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This document is developed in accordance with the rules given in GB/T 1.1-2020 Directives for standardization—Part 1: Rules for the structure and drafting of standardizing documents.
This document was proposed and is under the jurisdiction of the National Technical Committee of Auto Standardization (SAC/TC 114).
This document is issued for the first time.
Recycling of traction battery used in electric vehicle— Specifications for secondary cell disassembly
1 Scope
This document specifies the terms and definitions, general requirements, operation requirements, storage and management requirements and environmental protection requirements for secondary cell disassembly of traction battery used in electric vehicle.
This document is applicable to disassembly of the secondary Li-ion cell used in decommissioned vehicle.
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 2900.41 Electrotechnical terminology — Primary and secondary cells and batteries
GB 8978 Integrated wastewater discharge standard
GB/T 11651 Code of practice for selection of personal protective equipments
GB 12348 Emission standard for industrial enterprises noise at boundary
GB 16297 Comprehensive emission standard of air pollutants
GB 18597 Standard for pollution control on hazardous waste storage
GB 18599 Standard for pollution control on the non-hazardous industrial solid waste storage and landfill
GB/T 19596 Terminology of electric vehicles
GB/T 26989 Automobile recovery—Terminology
GB/T 33598 Recycling of traction battery used in electric vehicle—Dismantling specification
GB/T 33598.2 Recycling of traction battery used in electric vehicle—Recycling—Part 2: Materials recycling requirements
GB/T 45001 Occupational health and safety management systems—Requirements with guidance for use
HJ 610 Technical guidelines for environmental impact assessment — Groundwater environment
HJ 2025 Technical specifications for collection, storage, transportation of hazardous waste
HG/T 5815 Technical specification for chemical discharge of waste batteries
HG/T 5816 Technical specification for pyrolysis process of waste batteries recovery
WB/T 1061 Management specification for waste secondary battery recycling
YS/T 1174 Technical specification for crush and sorting waste battery
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 2900.41, GB/T 26989, GB/T 19596 and GB/T 33598 as well as the following apply.
3.1
secondary cell
basic unit device that converts the chemical energy and electric energy mutually, generally including electrode, diaphragm, electrolyte, housing and terminal, and is also designed to be rechargeable
[Source: GB/T 19596-2017, 3.3.2.1.1, modified]
3.2
secondary cell disassembly
disassembly of the decommissioned traction secondary cell
[Source: GB/T 33598-2017, 3.1, modified]
3.3
jelly roll
internal components after removing shell and cover plate of the secondary cell, etc., mainly composed of positive and negative plates, diaphragms and electrolyte
3.4
powder of battery material
powder composed of one or more valuable components such as lithium, nickel, cobalt, manganese, iron and graphite obtaining from the disassembly of secondary cell
3.5
separation rate of jelly roll
percentage of the number of secondary cells with jelly roll completely separated in that of secondary cells put into the separation system
4 General requirements
4.1 General
4.1.1 The disassembly enterprise shall formulate disassembly operation procedures or operation instructions according to the disassembly information provided by automobile manufacturers.
4.1.2 Disassembly and separation operations shall not be carried out manually or in open air.
4.1.3 Information acquisition and traceability management shall be carried out for secondary cell (hereinafter referred to as "cell") before disassembly.
4.2 Site requirements
4.2.1 The disassembly site shall be a closed or semi-closed building, and be ventilated, dry and well lit.
4.2.2 The disassembly and storage sites shall be equipped with safety protection and environmental protection facilities, including but not limited to:
a) firefighting facilities such as sandboxes, fire hydrants, carbon dioxide extinguishers, etc.;
b) alarm facilities;
c) emergency facilities;
d) monitoring facilities;
e) exhaust gas collection/processing facilities;
f) waste liquid collection/processing facilities.
4.2.3 The ground of the disassembly and storage site shall be hardened and protected from seepage according to the requirements specified in HJ 610.
4.2.4 The general solid waste storage site and the hazardous waste storage site shall comply with the requirements of GB 18599 and GB 18597 respectively.
4.3 Equipment requirements
4.3.1 It shall be capable of cells cutting, separation, crushing and sorting.
4.3.2 It shall be able to process cells of different specifications and sizes.
4.3.3 The product separation and collection process shall be in closed form or equipped with negative pressure gas gathering device.
4.3.4 Cell positioning, voltage detection, automatic fixation, precise disassembly, product separation and collection, fault early warning, emergency stop of accidents, fire prevention and explosion prevention, etc. should be provided.
4.3.5 Open flame cutting processes such as oxyacetylene flame shall not be used to cut cells.
4.4 Personnel requirements
4.4.1 They shall wear and use protective equipment according to GB/T 11651, including but not limited to protective gloves, safety helmets, overalls, goggles, labor shoes.
4.4.2 They shall be familiar with and master the disassembly operation process, pass the professional training in standardized operation, safety and environmental protection and emergency processing, and take up the post after passing the examination.
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
5 Operation requirements
6 Storage and management requirements
7 Safety and environmental protection requirements
