JB/T 10262-2001 Sealed lead-acid batteries for electric power-assisted vehicles
Some standard content:
Machinery Industry Standard of the People's Republic of China
JB/T 10262 - 2001
Sealed lead-acid batteries for electric power-assisted bicycles
Published on 2001-05-23
National Bureau of Machinery Industry
Implementation on 2001-10-01
JB/T10262-2001
During the preparation of this standard, reference was made to the Japanese standard SBAS8002--1996 "Lead-acid batteries for small electric vehicles" and the standard JIS8702-1998 "Small valve-regulated sealed lead-acid batteries", as well as the technical contents required by domestic electric bicycle manufacturers. This standard is prepared in accordance with GB/T1.1-1993 Standardization Work Guidelines Unit 1: Drafting and Expression Rules of Standards, Part 1: Basic Provisions for Standard Writing and GBT1.3-1997 Standardization. Industrial Standard Guidelines Unit 1: Drafting and Expression Rules of Standards Part 3: Provisions for Product Standard Writing. This standard is proposed and managed by the National Lead-acid Battery Standardization Technical Committee. The drafting units of this standard are: Shenyang Battery Research Institute, Hangzhou Nandu Power Supply Co., Ltd., Zhejiang Huzhou Huangtai Hengji Group Co., Ltd., Shanghai Haibao Special Power Supply Factory, Beijing Haiyi Communication Equipment Company Research Institute, Changzhou Special Battery Factory, Guangdong Yuyang Science and Trade Co., Ltd., Tibet Hebang Power Supply Technology Co., Ltd. and Changxing Tianneng Battery Factory. The main drafters of this standard are: Yi Xiaobo, Mao Xianxian, Zhu Peijun, Ge Xiying, Liu Yuerong, Li Shengjun, Feng Yuesheng. 1 Scope
Machinery Industry Standard of the People's Republic of ChinabzxZ.net
Sealed Lead-Acid Batteries for Electric Power-Assisted Vehicles
JB/T10262-2001
This standard specifies the terminology, code, product classification, technical requirements, test methods, inspection rules, as well as packaging, transportation and storage of sealed lead-acid batteries for electric power-assisted vehicles. This standard applies to sealed lead-acid batteries used in electric bicycles, small electric power-assisted vehicles, golf carts, etc. where batteries are the main power source.
2 Cited Standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. At the time of publication of the standard, the versions shown are valid. All standards are subject to revision, and parties using this standard should discuss the possibility of using the latest version of the following standards. JB/T2599-1993 Method for compiling product models of lead-acid batteries JB/T3076-1999 Lead-acid battery tank
JB/T10052-1999
Electrolyte for lead-acid batteries
JB/T7630-1998 Lead-acid battery separator
JB/T3941-1999 Lead-acid battery packaging
3 Terms and codes
3.1 Rated capacity
Under specified conditions, the ampere-hour of electricity that the battery can provide in a fully charged state, as indicated by the manufacturer. It is expressed in 2-hour rate capacity C, (Ah).
3.2 Actual capacity
Under specified conditions, the amount of electricity that the battery can actually discharge. It is expressed in Ce (Ah). 3.3 Hour rate current
Term indicating the size of the battery charge and discharge current, and its value is C/2. It is represented by 1 (A). 3.4 Charge retention characteristics
Capacity retention performance of a fully charged battery after open circuit storage under specified conditions. 3.5 High current discharge characteristics
Discharge characteristics of a battery when it is discharged with a larger current under specified conditions. 3.6 Overdischarge
Capacity recovery state of a battery after charging in an overdischarge test. 3.7 Overcharge characteristics
Charge resistance characteristics after reaching a fully charged state. 3.8 Cycle life
Number of charge and discharge cycles that a battery can undergo under specified conditions. Approved by the State Bureau of Machinery Industry on May 23, 2001, and implemented on October 1, 2001
3.9-10℃ low temperature capacity
JB/T10262-2001
The amount of electricity that a battery can discharge under low temperature conditions of -10℃C. 3.10 Sealing reaction efficiency
Under specified conditions, it is applicable to the efficiency of reducing the gas generated by the decomposition of water inside the valve-controlled sealed battery to water through absorption by the negative electrode. 3.11 Pressure limiting valve action
Under specified conditions, the pressure range of the battery pressure limiting valve opening and closing. 3.12 Safety
Under specified conditions, the performance of the battery status. 3.13 Vibration resistance
Under specified conditions, the performance of the battery after vibration. 3.14 Combination consistency
Under specified conditions, the voltage consistency of 2 or 3 12V batteries in series during the cyclic use process. 4 Product classification
4.1 Product specifications, models and dimensions
4.1.1 Product specifications, models and dimensions (see Table 1)4.1.2 Product models shall follow the JB/T2599 standard and have the following meanings: For example:
2hr Rated capacity
Sealed
Electric power-assisted
Number of single cells in series
For structural dimensions, see Figures 1 and 2, and for terminal positions, see Figure 3. +
JB/T10262-2001
4.2 For external dimensions and terminal positions, users may also agree with the manufacturer. Table 1 Product specifications and dimensions
5 Technical requirements
Specifications
6-DZM-6
6-DZM-10
6-DZM-14
6-DZM-20
5-DZM-32
Battery structure
151±2
152±3
181±3| |tt||166±2
197±3
Dimensions, mm
125±2
165±4
163±3
175±2
E75±2
Total height Hmax
The battery consists of positive plates, negative plates, separators, battery tanks, battery covers, electrolytes, terminals, pressure limiting valves, etc. 5.1.1 Battery tank
The battery tank shall comply with the provisions of JB/T3076 standard. 5.1.2 The battery separator shall comply with the provisions of JB/T7630 standard. 5.1.3 Battery electrolyte
The battery electrolyte shall comply with the provisions of JB/T10052 standard or the manufacturer's regulations. 5.2 Battery size
The battery dimensions shall comply with Table 1 or the manufacturer's regulations. 5.3 Appearance
(Reference)
JB/T10262-2001
The battery appearance shall not be deformed, cracked or scratched, and the markings shall be clear. 5.4 2h rate capacity
The battery shall be tested according to 6.5, and the 2h rate capacity shall reach 100% of the rated capacity within three times: 5.5 High current discharge characteristics
The battery shall be tested according to 6.6, and the discharge duration shall not be less than 5 minutes. 5.6 Charge retention characteristics
The battery shall be tested according to 6.7, and the capacity retention rate shall not be less than 85%. 5.7 Overdischarge
When the battery is tested according to Article 6.8, the actual capacity should not be less than 0.75C2. 5.8 Overcharge
When the battery is tested according to Article 6.9, the actual capacity should not be less than 0.95C, and no abnormality should be seen in the appearance. -10℃ low temperature capacity
5.9.1When the battery is tested according to Article 6.10, the actual capacity should not be less than 0.70C2. 5.9.2 The low temperature capacity should meet the standard requirements in the second or earlier low temperature capacity test. 5.10 Battery cycle life
When the battery is tested according to Article 6.11, the number of cycles should not be less than 350. 5.11 Sealing reaction efficiency (applicable to valve-controlled sealed batteries) When the battery is tested according to 6.12, the sealing reaction efficiency should not be less than 90%. 5.12 Pressure limiting valve action (applicable to valve-controlled sealed batteries) The battery is tested according to 6.13, and the pressure limiting valve should be reliably opened and closed within the pressure range of 0.98kPa ~ 196.1kPa. 5.13 Safety (applicable to valve-controlled sealed batteries) The battery is tested in 6.14, and there should be no leakage and other abnormal phenomena. 5.14 Vibration resistance
The battery is tested in 6.15, and the terminal voltage shall not be lower than the rated voltage, and there shall be no leakage and other abnormal phenomena on the appearance. 5.15 Combination-consistency
The battery is tested in 6.16, and the battery terminal voltage difference (△U) shall not be higher than 0.40V. 6 Test method
6.1 Measuring instruments
6.1.1 Electrical measurement
6.1.1.1 Instrument range
The instrument range used shall vary with the values of the voltage and current being measured, and the reading of the pointer instrument shall be within the last third of the range. 6.1.1.2 Voltage measurement
The instrument used to measure voltage should be a voltmeter with a 0.5 grade accuracy, and the internal resistance of the voltmeter should be at least 1kQ/v. 6.1.1.3 Current measurement
The instrument used to measure current should be an ammeter with a 0.5 grade accuracy. 6.1.2 Temperature measurement
The thermometer used to measure temperature should have an appropriate range, and its graduation value should not be greater than 1°C. 6.1.3 Time measurement
The instrument used to measure time should be divided into hours, minutes and seconds, and should have an accuracy of at least ±1s per hour. 4
6.1.4 Dimension measurement
JB/T10262-2001
The measuring tool for measuring the external dimensions of the battery should have an accuracy of more than 1mm. 6.1.5 Mass weighing
The scale for weighing the mass of the battery should have an accuracy of more than ±0.05%. 6.1.6 Pressure measurement
The instrument used to measure pressure shall have an accuracy of not less than 0.25. 6.1.7 Volume measurement
The volumetric tube or burette used to measure volume shall have an accuracy of more than ±1%. 6.2 Pretreatment before the test
6.2.1 The test shall be carried out within 3 months after the battery is produced. All batteries must be safely charged before the test. 6.2.2 The battery can be fully charged by constant current charging or constant voltage charging. 6.2.2.1 Constant current charging
a The battery is charged at a temperature of (15～35)℃ with a current of 0.2I～0.4I (A) (or the current specified by the manufacturer). When the average voltage of the single battery reaches 2.4V, and 0.25C, ~0.5C of electricity is charged, the battery is considered to be fully charged. b The battery is charged at a current of 0.2-0.41 (A) (or the current specified by the manufacturer) in an environment with a temperature of (15-35) ℃: the battery is considered to be fully charged when the charged amount reaches 110%-130% of the discharged amount. 6.2.2.2 Constant voltage charging
The battery is considered to be fully charged when the battery is charged at an average voltage of 2.45V per single cell and a maximum current of no more than 0.6I (A) for 16 hours in an environment with a temperature of (25 ± 2) ℃ or when the charging current remains stable for 3 hours. 6.3 Appearance inspection
Visually inspect the appearance of the battery.
6.4 Dimension inspection
Measure the external dimensions of the battery according to the structural dimensions shown in Figure 1 or Figure 2. 6.52h rate capacity test
6.5.1 After the battery is fully charged, let it stand for 1h~4h in an environment with a temperature of (25±2)℃, then discharge it with a current of I, (A) until the average voltage of the single battery reaches 1.60V, and record the discharge time. 6.5.2 Calculate the actual capacity Ce of the battery by multiplying the discharge current by the discharge duration. 6.6 High current discharge test
After the battery tested in 6.5 is fully charged, let it stand for 1h~4h in an environment with a temperature of (25±2)℃, then discharge it with a current of 3.0F, (A) for 5min. The average voltage of the single battery shall not be less than 1.40V, and record the battery terminal voltage. 6.7 Charge retention test
After the battery tested in 6.5 is fully charged, wipe the surface, let it stand for 28d in an open circuit in an environment with a temperature of 25±5℃, and then perform the capacity discharge test according to 6.5.
The capacity retention rate is obtained according to the following formula:
r=CrlCe×100%
Wherein: r is the capacity retention rate, (%);
Ce is the capacity obtained by the test in 6.5 before the storage characteristic test, (Ah); Cr is the capacity after discharge, (Ah).
6.8 Overdischarge test
JB/T10262-2001
6.8.1 The battery shall be tested in accordance with 6.5 and meet the requirements of 5.7 before this test can be carried out. 6.8.2 After the battery is fully charged, it shall be discharged continuously for 21 days at an initial discharge current of 1.2C, 1.2C, and a fixed impedance of 10% in an environment with a temperature of (25±5)℃.
6.8.3 Then charge the battery for 24 hours with an average voltage of 2.5V and a maximum current not exceeding 0.721(A). 6.8.4 Carry out the capacity test in accordance with Article 6.5.
6.9. Overcharge test
6.9.1 This test can be carried out only after the battery has been tested in Article 6.5 and meets the requirements of Article 5.7. 6.9.2 After the battery is fully charged, charge it continuously for 48 hours at a current of 0.24I(A) in an environment with a temperature of (25±2)℃ and check whether the appearance is normal.
6.9.3 Carry out the capacity test in accordance with Article 6.5.
6.10-10℃ low temperature capacity test
6.10.1 Place the fully charged battery in a low temperature box or low temperature room, place it in a (-10±1)℃ environment for 10 hours, then discharge it with a current of 2 (A) until the average voltage of the single battery reaches 1.60V, and record the discharge time. 6.10.2 After the test, when the battery returns to the ambient temperature, it should be fully charged again according to Article 6.2. 6.11 Cycle life test
6.11.1 After the battery tested in 6.5 is fully charged, it is discharged with a current of 1.0 (A) for 1.40 hours in an environment of (25±5)℃, and then charged with a constant voltage of 16.00V and a current limit of 0.3I (A) for 5.60 hours. The above is a cycle life number. 6.11.2 When the average voltage of the battery cell is lower than 1.60V for three consecutive times after discharging for 1.40h, the cycle life is considered to have ended, and these three cycles are not counted in the number of cycles.
6.11.3 The number of tests in 6.5 is added to the number of cycles. 6.12 Sealing reaction efficiency test
6.12.1 After the battery is fully charged, it is continuously charged for 48h at a current of 0.2I (A) in an environment with a temperature of (15-35)℃, and then continuously charged for 29h at a current of 0.11 (A). From the 25th hour after the current is changed, gas is collected for 5h. The gas collection device is shown in Figure 4. Burette or measuring cylinder
Thin battery
JB/T10262-2001
6.12.2 Calculate the sealing reaction efficiency V=_P_x
101.3*（t+273）*@n
Where: V is the gas released when the storage current is charged with 1Ah under standard conditions, ml/Ah: P is the atmospheric pressure when collecting gas, kPa; the ambient temperature of the burette and measuring cylinder, ℃; 0 is the amount of electricity charged during the gas collection, Ah: the amount of gas released by the collected battery, mln
number of single batteries.
n=（1-V/684）X100%
Where: n-sealing reaction efficiency: %;
684 Under standard conditions, the battery is charged with 1Ah of electricity, and the theoretical gas generation volume is m1: 6.13 Pressure limiting valve test
In an environment with a temperature of (15～35)℃, select a single battery and gradually fill it with air to measure the valve opening pressure, then gradually reduce the air pressure to measure the pressure when the valve is closed, and record the pressure values when opening and closing. 6.14 Safety test
After the battery is fully charged, it is continuously charged for 5 hours at a current of 0.4I(A) in an environment with a temperature of (15～35)℃, and then checked for leakage and whether the appearance is normal.
6.15 Vibration resistance test
6.15.1 After the battery is fully charged, it is fastened on the vibration table in an upright state in an environment with a temperature of (15～35)℃. 6.15.2 The battery shall be subjected to vertical vibration of 16.7 Hz frequency and 2 mm amplitude for 1 hour. 6.15.3 After the vibration test, check whether the battery terminal voltage and appearance are normal. 6.16 Combination consistency test
6.16.1 This test is carried out during the cycle life test of two batteries. 6.16.2 When the cycle life battery is discharged for the 100th, 150th and 200th times, the terminal voltage of the battery is measured and recorded at the time of discharge for 1.40 hours.
6.16.3 Calculate the terminal voltage difference between the two batteries according to the following formula: △UAU=AU++AU,+4U, ..
Wherein: △U-—Terminal voltage difference at the 100th discharge for 1.40h, V: △U,—Terminal voltage difference at the 150th discharge for 1.40h, V: △U——Terminal voltage difference at the 200th discharge for 1.40h, V. 6.17 Test procedure
Test items
2h rate capacity
-10℃ low temperature capacity
Large current discharge characteristics
Over discharge characteristics
Over charge characteristics
Seal reaction efficiency
Pressure limiting valve
Safety
Cycle life
Combination consistency
Charged storage
Note: “√” is the test mark
Inspection rules
JB/T10262-2001
Table 2 Test procedure
Test items, test quantity and test cycle are shown in Table 37.1
Inspection classification, |tt||2 Sampling rules
Inspection classification
Factory inspection
Type inspection
Test items
Appearance inspection
Dimension inspection
2h rate capacity test
Large current discharge characteristics
10℃ low temperature capacity
Overcharge characteristics
Overdischarge characteristics
Seal reaction efficiency test
Pressure limiting valve test
Safety test
Resistance to shock
Cycle life test
Charge retention test
Combination consistency
Type inspection can be carried out on a representative product of a certain specification. 7.3
Judgment rules
Battery number
Test quantity
Test cycle
Once a month
Once a month
Once a month
Once a half year
Once a half year
Once a half year
Once a half year
Once a half year
Once a half year
Once a half year
Once a half year
In the type inspection, if there is a battery that does not meet this standard, it is necessary to double the sampling test. If there is still one battery that does not meet this standard, it shall be judged as unqualified.
8 Marking, packaging, transportation, purchase and storage
8.1 Marking
The battery product should have the following markings:
Manufacturer name;
Product model or specification:
Manufacturing date:
Trademark;
ePolarity symbol:
fEnvironmental protection mark.
8.1.2The outer wall of the packaging box should have the following markings:aProduct name, model specification, quantity;
bProduct standard number:
Net weight and gross weight of each box:
JB/T10262-2001
dMarking words such as moisture-proof, not allowed to be inverted, and gently placed: fManufacturer name and address.
8.2 Packaging
The packaging of the battery should meet the requirements of moisture-proof and vibration-proof. 8.2.2 The packaging box should contain the following documents supplied with the product: a packing list; b product qualification certificate; c product instruction manual. 8.3 Transportation During transportation, the product shall not be subjected to severe mechanical impact, exposure to the sun, rain, or inversion. 8.3.1 During loading and unloading, the product shall be placed gently to prevent it from being dropped, rolled, or pressed. 8.4 Storage 8.4.1 The product shall be stored in a dry, clean, and well-ventilated warehouse with a temperature of (5~40)℃. 8.4.2 It shall not be exposed to direct sunlight and shall be at least 2m away from heat sources (heating equipment, etc.). 8.4.3 It shall not be placed upside down or horizontally, and shall not be subjected to any mechanical impact or pressure. 8.5 Precautions during use
When using batteries, users should use them in the correct state according to their needs. The user manual or other appropriate methods should be used to introduce the battery's usage conditions, precautions and prohibited items. At the same time, the following precautions during use should be noted: a:
The battery must not be short-circuited;
The battery must not be placed in a sealed container; The battery must be kept away from fire;
Precautions during charging;
How to deal with a damaged battery;
Do not dissect the battery.
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