T/GZBC 29-2020 in English

Specification of battery electric passenger cars in subtropical damp-heat climate

1 Scope

This standard specifies the technical requirements, test methods and inspection rules for the adaptability of battery electric passenger cars to subtropical damp-heat climate.

This standard is only applicable to the battery electric passenger cars, and may be referred to by plug-in (including range-extended) hybrid passenger cars and fuel cell passenger cars.

Note: New energy vehicles generally refer to battery electric vehicles, plug-in (including range-extended) hybrid electric vehicles and fuel cell electric vehicles listed in the Catalogue of recommended models for demonstration, promotion and application of energy-efficient and new energy vehicles of the Ministry of Industry and Information Technology of the People's Republic of China.

2 Normative references

The following referenced documents are indispensable for the application of this document. For dated reference, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

GB/T 2423.2 Environmental testing for electric and electronic products - Part 2: Test methods - Tests B: Dry heat
GB/T 4208 Degrees of protection provided by enclosure (IP code)
GB/T 4942.1 Degrees of protection provided by the integral design of rotating electrical machines (IP code) - Classification
GB/T 18488.1-2015 Drive motor system for electric vehicles - Part 1: Specification
GB/T 19596 Terminology of electric vehicles
GB/T 22068-2018 Electrically driven compressor assembly for automobile air conditioning
GB/T 31467.2-2015 Lithium-ion traction battery pack and system for electric vehicles - Part 2: Test specification for high energy applications
GB/T 31467.3-2015 Lithium-ion traction battery pack and system for electric vehicles - Part 3: Safety requirements and test methods
QC/T 728-2005 Road vehicle - Test method of exposure to weathering
IEC 62660-2-2010 Secondary lithium-ion cells for the propulsion of electric road vehicles - Part 2: Reliability and abuse testing


3 Terms and definitions

For the purposes of this document, the terms and definitions given in GB/T 19596 apply.

4 Technical requirements

4.1 Design and manufacturing

4.1.1 Product consistency

The configuration and technical status of battery electric passenger car products produced and sold shall be consistent with those of products that have passed the Road motor vehicle manufacturers and products announcement and the Catalogue of recommended models for promotion and application of new energy vehicles.

4.1.2 Exclusive electric vehicle platform

The battery electric passenger cars shall be developed and produced on exclusive electric vehicle platforms, with scientific and reasonable overall structure and layout design, for the purpose of safe and reliable use in subtropical damp-heat climate.

4.1.3 Independent intellectual property rights

The related core parts and components of battery electric passenger cars shall have independent intellectual property rights in China. The manufacturers of these core parts and components shall be registered in China and master the core technologies of these components. The supply chain system shall be conducive to promoting localized manufacturing.

4.2 Change rate of DC charging time at 40℃

When tested as specified in 5.2, the change rate of DC charging time at 40℃ shall not be greater than 20%.

Foreword II
Introduction III
1 Scope
2 Normative references
3 Terms and definitions
4 Technical requirements
5 Test methods
6 Inspection rules
Bibliography