CN105158692A - Lead-acid cell monomer consistency evaluation system and method - Google Patents

Lead-acid cell monomer consistency evaluation system and method Download PDF

Info

Publication number
CN105158692A
CN105158692A CN201510459875.2A CN201510459875A CN105158692A CN 105158692 A CN105158692 A CN 105158692A CN 201510459875 A CN201510459875 A CN 201510459875A CN 105158692 A CN105158692 A CN 105158692A
Authority
CN
China
Prior art keywords
consistance
monomer
lead
calculation procedure
acid battery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510459875.2A
Other languages
Chinese (zh)
Inventor
武国良
徐冰亮
董尔佳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Heilongjiang Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Heilongjiang Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Electric Power Research Institute of State Grid Heilongjiang Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201510459875.2A priority Critical patent/CN105158692A/en
Publication of CN105158692A publication Critical patent/CN105158692A/en
Pending legal-status Critical Current

Links

Abstract

A lead-acid cell monomer consistency evaluation system and method. The invention belongs to the field of electric vehicles and new energy power generation and energy storage, specifically relates to a battery monomer consistency evaluation technology, and aims to solve the problem that consistency evaluation of a lead-acid cell monomer at present is not comprehensive enough. Output ends of a voltage sensor, an internal resistance sensor, a temperature sensor, charging performance of a current sensor, discharging performance of the current sensor, an electrical charge maintaining tester and a health state tester of lead-acid cell test equipment are connected with input ends of corresponding modules, the output end of each module is connected with the corresponding input end of a monomer consistency comprehensive evaluation module, and finally an evaluation is carried out through a monomer consistency comprehensive evaluation program. The lead-acid cell monomer consistency evaluation system and the method comprehensively consider consistency of the lead-acid monomer cell in seven aspects, ensure scientificity and accuracy of consistency of the lead-acid cell monomer, and are suitable for lead-acid monomer cell consistency evaluation.

Description

Lead-acid battery monomer consistance evaluating system and method
Technical field
The invention belongs to electric automobile and generation of electricity by new energy energy storage field, be specifically related to battery cell consistance evaluation and test technology.
Background technology
In electric automobile and generation of electricity by new energy energy storage field, lead-acid battery is important accumulation power supply, is widely used in photovoltaic generation and wind power generation energy accumulation.Lead-acid battery monomer consistance directly affects charge-discharge performance and the health status of lead-acid battery module and power brick.For better playing the effect of lead-acid battery, better safeguarding and making to make good use of lead-acid battery, particularly important to the evaluation and test of lead-acid battery monomer consistance.The monomer consistance evaluation and test of current lead-acid battery is main in discharge capacity, voltage consistance.
Summary of the invention
The object of the invention is the monomer consistance evaluation and test not comprehensively problem in order to solve current lead-acid battery, a kind of comprehensively lithium battery monomer consistance evaluating system and method are provided.
Lead-acid battery monomer consistance evaluating system, it comprises lead-acid battery monomer consistance evaluation and test platform and lead-acid battery testing apparatus;
Described monomer consistance evaluation and test platform comprises discharge performance consistance calculation procedure module, charging performance consistance calculation procedure module, voltage consistance calculation procedure module, internal resistance consistance calculation procedure module, temperature consistency calculation procedure module, the charged calculation procedure module that keeps consistency, health status consistance calculation procedure module and monomer consistance comprehensive evaluating module;
The voltage data output terminal of lead-acid battery testing apparatus is connected with the voltage data input end of voltage consistance calculation procedure module;
The internal resistance data output end of lead-acid battery testing apparatus is connected with the internal resistance data input pin of internal resistance consistance calculation procedure module;
The temperature data output terminal of lead-acid battery testing apparatus is connected with the temperature data input end of temperature consistency calculation procedure module;
The discharge performance data output end of lead-acid battery testing apparatus is connected with the discharge performance data input pin of discharge performance consistance calculation procedure module;
The charged electrical performance data output terminal of lead-acid battery testing apparatus is connected with the charging performance data input pin of charging performance consistance calculation procedure module;
The charged maintenance data output end of lead-acid battery testing apparatus is connected with the charged maintenance data input pin of the charged calculation procedure module that keeps consistency;
The state of health data output terminal of lead-acid battery testing apparatus is connected with the state of health data input end of health status consistance calculation procedure module;
The voltage consistent data output terminal of voltage consistance calculation procedure module is connected with the voltage consistent data input end of monomer consistance comprehensive evaluating module;
The internal resistance consistent data output terminal of internal resistance consistance calculation procedure module is connected with the internal resistance consistent data input end of monomer consistance comprehensive evaluating module;
The temperature consistency data output end of temperature consistency calculation procedure module is connected with the temperature consistency data input pin of monomer consistance comprehensive evaluating module;
The charging performance consistent data output terminal of charging performance consistance calculation procedure module is connected with the charging performance consistent data input end of monomer consistance comprehensive evaluating module;
The discharge performance consistent data output terminal of discharge performance consistance calculation procedure module is connected with the discharge performance consistent data input end of monomer consistance comprehensive evaluating module;
The charged data output end that keeps consistency of the charged calculation procedure module that keeps consistency is connected with the charged data input pin that keeps consistency of monomer consistance comprehensive evaluating module;
The health status consistent data output terminal of health status consistance calculation procedure module is connected with the health status consistent data input end of monomer consistance comprehensive evaluating module;
Wherein N be more than or equal to 1 positive integer.
The invention has the beneficial effects as follows that the present invention considers the discharge capability of plumbic acid cell, charging ability, voltage, internal resistance, temperature, retention of charge and health status seven aspect consistance, ensure the conforming science of lead-acid battery monomer and accuracy.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of lead-acid battery monomer consistance evaluating system in embodiment one.
Embodiment
Embodiment one: composition graphs 1 illustrates present embodiment, the lead-acid battery monomer consistance evaluating system described in present embodiment, it comprises lead-acid battery monomer consistance evaluation and test platform 2 and lead-acid battery testing apparatus 1;
Described monomer consistance evaluation and test platform 2 comprises discharge performance consistance calculation procedure module 3, charging performance consistance calculation procedure module 4, voltage consistance calculation procedure module 5, internal resistance consistance calculation procedure module 6, temperature consistency calculation procedure module 7, the charged calculation procedure module 8 that keeps consistency, health status consistance calculation procedure module 9 and monomer consistance comprehensive evaluating module 10;
The voltage data output terminal of lead-acid battery testing apparatus 1 is connected with the voltage data input end of voltage consistance calculation procedure module 5;
The internal resistance data output end of lead-acid battery testing apparatus 1 is connected with the internal resistance data input pin of internal resistance consistance calculation procedure module 6;
The temperature data output terminal of lead-acid battery testing apparatus 1 is connected with the temperature data input end of temperature consistency calculation procedure module 7;
The discharge performance data output end of lead-acid battery testing apparatus 1 is connected with the discharge performance data input pin of discharge performance consistance calculation procedure module 3;
The charged electrical performance data output terminal of lead-acid battery testing apparatus 1 is connected with the charging performance data input pin of charging performance consistance calculation procedure module 4;
The charged maintenance data output end of lead-acid battery testing apparatus 1 is connected with the charged maintenance data input pin of the charged calculation procedure module 8 that keeps consistency;
The state of health data output terminal of lead-acid battery testing apparatus 1 is connected with the state of health data input end of health status consistance calculation procedure module 9;
The voltage consistent data output terminal of voltage consistance calculation procedure module 5 is connected with the voltage consistent data input end of monomer consistance comprehensive evaluating module 10;
The internal resistance consistent data output terminal of internal resistance consistance calculation procedure module 6 is connected with the internal resistance consistent data input end of monomer consistance comprehensive evaluating module 10;
The temperature consistency data output end of temperature consistency calculation procedure module 7 is connected with the temperature consistency data input pin of monomer consistance comprehensive evaluating module 10;
The charging performance consistent data output terminal of charging performance consistance calculation procedure module 4 is connected with the charging performance consistent data input end of monomer consistance comprehensive evaluating module 10;
The discharge performance consistent data output terminal of discharge performance consistance calculation procedure module 3 is connected with the discharge performance consistent data input end of monomer consistance comprehensive evaluating module 10;
The charged data output end that keeps consistency of the charged calculation procedure module 8 that keeps consistency is connected with the charged data input pin that keeps consistency of monomer consistance comprehensive evaluating module 10;
The health status consistent data output terminal of health status consistance calculation procedure module 9 is connected with the health status consistent data input end of monomer consistance comprehensive evaluating module 10;
Wherein N be more than or equal to 1 positive integer.
Embodiment two: present embodiment is the evaluating method based on the lead-acid battery monomer consistance evaluating system described in embodiment one, in the present embodiment, described lead-acid battery testing apparatus 1 comprises voltage sensor, current sensor, internal resistance sensor, temperature sensor, charged maintenance tester and health status tester.
Voltage sensor, for measuring the voltage data of tested lead-acid battery monomer;
Current sensor, for measuring discharge performance data and the charging performance data of tested lead-acid battery monomer;
Internal resistance sensor, for measuring the internal resistance data of tested lead-acid battery monomer;
Temperature sensor, for measuring the temperature data of tested lead-acid battery monomer;
Charged maintenance tester, for measuring the charged maintenance data of tested lead-acid battery monomer;
Health status tester, for measuring the state of health data of tested lead-acid battery monomer.
Embodiment three: present embodiment is the evaluating method based on the lead-acid battery monomer consistance evaluating system described in embodiment one, and in the present embodiment, it is realized by following steps:
Step one, N number of plumbic acid cell is accessed lead-acid battery testing apparatus 1 respectively, carry out N number of monomer voltage measurement, obtain N number of monomer voltage data;
N number of plumbic acid cell is accessed lead-acid battery testing apparatus 1 respectively, carries out N number of monomer internal resistance experiment, obtain N number of monomer internal resistance data;
N number of plumbic acid cell is accessed lead-acid battery testing apparatus 1 respectively, carries out N number of monomer temperature and rate of temperature change measurement, obtain N number of monomer temperature data;
N number of plumbic acid cell is accessed lead-acid battery testing apparatus 1 respectively, carries out the experiment of each multiplying power discharging of N number of monomer, obtain each multiplying power discharging capacity data of N number of monomer;
N number of plumbic acid cell is accessed lead-acid battery testing apparatus 1 respectively, carries out each multiplying power of N number of monomer charging experiment, obtain each multiplying power charging capacity data of N number of monomer;
N number of plumbic acid cell is accessed lead-acid battery testing apparatus 1 respectively, carries out the charged maintenance experiment of N number of monomer, obtain the charged maintenance data of N number of monomer;
N number of plumbic acid cell is accessed lead-acid battery testing apparatus 1 respectively, carries out the experiment of N number of monomer health status, obtain N number of monomer state of health data;
The corresponding data obtained is inputed to discharge performance consistance calculation procedure module 3, charging performance consistance calculation procedure module 4, voltage consistance calculation procedure module 5, internal resistance consistance calculation procedure module 6, temperature consistency calculation procedure module 7, charged calculation procedure module 8 and the health status consistance calculation procedure module 9 of keeping consistency by lead-acid battery testing apparatus 1 respectively;
Step 2, discharge performance consistance calculation procedure module 3, charging performance consistance calculation procedure module 4, voltage consistance calculation procedure module 5, internal resistance consistance calculation procedure module 6, temperature consistency calculation procedure module 7, charged calculation procedure module 8 and health status consistance calculation procedure module 9 data to input that keep consistency calculate, obtain the voltage consistance numerical value of N number of cell respectively, internal resistance consistance numerical value, temperature consistency numerical value, charging performance consistance numerical value, discharge performance consistance numerical value, retention of charge consistance numerical value and health status consistance numerical value, each consistance calculation procedure module circular is:
Input the corresponding data of N number of cell;
Obtain the mean value of N number of cell corresponding data;
The corresponding data of each cell and the mean value of acquisition compare, and obtain the corresponding consistance numerical value of each cell; .The corresponding data of cell is Q, and the mean value of acquisition is M, and the corresponding consistance numerical value of described cell is (Q-M), | the consistance of Q-M| more close to 0 cell is better.
Step 3, monomer consistance comprehensive evaluating module 10 are carried out comprehensively according to the voltage consistance numerical value of cell N number of in step 2, internal resistance consistance numerical value, temperature consistency numerical value, charging performance consistance numerical value, discharge performance consistance numerical value, retention of charge consistance numerical value and health status consistance numerical value, draw the consistance comprehensive evaluating result of each cell.
Embodiment four: present embodiment further limits the evaluating method of the lead-acid battery monomer consistance evaluating system described in embodiment three, in the present embodiment, each multiplying power discharging capacity data is obtained by discharge current integration, that is, each multiplying power discharging capacity data is obtained by current sensor.
Embodiment five: present embodiment further limits the evaluating method of the lead-acid battery monomer consistance evaluating system described in embodiment three, in the present embodiment, each multiplying power charging capacity data are obtained by charging current integration, that is, each multiplying power charging capacity data are also obtained by current sensor.
Embodiment six: present embodiment further limits the evaluating method of the lead-acid battery monomer consistance evaluating system described in embodiment three, in the present embodiment, charged maintenance data are after lead-acid battery static one-month period, battery can also keep the ability of electricity, by the discharge capacity after test battery static one-month period, being business, the percentages obtained with the battery capacity being full of electricity, namely determining by measuring lead-acid battery discharge capacity.
Embodiment seven: present embodiment further limits the evaluating method of the lead-acid battery monomer consistance evaluating system described in embodiment three, in the present embodiment, state of health data is the discharge capacity that test is full of the battery of electricity, business is with the dispatch from the factory discharge capacity of nominal of lead-acid battery, the numerical value obtained, namely determines by measuring lead-acid battery discharge capacity.

Claims (7)

1. lead-acid battery monomer consistance evaluating system, is characterized in that, it comprises lead-acid battery monomer consistance evaluation and test platform (2) and lead-acid battery testing apparatus (1);
Described monomer consistance evaluation and test platform (2) comprises discharge performance consistance calculation procedure module (3), charging performance consistance calculation procedure module (4), voltage consistance calculation procedure module (5), internal resistance consistance calculation procedure module (6), temperature consistency calculation procedure module (7), the charged calculation procedure module (8) that keeps consistency, health status consistance calculation procedure module (9) and monomer consistance comprehensive evaluating module (10);
The voltage data output terminal of lead-acid battery testing apparatus (1) is connected with the voltage data input end of voltage consistance calculation procedure module (5);
The internal resistance data output end of lead-acid battery testing apparatus (1) is connected with the internal resistance data input pin of internal resistance consistance calculation procedure module (6);
The temperature data output terminal of lead-acid battery testing apparatus (1) is connected with the temperature data input end of temperature consistency calculation procedure module (7);
The discharge performance data output end of lead-acid battery testing apparatus (1) is connected with the discharge performance data input pin of discharge performance consistance calculation procedure module (3);
The charged electrical performance data output terminal of lead-acid battery testing apparatus (1) is connected with the charging performance data input pin of charging performance consistance calculation procedure module (4);
The charged maintenance data output end of lead-acid battery testing apparatus (1) is connected with the charged maintenance data input pin of the charged calculation procedure module (8) that keeps consistency;
The state of health data output terminal of lead-acid battery testing apparatus (1) is connected with the state of health data input end of health status consistance calculation procedure module (9);
The voltage consistent data output terminal of voltage consistance calculation procedure module (5) is connected with the voltage consistent data input end of monomer consistance comprehensive evaluating module (10);
The internal resistance consistent data output terminal of internal resistance consistance calculation procedure module (6) is connected with the internal resistance consistent data input end of monomer consistance comprehensive evaluating module (10);
The temperature consistency data output end of temperature consistency calculation procedure module (7) is connected with the temperature consistency data input pin of monomer consistance comprehensive evaluating module (10);
The charging performance consistent data output terminal of charging performance consistance calculation procedure module (4) is connected with the charging performance consistent data input end of monomer consistance comprehensive evaluating module (10);
The discharge performance consistent data output terminal of discharge performance consistance calculation procedure module (3) is connected with the discharge performance consistent data input end of monomer consistance comprehensive evaluating module (10);
The charged data output end that keeps consistency of the charged calculation procedure module (8) that keeps consistency is connected with the charged data input pin that keeps consistency of monomer consistance comprehensive evaluating module (10);
The health status consistent data output terminal of health status consistance calculation procedure module (9) is connected with the health status consistent data input end of monomer consistance comprehensive evaluating module (10);
Wherein N be more than or equal to 1 positive integer.
2. lead-acid battery monomer consistance evaluating system according to claim 1, it is characterized in that, described lead-acid battery testing apparatus (1) comprises voltage sensor, current sensor, internal resistance sensor, temperature sensor, charged maintenance tester and health status tester;
Voltage sensor, for measuring the voltage data of tested lead-acid battery monomer;
Current sensor, for measuring discharge performance data and the charging performance data of tested lead-acid battery monomer;
Internal resistance sensor, for measuring the internal resistance data of tested lead-acid battery monomer;
Temperature sensor, for measuring the temperature data of tested lead-acid battery monomer;
Charged maintenance tester, for measuring the charged maintenance data of tested lead-acid battery monomer;
Health status tester, for measuring the state of health data of tested lead-acid battery monomer.
3., based on the evaluating method of lead-acid battery monomer consistance evaluating system according to claim 1, it is characterized in that, it is realized by following steps:
Step one, N number of plumbic acid cell is accessed lead-acid battery testing apparatus (1) respectively, carry out N number of monomer voltage measurement, obtain N number of monomer voltage data;
N number of plumbic acid cell is accessed lead-acid battery testing apparatus (1) respectively, carries out N number of monomer internal resistance experiment, obtain N number of monomer internal resistance data;
N number of plumbic acid cell is accessed lead-acid battery testing apparatus (1) respectively, carries out N number of monomer temperature and rate of temperature change measurement, obtain N number of monomer temperature data;
N number of plumbic acid cell is accessed lead-acid battery testing apparatus (1) respectively, carries out the experiment of each multiplying power discharging of N number of monomer, obtain each multiplying power discharging capacity data of N number of monomer;
N number of plumbic acid cell is accessed lead-acid battery testing apparatus (1) respectively, carries out each multiplying power of N number of monomer charging experiment, obtain each multiplying power charging capacity data of N number of monomer;
N number of plumbic acid cell is accessed lead-acid battery testing apparatus (1) respectively, carries out the charged maintenance experiment of N number of monomer, obtain the charged maintenance data of N number of monomer;
N number of plumbic acid cell is accessed lead-acid battery testing apparatus (1) respectively, carries out the experiment of N number of monomer health status, obtain N number of monomer state of health data;
The corresponding data obtained is inputed to discharge performance consistance calculation procedure module (3), charging performance consistance calculation procedure module (4), voltage consistance calculation procedure module (5), internal resistance consistance calculation procedure module (6), temperature consistency calculation procedure module (7), charged calculation procedure module (8) and health status consistance calculation procedure module (9) of keeping consistency by lead-acid battery testing apparatus (1) respectively;
Step 2, discharge performance consistance calculation procedure module (3), charging performance consistance calculation procedure module (4), voltage consistance calculation procedure module (5), internal resistance consistance calculation procedure module (6), temperature consistency calculation procedure module (7), charged calculation procedure module (8) and health status consistance calculation procedure module (9) data to input that keep consistency calculate, obtain the voltage consistance numerical value of N number of cell respectively, internal resistance consistance numerical value, temperature consistency numerical value, charging performance consistance numerical value, discharge performance consistance numerical value, retention of charge consistance numerical value and health status consistance numerical value, each consistance calculation procedure module circular is:
Input the corresponding data of N number of cell;
Obtain the mean value of N number of cell corresponding data;
The corresponding data of each cell and the mean value of acquisition compare, and obtain the corresponding consistance numerical value of each cell;
Step 3, monomer consistance comprehensive evaluating module (10) carry out comprehensively according to the voltage consistance numerical value of cell N number of in step 2, internal resistance consistance numerical value, temperature consistency numerical value, charging performance consistance numerical value, discharge performance consistance numerical value, retention of charge consistance numerical value and health status consistance numerical value, draw the consistance comprehensive evaluating result of each cell.
4. the evaluating method of lead-acid battery monomer consistance evaluating system according to claim 3, it is characterized in that, each multiplying power discharging capacity data is obtained by discharge current integration.
5. the evaluating method of lead-acid battery monomer consistance evaluating system according to claim 3, is characterized in that, each multiplying power charging capacity data are obtained by charging current integration.
6. the evaluating method of lead-acid battery monomer consistance evaluating system according to claim 3, it is characterized in that, charged maintenance data are after N number of lead-acid battery static one-month period, battery can also keep the ability of electricity, by the discharge capacity after test battery static one-month period, business is, the percentages obtained with the battery capacity being full of electricity.
7. the evaluating method of lead-acid battery monomer consistance evaluating system according to claim 3, is characterized in that, state of health data is the discharge capacity of battery that test is full of electricity, is business, the numerical value obtained with the dispatch from the factory discharge capacity of nominal of lead-acid battery.
CN201510459875.2A 2015-07-30 2015-07-30 Lead-acid cell monomer consistency evaluation system and method Pending CN105158692A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510459875.2A CN105158692A (en) 2015-07-30 2015-07-30 Lead-acid cell monomer consistency evaluation system and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510459875.2A CN105158692A (en) 2015-07-30 2015-07-30 Lead-acid cell monomer consistency evaluation system and method

Publications (1)

Publication Number Publication Date
CN105158692A true CN105158692A (en) 2015-12-16

Family

ID=54799610

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510459875.2A Pending CN105158692A (en) 2015-07-30 2015-07-30 Lead-acid cell monomer consistency evaluation system and method

Country Status (1)

Country Link
CN (1) CN105158692A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101907688A (en) * 2010-08-02 2010-12-08 天津力神电池股份有限公司 Method for detecting electrical property consistency of lithium ion battery
CN102013520A (en) * 2010-11-18 2011-04-13 杭州高特数码技术有限公司 Lithium battery module group matching method
CN103368229A (en) * 2013-07-04 2013-10-23 东莞中山大学研究院 Ground electric vehicle battery diagnosis device and diagnostic method thereof
CN203350421U (en) * 2013-07-25 2013-12-18 上海卡耐新能源有限公司 System for dynamically evaluating battery uniformity
CN103545558A (en) * 2013-11-08 2014-01-29 四川长虹电源有限责任公司 Consistency control method of high-capacity power lithium ion battery for aviation
CN203535198U (en) * 2013-11-08 2014-04-09 上海卡耐新能源有限公司 Battery dynamic grouping system
CN104014491A (en) * 2014-06-26 2014-09-03 武汉中原长江科技发展有限公司 Screening method of parallel lithium ion batteries
CN104267355A (en) * 2014-10-29 2015-01-07 哈尔滨工业大学 Battery sorting method based on working condition testing and simplified impedance spectroscopy equivalent circuit model
US8970174B2 (en) * 2011-05-30 2015-03-03 Renesas Electronics Corporation Semiconductor integrated circuit having battery control function and operation method thereof

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101907688A (en) * 2010-08-02 2010-12-08 天津力神电池股份有限公司 Method for detecting electrical property consistency of lithium ion battery
CN102013520A (en) * 2010-11-18 2011-04-13 杭州高特数码技术有限公司 Lithium battery module group matching method
US8970174B2 (en) * 2011-05-30 2015-03-03 Renesas Electronics Corporation Semiconductor integrated circuit having battery control function and operation method thereof
CN103368229A (en) * 2013-07-04 2013-10-23 东莞中山大学研究院 Ground electric vehicle battery diagnosis device and diagnostic method thereof
CN203350421U (en) * 2013-07-25 2013-12-18 上海卡耐新能源有限公司 System for dynamically evaluating battery uniformity
CN103545558A (en) * 2013-11-08 2014-01-29 四川长虹电源有限责任公司 Consistency control method of high-capacity power lithium ion battery for aviation
CN203535198U (en) * 2013-11-08 2014-04-09 上海卡耐新能源有限公司 Battery dynamic grouping system
CN104014491A (en) * 2014-06-26 2014-09-03 武汉中原长江科技发展有限公司 Screening method of parallel lithium ion batteries
CN104267355A (en) * 2014-10-29 2015-01-07 哈尔滨工业大学 Battery sorting method based on working condition testing and simplified impedance spectroscopy equivalent circuit model

Similar Documents

Publication Publication Date Title
CN102156265B (en) Device and method for testing health state of battery
WO2020135481A1 (en) Battery charging method and device
CN102508165B (en) Method for evaluating self-discharge consistency of lithium iron phosphate battery
CN103235267B (en) A kind of quick effective ratio is compared with the method for battery self discharge rate size
CN105510847A (en) Method for screening consistency of lithium ion batteries
CN103529402B (en) Extremely frigid zones power-type power lithium-ion battery low temperature charge-discharge performance detection system and method
CN102944849A (en) Rapid battery capacity detecting method for lithium ion batteries
Zheng et al. Fault identification and quantitative diagnosis method for series-connected lithium-ion battery packs based on capacity estimation
CN110426639B (en) Lithium ion battery service life prediction method and system based on dynamic impedance spectrum
CN102608535A (en) Method for pre-measuring volume of lithium ion battery
CN104111377A (en) Method for measuring DC (Direct Current) internal resistance of secondary battery in different charge states
CN111239629B (en) Echelon utilization state interval division method for retired lithium battery
Aizpuru et al. Passive balancing design for Li-ion battery packs based on single cell experimental tests for a CCCV charging mode
CN103353575A (en) Test apparatus and test method for measuring correspondence between OCV (open circuit voltage) and SOC (state of charge)
CN105093125A (en) Single nickel-hydrogen battery consistency evaluation system and method
CN104950263A (en) Estimation method for SOC of automobile power battery
Li et al. The open-circuit voltage characteristic and state of charge estimation for lithium-ion batteries based on an improved estimation algorithm
CN109490790A (en) Using the lithium dynamical battery power characteristic test method and device of compensated pulse method
CN103515663B (en) The charging device of power brick charging method and employing the method
CN110865307B (en) Battery module complementary energy detection method
Wang et al. Characteristic analysis of lithium titanate battery
Chen et al. Performance of inconsistency in lithium-ion battery packs for battery energy storage systems
CN104991201A (en) Lithium ion battery cell consistency evaluation system and method
CN102794272A (en) Grading method for lithium-ion battery capacity
CN103744029B (en) A kind of evaluation method based on internal resistance measurement cell residual capacity

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20151216

WD01 Invention patent application deemed withdrawn after publication