CN107748338A - The detection means and appraisal procedure of a kind of cycle life of lithium ion battery - Google Patents
The detection means and appraisal procedure of a kind of cycle life of lithium ion battery Download PDFInfo
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- CN107748338A CN107748338A CN201711284863.6A CN201711284863A CN107748338A CN 107748338 A CN107748338 A CN 107748338A CN 201711284863 A CN201711284863 A CN 201711284863A CN 107748338 A CN107748338 A CN 107748338A
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- lithium ion
- ion battery
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 102
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 102
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000001514 detection method Methods 0.000 title claims abstract description 20
- 238000012360 testing method Methods 0.000 claims abstract description 18
- 239000011888 foil Substances 0.000 claims description 18
- 238000011056 performance test Methods 0.000 claims description 7
- 229920002521 macromolecule Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000003792 electrolyte Substances 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- 230000005059 dormancy Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000011031 large-scale manufacturing process Methods 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000022131 cell cycle Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- 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
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
- G01R31/3865—Arrangements for measuring battery or accumulator variables related to manufacture, e.g. testing after manufacture
-
- 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
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/392—Determining battery ageing or deterioration, e.g. state of health
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides a kind of detection means of cycle life of lithium ion battery and appraisal procedure, the detection means of the cycle life of lithium ion battery, including two bottom plates and pressure sensor, two bottom plates be arranged in parallel, and lithium ion battery to be measured is between two bottom plates；Pressure sensor is arranged on a bottom plate side relative with lithium ion battery to be measured, and the output end of pressure sensor is electrically connected on signal processor.The detection means of above-mentioned cycle life of lithium ion battery, due to being provided with pressure sensor on bottom plate, when lithium ion battery carries out charge and discharge cycles test, because lithium ion battery thickness direction expands, pressure sensor will can in time be reflected to signal processor due to pressure change caused by lithium ion battery thickness change, pass through cycle-index and the graph of a relation of capacity attenuation rate and pressure change, the cycle life of lithium ion battery can be evaluated, above-mentioned testing result is more accurate, and appraisal procedure is simpler, adaptability is stronger.
Description
Technical field
The present invention relates to lithium ion battery detection device field, more particularly to a kind of inspection of cycle life of lithium ion battery
Survey device and appraisal procedure.
Background technology
With the continuous development of economy, the demand of the energy further improves, therefore the cry more and more higher of new energy.Lithium from
Sub- battery as a kind of green high-capacity rechargeable battery, because its capacity it is high, it is safe, have extended cycle life the advantages that be widely used
In telecommunications, traffic and aviation field.
In lithium ion battery in process of production, it is necessary to detected to cycle life of lithium ion battery, do not conformed to rejecting
Lattice product, the appraisal procedure of currently used cycle life of lithium ion battery is complex, and does not account for lithium ion battery
The influence to cycle life is expanded in use, and assessment test result accuracy is not high, influences the detection knot of product
Fruit.
CN106291372A discloses a kind of lithium-ion-power cell Cycle life prediction method, utilizes capacity attenuation mechanism
Electrochemical model is established, this method bimetry is accurate, but modeling process is complex, and model solution is not easy to realize, moreover,
Lithium ion battery is a kind of dynamic, nonlinear electro-chemical systems in actual application, operationally by external environment condition
And the influence of itself load.This method can not accurately react the loss of the capacity in actual application.
CN106324524A discloses a kind of fast prediction mode of cycle life of lithium ion battery, methods described, according to
Cycle-index, capability retention, the test data of electrolyte retention are fitted calculating, and the cycle life of battery is carried out in advance
Calculate, electrolyte retention is to disassemble the battery after different cycle-indexes, is placed in toasting in high temperature oven, until by electricity
Solve liquid drying to remove, using subtraction of poor quality, this method passes through electrolyte retention prediction loop life-span, practical operation
During, electrolyte has partial loss, is calculated for loop attenuation and certain error be present.
The content of the invention
Goal of the invention：In view of the above-mentioned problems, it is an object of the invention to provide a kind of detection of cycle life of lithium ion battery
Device and appraisal procedure, to solve the problems, such as that test result accuracy is not high, appraisal procedure is complex.
Technical scheme：
A kind of detection means of cycle life of lithium ion battery, including two bottom plates and pressure sensor, two bottoms
Plate be arranged in parallel, and lithium ion battery to be measured is between two bottom plates, and by fastener by two bottom plates and institute
Lithium ion battery fastening to be measured is stated to set；It is relative with the lithium ion battery to be measured that the pressure sensor is arranged on the bottom plate
A side on, the output end of the pressure sensor is electrically connected on signal processor, and the signal processor is shown
Real-time pressure data during the cycle performance of lithium ion battery test to be measured.
Above-mentioned technical proposal, due to being provided with pressure sensor on bottom plate, charge and discharge cycles survey is carried out in lithium ion battery
During examination, because lithium ion battery thickness direction expands, pressure sensor will can be made due to lithium ion battery thickness change
Into pressure change be reflected to signal processor in time, by cycle-index and the graph of a relation of capacity attenuation rate and pressure change,
The cycle life of lithium ion battery can be evaluated, it is contemplated that lithium ion battery expands the influence to cycle life, above-mentioned detection
As a result it is relatively accurate, and appraisal procedure is simpler, adaptability is stronger.
In one of the embodiments, the pressure sensor draws including elastic sensing element, resistance strain gage and two
Line, the elastic sensing element are arranged on a bottom plate side relative with the lithium ion battery to be measured, the electricity
Foil gauge is hindered between the bottom plate and the elastic sensing element, and one end of two leads connects the resistance respectively
The both ends of foil gauge, the other end are respectively and electrically connected to the signal processor.
Above-mentioned technical proposal, due to provided with elastic sensing element and resistance strain gage, when lithium ion battery thickness direction is sent out
During raw expansion, elastic sensing element can deform upon therewith when lithium ion battery thickness changes, so that resistance should
Become piece also to deform upon simultaneously, the resistance of resistance strain gage is also changed, so as to which resistance signal is transmitted to signal transacting
Device, and be converted into voltage signal, after be converted into pressure signal and show, so as to obtain pressure and capacity of lithium ion battery decay
The graph of a relation of rate.
In one of the embodiments, the resistance strain gage is wire form foil gauge, the resistance of wire form foil gauge for 60~
200MΩ。
In one of the embodiments, a diameter of 0.015~0.05mm of the wire form foil gauge.
In one of the embodiments, the thickness of the elastic sensing element is 0.025~0.05mm.
In one of the embodiments, the elastic sensing element is macromolecule material film.
A kind of appraisal procedure of cycle life of lithium ion battery, comprises the following steps：
1) between lithium ion battery to be measured being positioned over into two bottom plates, and with fastener by two bottom plates and lithium ion to be measured
Battery fastening is set；
2) lithium ion battery to be measured is subjected to charge-discharge performance test, while pressure sensor is opened into work, remembered
Record different cycle-indexes and corresponding capacity attenuation rate, the pressure data of pressure sensor；
3) calculating is fitted according to cycle-index, capacity attenuation rate and pressure data, the circulation longevity to lithium ion battery
Life is assessed.
Above-mentioned technical proposal, due to provided with pressure sensor, being tested by lithium ion battery in charge-discharge performance
Cheng Zhong, the thickness change of lithium ion battery is so as to the graph of a relation of caused pressure and capacity attenuation rate, so as to evaluate lithium ion
The cycle life of battery, the appraisal procedure process is simple, and assessment result is more accurate.
In one of the embodiments, the cycle-index is 500~2500 times.
Beneficial effect：The detection means and appraisal procedure of above-mentioned cycle life of lithium ion battery, compared with prior art, tool
Have the advantage that：
1st, the detection means of above-mentioned cycle life of lithium ion battery, due to being provided with pressure sensor on bottom plate, lithium from
When sub- battery carries out charge and discharge cycles test, because lithium ion battery thickness direction expands, pressure sensor can will be by
The pressure change caused by lithium ion battery thickness change is reflected to signal processor in time, passes through cycle-index and capacity attenuation
The graph of a relation of rate and pressure change, it can be estimated that go out the cycle life of lithium ion battery, it is contemplated that lithium ion battery is expanded to following
The influence in ring life-span, above-mentioned testing result is more accurate, and appraisal procedure is simpler, and adaptability is stronger.
2nd, the appraisal procedure of above-mentioned cycle life of lithium ion battery, due to provided with pressure sensor, passing through lithium ion battery
In charge-discharge performance test process, the thickness change of lithium ion battery is so as to the pass of caused pressure and capacity attenuation rate
System's figure, so as to evaluate the cycle life of lithium ion battery, the appraisal procedure process is simple, and assessment result is more accurate.
Brief description of the drawings
Fig. 1 is the structural representation of the detection means of the cycle life of lithium ion battery of the present invention；
Fig. 2 is the bottom plate of the present invention and the structural representation of pressure sensor；
Fig. 3 is capacity attenuation rate/cycle-index of the lithium ion battery to be measured of embodiment 1 and the pressure of pressure sensor
Fit correlation figure；
Fig. 4 is capacity attenuation rate/cycle-index of the lithium ion battery to be measured of embodiment 2 and the pressure of pressure sensor
Fit correlation figure；
Fig. 5 is capacity attenuation rate/cycle-index of the lithium ion battery to be measured of embodiment 3 and the pressure of pressure sensor
Fit correlation figure.
Embodiment
Embodiment 1
Refer to Fig. 1 and Fig. 2, a kind of detection means of cycle life of lithium ion battery, including two bottom plates 1 and pressure passes
Sensor 2, two bottom plates 1 be arranged in parallel, and lithium ion battery 100 to be measured is located between two bottom plates 1, and by fastener by two
Bottom plate 1 and the fastening of lithium ion battery to be measured 100 are set；Pressure sensor 2 is arranged on bottom plate 1 and the phase of lithium ion battery 100 to be measured
To a side on, the output end of pressure sensor 2 is electrically connected in signal processor (not shown).Pressure sensing
Device 2 can be located on a bottom plate 1 side relative with lithium ion battery 100 to be measured, can also be located at two bottoms respectively
On the side relative with lithium ion battery 100 to be measured of plate 1.In the present embodiment, pressure sensor 2 positioned at bottom plate 1 with
On a relative side of lithium ion battery 100 to be measured.
Wherein, pressure sensor 2 includes elastic sensing element 21, resistance strain gage 22 and two leads 23, and elasticity is sensitive
Element 21 is arranged on the side relative with lithium ion battery 100 to be measured of bottom plate 1, and resistance strain gage 22 is located at the He of bottom plate 1
Between elastic sensing element 21, one end of two leads 23 connects the both ends of resistance strain gage 22 respectively, and other end difference is electrical
It is connected to signal processor.Resistance signal is converted into voltage signal by signal processor, rear that voltage signal is converted into pressure again
Signal, so as to be shown on the display screen of signal processor.Preferably, the thickness of elastic sensing element 21 be 0.025~
0.05mm.Elastic sensing element 21 is macromolecule material film.Preferably, resistance strain gage 22 is wire form foil gauge, and wire form should
Become the resistance of piece as 60~200M Ω.A diameter of 0.015~0.05mm of wire form foil gauge.Wire form foil gauge is arranged into bar structure
Cloth.
In the present embodiment, the thickness of elastic sensing element 21 is 0.025mm.The resistance of wire form foil gauge is 60M Ω.Wire form
A diameter of 0.015mm of foil gauge.
A kind of appraisal procedure of cycle life of lithium ion battery, comprises the following steps：
1) between lithium ion battery to be measured being positioned over into two bottom plates, and with fastener by two bottom plates and lithium ion to be measured
Battery fastening is set.
2) lithium ion battery to be measured is subjected to charge-discharge performance test, while pressure sensor is opened into work, remembered
Record different cycle-indexes and corresponding capacity attenuation rate, the pressure data of pressure sensor.
3) calculating is fitted according to cycle-index, capacity attenuation rate and pressure data, the circulation longevity to lithium ion battery
Life is assessed.Wherein, cycle-index is 500~2500 times.In the present embodiment, cycle-index is 500 times.
The present embodiment carries out charge-discharge performance test, loop test condition by taking square lithium ion battery to be measured as an example
Cycle charge-discharge experiment is carried out with 1C/1C multiplying powers for 25 DEG C, charge and discharge mode is constant-current constant-voltage charging-shelve-constant-current discharge, is filled
Electric blanking voltage is 4.2V, discharge cut-off voltage 2.8V, and it is 10min to shelve dormancy time, and the test equipment used is the permanent wing
Can charge-discharge test cabinet.Cycle-index is 500 times.The voltage and capacity of lithium ion battery for the pressure sensor that the present embodiment obtains
The graph of a relation of attenuation rate is as shown in Fig. 3 and table 1.
The data summary table of the capacity attenuation rate of 1 lithium ion battery to be measured of table and the voltage of pressure sensor
From Fig. 3 and table 1, when capacity attenuation rate reaches 20%, the cycle life of the lithium ion battery to be measured reaches
The limit, according to Fig. 3 matched curve figure, the cycle life that can obtain the lithium ion battery to be measured of the present embodiment is estimated as 1200
Secondary, the cycle life data obtained with conventional capacity attenuation modeling method of testing relatively, illustrate the assessment side of the present invention
Method, the cycle life data of obtained lithium ion battery to be measured are more accurate, can be used for large-scale production appraisal procedure.
Embodiment 2
The present embodiment and the distinctive points of embodiment 1 are：In the structure of pressure sensor 2.In the present embodiment, elasticity is sensitive
The thickness of element 21 is 0.04mm.The resistance of wire form foil gauge is 200M Ω.A diameter of 0.035mm of wire form foil gauge.
The present embodiment carries out charge-discharge performance test, loop test condition by taking square lithium ion battery to be measured as an example
Cycle charge-discharge experiment is carried out with 1C/1C multiplying powers for 25 DEG C, charge and discharge mode is constant-current constant-voltage charging-shelve-constant-current discharge, is filled
Electric blanking voltage is 4.2V, discharge cut-off voltage 2.8V, and it is 10min to shelve dormancy time, and the test equipment used is the permanent wing
Can charge-discharge test cabinet.Cycle-index is 1500 times.The voltage for the pressure sensor that the present embodiment obtains holds with lithium ion battery
The graph of a relation of attenuation rate is measured as shown in Fig. 4 and table 2.
The data summary table of the capacity attenuation rate of 2 lithium ion battery to be measured of table and the voltage of pressure sensor
| Charge and discharge cycles number | Capacity attenuation rate (%) | The pressure value (N) of pressure sensor |
| 0 | 0 | 0 |
| 200 | 2.55 | 100 |
| 400 | 3.59 | 150 |
| 600 | 4.18 | 200 |
| 800 | 7.23 | 300 |
| 1000 | 10.14 | 400 |
| 1500 | 11.96 | 500 |
From Fig. 4 and table 2, the cycle life of the lithium ion battery to be measured of the present embodiment is estimated as 2500 times, with commonly using
The obtained cycle life data of capacity attenuation modeling method of testing relatively, illustrate the appraisal procedure of the present invention, obtain
The cycle life data of lithium ion battery to be measured are more accurate, can be used for large-scale production appraisal procedure.
Embodiment 3
The present embodiment and the distinctive points of embodiment 1 are：In the structure of pressure sensor 2.In the present embodiment, elasticity is sensitive
The thickness of element 21 is 0.05mm.The resistance of wire form foil gauge is 200M Ω.A diameter of 0.05mm of wire form foil gauge.
The present embodiment carries out charge-discharge performance test, loop test condition by taking square lithium ion battery to be measured as an example
Cycle charge-discharge experiment is carried out with 1C/1C multiplying powers for 25 DEG C, charge and discharge mode is constant-current constant-voltage charging-shelve-constant-current discharge, is filled
Electric blanking voltage is 4.2V, discharge cut-off voltage 2.8V, and it is 10min to shelve dormancy time, and the test equipment used is the permanent wing
Can charge-discharge test cabinet.Cycle-index is 2500 times.The voltage for the pressure sensor that the present embodiment obtains holds with lithium ion battery
The graph of a relation of attenuation rate is measured as shown in Fig. 5 and table 3.
The data summary table of the capacity attenuation rate of 3 lithium ion battery to be measured of table and the voltage of pressure sensor
| Charge and discharge cycles number | Capacity attenuation rate (%) | The pressure value (N) of pressure sensor |
| 0 | 0 | 0 |
| 500 | 4.05 | 170 |
| 1000 | 10.15 | 410 |
| 1500 | 11.85 | 535 |
| 2000 | 15.68 | 660 |
| 2500 | 19.41 | 795 |
From Fig. 5 and table 3, the cycle life of the lithium ion battery to be measured of the present embodiment is estimated as 2600 times, with commonly using
The obtained cycle life data of capacity attenuation modeling method of testing relatively, illustrate the appraisal procedure of the present invention, obtain
The cycle life data of lithium ion battery to be measured are more accurate, can be used for large-scale production appraisal procedure.
Claims (8)
1. a kind of detection means of cycle life of lithium ion battery, it is characterised in that including two bottom plates (1) and pressure sensor
(2), two bottom plates (1) be arranged in parallel, and lithium ion battery to be measured passes through fastening between two bottom plates (1)
Part sets two bottom plates (1) and the lithium ion battery fastening to be measured；The pressure sensor (2) is arranged on the bottom
On plate (1) side relative with the lithium ion battery to be measured, the output end of the pressure sensor (2) is electrically connected at
On signal processor, real-time number pressure when the signal processor shows the cycle performance of lithium ion battery test to be measured
According to.
A kind of 2. detection means of cycle life of lithium ion battery according to claim 1, it is characterised in that the pressure
Sensor (2) includes elastic sensing element (21), resistance strain gage (22) and two leads (23), the elastic sensing element
(21) it is arranged on the bottom plate (1) side relative with the lithium ion battery to be measured, the resistance strain gage (22)
Between the bottom plate (1) and the elastic sensing element (21), one end of two leads (23) connects described respectively
The both ends of resistance strain gage (22), the other end are respectively and electrically connected to the signal processor.
A kind of 3. detection means of cycle life of lithium ion battery according to claim 2, it is characterised in that the resistance
Foil gauge (22) is wire form foil gauge, and the resistance of wire form foil gauge is 60~200M Ω.
A kind of 4. detection means of cycle life of lithium ion battery according to claim 3, it is characterised in that the wire form
A diameter of 0.015~0.05mm of foil gauge.
5. a kind of detection means of cycle life of lithium ion battery according to claim 2~4 any one, its feature exist
In the thickness of the elastic sensing element (21) is 0.025~0.05mm.
6. a kind of detection means of cycle life of lithium ion battery according to claim 2~4 any one, its feature exist
In the elastic sensing element (21) is macromolecule material film.
7. the appraisal procedure of the cycle life of lithium ion battery described in a kind of claim 1, it is characterised in that including following step
Suddenly：
1) between lithium ion battery to be measured being positioned over into two bottom plates, and with fastener by two bottom plates and lithium ion battery to be measured
Fastening is set；
2) lithium ion battery to be measured is subjected to charge-discharge performance test, while pressure sensor is opened into work, record is not
With cycle-index and corresponding capacity attenuation rate, the pressure data of pressure sensor；
3) calculating is fitted according to cycle-index, capacity attenuation rate and pressure data, the cycle life of lithium ion battery is entered
Row is assessed.
A kind of 8. appraisal procedure of cycle life of lithium ion battery according to claim 7, it is characterised in that the circulation
Number is 500~2500 times.
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| CN108663273A (en) * | 2018-04-11 | 2018-10-16 | 上海空间电源研究所 | Measure the test method of lithium ion battery mechanical deformation stress |
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| DE102022004267A1 (en) | 2022-11-18 | 2024-05-23 | Mercedes-Benz Group AG | Method for determining a damage rate of a battery cell for an electrical energy storage device of a motor vehicle, method for determining an adjustable pressure, computer program product, computer-readable storage medium, electronic computing device and pressure regulating device |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001185234A (en) * | 1999-12-28 | 2001-07-06 | Sanyo Electric Co Ltd | Evaluation method cycle life properties of secondary battery |
| CN2636428Y (en) * | 2003-07-27 | 2004-08-25 | 高洪新 | Pressure resistance sensing element of pressure sensor |
| CN1976109A (en) * | 2006-12-14 | 2007-06-06 | 天津力神电池股份有限公司 | Lithium ion cell internal pressure measuring method |
| US20110033735A1 (en) * | 2008-12-05 | 2011-02-10 | Masahiro Kinoshita | Battery pack |
| JP2013092398A (en) * | 2011-10-24 | 2013-05-16 | Toyota Motor Corp | Secondary battery deterioration determination system and deterioration determination method |
| CN104142476A (en) * | 2013-05-08 | 2014-11-12 | 通用汽车环球科技运作有限责任公司 | Soc determination by evaluation of effects invoked by dimensional changes of battery cells |
| CN104730465A (en) * | 2015-03-04 | 2015-06-24 | 宁德新能源科技有限公司 | Lithium ion battery detection system and detection method applying same |
| CN105277885A (en) * | 2014-07-17 | 2016-01-27 | 宁波金和锂电材料有限公司 | Method for shortening the time of testing the cycle life of lithium ion batteries |
| CN106324524A (en) * | 2016-10-11 | 2017-01-11 | 合肥国轩高科动力能源有限公司 | Method for rapidly predicting cycle life of lithium ion battery |
| CN106785119A (en) * | 2016-12-26 | 2017-05-31 | 清华大学 | A kind of automobile-used aluminum plastic film cell thickness change test device |
| CN206235424U (en) * | 2016-12-14 | 2017-06-09 | 合肥国轩高科动力能源有限公司 | Testing device for monitoring battery charging and discharging bulging pressure |
| WO2017158923A1 (en) * | 2016-03-15 | 2017-09-21 | 東洋ゴム工業株式会社 | Sealed-type secondary battery remaining capacity prediction method, remaining capacity prediction system, battery internal information acquisition method, and battery control method |
-
2017
- 2017-12-07 CN CN201711284863.6A patent/CN107748338A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001185234A (en) * | 1999-12-28 | 2001-07-06 | Sanyo Electric Co Ltd | Evaluation method cycle life properties of secondary battery |
| CN2636428Y (en) * | 2003-07-27 | 2004-08-25 | 高洪新 | Pressure resistance sensing element of pressure sensor |
| CN1976109A (en) * | 2006-12-14 | 2007-06-06 | 天津力神电池股份有限公司 | Lithium ion cell internal pressure measuring method |
| US20110033735A1 (en) * | 2008-12-05 | 2011-02-10 | Masahiro Kinoshita | Battery pack |
| JP2013092398A (en) * | 2011-10-24 | 2013-05-16 | Toyota Motor Corp | Secondary battery deterioration determination system and deterioration determination method |
| CN104142476A (en) * | 2013-05-08 | 2014-11-12 | 通用汽车环球科技运作有限责任公司 | Soc determination by evaluation of effects invoked by dimensional changes of battery cells |
| CN105277885A (en) * | 2014-07-17 | 2016-01-27 | 宁波金和锂电材料有限公司 | Method for shortening the time of testing the cycle life of lithium ion batteries |
| CN104730465A (en) * | 2015-03-04 | 2015-06-24 | 宁德新能源科技有限公司 | Lithium ion battery detection system and detection method applying same |
| WO2017158923A1 (en) * | 2016-03-15 | 2017-09-21 | 東洋ゴム工業株式会社 | Sealed-type secondary battery remaining capacity prediction method, remaining capacity prediction system, battery internal information acquisition method, and battery control method |
| CN106324524A (en) * | 2016-10-11 | 2017-01-11 | 合肥国轩高科动力能源有限公司 | Method for rapidly predicting cycle life of lithium ion battery |
| CN206235424U (en) * | 2016-12-14 | 2017-06-09 | 合肥国轩高科动力能源有限公司 | Testing device for monitoring battery charging and discharging bulging pressure |
| CN106785119A (en) * | 2016-12-26 | 2017-05-31 | 清华大学 | A kind of automobile-used aluminum plastic film cell thickness change test device |
Non-Patent Citations (1)
| Title |
|---|
| 黄素逸, 华中科技大学出版社 * |
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