Standard No.:	GB 38031-2025
English Name:	Electric vehicles traction battery safety requirements
Chinese Name:	电动汽车用动力蓄电池安全要求
Chinese Classification:	T47    New energy vehicle and other automobiles
Professional Classification:	GB    National Standard
ICS Classification:	43.12 43.12    Electric road vehicles 43.12
Source Content Issued by:	SAMR; SAC
Issued on:	2025-3-28
Implemented on:	2026-7-1
Status:	valid
Superseding:	GB 38031-2020 Electric vehicles traction battery safety requirements
Target Language:	English
File Format:	PDF
Word Count:	26000 words
Translation Price(USD):	1040.0
Delivery:	via email in 1~5 business day

本文件规定了电动汽车用动力蓄电池（以下简称“电池”)单体、电池包或系统的安全要求，描述了相应的试验方法。本文件适用于电动汽车用动力蓄电池。

Foreword i Introduction iv 1 Scope 2 Normative references 3 Terms and definitions 4 Symbols and abbreviations 4.1 Symbols 4.2 Abbreviations 5 Safety requirements 5.1 Safety requirements for battery cell 5.2 Safety requirements for battery pack or system 6 Test conditions 6.1 General conditions 6.2 Accuracy of measuring apparatuses and meters 6.3 Error in test process 6.4 Data recording and its interval 7 Test preparation 7.1 Test preparation of battery cell 7.2 Test preparation for battery pack or system 8 Test methods 8.1 Test methods for battery cell safety 8.2 Safety test methods for battery pack or system 9 Judgment of the same type 10 Implementation of this standard Annex A (Informative) Examples for typical structure of battery pack and system Annex B (Normative) Test method for insulation resistance of battery pack or system Annex C (Normative) Thermal propagation analysis and verification report Bibliography