CN108346827A - A kind of devices and methods therefor of design lithium-ion battery electrolytes formula - Google Patents
A kind of devices and methods therefor of design lithium-ion battery electrolytes formula Download PDFInfo
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- CN108346827A CN108346827A CN201810370330.8A CN201810370330A CN108346827A CN 108346827 A CN108346827 A CN 108346827A CN 201810370330 A CN201810370330 A CN 201810370330A CN 108346827 A CN108346827 A CN 108346827A
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- ion battery
- buffer area
- electrolyte
- lithium
- lithium ion
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 88
- 239000003792 electrolyte Substances 0.000 title claims abstract description 80
- 238000013461 design Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000008569 process Effects 0.000 claims abstract description 6
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 5
- 238000005070 sampling Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 230000010412 perfusion Effects 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 claims description 2
- 238000002525 ultrasonication Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 1
- 238000005457 optimization Methods 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 239000000654 additive Substances 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 230000000996 additive effect Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000009472 formulation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of devices of design lithium-ion battery electrolytes formula, including lithium ion battery, buffer area, clamping plate, clamping element, long and narrow deformable channel is provided between the lithium ion battery and the buffer area, the clamping plate is arranged two pieces, it is respectively arranged at two sides of the lithium ion battery, the buffer area, the clamping element is set to the clamping plate both sides, and the invention also discloses the methods of design lithium-ion battery electrolytes formula.It is an advantage of the invention that when recycling different cycles according to lithium ion battery electrolyte component variation, determine Expenditure Levels of the electrolyte component in cyclic process, the actual interpolation amount of electrolyte prescription is determined according to the actual consumption of electrolyte, it is with strong points, electrolyte component adjustment number is significantly reduced, the time spent by optimization electrolyte prescription is shortened.
Description
Technical field
The present invention relates to lithium battery electrolytes production field more particularly to a kind of design lithium-ion battery electrolytes formulas
Devices and methods therefor.
Background technology
Lithium ion battery have specific capacity is high, self discharge is small, operating temperature range is wide, voltage platform is high, have extended cycle life,
Memory-less effect, it is environmentally friendly the advantages that, be widely used to the fields such as mobile phone, laptop, electric tool, and
Gradually promoted in electric vehicle field.
Electrolyte is lithium ion battery " blood ", and the reasonable design degree of electrolyte prescription is bright on the influence of the performance of battery
It is aobvious, especially long-term cycle performance.Conventional electrolyte design method is that rule of thumb a given initial formula, battery are logical
Cycle performance of battery often was obtained after cycle by 300~1000 weeks, the ratio of adjustment solvent, additive is assessed further according to experience
Example.Such design method usually requires repeatedly to adjust the ratio of solvent, additive, and is followed after adjustment ratio every time
It is also longer the time required to ring, integrally take a substantial amount of time.In addition cannot orient certain solvent, additive it is specific effect and
Expenditure Levels especially recycle later battery, and electrolyte inside is dry, it is difficult to electrolye analysis Expenditure Levels are collected, it cannot
It targetedly reduces in electrolyte and partly consumes seldom component, electrolyte cost is made to increase.
Invention content
Goal of the invention：In view of the above-mentioned problems, the object of the present invention is to provide a kind of design lithium-ion battery electrolytes formulas
Devices and methods therefor, reduce optimization electrolyte prescription spent by time.
Technical solution：
A kind of device of design lithium-ion battery electrolytes formula, including lithium ion battery, buffer area, clamping plate, clamping element,
Long and narrow deformable channel is provided between the lithium ion battery and the buffer area, the clamping plate is arranged two pieces, respectively
Two sides of the lithium ion battery, the buffer area are set to, the clamping element is set to the clamping plate both sides, the folder
When tight part clamps two pieces of clamping plates, the channel is closed, and the lithium ion battery and the buffer area are mutual indepedent, the folder
When tight part unclamps two pieces of clamping plates, the channel is opened, and the lithium ion battery is connected to the buffer area.
Preferably, the shell of the lithium ion battery, the buffer area, the channel be all made of plastic-aluminum shell integrally impact at
Type impacts to form lithium-ion electric pool area, buffer area in plastic-aluminum shell respectively, is formed between lithium-ion electric pool area and buffer area
Channel, manufacture craft is simple, at low cost.
Preferably, for the ease of observation, the clamping plate uses glass plate.
Specifically, the clamping element uses dovetail clip, the dynamics that dovetail clip clamps so that channel is closed, lithium in 30kg or so
Ion battery is mutual indepedent with buffer area.
The invention also discloses a kind of methods of design lithium-ion battery electrolytes formula, include the following steps：
It is provided with the channel between step 1, the lithium ion battery and the buffer area, is filled in buffer area perfusion
The electrolyte of foot；
Step 2 closes the channel, keeps the lithium ion battery and the buffer area mutual indepedent；
The positive and negative anodes of the lithium ion battery are separately connected charging/discharging apparatus by step 3, carry out charge and discharge cycles；
After step 4, the lithium ion battery carry out charge and discharge cycles, charging/discharging apparatus is removed, stops recycling, described in opening
Channel, the electrolyte of the buffer area are sufficiently mixed with the electrolyte in the lithium ion battery；
The constituent content of electrolyte is taken out in electrolyte in step 5, the taking-up buffer area, test, is sealed after sampling
The buffer area；
Step 6 repeats step 2~5, obtains the electrolyte component change information under different cycle cycles；
Step 7, according to the change information of component in electrolyte, determine consumption feelings of the electrolyte component in cyclic process
Condition determines the actual interpolation amount of the component in electrolyte prescription, reaches best electrolyte design side according to actual consumption
Case.
In above-mentioned steps 2, the lithium ion battery and the buffer area specifically are clamped using two pieces of clamping plates, utilizes institute
Stating clamping element makes the clamping plate clamp, and the channel is closed, and the lithium ion battery and the buffer area are mutual indepedent.
Specifically, in above-mentioned steps 4, the clamping element, the clamping plate, the lithium ion battery and the buffer area are unclamped
Connection, the electrolyte of the buffer area are sufficiently mixed with the electrolyte in the lithium ion battery.To the lithium ion battery, institute
State buffer area carry out ultrasonication, improve in the lithium ion battery, the buffer area electrolyte mixing speed and
Even property.
Specifically, in above-mentioned steps 5, sampled using pinhole sampler in the buffer area, after sampling is completed, to sampling
Place carries out vacuum sealing using sealing machine.
Advantageous effect：Compared with prior art, it is an advantage of the invention that clever structure, device production process is easy, cost
Low, the variation of electrolyte component when recycling different cycles according to lithium ion battery determines electrolyte component in cyclic process
Expenditure Levels determine the actual interpolation amount of electrolyte prescription according to the actual consumption of electrolyte, with strong points, hence it is evident that reduce electricity
Liquid adjustment of formula number is solved, shortens the time spent by optimization electrolyte prescription, improves working efficiency, and can targetedly adjust
Whole bath composition makes electrolyte application performance improve, cost reduction.
Description of the drawings
Attached drawing 1 is the structural schematic diagram for the device for designing lithium-ion battery electrolytes formula；
Attached drawing 2 is the structural schematic diagram of lithium ion battery and buffer area；
The circulation volume conservation rate comparison diagram that attached drawing 3 is formulated for electrolyte original formulation and after optimizing.
Specific implementation mode
In the following with reference to the drawings and specific embodiments, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate
It the present invention rather than limits the scope of the invention, after having read the present invention, those skilled in the art are to of the invention each
The modification of kind equivalent form falls within the application range as defined in the appended claims.
As shown in attached drawing 1-2, a kind of device of design lithium-ion battery electrolytes formula, including lithium ion battery 1, caching
Area 2, clamping plate 3, clamping element 4, channel 5.Impact two holes on smooth plastic-aluminum shell 6, respectively lithium-ion electric pool area and
Region is cached, then the internal component of lithium ion battery is placed in lithium-ion electric pool area, and is gentle to lithium-ion electric pool area
Deposit region surrounding to be sealed, sequentially form buffer area 2, channel 5, lithium ion battery 1 from top to bottom, channel 5 be located at lithium from
Between sub- battery 1 and buffer area 2, channel 5 makes lithium ion battery 1, buffer area 2 keep connection, when channel 5 is when being squeezed,
The side wall in channel 5 closely can be such that channel 5 closes.When in order to operate glass plate, clamping plate 3 are used convenient for observation, clamping plate 3
Two pieces of setting.Lithium ion battery 1, buffer area 2 are vertically placed, and buffer area 2 is located at 1 top of lithium ion battery, and clamping plate 3 is respectively set
In former and later two sides of lithium ion battery 1, buffer area 2.Clamping element 4 uses dovetail clip, is fixed on the left and right sides of clamping plate 3.
When clamping element 4 clamps two clamping plates 3, channel 5 is closed, and lithium ion battery 1 is mutual indepedent with buffer area 2；Clamping element 4 unclamps two pieces
When clamping plate 3, channel 5 is opened, and lithium ion battery 1 is connected to buffer area.
The invention also discloses a kind of methods of design lithium-ion battery electrolytes formula, include the following steps：
It is provided with channel 5 between step 1, lithium ion battery 1 and buffer area 2, in the upper left corner of buffer area 2 perfusion abundance
Electrolyte simultaneously seals, and initial electrolyte group becomes 1mol/L LiPF6, EC/DEC/EMC=2:5:3, VC=1%, PS=
3%, SN=1%, FEC=5%.
Step 2, lithium ion battery 1 and buffer area 2 are placed vertically, and buffer area 2 is located at 1 top of lithium ion battery, utilizes two
Block clamping plate 3 clamps lithium ion battery 1 and buffer area 2, so that clamping plate 3 is clamped using clamping element 4, so that channel 5 is closed, lithium ion battery
1 is mutual indepedent with buffer area 2.
The anode 7 of lithium ion battery 1, cathode 8 are respectively communicated with charging/discharging apparatus by step 3, use the cycle system of 1/1C
Lithium ion battery is carried out charge and discharge cycles by formula.
Step 4, lithium ion battery 1 carried out charge and discharge cycles after 100 weeks, stopped cycle, unclamped clamping element 4, clamping plate 3,
Lithium ion battery 1 is connected to buffer area 2, and buffer area 2 is shelved 24 hours upward, and ultrasound is carried out to lithium ion battery 1, buffer area 2
Wave processing, makes the electrolyte of buffer area 2 be sufficiently mixed with the electrolyte in lithium ion battery 1.
Step 5 is sampled in the upper right corner of buffer area 2 using GC-MS pinhole samplers, and the electrolyte in buffer area 2 is taken out,
The constituent content of electrolyte is taken out in test, after sampling is completed, to carrying out vacuum sealing using sealing machine at sampling.
Step 6 repeats step 2~5, and clamping plate 3 is clamped lithium ion battery 1 and buffer area 2, carries out charge and discharge again and follows
Ring respectively obtains charge and discharge cycles 200 weeks, 300 weeks, the electrolyte component under 400 cycles, as shown in table 1 below.
The component table of electrolyte under the different cycle cycles of table 1
| Classification | Original scale | Cycle 100 weeks | Cycle 200 weeks | Cycle 300 weeks | Cycle 400 weeks |
| EC | 15% | 13.8% | 13.1% | 12.5% | 11.9% |
| DEC | 37% | 39.1% | 40.3% | 42.1% | 43.9% |
| EMC | 25% | 26.4% | 26.9% | 27.2% | 27.9% |
| VC | 1% | 0.4% | 0.2% | 0.0% | 0.0% |
| PS | 3% | 2.5% | 2.2% | 1.6% | 1.7% |
| SN | 1% | 1.1% | 1.1% | 1.3% | 1.5% |
| FEC | 5% | 3.7% | 3.2% | 2.3% | 2.1% |
Step 7, according to the data in table 1, it can be seen that VC consumption is very fast, SN in the whole process almost without consumption,
FEC does not also change substantially after cycle 300 weeks.For above-mentioned data explanation during cycle, VC is participating in always film forming
And consume, therefore the content of VC can be promoted, two kinds of additives of PS, FEC tend towards stability afterwards to a certain extent in cycle, can
With suitably optimization of C/C composites, SN never changes, therefore appropriate can reduce.EC consumption is very fast in terms of solvent, can
Suitably to promote the content of EC, the content of DEC or EMC is reduced.
For the Expenditure Levels of solvent and additive in table 1, electrolyte is adjusted according to the design optimization formula in table 2
It is whole.
The original formulation and design optimization of 2 electrolyte of table are formulated contrast table
| Classification | Original formulation | Design optimization formula |
| EC | 15% | 18% |
| DEC | 37% | 36% |
| EMC | 25% | 24% |
| VC | 1.0% | 2.0% |
| PS | 3.0% | 2.5% |
| SN | 1.0% | 0.5% |
| FEC | 5.0% | 4.0% |
After electrolyte optimizes formula, lithium ion battery carries out application performance test, and test result is as shown in Fig. 3,
Curve 1 is the capacity retention ratio being formulated after design optimization, and curve 2 is the capacity retention ratio of original formulation.It can from attached drawing 3
Expenditure Levels of each component in cyclic process are out directed to, additive, the solvent in electrolyte are reasonably adjusted,
Cycle conservation rate is can effectively improve, method feasibility is high.Number significantly reduces needed for optimization electrolyte component, saves design
The time required to lithium-ion battery electrolytes formula, working efficiency is improved.
Claims (9)
1. a kind of device of design lithium-ion battery electrolytes formula, it is characterised in that：Including lithium ion battery (1), buffer area
(2), clamping plate (3), clamping element (4) are provided with long and narrow deformable between the lithium ion battery (1) and the buffer area (2)
Channel (5), the clamping plate (3) is arranged two pieces, be respectively arranged at the lithium ion battery (1), two of the buffer area (2)
Side, the clamping element (4) is set to the clamping plate (3) both sides, when the clamping element (4) clamps two pieces of clamping plate (3), institute
Channel (5) closing is stated, independently of each other with the buffer area (2), the clamping element (4) unclamps two pieces to the lithium ion battery (1)
When clamping plate (3), the channel (5) is opened, and the lithium ion battery (1) is connected to the buffer area (2).
2. a kind of device of design lithium-ion battery electrolytes formula according to claim 1, it is characterised in that：The lithium
The shell of ion battery (1), the buffer area (2), the channel (5) are all made of the integrally impact molding of plastic-aluminum shell.
3. a kind of device of design lithium-ion battery electrolytes formula according to claim 1, it is characterised in that：The folder
Plate (3) uses glass plate.
4. a kind of device of design lithium-ion battery electrolytes formula according to claim 1, it is characterised in that：The folder
Tight part (4) uses dovetail clip.
5. a kind of method of design lithium-ion battery electrolytes formula, it is characterised in that include the following steps：
It is provided with the channel (5) between step 1, the lithium ion battery (1) and the buffer area (2), in the buffer area
(2) the sufficient electrolyte of perfusion；
Step 2 closes the channel (5), keeps the lithium ion battery (1) mutual indepedent with the buffer area (2)；
The anode of the lithium ion battery (1), cathode are separately connected charging/discharging apparatus by step 3, carry out charge and discharge cycles；
After step 4, the lithium ion battery (1) carry out charge and discharge cycles, stops cycle, open the channel (5), the caching
The electrolyte in area (2) is sufficiently mixed with the electrolyte in the lithium ion battery (1)；
Electrolyte in step 5, the taking-up buffer area (2), fractions tested content, the sealing buffer area (2) after sampling；
Step 6 repeats step 2~5, obtains the electrolyte component change information under different cycle cycles；
Step 7, according to the change information of component in electrolyte, determine Expenditure Levels of the electrolyte component in cyclic process, root
According to the actual consumption of electrolyte, determines the actual interpolation amount of the component in electrolyte prescription, reach best electrolyte design
Scheme.
6. a kind of method of design lithium-ion battery electrolytes formula according to claim 5, it is characterised in that：The step
In rapid 2, two pieces of clamping plates (3) are clamped into the lithium ion battery (1) and the buffer area (2), are utilized the clamping element (4)
The clamping plate (3) is set to clamp, the channel (5) is closed, and the lithium ion battery (1) is mutual indepedent with the buffer area (2).
7. a kind of method of design lithium-ion battery electrolytes formula according to claim 5, it is characterised in that：The step
In rapid 4, the clamping element (4), the clamping plate (3) are unclamped, the lithium ion battery (1) is connected to the buffer area (2), described
The electrolyte of buffer area (2) is sufficiently mixed with the electrolyte in the lithium ion battery (1).
8. a kind of method of design lithium-ion battery electrolytes formula according to claim 5, it is characterised in that：The step
Further include that ultrasonication is carried out to the lithium ion battery (1), the buffer area (2) in rapid 4.
9. a kind of method of design lithium-ion battery electrolytes formula according to claim 5, it is characterised in that：The step
In rapid 5, sampled using pinhole sampler in the buffer area (2), it is true to being carried out using sealing machine at sampling after sampling is completed
Sky sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810370330.8A CN108346827B (en) | 2018-04-24 | 2018-04-24 | Device and method for designing lithium ion battery electrolyte formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810370330.8A CN108346827B (en) | 2018-04-24 | 2018-04-24 | Device and method for designing lithium ion battery electrolyte formula |
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| Publication Number | Publication Date |
|---|---|
| CN108346827A true CN108346827A (en) | 2018-07-31 |
| CN108346827B CN108346827B (en) | 2024-01-30 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011222412A (en) * | 2010-04-13 | 2011-11-04 | Aisin Seiki Co Ltd | Lithium-air battery system |
| CN206497929U (en) * | 2017-02-06 | 2017-09-15 | 东莞市迈科新能源有限公司 | A kind of flexible packing lithium ion battery |
| CN107464911A (en) * | 2016-06-06 | 2017-12-12 | 万向二三股份公司 | A kind of lithium ion battery heated at constant temperature priming device and its method |
| WO2018020586A1 (en) * | 2016-07-26 | 2018-02-01 | 日立化成株式会社 | Flow battery system and power generation system |
| CN208028180U (en) * | 2018-04-24 | 2018-10-30 | 上海力信能源科技有限责任公司 | A kind of device of design lithium-ion battery electrolytes formula |
-
2018
- 2018-04-24 CN CN201810370330.8A patent/CN108346827B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011222412A (en) * | 2010-04-13 | 2011-11-04 | Aisin Seiki Co Ltd | Lithium-air battery system |
| CN107464911A (en) * | 2016-06-06 | 2017-12-12 | 万向二三股份公司 | A kind of lithium ion battery heated at constant temperature priming device and its method |
| WO2018020586A1 (en) * | 2016-07-26 | 2018-02-01 | 日立化成株式会社 | Flow battery system and power generation system |
| CN206497929U (en) * | 2017-02-06 | 2017-09-15 | 东莞市迈科新能源有限公司 | A kind of flexible packing lithium ion battery |
| CN208028180U (en) * | 2018-04-24 | 2018-10-30 | 上海力信能源科技有限责任公司 | A kind of device of design lithium-ion battery electrolytes formula |
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