GB/T 36672-2018 in English

《GB/T 36672-2018电动摩托车和电动轻便摩托车用锂离子电池》由TC114（全国汽车标准化技术委员会）归口，TC114SC1（全国汽车标准化技术委员会摩托车分会）执行，主管部门为工业和信息化部。

ChinaStandards.net is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.

This standard is developed in accordance with the rules given in GB/T 1.1-2009.

This standard was proposed by the Ministry of Industry and Information Technology of the People's Republic of China.

This standard is under jurisdiction of the National Technical Committee of Auto Standardization (SAC/TC 114).

Lithium-ion battery for electric mopeds and motorcycles

1 Scope

This standard specifies the module model, battery system requirements, test methods, identification, packaging, transportation and storage of the lithium-ion battery for electric motorcycles and mopeds.

This standard is applicable to the lithium-ion battery system for electric motorcycles and electric mopeds.

2 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 edition of the referenced document (including any amendments) applies.

GB 2894-2008 Safety signs and guideline for the use
GB/T 2900.41 Electrotechnical terminology - Primary and secondary cells and batteries
GB/T 4208 Degrees of protection provided by enclosure (IP code)
GB/T 5013.1 Rubber insulated cables of rated voltages up to and including 450/750 V - Part 1: General requirements
GB/T 5023.1 Polyvinyl chloride insulated cables and wires and cords of rated voltages up to and including 450/750v — Part 1: General requirements
GB/T 18384.1-2015 Electrically Propelled Road Vehicles - Safety Specifications - Part 1: On-board Rechargeable Energy Storage System (REESS)
GB/T 18384.3-2015 Electrically propelled road vehicles - Safety specifications - Part 3: Protection of persons against electric shock
GB/T 18455-2010 Packaging recycling marks
GB/T 19596 Terms of electric vehicles
GB/T 19666 General of flame retardant and fire resistant wires and cables
GB 21966-2008 Safety requirements of lithium primary battery and battery in transportation
GB/T 31467.3-2015 Lithium-ion Traction Battery Pack and System for Electric Vehicles - Part 3: Safety Requirements and Test Methods
GB/T 31485 Safety requirements and test methods for traction battery of electric vehicle
GB/T 31486 Electrical performance requirements and test methods for traction battery of electric vehicle
QC/T 413 Basic specifications for automotive electrical equipment
QC/T 417.2 Wire harness connector for vehicle—Part 2: Test methods and general performance requirements (motorcycle part)
QC/T 1067.1-2017 Connector used in automobile wire harness and electrical device - Part 1: Definition, test method and requirement
QC/T 1067.2-2017 Connector used in automobile wire harness and electrical device - Part 2: Type, dimension of the male terminal
QC/T 1067.3-2017 Connectors used in automobile wire harness and electrical device - Part 3: Type, dimension and requirement of the ring terminal

3 Terms, definitions and symbols

For the purposes of this document, the following terms and definitions given in GB/T 2900.41 and GB/T 19596 shall apply. For the convenience of application, some terms and definitions in GB 19596 are listed again as follows.

3.1
secondary cell
a basic unit device consisted of electrode, diaphragm, electrolyte, enclosure and terminal, which directly transforms chemical energy into electric energy, and is also designed to be rechargeable
[GB/T 31485-2015, definition 3.1]

3.2
battery module
assembly that combines two or more aforesaid secondary cells in series connection, parallel connection or their combination, only has a pair of positive and negative output terminals and is used as power supply
[GB/T 31485-2015, definition 3.2]

3.3
battery system
energy storage device consisting of one or more battery modules and corresponding accessories (management system, high voltage circuit, low voltage circuit, thermal management equipment and mechanical assembly, etc.)
Note: It is derived from definition 3.5 of GB/T 31467.3-2015

3.4
explosion
situation that battery case bursts, and main constituents (solid matters) shoot out accompanying with loud noise
[GB/T 31485-2015, definition 3.3]


3.5
fire
situation that any part of the battery keeps burning (duration is longer than 1s) with spark and arc discharge not considered as combustion
[GB/T 31485-2015, definition 3.4]

3.6
leakage
situation that liquid inside the battery flows out or seeps out of the battery case
Note: It is derived from definition 482-02-32 of GB/T 2900.41-2008.

3.7
case
protective component that encapsulates the internal components of the battery and prevents direct contact with the outside and serves as a container of the cell
[GB/T 31485-2015, definition 3.6]

3.8
rated capacity
capacity (Ah) of the battery discharged at a current of 1I1(A) until the battery reaches the cut-off voltage at room temperature
[GB/T 31486-2015, definition 3.3]

3.9
rated energy
energy (Wh) of the battery discharged at a current of 1I1(A) until the battery reaches the cut-off voltage at room temperature
[GB/T 31486-2015, definition 3.4]

3.10
initial capacity
capacity (Ah) of the newly-manufactured battery system discharged to the discharge termination condition specified by the enterprise at a current of 1I1(A) after the battery is fully charged at room temperature
Note: It is derived from definition 3.5 of GB/T 31486-2015.

3.11
battery control unit (BCU)
electronic device controlling, managing, detecting, or calculating relevant electric and thermal parameters of the battery system and providing communication between the battery system and other vehicle controllers
[GB/T 31467.3-2015, definition 3.2]


3.12
state of charge (SOC)
percentage of current available capacity accounted in initial capacity
[GB/T 31484-2015, definition 3.9]

3.13
voltage class B electric circuits
electrical components or circuits with maximum working voltage greater than 30 V a.c.(rms) and less than or equal to 1 000 V a.c.(rms), or greater than 60 V d.c and less than or equal to 1 500 V d.c .
[GB/T 19596-2017, definition 3.1.3.2.19]

3.14
minimum monitor cell
the minimum battery unit managed by the battery management system

3.15
I3（A）
3h discharging current, which is equal to 1C/3(A)
Notes: 1C is 1h rated capacity (Ah)

3.16
I1（A）
1h discharging current, which is equal to 1C/(A)

4 Battery module model

4.1 Module model composition

See Table 1 for specifications and models of battery module. Making of an identification plate for battery module model.

Table 1 Specification and model composition of battery module

Specification model Code meaning
EM EMX1X2X3X4X5X6X7X8X9X10X11X12X13X14X15X16X17X18X19
EM Lithium-ion battery module
X1 Cathode material types of the battery
X2X3X4 Specification dimension of battery module Length of battery module (mm)
X5X6X7 Width of battery module (mm)
X8X9X10 Height of battery module (mm)
X11X12X13 Mass of battery module (kg)
X14X15X16 Energy of battery module (kWh)
X17X18X19 Rated voltage value of battery module (V)

4.2 Designation method of battery module model

4.2.1 Battery module code EM
The code of lithium-ion battery module for electric motorcycles and electric mopeds is represented by two capital English letters E and M.

4.2.2 Type code X1 of battery cathode materials

The type code of a battery cathode material is represented by an English capital letter, as shown in Table 2. For the multi-component mixed material system, the material component with the largest content is used for coding.

Foreword I
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Battery module model
5 Battery system requirements
6 Test methods
7 Identification
8 Packaging, transport and storage
Annex A (Informative) Battery module overall dimensions and specification series
Annex B (Informative) Typical structure of the battery system
Annex C (Informative) Battery Control Unit (BCU) CAN Communication Protocol
Annex D (Informative) Control line connector
Bibliography