CN113567771A - Echelon screening method for lithium ion capacitor - Google Patents
Echelon screening method for lithium ion capacitor Download PDFInfo
- Publication number
- CN113567771A CN113567771A CN202010358694.1A CN202010358694A CN113567771A CN 113567771 A CN113567771 A CN 113567771A CN 202010358694 A CN202010358694 A CN 202010358694A CN 113567771 A CN113567771 A CN 113567771A
- Authority
- CN
- China
- Prior art keywords
- lithium ion
- ion capacitor
- discharge capacity
- normal
- internal resistance
- 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
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2605—Measuring capacitance
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a echelon screening method of a lithium ion capacitor, which comprises the following steps: the first step is as follows: pre-checking; and a second step: performing initial inspection; the third step: splitting; the fourth step: rechecking; the fifth step: screening; and matching and grouping the 1C normal-temperature discharge median voltage, the 1C normal-temperature discharge capacity, the full-state battery internal resistance and the voltage drop values under different discharge multiplying powers. According to the invention, through the research on the characteristics of the lithium ion capacitor, the 1C discharge median voltage, the 1C normal-temperature discharge capacity, the full-state battery internal resistance and the power characteristics are taken as screening grouping bases, and the power characteristics are taken as a final screening base, so that the high efficiency of the method is improved.
Description
Technical Field
The invention relates to the technical field of lithium ion capacitor echelon screening, in particular to a lithium ion capacitor echelon screening method.
Background
With the attention of the state to the energy storage industry, the energy storage is as small as household energy storage, and reaches a ten-thousand-volt high-voltage energy storage electric pile, so that the application range of the energy storage industry is wider and wider during the outbreak of 2018.
The lithium ion capacitor is a novel asymmetric capacitor with the characteristics of high energy density of the lithium ion battery and high power of the double electric layer capacitor, not only is the negative electrode material of the lithium ion battery and the positive electrode material of the double electric layer capacitor combined with the energy storage material of the lithium ion capacitor, but also the gap between the lithium ion battery and the supercapacitor is filled in the application range. Among a plurality of energy storage elements, lithium ion batteries and double electric layer capacitors are widely concerned due to outstanding performance advantages, and are applied to fields of new energy automobiles, rail transit, heavy machinery, smart power grids, military aerospace and the like in a large scale to different degrees.
Therefore, after the lithium ion battery is retired, how to better utilize the lithium ion capacitor is very important.
Disclosure of Invention
The invention aims to perform echelon screening work based on the characteristic of ultrahigh rate performance of a lithium ion capacitor, and provides a echelon screening method of the lithium ion capacitor.
In order to achieve the purpose, the invention adopts the following technical scheme:
a lithium ion capacitor echelon screening method comprises the following steps:
the first step is as follows: pre-checking; carrying out appearance detection on the lithium ion capacitor system;
the second step is that: performing initial inspection; the lithium ion capacitor system after the pre-detection is subjected to the measurement of full-electric internal resistance and normal-temperature discharge capacity to judge whether the normal-temperature discharge capacity meets 80% of the initial nominal capacity or not and whether the full-electric internal resistance is higher than 250% of the initial internal resistance or not;
the third step: splitting; splitting the lithium ion capacitor system into a 48V lithium ion capacitor module without a Battery Management System (BMS) so as to judge whether the capacitor module meets the requirements;
the fourth step: rechecking; the rechecking process is to discharge the 48V lithium ion capacitor module for 10s by multiplying power of 200C, 150C, 100C, 50C, 20C, 10C, 5C and 1C respectively, and then check the voltage drop and the discharge capacity of the lithium ion capacitor module; judging the relationship between the voltage drop values under different discharge multiplying powers and the value of ohm's law and the magnitude of discharge capacity;
the fifth step: screening; matching and grouping the voltage values of the 1C normal-temperature discharge medium voltage, the 1C normal-temperature discharge capacity, the full-state battery internal resistance and the voltage drop values under different discharge multiplying powers
S1, dividing the average value of the 1C discharge median voltage into a group, and dividing the average value of the 1C discharge median voltage into a group;
s2: on the basis of grouping by the average value of the 1C discharge median voltage, dividing 1C normal-temperature discharge capacity which is higher than the rated capacity by 90 percent into a group, and dividing 1C normal-temperature discharge capacity which is 80 to 90 percent of the rated capacity into a group;
s3: grouping the batteries according to the internal resistances of full-state batteries which are respectively not higher than 150%, 200% and 250% of rated internal resistance on the basis of grouping the 1C normal-temperature discharge capacity;
s4: on the basis of grouping the internal resistance of the full-state batteries, the discharge capacity meeting the power characteristics is taken as a final evaluation standard, so that 12 groups of lithium ion capacitor modules with different groups and high consistency are obtained.
As a further description of the above technical solution:
in the first step, appearance detection comprises judging whether deformation, liquid leakage, intact labels and complete functional components are generated; if all the requirements are met, entering the next process; if not, directly entering a recycling stage.
As a further description of the above technical solution:
in the second step, if the normal-temperature discharge capacity meets 80% or more of the initial nominal capacity and the full-state internal resistance is not higher than 250% of the initial internal resistance, entering the next flow; if either of the two is not satisfied, the recycling stage is directly entered.
As a further description of the above technical solution:
in the third step, if the split 48V lithium ion capacitor module conforms to the pre-detection process and the initial detection process, entering the next process; if not, directly entering a recycling stage.
As a further description of the above technical solution:
in the fourth step, if the voltage drop value under different discharge multiplying factors is not higher than 150% of the value of ohm's law, and the 1C-100C multiplying factor discharge capacity is not lower than 80% of 1C discharge capacity, entering the next process; if not, directly entering a recycling stage.
As a further description of the above technical solution:
in the fourth step, if the voltage drop value under different discharge multiplying factors is not higher than 150% of the value of ohm's law, and the 100C-200C multiplying factor discharge capacity is not lower than 70% of 1C discharge capacity, entering the next process; if not, directly entering a recycling stage.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, through the research on the characteristics of the lithium ion capacitor, the 1C discharge median voltage, the 1C normal-temperature discharge capacity, the full-state battery internal resistance and the power characteristics are taken as screening grouping bases, and the power characteristics are taken as a final screening base, so that the high efficiency of the method is improved.
2. According to the invention, the grouped lithium ion capacitors obtained by the method can be applied to the higher-level echelon utilization field of an energy storage system and the like or the lower-level echelon utilization field of an emergency power supply and the like according to the difference of grouping characteristics, so that the practicability of the method is improved.
3. The method has the advantages of less required equipment, strong universality, good transportability and simple operation, and only needs one charging and discharging equipment and one voltage resistance tester.
4. The method is not only suitable for the lithium ion capacitor or the super capacitor, but also suitable for the high-power lithium ion battery and the system thereof, and has strong compatibility and high industrialization possibility.
Drawings
FIG. 1 is a schematic flow diagram of the screening method of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, a method for screening lithium ion capacitors in a ladder manner includes five steps: pre-inspection, initial inspection, splitting, re-inspection and screening;
the first step is as follows: the content of the preview is as follows: carrying out appearance detection on the lithium ion capacitor system; the appearance detection comprises judging whether the label is deformed or not, whether the label leaks or not, whether the label is intact or not and whether functional components are complete or not; if not, directly entering a recycling stage.
Example two:
referring to fig. 1, a method for screening lithium ion capacitors in a ladder manner includes the following steps:
the first step is as follows: the content of the preview is as follows: carrying out appearance detection on the lithium ion capacitor system; the appearance detection comprises judging whether the label is deformed or not, whether the label leaks or not, whether the label is intact or not and whether functional components are complete or not; if all the requirements are met, entering the next process;
the second step is that: performing initial inspection; the lithium ion capacitor system after the pre-detection is subjected to the measurement of full-electric internal resistance and normal-temperature discharge capacity to judge whether the normal-temperature discharge capacity meets 80% of the initial nominal capacity or not and whether the full-electric internal resistance is higher than 250% of the initial internal resistance or not; if the normal-temperature discharge capacity does not meet 80% or more of the initial nominal capacity and the full-state internal resistance is higher than 250% of the initial internal resistance, if one of the two does not meet the requirement, the method directly enters a recycling stage.
Example three:
referring to fig. 1, a method for screening lithium ion capacitors in a ladder manner includes the following steps:
the first step is as follows: the content of the preview is as follows: carrying out appearance detection on the lithium ion capacitor system; the appearance detection comprises judging whether the label is deformed or not, whether the label leaks or not, whether the label is intact or not and whether functional components are complete or not; if all the requirements are met, entering the next process;
the second step is that: performing initial inspection; the lithium ion capacitor system after the pre-detection is subjected to the measurement of full-electric internal resistance and normal-temperature discharge capacity to judge whether the normal-temperature discharge capacity meets 80% of the initial nominal capacity or not and whether the full-electric internal resistance is higher than 250% of the initial internal resistance or not; if the normal-temperature discharge capacity meets 80% or more of the initial nominal capacity and the full-state internal resistance is not higher than 250% of the initial internal resistance, entering the next flow;
the third step: splitting; splitting the lithium ion capacitor system into a 48V lithium ion capacitor module without a Battery Management System (BMS) so as to judge whether the capacitor module meets the requirements; and if the split 48V lithium ion capacitor module does not conform to the pre-inspection process and the initial inspection process, directly entering a recycling stage.
Example four:
referring to fig. 1, a method for screening lithium ion capacitors in a ladder manner includes the following steps:
the first step is as follows: the content of the preview is as follows: carrying out appearance detection on the lithium ion capacitor system; the appearance detection comprises judging whether the label is deformed or not, whether the label leaks or not, whether the label is intact or not and whether functional components are complete or not; if all the requirements are met, entering the next process;
the second step is that: performing initial inspection; the lithium ion capacitor system after the pre-detection is subjected to the measurement of full-electric internal resistance and normal-temperature discharge capacity to judge whether the normal-temperature discharge capacity meets 80% of the initial nominal capacity or not and whether the full-electric internal resistance is higher than 250% of the initial internal resistance or not; if the normal-temperature discharge capacity meets 80% or more of the initial nominal capacity and the full-state internal resistance is not higher than 250% of the initial internal resistance, entering the next flow;
the third step: splitting; splitting the lithium ion capacitor system into a 48V lithium ion capacitor module without a Battery Management System (BMS) so as to judge whether the capacitor module meets the requirements; if the split 48V lithium ion capacitor module conforms to the pre-detection process and the initial detection process, entering the next process;
the fourth step: rechecking; the rechecking process is to discharge the 48V lithium ion capacitor module for 10s by multiplying power of 200C, 150C, 100C, 50C, 20C, 10C, 5C and 1C respectively, and then check the voltage drop and the discharge capacity of the lithium ion capacitor module; judging the relationship between the voltage drop values under different discharge multiplying powers and the value of ohm's law and the magnitude of discharge capacity; if the discharge capacity is not satisfied, the voltage drop value under different discharge rates is not higher than 150% of the value of ohm's law, and the 1C-100C rate discharge capacity is not lower than 80% of the 1C discharge capacity, then directly entering the recycling stage.
Example five:
referring to fig. 1, a method for screening lithium ion capacitors in a ladder manner includes the following steps:
the first step is as follows: the content of the preview is as follows: carrying out appearance detection on the lithium ion capacitor system; the appearance detection comprises judging whether the label is deformed or not, whether the label leaks or not, whether the label is intact or not and whether functional components are complete or not; if all the requirements are met, entering the next process;
the second step is that: performing initial inspection; the lithium ion capacitor system after the pre-detection is subjected to the measurement of full-electric internal resistance and normal-temperature discharge capacity to judge whether the normal-temperature discharge capacity meets 80% of the initial nominal capacity or not and whether the full-electric internal resistance is higher than 250% of the initial internal resistance or not; if the normal-temperature discharge capacity meets 80% or more of the initial nominal capacity and the full-state internal resistance is not higher than 250% of the initial internal resistance, entering the next flow;
the third step: splitting; splitting the lithium ion capacitor system into a 48V lithium ion capacitor module without a Battery Management System (BMS) so as to judge whether the capacitor module meets the requirements; if the split 48V lithium ion capacitor module conforms to the pre-detection process and the initial detection process, entering the next process;
the fourth step: rechecking; the rechecking process is to discharge the 48V lithium ion capacitor module for 10s by multiplying power of 200C, 150C, 100C, 50C, 20C, 10C, 5C and 1C respectively, and then check the voltage drop and the discharge capacity of the lithium ion capacitor module; judging the relationship between the voltage drop values under different discharge multiplying factors and the value of the ohm law and the size of the discharge capacity, and entering the next process if the voltage drop values under different discharge multiplying factors are not higher than 150% of the value of the ohm law and the 1C-100C multiplying factor discharge capacity is not lower than 80% of the 1C discharge capacity;
the fifth step: screening; matching and grouping the 1C normal-temperature discharge median voltage, the 1C normal-temperature discharge capacity, the full-state battery internal resistance and the voltage drop values under different discharge multiplying powers;
s1, dividing the average value of the 1C discharge median voltage into a group, and dividing the average value of the 1C discharge median voltage into a group;
s2: on the basis of grouping by the average value of the 1C discharge median voltage, dividing 1C normal-temperature discharge capacity which is higher than the rated capacity by 90 percent into a group, and dividing 1C normal-temperature discharge capacity which is 80 to 90 percent of the rated capacity into a group;
s3: grouping the batteries according to the internal resistances of full-state batteries which are respectively not higher than 150%, 200% and 250% of rated internal resistance on the basis of grouping the 1C normal-temperature discharge capacity;
s4: on the basis of grouping the internal resistance of the full-state batteries, the discharge capacity meeting the power characteristics is taken as a final evaluation standard, so that 12 groups of lithium ion capacitor modules with different groups and high consistency are obtained.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A lithium ion capacitor echelon screening method comprises the following steps:
the first step is as follows: pre-checking; carrying out appearance detection on the lithium ion capacitor system;
the second step is that: performing initial inspection; the lithium ion capacitor system after the pre-detection is subjected to the measurement of full-electric internal resistance and normal-temperature discharge capacity to judge whether the normal-temperature discharge capacity meets 80% of the initial nominal capacity or not and whether the full-electric internal resistance is higher than 250% of the initial internal resistance or not;
the third step: splitting; splitting the lithium ion capacitor system into a 48V lithium ion capacitor module without a Battery Management System (BMS) so as to judge whether the capacitor module meets the requirements;
the fourth step: rechecking; the rechecking process is to discharge the 48V lithium ion capacitor module for 10s by multiplying power of 200C, 150C, 100C, 50C, 20C, 10C, 5C and 1C respectively, and then check the voltage drop and the discharge capacity of the lithium ion capacitor module; judging the relationship between the voltage drop values under different discharge multiplying powers and the value of ohm's law and the magnitude of discharge capacity;
the fifth step: screening; matching and grouping the 1C normal-temperature discharge median voltage, the 1C normal-temperature discharge capacity, the full-state battery internal resistance and the voltage drop values under different discharge multiplying powers;
s1, dividing the average value of the 1C discharge median voltage into a group, and dividing the average value of the 1C discharge median voltage into a group;
s2: on the basis of grouping by the average value of the 1C discharge median voltage, dividing 1C normal-temperature discharge capacity which is higher than the rated capacity by 90 percent into a group, and dividing 1C normal-temperature discharge capacity which is 80 to 90 percent of the rated capacity into a group;
s3: grouping the batteries according to the internal resistances of full-state batteries which are respectively not higher than 150%, 200% and 250% of rated internal resistance on the basis of grouping the 1C normal-temperature discharge capacity;
s4: on the basis of grouping the internal resistance of the full-state batteries, the discharge capacity meeting the power characteristics is taken as a final evaluation standard, so that 12 groups of lithium ion capacitor modules with different groups and high consistency are obtained.
2. The lithium ion capacitor echelon screening method of claim 1, wherein in the first step, the appearance detection comprises judging whether the lithium ion capacitor is deformed, whether the lithium ion capacitor leaks liquid, whether a label is intact, and whether functional components are complete; if all the requirements are met, entering the next process; if not, directly entering a recycling stage.
3. The method for screening lithium ion capacitors in an echelon manner as claimed in claim 1, wherein in the second step, if the normal-temperature discharge capacity is 80% or more of the initial nominal capacity and the full-state internal resistance is not higher than 250% of the initial internal resistance, the next process is performed; if either of the two is not satisfied, the recycling stage is directly entered.
4. The echelon screening method of lithium ion capacitors as claimed in claim 1, wherein in the third step, if the split 48V lithium ion capacitor module conforms to the pre-inspection process and the initial inspection process, the next process is entered; if not, directly entering a recycling stage.
5. The echelon screening method of the lithium ion capacitor as claimed in claim 1, wherein in the fourth step, if the voltage drop value under different discharge rates is not higher than 150% of the value of ohm's law, and the 1C-100C rate discharge capacity is not lower than 80% of the 1C discharge capacity, the next procedure is entered; if not, directly entering a recycling stage.
6. The echelon screening method of the lithium ion capacitor as claimed in claim 1, wherein in the fourth step, if the voltage drop value under different discharge rates is not higher than 150% of the value of ohm's law, and the 100C-200C rate discharge capacity is not lower than 70% of the 1C discharge capacity, the next procedure is entered; if not, directly entering a recycling stage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010358694.1A CN113567771A (en) | 2020-04-29 | 2020-04-29 | Echelon screening method for lithium ion capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010358694.1A CN113567771A (en) | 2020-04-29 | 2020-04-29 | Echelon screening method for lithium ion capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113567771A true CN113567771A (en) | 2021-10-29 |
Family
ID=78158883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010358694.1A Pending CN113567771A (en) | 2020-04-29 | 2020-04-29 | Echelon screening method for lithium ion capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113567771A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1309064A2 (en) * | 2001-10-26 | 2003-05-07 | Renault s.a.s. | Method of managing of the operation of an electric energy storage source, in particular of a supercapacitor |
| CN1809758A (en) * | 2003-06-23 | 2006-07-26 | 矢崎总业株式会社 | Method and apparatus for judging deterioration of battery |
| KR20070020322A (en) * | 2003-06-23 | 2007-02-20 | 야자키 소교 가부시키가이샤 | Method and apparatus for judging deterioration of battery |
| JP2013096790A (en) * | 2011-10-31 | 2013-05-20 | Toyota Motor Corp | Method for detecting deterioration in lithium ion capacitor |
| CN104362395A (en) * | 2014-09-12 | 2015-02-18 | 奇瑞汽车股份有限公司 | Screening method for cascade utilization of waste cells |
| CN104617339A (en) * | 2014-11-18 | 2015-05-13 | 中国南方电网有限责任公司调峰调频发电公司 | Lithium ion battery group matching method |
| CN104607395A (en) * | 2013-11-01 | 2015-05-13 | 北汽福田汽车股份有限公司 | lithium ion battery sorting method |
| CN105665309A (en) * | 2015-11-20 | 2016-06-15 | 上海展枭新能源科技有限公司 | Screening method for echelon utilization of lithium ion capacitors |
| CN105738830A (en) * | 2016-04-14 | 2016-07-06 | 中山大学 | Cascade utilization analyzing method for lithium-ion power batteries |
| CN108199109A (en) * | 2018-01-16 | 2018-06-22 | 上海应用技术大学 | The screening technique that a kind of retired power battery pack echelon utilizes |
| CN108461858A (en) * | 2018-03-23 | 2018-08-28 | 上海应用技术大学 | A kind of screening technique that lithium titanate battery echelon utilizes |
| CN109683094A (en) * | 2018-12-19 | 2019-04-26 | 武汉新能源研究院有限公司 | A kind of quick method for separating and its sorting unit of lithium ion battery |
-
2020
- 2020-04-29 CN CN202010358694.1A patent/CN113567771A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1309064A2 (en) * | 2001-10-26 | 2003-05-07 | Renault s.a.s. | Method of managing of the operation of an electric energy storage source, in particular of a supercapacitor |
| CN1809758A (en) * | 2003-06-23 | 2006-07-26 | 矢崎总业株式会社 | Method and apparatus for judging deterioration of battery |
| KR20070020322A (en) * | 2003-06-23 | 2007-02-20 | 야자키 소교 가부시키가이샤 | Method and apparatus for judging deterioration of battery |
| US20070096743A1 (en) * | 2003-06-23 | 2007-05-03 | Yazaki Corporation | Method and apparatus for judging deterioration of battery |
| JP2013096790A (en) * | 2011-10-31 | 2013-05-20 | Toyota Motor Corp | Method for detecting deterioration in lithium ion capacitor |
| CN104607395A (en) * | 2013-11-01 | 2015-05-13 | 北汽福田汽车股份有限公司 | lithium ion battery sorting method |
| CN104362395A (en) * | 2014-09-12 | 2015-02-18 | 奇瑞汽车股份有限公司 | Screening method for cascade utilization of waste cells |
| CN104617339A (en) * | 2014-11-18 | 2015-05-13 | 中国南方电网有限责任公司调峰调频发电公司 | Lithium ion battery group matching method |
| CN105665309A (en) * | 2015-11-20 | 2016-06-15 | 上海展枭新能源科技有限公司 | Screening method for echelon utilization of lithium ion capacitors |
| CN105738830A (en) * | 2016-04-14 | 2016-07-06 | 中山大学 | Cascade utilization analyzing method for lithium-ion power batteries |
| CN108199109A (en) * | 2018-01-16 | 2018-06-22 | 上海应用技术大学 | The screening technique that a kind of retired power battery pack echelon utilizes |
| CN108461858A (en) * | 2018-03-23 | 2018-08-28 | 上海应用技术大学 | A kind of screening technique that lithium titanate battery echelon utilizes |
| CN109683094A (en) * | 2018-12-19 | 2019-04-26 | 武汉新能源研究院有限公司 | A kind of quick method for separating and its sorting unit of lithium ion battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108199109B (en) | Screening method for gradient utilization of retired power battery pack | |
| CN113369176B (en) | Sorting method and system for recycling retired batteries | |
| CN106356554B (en) | Battery grouping method and device | |
| CN104014491A (en) | Screening method of parallel lithium ion batteries | |
| WO2024060600A1 (en) | Screening method for echelon use of waste batteries | |
| CN103337671A (en) | Cascade utilization screening method of waste power batteries | |
| CN104617339A (en) | Lithium ion battery group matching method | |
| CN107617582B (en) | Echelon utilization screening and grouping method for power cells | |
| CN103579700A (en) | Sorting and grouping method for lithium ion batteries | |
| CN104090239A (en) | Series connection lithium ion battery screening method | |
| CN111786035A (en) | Lithium ion battery matching method | |
| CN111001588B (en) | Battery pack echelon recycling method | |
| CN201188554Y (en) | Cascade voltage-equalizing protecting equipment for super capacitor | |
| CN105280969B (en) | Lithium iron phosphate battery matching method for reducing discharge voltage difference between series-connected battery packs | |
| CN104934650A (en) | Method for reusing decommissioned lithium ion power battery | |
| CN107634274B (en) | A kind of battery pack method for group matching | |
| CN107377422A (en) | A kind of method for separating of cell | |
| CN105182244A (en) | Battery test matching screening method | |
| CN108226806B (en) | Charge self-discharge detection method and battery detection device | |
| CN106199298A (en) | A kind of ultracapacitor module test technology | |
| CN108767340A (en) | The group technology that lithium ion battery echelon utilizes | |
| CN106910957A (en) | A kind of secondary utilization lead-acid batteries screening technique | |
| CN113359047B (en) | Method for evaluating influence of internal short circuit measurement on performance of lithium ion battery | |
| CN113118056A (en) | Lithium battery echelon utilization screening method | |
| CN102340022B (en) | Power battery and manufacturing method for same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |