Standard No.:	GB/T 47591-2026
English Name:	Road vehicle—Information for plates, labels and electronic identifications of traction batteries
Chinese Name:	道路车辆 动力蓄电池产品标牌标签及电子标识的信息
Chinese Classification:	T47    New energy vehicle and other automobiles
Professional Classification:	GB    National Standard
Source Content Issued by:	SAMR, SAC
Issued on:	2026-04-30
Implemented on:	2026-4-30
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	10500 words
Translation Price(USD):	315.0
Delivery:	via email in 1~5 business day

GB/T 47591-2026 Road vehicle—Information for plates, labels and electronic identifications of traction batteries English, Anglais, Englisch, Inglés, えいご This is a draft translation for reference among interesting stakeholders. The finalized translation (passing through draft translation, self-check, revision and verification) will be delivered upon being ordered. ICS CCS National Standard of the People's Republic of China ‌GB/T 47591-2026 Road vehicle - Information for plates, labels and electronic identifications of traction batteries 道路车辆 动力蓄电池产品标牌标签及电子标识的信息 Issue date: 2026-04-30 Implementation date: 2026-04-30 Issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China the Standardization Administration of the People's Republic of China Contents Foreword Introduction 1 Scope 2 Normative References 3 Terms and Definitions 4 Abbreviations 5 General Provisions 6 Overall Yield 7 Comprehensive Energy Consumption 8 Comprehensive Workshop Utilisation Rate 9 ErrorProofing and Traceability 9.1 General Requirements 9.2 ErrorProofing 9.3 Traceability 10 Technical Cleanliness 11 Electrode Processing 11.1 General Requirements 11.2 Slurry Preparation 11.3 Coating 11.4 Electrode Preparation 12 Winding/Stacking Assembly 12.1 Winding/Stacking 12.2 Forming 12.3 Tab Ultrasonic Welding 12.4 Current Interrupter Tab Laser Welding 12.5 Insulating Film Wrapping 12.6 Housing and Cover Laser Welding 12.7 Top and Side Sealing 12.8 Cell Baking 12.9 Electrolyte Filling 12.10 Soaking 12.11 Formation 12.12 Sealing 13 Finished Product Testing 13.1 Capacity 13.2 Can Voltage 13.3 SelfDischarge 13.4 AC Internal Resistance 13.5 Insulation Resistance 13.6 Shipment Voltage 13.7 Dimensions 13.8 NonDestructive Testing 13.9 Weight 13.10 Appearance Bibliography Quality management of lithium ion battery manufacturing — Part 3: Cell process control and product testing 1 Scope This document specifies the requirements for general provisions, overall yield, comprehensive energy consumption, comprehensive workshop utilisation rate, errorproofing and traceability, technical cleanliness, electrode processing, winding/stacking assembly and finished product testing during the manufacturing process of lithium ion cells. This document applies to the manufacturing process quality management of power, energy storage and consumer type lithium ion cell production enterprises. 2 Normative References The following documents are essential for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies. GB/T 2589 General rules for calculation of comprehensive energy consumption GB/T 34014 Coding rules of traction battery for electric vehicles GB/T 45565 Lithium ion battery coding rules GB 50073-2013 Code for design of clean workshop 3 Terms and Definitions The following terms and definitions apply to this document. 3.1 lithium ion cell A rechargeable device that relies on the movement of lithium ions between the positive and negative electrodes to achieve the conversion between chemical energy and electrical energy. NOTE 1: Includes electrodes, a separator, electrolyte, a container and terminals. NOTE 2: A lithium ion cell is also commonly referred to as a “cell”. 3.2 errorproofing An engineering and management method that, through design measures or procedural controls, prevents product or system errors, defects or accidents caused by human oversight, operational mistakes or unintentional actions at the source. 3.3 weight loss ratio NOTE 1: An indicator characterising the degree of electrode drying. Weight loss ratio = (1 – weight of electrode after drying / weight of electrode before drying) × 100 %. NOTE 2: “Before drying” refers to the electrode after coating and after passing through the oven. The weight loss ratio is tested on the electrode before drying. 3.4 bare cell A semifinished product assembled from positive and negative electrodes and separator sheets according to specified requirements by winding or stacking. 3.5 forming The process of applying pressure to a bare cell to achieve a predetermined size and shape. 4 Abbreviations The following abbreviations apply to this document. BEV: Battery Electric Vehicle CCD: Chargecoupled Device COV: Coefficient of Variation, COV = (sample standard deviation / sample mean) × 100 % FS: Full Scale HEV: Hybrid Electric Vehicle PHEV: Plugin Hybrid Electric Vehicle %P/T: Percentage of Tolerance (ratio of measurement system variation to product specification tolerance range) 5 General Provisions 5.1 According to the overall yield level, comprehensive energy consumption level, comprehensive workshop utilisation rate, and semifinished/finished product performance indicators (such as magnetic foreign matter content, coating front/back misalignment, electrode coating surface density uniformity, electrode thickness deviation, capacity uniformity, etc.) in the lithium ion cell manufacturing process, these are classified, based on the current industry level, into Limit Value (Grade C), Target Value (Grade B) and Advanced Value (Grade A). Lithium ion cell manufacturing enterprises shall at least meet the requirements of Grade C. 5.2 An enterprise shall continuously control the lithium ion cell manufacturing level (including but not limited to the indicators listed in 5.1), systematically errorproof key parameters and materials throughout the manufacturing process, and achieve full lifecycle traceability of products. 5.3 The scope of application of key indicators in the lithium ion cell manufacturing process is given in Table 1. 5.4 For other types of cells, the power/energy storage items or consumer items shall be selected according to the process. 6 Overall Yield An enterprise shall monitor the yield of each process step and the overall yield. The overall yield shall meet the requirements of Table 2. a) The process steps included in the overall yield statistics are: electrode processing (coating, electrode preparation), winding/stacking, forming, tab welding, current interrupter tab welding, housing and cover welding or sealing, cell baking, electrolyte filling, soaking, formation and finished product testing. The overall yield shall be collected using an automated system to reduce human error. b) The overall yield statistics shall be collected during stable mass production, with a statistical quantity not less than 70 % of the daily design capacity, or 60 days after production starts. NOTE: This clause applies to power type lithium ion battery enterprises. Energy storage and consumer type lithium ion battery enterprises may refer to this clause based on their actual situation. 7 Comprehensive Energy Consumption The scope of comprehensive energy consumption statistics for lithium ion cells and the calculation method shall meet the requirements of GB/T 2589. The comprehensive energy consumption specifications for lithium ion cells shall meet the requirements of Table 3. NOTE: This clause applies to power type lithium ion battery enterprises. Energy storage and consumer type lithium ion battery enterprises may refer to this clause based on their actual situation. 8 Comprehensive Workshop Utilisation Rate The workshop (lithium ion cell production area) shall be reasonably designed, laid out and used according to the characteristics of the cells being produced and the process flow requirements, to ensure reasonable utilisation of the workshop. The specification requirements for the floor area per design annual GW·h output shall meet the requirements of Table 4. NOTE: This clause applies to power type lithium ion battery enterprises. Energy storage and consumer type lithium ion battery enterprises may refer to this clause based on their actual situation. 9 ErrorProofing and Traceability 9.1 General requirements An enterprise shall establish an errorproofing and traceability system, identify all materials (including battery materials, semifinished materials and finished products) and their statuses, prevent mixups and misuse of materials from battery material receipt throughout the entire manufacturing process, and achieve full lifecycle traceability of products through appropriate data storage. To ensure the reliability of errorproofing and traceability, material identification codes shall meet the following requirements: a) The coding rules for battery material and semifinished material identification codes shall be clearly defined according to the enterprise‘s requirements and shall be unique; b) The coding rules for finished product identification codes shall meet the coding requirements of standards such as GB/T 34014 or GB/T 45565.