CN108807810A - Solid union lithium cell core pole piece and the lithium cell core for using the pole piece - Google Patents
Solid union lithium cell core pole piece and the lithium cell core for using the pole piece Download PDFInfo
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- CN108807810A CN108807810A CN201710313259.5A CN201710313259A CN108807810A CN 108807810 A CN108807810 A CN 108807810A CN 201710313259 A CN201710313259 A CN 201710313259A CN 108807810 A CN108807810 A CN 108807810A
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- Prior art keywords
- lithium cell
- cathode
- anode
- cell core
- pole piece
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
-
- 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
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/134—Electrodes based on metals, Si or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/665—Composites
- H01M4/667—Composites in the form of layers, e.g. coatings
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Secondary Cells (AREA)
Abstract
A kind of solid union lithium cell core pole piece is that sequentially stacking is combined into the second plate curren-collecting part of the first anode curren-collecting part of first anode collector plate, first anode coating layer of active substance, the first solid electrolyte interlayer, the first cathode active material coating, the cathode current collection portion of cathode current collection piece, the second cathode, the second solid electrolyte interlayer, second plate coating layer of active substance and second plate collector plate, and lithium cell core glue-line and then is wound respectively in connection with insulation at the both ends of the solid union lithium cell core pole piece of strip.Thereby, whether monolithic, storehouse or coiling and molding use, and all can make normal operation in the environment of high and low temperature via the characteristic of solid electrolyte coating, and the performance of battery can be allowed to stablize, safe to use to ensure.
Description
Technical field
The present invention is about a kind of solid union lithium cell core pole piece and using the lithium cell core of the pole piece, and espespecially one kind can
Performance in high and low temperature is stablized, safe to use to ensure.
Background technology
Core of lithium ion cell is due to light-weight at present, than the originals such as steel/aluminum-shell battery safety coefficient higher, not easy to explode
Cause, therefore be rapidly developed in certain fields, but it is substantially also the liquid lithium ionic cell core for having replaced packaging.Its
In, when battery makes the temperature of battery fluid increases to reach about 75- under charge and discharge state, short circuit or hot environment
When 80 DEG C or more of high temperature, such as class of dimethyl carbonate (dimethyl carbonate, DMC) is organic in electrolyte solution
Solvent and part impurity will will produce the air of such as class of hydrogen, oxygen and carbon dioxide, and form showing for inflatable and leakage
As, thus, which the performance of battery can not only be caused to decline, explosion phenomenon is even will produce, and have doubt for security.
Furthermore the processing procedure of the electrode slice in general lithium cell core is roughly divided into storehouse and winding two ways, two ways
All it is sandwiched diaphragm paper and then to repeat storehouse or to wind between cathode sheets and anode strip, and after putting shell into,
Electrolyte is injected, finally plays steel ball sealing to be molded a lithium cell core.However, diaphragm paper and electrolyte not high- and low-temperature resistance, when
When the temperature of battery fluid increases the high temperature of about 75-80 DEG C or more of arrival, the danger of inflatable explosion is not only had, and is had low
The problem of can not being operated under temperature.
Invention content
In view of this, in order to provide it is a kind of being different from the structure of the prior art, and improve above-mentioned disadvantage, inventor's product is more
The experience in year and continuous research and development improve, and have the generation of the present invention then.
The purpose of the present invention is providing a kind of solid union lithium cell core pole piece and using the lithium cell core of the pole piece, is being
By solid electrolyte interlayer and the sequentially stacking of each coating, sheet body, or by the structure coiling and molding after stacking, with by solid-state electricity
The electric conductivity stabilization of matter interlayer and the characteristic of high- and low-temperature resistance are solved, the problem of making at high temperature, can prevent inflatable, leakage,
It is safe to use to ensure, and can normal operation in low temperature environment.
In order to achieve the above object, the solid union lithium cell core pole piece set by the present invention includes a cathode current collection piece, one the
One cathode active material coating, one first solid electrolyte interlayer, a first anode coating layer of active substance, a first anode current collection
Piece, one second cathode active material coating, one second solid electrolyte interlayer, a second plate coating layer of active substance and one second
Anode collector plate.Wherein, which is made of a cathode tab and a cathode current collection portion, and cathode current collection portion has anti-
To and corresponding first face and the second face；The first face for being incorporated into cathode current collection portion on one side of first cathode active material coating
On, the first solid electrolyte interlayer and the sequentially stacking of first anode coating layer of active substance are in the another of the first cathode active material coating
On on one side；The first anode collector plate is made of a first anode lug and a first anode curren-collecting part, first anode current collection
Portion is incorporated on one side on the another side of first anode coating layer of active substance.And the one side of the second cathode active material coating combines
In on second face in cathode current collection portion, the second solid electrolyte interlayer and the sequentially stacking of second plate coating layer of active substance are in second
On the another side of cathode active material coating；The second plate collector plate is by a second plate lug and a second plate curren-collecting part
It is formed, second plate curren-collecting part is incorporated on one side on the another side of second plate coating layer of active substance.
When implementation, first face and the second face in cathode current collection portion are rectangle respectively.
When implementation, first anode lug and second plate lug collectively constitute an anode lug group, anode lug group and the moon
Pole lug is located at reversed position；Anode lug group may also be at position in the same direction with cathode tab.
When implementation, the present invention further includes one first insulating layer and a third insulating layer, the first insulating layer are incorporated into cathode collection
On first face in electric portion, the first insulating layer abuts the side of the first cathode active material coating；And third insulating layer is incorporated into the moon
On second face of pole curren-collecting part, third insulating layer abuts the side of the second cathode.
When implementation, the present invention further includes a second insulating layer and one the 4th insulating layer, second insulating layer are incorporated into cathode collection
On first face in electric portion, second insulating layer abuts the other side of the first cathode active material coating；And the 4th insulating layer is incorporated into
On second face in cathode current collection portion, the 4th insulating layer abuts the other side of the second cathode.
Lithium cell core set by the present invention is with the solid union lithium cell core pole piece of strip by first end direction second
The direction at end is wound, wherein on the first anode curren-collecting part of first end combine one first insulation glue-line, the second of first end
One second insulation glue-line is combined on anode curren-collecting part, and third insulation glue-line is combined on the first anode curren-collecting part of second end, the
One the 4th insulation glue-line is combined on the second plate curren-collecting part at two ends.
Description of the drawings
Fig. 1 is the component exploded view of the preferred embodiment of solid union lithium cell core pole piece of the present invention.
Fig. 2 is the three-dimensional appearance schematic diagram of the preferred embodiment of solid union lithium cell core cathode sheets of the present invention.
Fig. 3 is the A-A ' diagrammatic cross-sections of Fig. 2.
Fig. 4 is the three-dimensional appearance schematic diagram after the preferred embodiment storehouse molding of lithium cell core of the present invention.
Three-dimensional appearance schematic diagram when Fig. 5 is the preferred embodiment expansion of lithium cell core of the present invention.
Fig. 6-Fig. 8 is the three-dimensional appearance schematic diagram after the preferred embodiment coiling and molding of lithium cell core of the present invention.
Specific implementation mode
It please refers to Fig.1 shown in -3, is the preferred embodiment of solid union lithium cell core pole piece 1 of the present invention, including respectively
A cathode current collection piece 11, one first cathode active material coating 12, one first insulating layer 13, one second of elongated sheet are exhausted
Edge layer 14, one first solid electrolyte interlayer 15, a first anode coating layer of active substance 16, a first anode collector plate 17, one
Second cathode active material coating 18, a third insulating layer 19, one the 4th insulating layer 20, one second solid electrolyte interlayer 21,
One second plate coating layer of active substance 22 and a second plate collector plate 23.
The cathode current collection piece 11 is aluminium foil, and cathode current collection piece 11 is by a strip cathode tab 111 and a cathode current collection
Portion 112 is formed, wherein cathode current collection portion 112 has reversed and corresponding first face, 113 and second face 114, the first face
113 and second face 114 be rectangle respectively.
First cathode active material coating 12 and the second cathode 18 are respectively lithium sulphur compound coating, also can be
LiMnO2、LiMn2O4、LiCoO2、Li2Cr2O7、Li2CrO4、LiNiO2、LiFeO2、LiNixCo1-xO2、LiFePO4、
LiMn0.5Ni0.5O2、LiMn1/3Co1/3Ni1/3O2、LiMc0.5Mn1.5O4Or combinations of the above.
First insulating layer 13, second insulating layer 14, third insulating layer 19 and the 4th insulating layer 20 respectively insulating cement or exhausted
Edge paint, the first insulating layer 13 and second insulating layer 14 are respectively in connection with adjacent on first face 113 in cathode current collection portion 112, and respectively
Connect the both sides of the first cathode active material coating 12；Third insulating layer 19 and the 4th insulating layer 20 are respectively in connection in cathode current collection portion
On 112 the second face 114, and abutted respectively with the both sides of the second cathode 18.
First solid electrolyte interlayer 15 and the second solid electrolyte interlayer 21 are respectively solid-state molecular polyelectrolyte coating,
And the solid-state molecular polyelectrolyte system is ceramic alumina conjunction object or aluminium oxide, glass ceramics, also can be the macromolecule of high- and low-temperature resistance
Polymer, such as：With the repetitive unit E indicated by following general formula I1：
Wherein repetitive unit E1There are two tools and repetitive unit E1Four N atoms in two bond side groups, L1
And L2；
L1And L2Independently indicate group R1-SO3M；
R1Indicate hydrocarbon；
M is indicated selected from by Li+、Na+、H+And K+The cation of the group of composition；
R3Indicate group H or SO3M；
And x indicates the integer more than 10.
First anode coating layer of active substance 16 and second plate coating layer of active substance 22 are lithium metal mixed oxide
(lithium mixed metal oxide) coating, also can be respectively by forming, and on silicon materials surface after commercial Si powder ball milling
Coat carbon film.And first anode collector plate 17 and second plate collector plate 23 are respectively that aluminium foil or copper foil are one such,
And first anode collector plate 17 is made of strip first anode lug 171 and first anode curren-collecting part 172, second plate collection
Electric piece 23 is made of strip second plate lug 231 and second plate curren-collecting part 232.
Above-mentioned first cathode active material coating 12 is incorporated on one side on first face 113 in cathode current collection portion 112, and first
Solid electrolyte interlayer 15 and the sequentially stacking of first anode coating layer of active substance 16 are in the another of the first cathode active material coating 12
On one side, and the first anode curren-collecting part 172 of first anode collector plate 17 is incorporated into first anode coating layer of active substance 16 on one side
Another side on.In addition, the second cathode 18 is incorporated on one side on second face 114 in cathode current collection portion 112, the second solid-state electricity
Matter interlayer 21 and the sequentially stacking of second plate coating layer of active substance 22 are solved in the another side of the second cathode 18, and second plate
The second plate curren-collecting part 232 of collector plate 23 is incorporated on one side on the another side of second plate coating layer of active substance 22.
It please refers to shown in Fig. 4, each component of solid union lithium cell core pole piece 1 of the present invention is through said sequence stacking and roll-in
Later, you can be shaped to a sheet body, and first anode lug 171 and second plate lug 231 is made to collectively constitute an anode lug
Group 24, when anode lug group 24 and cathode tab 111 are located at position in the same direction, and with multiple solid union lithium cell core pole pieces 1
When being stacked into a lithium cell core 3, you can the current capacity of bigger is provided.
As shown in figure 5, when the solid union lithium cell core pole piece 1 of lithium cell core 3 of the present invention is elongated, solid union
Lithium cell core pole piece 1 has reversed first end 31 and second end 32, wherein on the first anode curren-collecting part 172 of first end 31
In conjunction with one first insulation glue-line 311, one second insulation glue-line 312 is combined on the second plate curren-collecting part 232 of first end 31, second
It holds and combines third insulation glue-line 321 on 32 first anode curren-collecting part 172, on the second plate curren-collecting part 232 of second end 32
In conjunction with one the 4th insulation glue-line 322.First insulation glue-line 311, second insulate glue-line 312, third insulation glue-line 321 and the 4th absolutely
Edge glue-line 322 is respectively insulating cement or insulated paint.When strip solid union lithium cell core pole piece 1 is by first end 31 towards second
After the direction winding at end 32, you can be molded lithium cell core 3 as shown in FIG. 6.
And it is as shown in Figure 7, Figure 8, it, also can be in length when anode lug group 24 is located at reversed position with cathode tab 111
After bar shaped solid union lithium cell core pole piece 1 is wound, it is in Soft Roll type, cylindrical type or square to make lithium cell core 3, and via each
The configuration of insulation glue-line, to effectively prevent short circuit phenomenon.
Therefore, the present invention has the following advantages that：
1, present invention system is by solid electrolyte interlayer and the sequentially stacking of each coating, sheet body, to replace existing diaphragm simultaneously
Therefore paper and electrolyte not only can effectively improve operating efficiency to reduce manufacture and assembly cost, prevent at high temperature
The problem of inflatable, leakage, is safe to use to ensure, and can in low temperature environment can normal operation to promote efficiency.
2, pole piece of the invention can be used with monolithic, storehouse, or make to be in Soft Roll being rolled into long sheet and then winding
The lithium cell core of the various type bodies such as type, cylindrical type or square, it is therefore, quite easy in processing operation, and in use quite
With elasticity.
Described above to be merely exemplary for the purpose of the present invention, and not restrictive, those of ordinary skill in the art understand,
In the case where not departing from spirit and scope defined by claims appended below, many modifications can be made, are changed, or wait
Effect, but fall in protection scope of the present invention.
Claims (9)
1. a kind of solid union lithium cell core pole piece, which is characterized in that including：
One cathode current collection piece is made of a cathode tab and a cathode current collection portion, which has reversed and opposite
The first face and the second face answered；
One first cathode active material coating, is incorporated on one side on first face in the cathode current collection portion；
One first solid electrolyte interlayer is incorporated into the another side of the first cathode active material coating on one side；
One first anode coating layer of active substance is incorporated into the another side of the first solid electrolyte interlayer on one side；
One first anode collector plate is made of a first anode lug and a first anode curren-collecting part, the first anode current collection
The another side for being incorporated into the first anode coating layer of active substance on one side in portion；
One second cathode, is incorporated on one side on second face in the cathode current collection portion；
One second solid electrolyte interlayer, is incorporated into the another side of second cathode on one side；
One second plate coating layer of active substance is incorporated into the another side of the second solid electrolyte interlayer on one side；And
One second plate collector plate is made of a second plate lug and a second plate curren-collecting part, the second plate current collection
The another side for being incorporated into the second plate coating layer of active substance on one side in portion.
2. solid union lithium cell core pole piece according to claim 1, which is characterized in that first face in the cathode current collection portion
And second face be rectangle respectively.
3. solid union lithium cell core pole piece according to claim 1, which is characterized in that the first anode lug and this
Two anode lugs collectively constitute an anode lug group, which is located at reversed position with the cathode tab.
4. solid union lithium cell core pole piece according to claim 1, which is characterized in that the first anode lug and this
Two anode lugs collectively constitute an anode lug group, which is located at position in the same direction with the cathode tab.
5. the solid union lithium cell core pole piece according to any one of claim 1,2,3 or 4, which is characterized in that more wrap
One first insulating layer is included, which is incorporated on first face in the cathode current collection portion, and first insulating layer adjoining should
The side of first cathode active material coating.
6. solid union lithium cell core pole piece according to claim 5, which is characterized in that a second insulating layer is further included,
The second insulating layer is incorporated on first face in the cathode current collection portion, and the second insulating layer abuts first cathode active material
The other side of coating.
7. solid union lithium cell core pole piece according to claim 1,2,3 or 4, which is characterized in that further include a third
Insulating layer, the third insulating layer are incorporated on second face in the cathode current collection portion, and the third insulating layer abuts second cathode
The side of coating.
8. solid union lithium cell core pole piece according to claim 7, which is characterized in that one the 4th insulating layer is further included,
4th insulating layer is incorporated on second face in the cathode current collection portion, and the 4th insulating layer abuts the another of second cathode
Side.
9. a kind of lithium cell core using solid union lithium cell core pole piece as described in claim 1, which is characterized in that this is solid
State composite lithium ion battery core pole piece is elongated, and with reversed first end and second end, the lithium cell core is by the solid union
The direction of the first end of lithium cell core pole piece towards second end is wound, and one is combined on the first anode curren-collecting part of the first end
First insulation glue-line combines one second insulation glue-line, the first anode of the second end on the second plate curren-collecting part of the first end
Third insulation glue-line is combined on curren-collecting part, and one the 4th insulation glue-line is combined on the second plate curren-collecting part of the second end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710313259.5A CN108807810A (en) | 2017-05-05 | 2017-05-05 | Solid union lithium cell core pole piece and the lithium cell core for using the pole piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710313259.5A CN108807810A (en) | 2017-05-05 | 2017-05-05 | Solid union lithium cell core pole piece and the lithium cell core for using the pole piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108807810A true CN108807810A (en) | 2018-11-13 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710313259.5A Withdrawn CN108807810A (en) | 2017-05-05 | 2017-05-05 | Solid union lithium cell core pole piece and the lithium cell core for using the pole piece |
Country Status (1)
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| CN (1) | CN108807810A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018221344A1 (en) * | 2018-12-10 | 2020-06-10 | Robert Bosch Gmbh | Electrode stack for a galvanic cell |
| WO2020120097A1 (en) * | 2018-12-10 | 2020-06-18 | Robert Bosch Gmbh | Electrode stack for a galvanic cell |
| US20210336292A1 (en) * | 2020-04-28 | 2021-10-28 | StoreDot Ltd. | Multi-electrolyte battery |
| WO2024044883A1 (en) * | 2022-08-29 | 2024-03-07 | 宁德时代新能源科技股份有限公司 | Electrode assembly, battery cell, battery and electric device |
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|---|---|---|---|---|
| CN102760905A (en) * | 2011-04-28 | 2012-10-31 | 迪吉亚节能科技股份有限公司 | High-capacity lithium battery |
| CN102760849A (en) * | 2011-04-28 | 2012-10-31 | 迪吉亚节能科技股份有限公司 | Lithium battery |
| WO2015013855A1 (en) * | 2013-07-29 | 2015-02-05 | 东莞乔登节能科技有限公司 | Electrode plate, shaping method of electrode plate and shaping method of lithium battery core having electrode plate |
| CN206711954U (en) * | 2017-05-05 | 2017-12-05 | 迪吉亚节能科技股份有限公司 | Solid union lithium cell core pole piece and the lithium cell core using the pole piece |
-
2017
- 2017-05-05 CN CN201710313259.5A patent/CN108807810A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102760905A (en) * | 2011-04-28 | 2012-10-31 | 迪吉亚节能科技股份有限公司 | High-capacity lithium battery |
| CN102760849A (en) * | 2011-04-28 | 2012-10-31 | 迪吉亚节能科技股份有限公司 | Lithium battery |
| WO2015013855A1 (en) * | 2013-07-29 | 2015-02-05 | 东莞乔登节能科技有限公司 | Electrode plate, shaping method of electrode plate and shaping method of lithium battery core having electrode plate |
| CN206711954U (en) * | 2017-05-05 | 2017-12-05 | 迪吉亚节能科技股份有限公司 | Solid union lithium cell core pole piece and the lithium cell core using the pole piece |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018221344A1 (en) * | 2018-12-10 | 2020-06-10 | Robert Bosch Gmbh | Electrode stack for a galvanic cell |
| WO2020120097A1 (en) * | 2018-12-10 | 2020-06-18 | Robert Bosch Gmbh | Electrode stack for a galvanic cell |
| US20210336292A1 (en) * | 2020-04-28 | 2021-10-28 | StoreDot Ltd. | Multi-electrolyte battery |
| WO2024044883A1 (en) * | 2022-08-29 | 2024-03-07 | 宁德时代新能源科技股份有限公司 | Electrode assembly, battery cell, battery and electric device |
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Application publication date: 20181113 |
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