GB/T 18333.2-2015Zinc-air batteries for electric road vehicle (English PDF)

Foreword

This Standard was drafted in accordance with the rules specified in GB/T

1.1-2009.

This Standard replaces GB/Z 18333.2-2001 Zinc-air batteries for electric road

vehicle. As compared with GB/Z 18333.2-2001, besides the editorial changes,

the main technical changes are as the follows.

- MODIFY the applicable scope of this Standard;

- MODIFY the test object and the corresponding test items; as for the cell, it

mainly assesses the safety performance; as for the module, it assesses

the electrical performance and safety performance;

- ADD the I5 detection capacity, I3 detection power characteristics, high &

low temperature discharge capacity, charge retention, and battery

repetitiveness after replacing the negative electrode and the electrolyte;

- ADD the safety performance requirements and test methods of the cell

(see 5.1.10 and 6.2.10);

- ADD battery module, appearance, polarity, dimension and mass,

pourability, discharge performance, safety performance, vibration

resistance requirements and test methods (see 5.2 and 6.3);

- MODIFY the service life requirements and test methods for the air cathode

(see 5.1.9 and 6.2.9).

This standard was proposed by the Ministry of Industry and Information

Technology.

This standard shall be under the jurisdiction of National Automotive

Standardization Technical Committee (SAC/TC 114).

The drafting organizations of this Standard. Wuhan Hongyuan Weili New

Energy Technology Co., Ltd., Dongfeng Yangtse (Wuhan) Co., Ltd., Tianjin

University, China Electronics Technology Group Corporation 18th Research

Institute, China Automotive Technology Research Center.

1 Scope

This standard specifies the terms and definitions, symbols, requirements, test

methods, inspection rules, marks, packaging, transport and storage of the

zinc-air batteries for electric vehicles (abbreviated as battery).

This standard applies to the zinc-air battery used for the electric vehicles which

are supplemented energy through mechanical switching methods.

2 Normative references

The following documents are essential to the application of this document. For

the dated documents, only the versions with the dates indicated are applicable

to this document; for the undated documents, only the latest version (including

all the amendments) are applicable to this Standard.

GB/T 2423.17-2008 Environmental testing for electric and electronic

products – Part 2. Test method – Test Ka. Salt mist (IEC 60068-2-11. 1981,

IDT)

GB/T 2900.41 Electrotechnical terminology – Primary and secondary cells

and batteries [IEC 60050 (482). 2003, IDT]

GB/T 19596 Terminology of electric vehicles

3 Terms and definitions

The terms and definitions as defined in GB/T 2900.41 and GB/T 19596 as well

as those shown below are applicable to this document.

3.1

Zinc air battery

It is a device which uses the oxygen in the air as the cathode active

substance, the zinc as the anode active substance, the alkaline solution as

electrolyte, so as to convert the chemical energy into electrical energy.

3.2

Mechanical switching zinc air battery

It refers to the zinc air battery which realizes energy supplementation

through mechanically replacing the zinc electrode and electrolyte.

3.3

Cell

It refers to a basic unit device which directly converts the chemical energy

into electrical energy. It is composed of electrode, diaphragm, electrolyte,

housing and terminal; AND meanwhile it has multiple energy replenishment

process design.

3.4

Module

It refers an assembly which combines more than one cell through series

connection, parallel connection, and series & parallel combined connection,

only has one pair of positive & negative output terminals, AND is used as a

power supply. It is allowed for this assembly to be with an electronic control

system.

3.5

Rated capacity

It is the energy (Wh) discharged by the cell under room temperature at I5 (A)

current until reaching to the final voltage, which is supplied by the enterprise,

hereinafter shortly referred to as the rated capacity.

4 Symbol

The following symbols apply to this document.

C5 – The 5-hour rated capacity, in the unit of ampere hour (Ah);

C5' – The 5-hour actual capacity after standing for 7 days, in the unit of

ampere hour (Ah);

I5 – The 5-hour rate discharge current, its value is equal to C5/5, in the unit

of ampere (A);

I3 – The 3-hour rate discharge current, its value is equal to C3/3, in the unit

of ampere (A);

It shall conduct test within 1 month after the zinc electrode is fabricated. Before

test, all the battery cases shall be injected of electrolyte solution, AND be

standing for over 24 hours. In all the soaked battery cases, RE-INJECT new

electrolyte solution, and PLACE in the zinc electrode to be tested, which form

the cell or module test sample, AND it shall be under full charge state.