jiang Jiuchun, Wang Wei, Wei Xuezhe, Chen
Fanwei, Wang Qing, Liu Lei and Ren Shijie.
Lithium-ion traction battery pack and system for electric
vehicles - Part 3. Safety requirements and test methods
1 Scope
This Part of GB/T 31467 specifies test procedures and safety requirements for lithium-ion
battery packs and systems to be used in electrically propelled vehicles.
This Part of GB/T 31467 is applicable to lithium-ion battery packs and systems installed in
electrically propelled vehicles. For Ni-MH battery packs or systems, this standard can be
served as reference.
2 Normative references
The following documents are indispensable for application of this document. For the dated
documents so quoted, only the dated versions apply to this document. For the undated
documents so quoted, the latest versions (including all modification sheets) apply to this
document.
GB 4208 Degrees of protection provided by enclosure (IP code)
GB/T 18384.1 Electric vehicles - Safety specification - Part 1. On-board energy
storage
GB/T 18384.3 Electric vehicles-Safety specification - Part 3. Protection of persons
against electric hazards
GB/T 19596 Terminology of electric vehicles
GB/T 28046.1-2011 Road vehicles - Environmental conditions and testing for
electrical and electronic equipment - Part 1. General
GB/T 31467.1-2015 Lithium-ion traction battery pack and system for Electric vehicles
- Part 1. Test specification for high power applications
GB/T 31467.2-2015 Lithium-ion traction battery pack and system for electric vehicles
- Part 2. Test specification for high energy applications
3 Terms and definitions
For the purpose of this document, the terms and definitions given in GB/T 19596 AND the
following apply.
— Voltage. ±1%;
— Current. ±1%;
— Temperature. ±2 V.
5.3 Data record and the time interval for recording
Unless otherwise specified, the test data such as time, temperature, current and voltage
shall be recorded at the interval of 1% of the predicted charging or discharging time.
5.4 Preparation for testing
5.4.1 Preparation of battery pack
Battery pack’s high voltage, low voltage and cooling devices shall be connected to the test
bench equipment. The passive protection of battery pack shall be activated. The working
state and parameters of test bench equipment and battery pack shall fulfill the
requirements and be tested according to test procedure as prescribed by the manufacturer
of battery pack. The active protection shall be able to be activated through the shut-off of
main connector of battery pack if necessary. The cooling device shall fulfill the working
requirements of manufacturer. During the test, data is not exchanged between battery pack
and test bench equipment. The parameter limits of battery pack shall be controlled by the
test bench equipment. The current, voltage, capacity or energy parameters detected by
the test bench equipment shall be served as the test results or the basis for calculation.
5.4.2 Preparation of battery system
Battery system’s high voltage, low voltage, cooling devices and BCU shall be connected
to the test bench equipment. The active and passive protections of battery pack shall be
activated. The t...
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Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.