Lithium ion battery for electrical energy storage
1 Scope
This document specifies the requirements for the appearance, size and quality, electrical performance, environmental adaptability, durability and safety performance of lithium ion batteries for electrical energy storage (hereinafter referred to as "lithium ion batteries"), describes the corresponding test methods, and specifies the coding, normal operating environment, inspection rules, marking, packaging, transportation and storage, etc.
This document is applicable to the design, manufacture, test, detection, operation, maintenance and overhaul of lithium ion batteries for electrical energy storage.
2 Normative references
The following documents contain requirements 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 191 Packaging - Pictorial marking for handling of goods
GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 4857 (all parts) Packaging - Transport packages
GB/T 5398 Test methods for large transport packages
GB/T 16471 Dimensional and weight constraints for transport package
DL/T 2528 Fundamental vocabulary for electrical energy storage
3 Terms, definitions and symbols
3.1 Terms and definitions
For the purposes of this document, the terms and definitions given in DL/T 2528 and the following apply.
3.1.1
rated power charging-discharging cycles
guaranteed number of cycles when a battery is charged and discharged at rated power under specified conditions until its charging and discharging energy decays to the rated charging and discharging energy
3.1.2
nominal voltage of battery
voltage value that marks or identifies a kind of battery
3.1.3
initialized charging
process that a battery is discharged to the discharging cut-off condition and then charged to the charging cut-off condition under specified conditions
3.1.4
initialized discharging
process that a battery is charged to the charging cut-off condition and then discharged to the discharging cut-off condition under specified conditions
3.1.5
rate charging and discharging
process of charging and discharging a battery with a power value higher than the rated power under specified conditions
4 Coding
The coding rules for the lithium ion batteries for electrical energy storage are shown in Figure 1:
Foreword I
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Coding
5 Technical requirements
6 Test methods
7 Inspection rules
8 Marking, packaging, transportation and storage
Annex A (Normative) Battery operating parameters
Annex B (Informative) Battery specifications
