T/DZJN 66-2021 Active Group standards

T/DZJN 66-2021 Technical requirements for autonomous electric vehicle battery guide vehicles using the used battery pool system

Publish Date: 2021-12-22 Implement Date: 2022-01-28 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/DZJN 66-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Computer

ICS Name: Recycling

Publish Date: 2021-12-22

Implement Date: 2022-01-28

Scope

Main Technical Content: 4 Technical Requirements 4.1 General Requirements 4.1.1 Appearance Requirements - The appearance of the battery pack should be free from deformation and cracks. The surface should be dry, smooth, free from contaminants, scratches, burrs, or other mechanical damage, and exposed metal parts should not show rust. The surface must have clear markings and warning instructions. 4.1.2 Interface Requirements - The output and input interfaces of the battery or battery pack should be clearly specified in the battery or battery pack manual, and the interfaces should be neat, well-formed, free from damage, and deformation. Markings should be attached to the interfaces, and they should comply with the provisions of Clause 5.1.1 regarding markings. 4.1.3 Consistency Requirements - The consistency of the battery cells in the battery pack should meet the following requirements: - The difference in fully discharged capacity at 100% DOD of the battery cells in the battery pack should be ≤5% - The voltage difference between battery cells at 50% SOC should not exceed ±50 mV - The internal resistance during DC discharge at 50% SOC of the battery cells in the battery pack should not exceed 1.5 times the factory value - The voltage attenuation at 100% SOC of the battery cells in the battery pack should be ≤0.2%/day 4.2 General Test Conditions 4.2.1 Test Conditions and Requirements 4.2.1.1 Environmental Conditions - The test environment should meet the following requirements: - Unless otherwise specified, the test should be conducted in an environment with a relative humidity of 15% to 90%, an atmospheric pressure of 86 kPa to 106 kPa, and a temperature of (25 ± 2) °C. - The test site should have comprehensive fire-fighting and emergency response measures. - Test personnel should be equipped with personal protective gear. 4.2.1.2 Test Devices - For all control or measurement values, the accuracy relative to