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| Standard ID | GB/T 36280-2023 (GB/T36280-2023) | | Description (Translated English) | Lead carbon battery for electrical energy storage | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | F19 | | Classification of International Standard | 27.180 | | Word Count Estimation | 38,359 | | Date of Issue | 2023-12-28 | | Date of Implementation | 2024-07-01 | | Older Standard (superseded by this standard) | GB/T 36280-2018 | | Issuing agency(ies) | State Administration for Market Regulation, National Standardization Administration |
GB/T 36280-2023: Lead-carbon batteries for electric energy storage
ICS 27:180
CCSF19
National Standards of People's Republic of China
Replace GB/T 36280-2018
Lead-carbon batteries for power storage
Published on 2023-12-28
2024-07-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Table of contents
PrefaceⅠ
1 range 1
2 Normative references 1
3 Terms, definitions and symbols 1
4 encoding 2
5 Technical requirements 3
6 Test methods 7
7 Inspection Rules 24
8 Marking, packaging, transportation and storage29
Appendix A (informative) Battery specification parameter table 31
Appendix B (Normative) Battery operating parameter table 34
Preface
This document complies with the provisions of GB/T 1:1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents"
Drafting:
This document replaces GB/T 36280-2018 "Lead-carbon batteries for electric energy storage": Compared with GB/T 36280-2018, except for structural adjustments
In addition to editorial changes, the main technical changes are as follows:
---Changed the scope of application of the document (see Chapter 1, Chapter 1 of the:2018 edition);
---Deleted the duplicate content in terms and definitions with DL/T 2528 (see 3:1, 3:1 of the:2018 version);
---Changed the content of the symbol (see 3:2,:2018 version of 3:2);
---Changed "Specification" to "Encoding" and changed the encoding rules (see Chapter 4, Chapter 4 of the:2018 edition);
---Added "power characteristics" (see 5:3:2), "rate charge and discharge performance" (see 5:3:3), "high altitude initial charge and discharge performance" (see
5:4:3), "short circuit performance" (see 5:6:1:3), "salt spray performance" (see 5:6:2:1), "alternating heat and humidity performance" (see 5:6:2:2), "high sea
"Insulation performance" (see 5:6:2:3), "High altitude voltage resistance performance" (see 5:6:2:4);
---Changed "initial charge and discharge energy" to "initial charge and discharge performance" and changed the technical requirements (see 5:3:1,:2018 version
5:1:1:4);
---Changed "energy retention capability" to "energy retention and energy recovery capability", changed the technical requirements, and deleted "energy retention capability"
"Strength" technical requirements (see 5:3:4, 5:1:1:7 of the:2018 version);
---Changed "high temperature charge and discharge performance" to "high temperature adaptability" and changed the technical requirements (see 5:4:1, 5:1:1:6 of the:2018 version);
---Changed "low temperature charge and discharge performance" to "low temperature adaptability" and changed the technical requirements (see 5:4:2, 5:1:1:5 of the:2018 version);
---Changed "resistance to mechanical damage" to "drop performance" and changed the corresponding technical requirements (see 5:6:1:6,:2018 version
5:2:1:5);
---Change "gas evolution amount" to "gas evolution rate" (see 5:6:1:7, 5:2:1:7 of the:2018 version), and change the technical requirements;
---Changed "Consistency" (see 5:3:5, 5:1:2:5 of the:2018 version), "Cycle Performance" (see 5:5, 5:3 of the:2018 version) and "Overcharge"
"Performance" (see 5:6:1:1, 5:2:1:1 of the:2018 edition), "over-discharge performance" (see 5:6:1:2, 5:2:1:2 of the:2018 edition) technology
Require;
---Deleted the "high power discharge" technical requirements (see 5:2:1:8 of the:2018 version);
---Deleted "ground short circuit resistance" (see 5:2:1:4 of the:2018 version);
---Deleted the "battery management system monitoring and alarm protection function" (see 5:2:3:3 of the:2018 version);
---Change "Appendix A (Normative Appendix) Test Method" to "6 Test Method" (see Chapter 6, Appendix A of the:2018 version);
---Change "test device" to "test equipment" and change the test equipment requirements (see 6:1:2, Appendix A:1:2 of the:2018 version);
---Changed the "Initial charge and discharge performance test" (see 6:4:1, A:2:3 of the:2018 version), "Energy retention and recovery ability test" (see
6:4:4, A:2:6 of the:2018 edition), “High temperature adaptability test” (see 6:5:1, A:2:5 of the:2018 edition), “Low temperature adaptability test”
"Test" (see 6:5:2, A:2:4 of the:2018 edition), "Cycle performance test" (see 6:6, A:2:17 of the:2018 edition), "Overcharge
"Over-discharge performance test" (see 6:7:1:1, A:2:7 of the:2018 edition), "Over-discharge performance test" (see 6:7:1:2, A:2:8 of the:2018 edition),
"Insulation performance test" (see 6:7:1:4, A:3:4 of the:2018 edition), "Withstand voltage performance test" (see 6:7:1:5, A:3:4 of the:2018 edition)
A:3:5), "Gas evolution rate test" (see 6:7:1:7, A:2:13 of the:2018 edition) test method, "Explosion-proof capability test"
(See 6:7:1:8, A:2:16 of the:2018 edition), "Thermal runaway susceptibility test" (see 6:7:3:1, A:2:12 of the:2018 edition);
---Added "power characteristic test" (see 6:4:2), "rate charge and discharge performance test" (see 6:4:3), "high altitude initial charge and discharge performance"
"Performance test" (see 6:5:3), "Short circuit performance test" (see 6:7:1:3), "Salt spray performance test" (see 6:7:2:1), "Alternating heat and humidity test"
"High-altitude insulation performance test" (see 6:7:2:2), "High-altitude insulation performance test" (see 6:7:2:3), "High-altitude voltage withstand performance test" (see
6:7:2:4);
---Deleted "ground short circuit resistance test" (see A:2:10 of the:2018 version);
---Deleted the test method of "high power discharge test" (see A:2:14 of the:2018 version);
---Deleted "Battery management system monitoring function inspection" (see A:4:6 of the:2018 version) and "Overvoltage charging alarm protection function test"
(See A:4:7 of the:2018 edition), "Overcurrent charging alarm protection function test" (See A:4:8 of the:2018 edition), "Undervoltage discharge alarm
"Alarm protection function test" (see A:4:9 of the:2018 edition), "Overcurrent discharge alarm protection function test" (see the:2018 edition of
A:4:10), "Over-temperature alarm protection function test" (see:2018 version of A:4:11), "Short-circuit protection function test" (see:2018 version of A:4:11)
A:4:12 of the:2018 version), "Communication function check" (see A:4:13 of the:2018 version);
---Changed the rules for "factory inspection" (see 7:2, 6:2 of the:2018 edition);
---Change "type test" to "type inspection" and change the rules (see 7:3, 6:3 of the:2018 version);
--- Added rules for "sampling inspection" (see 7:4);
---Changed "marking" (see 8:1, 7:1 of the:2018 edition), "packaging" (see 8:2, 7:2 of the:2018 edition), and "transportation" (see 8:3,:2018 edition
7:3 of the:2018 edition) and "storage" (see 8:4, 7:4 of the:2018 edition) requirements:
Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents:
This document is proposed by the China Electricity Council:
This document is under the jurisdiction of the National Electric Power Storage Standardization Technical Committee (SAC/TC550):
This document was drafted by: Zhejiang Nandu Power Supply Co:, Ltd:, China Electric Power Research Institute Co:, Ltd:, Zhejiang Huayun Cleaning
Energy Co:, Ltd:, China Southern Power Grid Electric Power Technology Co:, Ltd:, State Grid Hunan Electric Power Co:, Ltd: Electric Power Research Institute, Tianneng Battery
Group Co:, Ltd:, State Grid Zhejiang Electric Power Co:, Ltd: Electric Power Research Institute, Zhejiang Chaowei Yuanli Energy Co:, Ltd:, Shuangdeng Group
Co:, Ltd:, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Shandong Sacred Sun Power Supply Co:, Ltd:
The main drafters of this document: Tan Jianguo, Yang Baofeng, Zhou Yufeng, Xiang Wenmin, Xu Junjie, Xu Song, Zhong Guobin, Zhang Xuesong, Yan Jingwang, Yuan Guanrui,
Xu Dongming, Tang Mingyue, Guan Yibiao, Zhang Hengshan, Hu Juan, Huidong, Hu Chen, Yin Zheng, Shen Shaoping, Mao Shuyan, Shang Xiaoli, Guo Cuijing, Dong Dong, Chen Lingyu,
Zhao Bo, Wan Tao, Wang Chao, Xu Kaiqi, Wang Jinsheng, Yang Shiyin, Huang Jian, Zheng Qiong:
The previous versions of this document and the documents it replaces are as follows:
---First published in:2018 as GB/T 36280-2018;
---This is the first revision:
Lead-carbon batteries for power storage
1 Scope
This document specifies the appearance, size and quality, electrical performance, environmental adaptability, cycle performance of lead-carbon batteries for power energy storage (referred to as "lead-carbon batteries"):
Performance, safety performance and other requirements, describe the corresponding test methods, stipulate coding, normal working environment, inspection rules, marking, packaging, transportation
and storage etc:
This document applies to the design, manufacturing, testing, inspection, operation, maintenance and overhaul of lead-carbon batteries for power energy storage:
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, the dated quotations
For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to
this document:
GB/T 191 Packaging, storage and transportation pictorial mark
GB/T 2408-2021 Horizontal and vertical methods for determination of combustion properties of plastics
GB/T 2828:1 Enumeration sampling inspection procedures Part 1: Batch-by-batch inspection sampling plan retrieved by acceptance quality limit (AQL)
GB/T 5398 Test methods for large transport packages
GB/T 16471 Transport packaging size and quality limits
DL/T 2528 Basic terminology of electric energy storage
3 Terms, definitions and symbols
3:1 Terms and definitions
The terms and definitions defined in DL/T 2528 and below apply to this document:
3:1:1
initializedcharginginitializedcharging
Under specified conditions, the battery is discharged to the discharge cut-off condition and then charged to the charge cut-off condition:
3:1:2
Under specified conditions, the battery is charged to the charging cut-off condition and then discharged to the discharge cut-off condition:
3:1:3
The process of charging and discharging the battery with a power value higher than the rated power under specified conditions:
3:1:4
Shell shell
Encapsulating components used to prevent the internal materials and components of the battery cell from direct contact with the outside:
3:1:5
fire
Continuous burning occurs in any part of the battery, excluding sparks, flashovers and arcing:
......
GB/T 36280-2018
Lead-carbon battery for electrical energy storage
ICS 27.180
F19
National Standards of People's Republic of China
Lead carbon battery for power storage
Published on.2018-06-07
2019-01-01 implementation
State market supervision and administration
China National Standardization Administration issued
Content
Foreword III
1 range 1
2 Normative references 1
3 Terms, definitions and symbols 1
4 Specifications 4
5 Technical requirements 4
6 Inspection rules 9
7 Marking, packaging, transport and storage 12
Appendix A (Normative Appendix) Test Method 14
Appendix B (informative) Test data record table 27
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
Please note that some of the contents of this document may involve patents. The issuing organization of this document is not responsible for identifying these patents.
This standard was proposed by the China Electricity Council.
This standard is under the jurisdiction of the National Electric Energy Storage Standardization Technical Committee (SAC/TC550).
This standard was drafted. China Electric Power Research Institute Co., Ltd., Zhejiang Nandu Power Power Co., Ltd., Shuangdeng Group
Co., Ltd., Guangdong Electric Power Grid Co., Ltd. Electric Power Research Institute, Chaowei Power Co., Ltd., Shandong Shengyang Power Co., Ltd., Jiang
Su Wah Fu Storage New Technology Co., Ltd.
The main drafters of this standard. Wu Xianzhang, Yang Baofeng, Tan Jianguo, Shen Haoyu, Sun Daqiang, Guan Yibiao, Hu Juan, Hui Dong, Zhong Guobin, Chen Jian,
Liu Xiaowei, Zhou Mingming, Zhang Nan, Zhu Fuqin, Liu Jialiang, Wu Zhanyu, Xue Kui, Zhu Minghai, Yin Zheng, Xu Dongming, Hu Chen, Wang Chao.
Lead carbon battery for power storage
1 Scope
This standard specifies the specifications, technical requirements, test methods and inspection rules of lead carbon batteries for power storage.
This standard applies to lead carbon batteries for power storage.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 191 packaging storage and transportation icon
GB/T 2408 Determination of the burning properties of plastics - Horizontal method and vertical method
GB/T 2828.1. Sampling and sampling procedures - Part 1 . Batch-to-batch sampling plan searched by the acceptance quality limit (AQL)
3 terms, definitions and symbols
3.1 Terms and definitions
The following terms and definitions apply to this document.
3.1.1
Lead carbon battery lead-carbonbattery
The positive electrode is a lead dioxide, the negative electrode is a lead carbon composite electrode, and the electrolyte is a sulfuric acid solution.
3.1.2
Battery cell cel
The basic unit for mutual conversion of chemical energy and electrical energy, including positive electrode, negative electrode, separator, electrolyte, battery cell, battery cover and pole
composition.
3.1.3
Battery cluster batterycluster
The battery cells are connected in series, in parallel or in series and parallel, and are connected to the energy storage converter and auxiliary facilities to achieve independent operation.
The battery assembly should also include components such as a battery management system, monitoring and protection circuits, electrical and communication interfaces.
3.1.4
Battery system
A combination of one or more battery clusters and their ancillary facilities connected to the DC side busbar of the energy storage converter, the auxiliary facilities mainly include but not
Restricted to the components and signs necessary for the combiner cabinet, monitoring cabinet, power distribution cabinet, etc.
3.1.5
Battery management system batterymanagementsystem
A device that monitors parameter information such as voltage, current, and temperature of a battery, and manages and controls the state of the battery.
3.1.6
Nominal voltage nominalvoltage
An appropriate voltage approximation used to identify or identify a battery or an electrochemical system.
3.1.7
Rated charging power ratedchargingpower
Under the specified test conditions and test methods, the battery can be operated continuously for a certain period of time, expressed in terms of Prcn.
3.1.8
Rated discharge power rateddischargingpower
Under the specified test conditions and test methods, the discharge power of the battery for a certain period of time can be expressed by Prdn.
3.1.9
Rated power ratedpower
Under the specified test conditions and test methods, the battery can work continuously for a certain period of time, including rated charging power, rated discharge
power.
3.1.10
Initialize charging initialcharge
The process of initializing the state of charge of the battery under specified test conditions and test methods.
3.1.11
Initialization discharge initialdischarge
The process of initializing the discharge state of the battery under specified test conditions and test methods.
3.1.12
Rated charging energy ratedchargingenergy
Under the specified test conditions and test methods, the battery that initializes the discharge is charged at the rated charging power to the charge termination voltage.
Energy, expressed in Ercn.
3.1.13
Rated discharge energy rateddischargingenergy
Under the specified test conditions and test methods, the discharge of the charged battery is discharged at the rated discharge power to the discharge termination voltage.
Energy, expressed in Erdn.
3.1.14
Initial charging energy initialchargingenergy
The charging energy measured by the battery under specified test conditions and test methods is indicated by Eicn.
3.1.15
Initial discharge energy initialdischargingenergy
The discharge energy measured by the battery under specified test conditions and test methods is indicated by Eidn.
3.1.16
Energy efficiency energyefficiency
The ratio of the discharge energy of the battery to the charging energy under specified test conditions and test methods is expressed as a percentage.
3.1.17
Energy retention rate retention rateofenergy
Under the specified test conditions and test methods, the charging energy and discharge energy of the battery are respectively related to the initial charging energy and the initial discharge energy.
Ratio, expressed as a percentage.
3.1.18
Fire
Any part of the battery that has a duration of more than 1 s of combustion, sparks and arcs are not burned.
3.1.19
Explosion explosion
The battery cover is broken, accompanied by severe noise, and the main components such as solid matter are ejected.
3.1.20
Leakage leakage
The internal liquid of the battery leaks to the outside of the battery compartment cover.
3.1.21
Gas evolution amount gasevolutionquantity
The amount of gas that the battery emits externally under overcharge conditions.
3.1.22
Explosion-proofability
Under normal over-charging conditions, the safety valve device prevents the external source of ignition from igniting internal gases.
3.1.23
Ground short circuit capability earthshortcircuitresistance
The ability of the battery to withstand the short-circuit current generated by the electrolyte propagation in a particular working direction.
3.1.24
Material flame retardant flameretardantabilityofmaterial
The ability of the battery plastic tank and cover to be burned by open flame.
3.1.25
Thermal runaway sensitivity sensitivityofthermalrunaway
The ability of the battery to sense charging current and temperature under normal overvoltage charging conditions.
3.1.26
Rated power cycle mode constantpowerprofile
The battery is charged and discharged at rated power in accordance with the charge and discharge procedure under specified conditions to the set operation mode of the charge and discharge termination voltage.
3.1.27
Rated power - constant voltage cycle mode constantpowerandconstantvoltageprofile
The battery is charged and discharged at rated power to the set charge and discharge termination voltage and charged at a constant voltage according to the charge and discharge procedure under specified conditions.
Operating mode.
3.2 symbol
The following symbols apply to this document.
n. The rated charge and discharge hour rate of the battery, the value of which is equal to the rated discharge energy/rated discharge power.
Η4. 4 hour rate rated power charge and discharge energy efficiency, %.
Erc4. rated charging energy at 4 hours, unit of battery cell is W·h, unit of battery cluster and battery system is kW·h or MW·h.
Erd4. rated discharge energy at 4 hours, unit of battery cell is W·h, unit of battery cluster and battery system is kW·h or MW·h.
Prc4. 4 hour rate rated charging power, the value is
4η4Erc4
The unit of the battery unit is W, and the unit of the battery cluster and the battery system is
kW or MW.
Prd4. 4 hour rate rated discharge power, the value is
4Erd4
The unit of the battery cell is W, and the unit of the battery cluster and battery system is kW.
Or MW.
Eic4. The initial charging energy is 4 hours, the unit of the battery cell is W·h, and the unit of the battery cluster and battery system is kW·h or MW·h.
Eid4. The initial discharge energy is 4 hours, the unit of the battery cell is W·h, and the unit of the battery cluster and battery system is kW·h or MW·h.
Ηn. n hour rate rated power charge and discharge energy efficiency, %.
Ercn. n hour rate rated charging energy, the unit of battery cell is W·h, the unit of battery cluster and battery system is kW·h or MW·h.
Erdn. n hour rate rated discharge energy, the unit of battery cell is W·h, the unit of battery cluster and battery system is kW·h or
MW·h.
Prcn. n hour rate rated charging power, the value is
nηnErcn
The unit of the battery unit is W, and the unit of the battery cluster and the battery system is
kW or MW.
Prdn. n hour rate rated discharge power, the value is
nErdn
The unit of the battery cell is W, and the unit of the battery cluster and battery system is kW.
Or MW.
Eicn. n hour rate initial charging energy, the unit of battery cell is W·h, the unit of battery cluster and battery system is kW·h or MW·h.
Eidn. n hour rate initial discharge energy, unit of battery cell is W·h, unit of battery cluster and battery system is kW·h or MW·h.
4 specifications
The specifications of lead carbon batteries for power storage shall be marked on the appearance or nameplate of the product in an easily recognizable and easily readable code or text form.
The identification of the grid shall comply with the following rules.
PbC-
Lead carbon battery
Class-
Product level (Cel/Cluster/System)
EES
Power storage
Prcn-
Rated charging power
Erdn-
Rated discharge power
Ercn-
Rated charging energy
Erdn
Rated discharge energy
Example 1.
Lead carbon battery unit, for power storage, nominal voltage 2V, rated charging power 250W, rated discharge power 250W, rated charging energy 1130W·h, amount
The fixed discharge energy is 1000 W·h, and the label is. PbC-Cel-EES2V-250W-250W-1130W·h-1000W·h.
Example 2.
Lead carbon battery cluster, for power storage, nominal voltage 640V, rated charging power 80kW, rated discharge power 80kW, rated charging energy 372kW·h,
The rated discharge energy is 320kW·h, which is labeled as. PbC-Cluster-EES640V-80kW-80kW-372kW·h-320kW·h.
Example 3.
Lead carbon battery system, for power storage, nominal voltage 640V, rated charging power 0.32MW, rated discharge power 0.32MW, rated charging energy 1.48MW
· h, rated discharge energy 1.28MW·h, identified as. PbC-System-EES640V-0.32MW-0.32MW-1.48MW·h-1.28MW·h.
5 Technical requirements
5.1 Electrical performance
5.1.1 Battery cells
5.1.1.1 Operating environment
The operating environment of the battery unit should meet the following requirements.
a) Ambient temperature. -20 ° C ~ 55 ° C, recommended 20 ° C ~ 25 ° C;
b) Relative humidity. ≤95%;
c) Atmospheric pressure. 86kPa~106kPa.
5.1.1.2 Appearance
The appearance should be free from deformation, liquid leakage and cracks. The surface should be dry, free from damage and dirt, and the markings such as specifications and warnings should be clear and correct.
5.1.1.3 Polarity
The terminal polarity identification should be correct and clear.
5.1.1.4 Initial charge and discharge energy
The initial charge and discharge energy of the battery cell should meet the following requirements.
a) the initial charging energy should not be less than the rated charging energy;
b) the initial discharge energy should not be less than the rated discharge energy;
c) Energy efficiency should not be less than 88%.
5.1.1.5 Low temperature charge and discharge performance
The low temperature charge and discharge performance of the battery cell should meet the following requirements.
a) The charging energy at 0 °C ± 2 °C temperature should not be less than 75% of the initial charging energy;
b) The discharge energy at 0 °C ± 2 °C should not be less than 80% of the initial discharge energy.
5.1.1.6 High temperature charge and discharge performance
The high temperature charge and discharge performance of the battery cell should meet the following requirements.
a) The charging energy at 45 ° C ± 2 ° C temperature should not be less than 96% of the initial charging energy;
b) The discharge energy at 45 °C ± 2 °C should not be less than 96% of the initial discharge energy.
5.1.1.7 Energy retention capability
5.1.1.7.1 Room temperature energy retention capacity
The holding energy of the battery cell at a temperature of 25 ° C ± 2 ° C should not be less than 95% of the initial discharge energy.
5.1.1.7.2 High temperature energy retention capability
The holding energy of the battery cell at a temperature of 45 ° C ± 2 ° C should not be less than 90% of the initial discharge energy.
5.1.2 Battery cluster
5.1.2.1 Operating environment
The battery cluster operating environment should meet the following requirements.
a) Ambient temperature. -20 ° C ~ 55 ° C, recommended 20 ° C ~ 25 ° C;
b) Relative humidity. ≤95%;
c) Atmospheric pressure. 86kPa~106kPa.
5.1.2.2 Appearance
Appearance should be free of deformation and cracks, the surface should be dry, no damage, no dirt, neatly arranged, reliable connection, and clear identification of specifications, warnings, etc.
correct.
5.1.2.3 Polarity
The terminal polarity identification should be correct and clear.
5.1.2.4 Initial charge and discharge energy
The initial charge and discharge energy of the battery cluster should meet the following requirements.
a) the initial charging energy should not be less than the rated charging energy;
b) the initial discharge energy should not be less than the rated discharge energy;
c) Energy efficiency should not be less than 86%.
5.1.2.5 Consistency
5.1.2.5.1 Voltage Consistency
The battery cluster voltage consistency should meet the following requirements.
a) When the battery cluster is open, the terminal voltage difference between the batteries should not exceed 30mV (2V), 100mV (12V);
b) When the battery cluster is discharged, the terminal voltage difference between the batteries should not exceed.200mV (2V) and 600mV (12V).
5.1.2.5.2 Temperature consistency
The temperature difference between the positive and negative column temperatures between the batteries during charging and discharging of the battery cluster shall not exceed 10 °C.
5.1.3 Battery System
5.1.3.1 Operating environment
The operating environment of the battery system should meet the following requirements.
a) Ambient temperature. -20 ° C ~ 55 ° C, recommended 20 ° C ~ 25 ° C;
b) Relative humidity. ≤95%;
c) Atmospheric pressure. 86kPa~106kPa.
5.1.3.2 Appearance
The appearance of equipment, parts and auxiliary facilities shall be free from deformation and cracks. The surface shall be dry, free from damage and dirt, and shall be arranged neatly and connected.
Rely on, and the specifications, warnings and other signs are clear and correct.
5.1.3.3 Polarity
The terminal polarity identification should be correct and clear.
5.1.3.4 Initial charge and discharge energy
The initial charge and discharge energy of the battery system should meet the following requirements.
a) the initial charging energy should not be less than the rated charging energy;
b) the initial discharge energy should not be less than the rated discharge energy;
c) Energy efficiency should not be less than 86%.
5.2 Security performance
5.2.1 Battery cells
5.2.1.1 Overcharge
The battery 0.25Prc4 power is continuously charged for 160h, and the battery should not bulge, ignite, explode or leak.
5.2.1.2 Overdischarge
The battery cell 0.8Prd4 power discharge for 30d, the battery should not bulge, fire, explosion, leakage.
5.2.1.3 Flame retardant ability
The battery compartment of the battery cell, the battery cover, and the protective cover of the connecting strip shall comply with the HB grade material in GB/T 2408 (horizontal level).
And the V-0 grade material (vertical grade) requirements, the battery cover of the battery with the steel shell and the flame retardance of the joint protection cover should be consistent with
Requirements for HB grade materials (horizontal grade) and V-0 grade materials (vertical grade) in GB/T 2408.
5.2.1.4 Resistance to grounding short circuit
The battery cells should not be corroded, burned, or carbonized.
5.2.1.5 Resistance to mechanical damage
The battery cell drops at the specified height, and the battery compartment should not be damaged or leaked.
5.2.1.6 Thermal runaway sensitivity
During the 168h battery cell constant voltage charging, the cell temperature is ≤60 °C, and the current growth rate is between 24h.
ΔI ≤ 50%.
5.2.1.7 Gas evolution
The average amount of gas released by the battery cells at a rated voltage of 20 ° C and a battery voltage of 1.2 times
Ge should be ≤5.1mL/(Wh·h) in the standard state.
5.2.1.8 High power discharge
After the battery cell 24Prd4 power discharge is finished, the battery terminals, poles and busbars should not be melted or blown, and the slots and covers should not be melted or
Deformation.
5.2.1.9 Explosion-proof capability
The battery cell will not burn or explode under normal use conditions, 0.4Prc4 power overcharged for 1h, when the affair is open fire, its internal is not
Burning or explosion should occur.
5.2.2 Battery cluster
5.2.2.1 Insulation performance
The insulation performance of each part of the battery cluster shall not be less than.2000 Ω/V.
5.2.2.2 Pressure resistance
There should be no insulation breakdown or flashover in the battery cluster.
5.2.3 Battery System
5.2.3.1 Insulation performance
The smaller value of the insulation performance of the battery system should not be less than 500Ω/V, and the insulation of the positive and negative interfaces respectively to the metal casing of the battery system.
Yes, the nominal voltage of the device should not be less than 500Ω/V.
5.2.3.2 Pressure resistance
The leakage current of the battery system should not exceed 1mA, and insulation breakdown or flashover should not occur.
5.2.3.3 Battery Management System Monitoring and Alarm Protection
5.2.3.3.1 Monitoring function
The battery management system monitoring system shall display, but is not limited to, the following monitoring information.
a) Battery system. voltage, current, input/output power, communication status, charge/discharge status, energy status (SOE), state of charge
(SOC), health status (SOH), insulation status, charge/discharge termination voltage set value, alarm voltage/current set value, protection power
Voltage/current set value, battery cell voltage difference, battery cell temperature difference, abnormal alarm state, etc.;
b) Battery cluster. voltage, current, input/output power, communication status, charge/discharge status, energy status (SOE), state of charge
(SOC), health status (SOH), insulation status, charge/discharge termination voltage set value, alarm voltage/current set value, protection power
Voltage/current set value, battery cell voltage difference, battery cell temperature difference, abnormal alarm state, etc.;
c) Battery cells. voltage, temperature, charge/discharge termination voltage setpoint, alarm voltage/current setpoint, protection voltage/current setting
Value, alarm temperature set value, protection temperature set value, etc.
5.2.3.3.2 Overvoltage charging alarm protection function
Battery management system when the voltage of any battery cell in the battery system reaches the charge alarm voltage limit and the charge protection voltage limit respectively.
The over-voltage charging alarm information and over-voltage charging protection information should be issued separately.
5.2.3.3.3 Overcurrent charging alarm protection function
Battery management system when the current of any battery cluster in the battery system reaches the charge alarm current limit and the charge protection current limit respectively
Overcurrent charging alarm information and overcurrent charging protection information should be issued separately.
5.2.3.3.4 Undervoltage discharge alarm protection function
Battery management system when the voltage of any battery cell in the battery system reaches the discharge alarm voltage limit and the discharge protection voltage limit respectively
The system should issue the undervoltage discharge alarm information and the undervoltage discharge protection information separately.
5.2.3.3.5 Overcurrent discharge alarm protection function
Battery management system when the current of any battery cluster in the battery system reaches the discharge alarm current limit and the discharge protection current limit respectively
Overcurrent discharge alarm information and overcurrent discharge protection information shall be issued separately.
5.2.3.3.6 Over temperature alarm protection function
When the temperature of any battery cell in the battery system reaches the alarm temperature limit and the protection temperature limit respectively, the battery management system should be separately
Send over temperature alarm information and over temperature protection information.
5.2.3.3.7 Short circuit protection function
The battery system should be equipped with short-circuit protection devices such as fuses and quick switches.
5.2.3.3.8 Communication function
The battery system should have a communication interface, and the communication protocol should use communication protocols based on CAN2.0, Modbus, 101, 104, 61850.
5.3 Cycle performance
5.3.1 Rated power cycle durability
The cycle number of battery cell rated power cycle durability should not be less than 1000 times.
5.3.2 Rated power - constant voltage cycle durability
The number of cycles of battery cell rated power - constant voltage cycle durability should not be less than.2000 times.
6 Inspection rules
6.1 Inspection classification and inspection items
Product inspection is divided into factory inspection and type test. The inspection classification and inspection items shall comply with the requirements of Table 1, and the test methods are shown in Appendix A.
Table 1 Inspection classification and inspection items
Test sample serial number test item factory inspection type test
Battery cell
1 Appearance inspection √ √
2 Polarity detection √ √
3 initial charge and discharge energy √ √
4 low temperature charge and discharge performance√
5 high temperature charge and discharge performance√
6 room temperature energy retention capacity√
7 High temperature energy retention capacity√
8 overcharged√
9 over discharge√
10 Flame retardant capacity√
11 resistance to ground short circuit√
12 resistance to mechanical damage √
13 Thermal runaway sensitivity√
14 Gas precipitation √
15 high power discharge√
16 Explosion-proof capability√
17 Rated power cycle durability√
18 Rated Power - Constant Pressure Cycle Durability√
Battery cluster
1 Appearance inspection √ √
2 Polarity detection √ √
3 initial charge and discharge energy√
4 Voltage consistency√
5 Temperature consistency√
6 Insulation performance√
7 Pressure resistance √
Table 1 (continued)
Test sample serial number test item factory inspection type test
Battery system
1 Appearance inspection √ √
2 Polarity detection √ √
3 initial charge and discharge energy√
4 insulation performance√
5 Pressure resistance √
6 Monitoring function check√
7 Overvoltage charging alarm protection function√
8 Overcurrent charging alarm protection function√
9 Undervoltage discharge alarm protection function√
10 Overcurrent discharge alarm protection function√
11 Over temperature alarm protection function√
12 short circuit protection function......
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