CN111180803A - Voltage-resistant polymer lithium ion battery monolithic cell structure and manufacturing process thereof - Google Patents
Voltage-resistant polymer lithium ion battery monolithic cell structure and manufacturing process thereof Download PDFInfo
- Publication number
- CN111180803A CN111180803A CN202010171101.0A CN202010171101A CN111180803A CN 111180803 A CN111180803 A CN 111180803A CN 202010171101 A CN202010171101 A CN 202010171101A CN 111180803 A CN111180803 A CN 111180803A
- Authority
- CN
- China
- Prior art keywords
- negative
- positive
- film
- plate
- diaphragm
- 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
-
- 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
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
-
- 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
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion 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
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a single-chip cell structure of a voltage-resistant polymer lithium ion battery, which is characterized in that: the invention also discloses a manufacturing process of the pressure-resistant polymer lithium ion battery monolithic cell structure.
Description
Technical Field
The invention relates to the technical field of lithium ion batteries, in particular to a single-chip cell structure of a voltage-resistant polymer lithium ion battery and a manufacturing process thereof.
Background
Lithium ion batteries have been widely used in consumer electronics and electric vehicle products, and even in high voltage environments, due to their high energy density, long cycle life, no memory effect, and the like.
The battery core of the lithium ion battery generally used in a high-voltage environment includes an anode strip, a diaphragm and a cathode strip which are adjacently arranged in sequence, the anode strip, the diaphragm and the cathode strip are wound into a circle, and the anode strip, the diaphragm and the cathode strip which are formed into the circle can be used in the high-voltage environment only after being flattened and shaped.
In view of the above, the inventor of the present invention has made an intensive conception for the defects and inconveniences caused by the imperfect structural design, and has actively researched and developed the present invention by means of improvement and trial.
Disclosure of Invention
The invention aims to provide a voltage-resistant polymer lithium ion battery monolithic cell structure and a manufacturing process thereof.
In order to achieve the purpose, the invention adopts the technical scheme that:
a single-chip cell structure of a pressure-resistant polymer lithium ion battery comprises at least one positive plate, at least one negative plate and at least one diaphragm which are polymerized together by a thermal compounding method, wherein each diaphragm is positioned between the adjacent positive plate and the adjacent negative plate, the positive plates and the diaphragms are bonded together through an adhesive, and the negative plates and the diaphragms are bonded together through the adhesive.
The positive plate comprises a punched aluminum foil and a positive electrode film, and the positive electrode film is arranged on the lower surface of the punched aluminum foil.
The positive electrode film contains a positive electrode active material, a bonding agent and a positive electrode conductive agent, wherein the positive electrode active material is at least one of nickel cobalt lithium manganate, lithium iron phosphate and lithium cobaltate, the positive electrode conductive agent is at least one of carbon black, graphite, VGCF or colloidal graphite, and the bonding agent is polyvinylidene fluoride.
The negative plate comprises a copper foil and a negative film, and the negative film is arranged on the upper surface and the lower surface of the copper foil.
The negative electrode film contains a negative electrode active material, a binder and a negative electrode conductive agent, the negative electrode active material is graphite or mesocarbon microbeads, the negative electrode conductive agent is at least one of carbon black, flaked graphite and VGCF, and the binder is polyvinylidene fluoride.
The diaphragm is a PP film or a PE film containing an adhesive, the adhesive is polyvinylidene fluoride, and the adhesive is arranged on the surface of the diaphragm.
The number of the positive plates is two, the number of the negative plates is one, the number of the diaphragms is two, and the negative plates and the diaphragms are arranged between the positive plates.
A manufacturing process of a voltage-resistant polymer lithium ion battery monolithic cell structure is used for manufacturing the voltage-resistant polymer lithium ion battery monolithic cell structure and comprises the following steps: (1) manufacturing a positive plate; (2) manufacturing a negative plate; (3) manufacturing a diaphragm; (4) assembling the lamination: each diaphragm is positioned between an adjacent positive plate and an adjacent negative plate, the positive plates are bonded with the diaphragms through adhesives, the negative plates are bonded with the diaphragms through adhesives, and the positive plates, the negative plates and the diaphragms are aggregated together through a thermal compounding method to form a single-chip cell structure of the pressure-resistant polymer lithium ion battery.
The thermal compounding temperature is 120-150 ℃, and the compression rate of the positive plate, the negative plate and the diaphragm which are polymerized together is 1-5%.
The manufacturing process of the single-chip cell structure of the voltage-resistant polymer lithium ion battery also comprises the step (5) of extraction;
the manufacturing steps of the positive plate are as follows: the positive plate comprises a punched aluminum foil and a positive plate film, wherein the positive plate film contains a positive active material, an adhesive and a positive conductive agent, the positive active material, the adhesive, the pore-increasing agent and the positive conductive agent are uniformly stirred to prepare the positive plate film, and then the positive plate film is hot-pressed and cut into the positive plate sheet, and the positive plate film is arranged on the lower surface of the punched aluminum foil;
the negative plate manufacturing steps are as follows: the negative plate comprises a copper foil and a negative film, wherein the negative film contains a negative active material, a bonding agent and a negative conductive agent, the negative active material, the bonding agent, the pore-forming agent and the negative conductive agent are uniformly stirred to prepare a negative film, and then the negative film is hot-pressed with the copper foil and is cut into negative plates, and the negative films are arranged on the upper surface and the lower surface of the copper foil;
the diaphragm manufacturing steps are as follows: the diaphragm is a PP film or a PE film containing an adhesive, the adhesive and the pore-increasing agent are coated on the PP film or the PE film in a dipping mode, and the adhesive is arranged on the surface of the diaphragm;
the extraction process comprises the following steps: and (4) extracting the pressure-resistant polymer lithium ion battery monolithic cell structure prepared in the step (4) in a methanol solution, removing the pore-increasing agent, and then drying.
After the technical scheme is adopted, the positive plate and the diaphragm are bonded together and the diaphragm and the negative plate are bonded together by the pressure-resistant polymer lithium ion battery monolithic cell structure through the adhesive, and the positive plate, the negative plate and the diaphragm are polymerized together by the thermal compounding method, so that gaps among the positive plate, the negative plate and the diaphragm are small, the combination is firm, smooth and compact in structure, the positive plate, the negative plate and the diaphragm are not deformed under a high-pressure environment, and the diaphragm 2 is not damaged, so that the pressure-resistant polymer lithium ion battery monolithic cell structure cannot be delaminated and deformed under the high-pressure environment, safety and reliability are realized, and the pressure-resistant polymer lithium ion battery monolithic cell structure is high in mechanical strength and flatness.
Drawings
Fig. 1 is an exploded view of the monolithic cell structure of the voltage-resistant polymer lithium ion battery of the present invention (1).
Fig. 2 is a partially exploded view of the monolithic cell structure of the voltage-resistant polymer lithium ion battery of the present invention.
Fig. 3 is an exploded view (2) of the monolithic cell structure of the voltage-resistant polymer lithium ion battery of the present invention.
[ notation ] to show
Punching aluminium foil 11 positive electrode film 12 positive electrode ear 13
Detailed Description
To achieve the above objects and advantages, the present invention provides a novel and improved technical means and structure, which will be described in detail in connection with the preferred embodiments of the present invention.
Referring to fig. 1 to 3, the present invention discloses a monolithic cell structure of a pressure-resistant polymer lithium ion battery, comprising at least one positive plate 1, at least one negative plate 3 and at least one diaphragm 2, which are polymerized together by a thermal compounding method, wherein each diaphragm 2 is located between adjacent positive plate 1 and negative plate 3, the positive plate 1 and the diaphragm 2 are bonded together through an adhesive, the negative plate 3 and the diaphragm 2 are bonded together through an adhesive, wherein the positive plate 1 is provided with a positive tab 13, the negative plate 3 is provided with a negative tab 33, the positive tab 13 is electrically connected to the negative tab 33, and the positive tab 13 of the positive tab 1 and the negative tab 33 of the negative tab 3 may be disposed on the same side, as shown in fig. 1 to 2, however, the present invention is not limited to this, and positive electrode tab 13 of positive electrode sheet 1 and negative electrode tab 33 of negative electrode sheet 3 may be provided on different sides.
Therefore, the single-chip cell structure of the pressure-resistant polymer lithium ion battery disclosed by the invention has the advantages that the positive plate 1 and the diaphragm 2 are bonded together through the adhesive, the diaphragm 2 and the negative plate 3 are bonded together, and the positive plate 1, the negative plate 3 and the diaphragm 2 are polymerized together through a thermal compounding method, so that gaps among the positive plate 1, the negative plate 3 and the diaphragm 2 are small, firm in combination, smooth and compact in structure, the positive plate 1, the negative plate 3 and the diaphragm 2 are not deformed under a high-pressure environment, the diaphragm 2 is not damaged, the single-chip cell structure of the pressure-resistant polymer lithium ion battery disclosed by the invention cannot be delaminated and deformed under the high-pressure environment, the safety and the reliability are realized, the mechanical strength and the flatness of the single-chip cell structure of the pressure-resistant polymer lithium ion battery disclosed by the invention are high, and the battery manufactured by the single-chip cell structure of the pressure-resistant polymer lithium, And (6) explosion.
In this embodiment, the number of the positive plates 1 is two, the number of the negative plates 3 is one, the number of the diaphragms 2 is two, the positive plates 1 are located on the outermost sides, the negative plates 3 and the diaphragms 2 are arranged between the positive plates 1, so that the positive and negative surfaces of the negative lugs 33 of the negative plates 3 are electrically connected with the positive lugs 13 of the two positive plates 1, the electric capacity of the cell of the invention is enlarged, and the whole structure of the voltage-resistant polymer lithium ion battery cell of the invention is small and thin, but not limited to this, and the number of the positive plates 1, the number of the negative plates 3 and the number of the diaphragms 2 may be one or other numbers.
The positive electrode sheet 1 may include a punched aluminum foil 11 and a positive electrode film 12, the positive electrode film 12 may be disposed on a lower surface of the punched aluminum foil 11, the positive electrode tab 13 may be formed on the punched aluminum foil 11, and the positive electrode film 12 may include a positive electrode active material, a binder, and a positive electrode conductive agent.
Further, the positive electrode active material may be at least one of lithium nickel cobalt manganese oxide, lithium iron phosphate, and lithium cobaltate or a material doped with them, the positive electrode conductive agent may be at least one of carbon black, graphite, VGCF, or colloidal graphite, that is, the positive electrode conductive agent may be one or more of carbon black, graphite, VGCF, or colloidal graphite, and the binder of the positive electrode film 12 may be polyvinylidene fluoride.
Next, the negative electrode sheet 3 may include a copper foil 31 and a negative electrode film 32, as shown in fig. 3, the negative electrode film 32 is disposed on the upper surface and the lower surface of the copper foil 31, the negative electrode tab 33 is formed on the copper foil 31, and the negative electrode film 32 may include a negative electrode active material, a binder, and a negative electrode conductive agent.
Further, the negative active material is graphite or mesocarbon microbeads, the negative conductive agent is at least one of carbon black, flaked graphite and VGCF, that is, the negative conductive agent is one or more of carbon black, flaked graphite and VGCF, and the binder of the negative film 32 may be polyvinylidene fluoride.
Further, the diaphragm 2 is a PP film or a PE film containing an adhesive, the adhesive is polyvinylidene fluoride, and the adhesive is provided on the surface of the diaphragm.
The invention also discloses a manufacturing process of the voltage-resistant polymer lithium ion battery monolithic cell structure, which is used for manufacturing the voltage-resistant polymer lithium ion battery monolithic cell structure and comprises the following steps: (1) manufacturing a positive plate 1; (2) manufacturing a negative plate 3; (3) manufacturing a diaphragm 2; (4) assembling the lamination: each diaphragm 2 is positioned between an adjacent positive plate 1 and an adjacent negative plate 3, the positive plate 1 and the diaphragm 2 are bonded together through an adhesive, the negative plate 3 and the diaphragm 2 are bonded together through the adhesive, and the positive plate 1, the negative plate 3 and the diaphragm 2 are polymerized together through a thermal compounding method to form a single-chip cell structure of the pressure-resistant polymer lithium ion battery; when the number of the positive plates 1 is two, the number of the negative plates 3 is one, and the number of the diaphragms 2 is two, the positive plates 1 are located on the outermost side, the negative plates 3 and the diaphragms 2 are arranged between the positive plates 1 to form two positive plates 1, one negative plate 3 and two diaphragms 2 are located in the middle, and the stacking sequence is one positive plate 1, one diaphragm 2, one negative plate 3, one diaphragm 2 and one positive plate 1 in sequence.
Next, the manufacturing step of the positive electrode sheet 1 is: the positive plate 1 comprises a punched aluminum foil 11 and a positive film 12 containing a positive active material, an adhesive and a positive conductive agent, the positive active material, the adhesive, the pore-increasing agent and the positive conductive agent are uniformly stirred to prepare the positive film 12, and then the positive film 12 is hot-pressed and cut into the positive plate 1 with the punched aluminum foil 11; the manufacturing steps of the negative plate 3 are as follows: the negative electrode sheet 3 comprises a copper foil 31 and a negative electrode film 32 containing a negative electrode active material, a bonding agent and a negative electrode conductive agent, the negative electrode active material, the bonding agent, the pore-forming agent and the negative electrode conductive agent are uniformly stirred to prepare the negative electrode film 32, and then the negative electrode film 32 is hot-pressed with the copper foil 31 and is cut into the negative electrode sheets 3; the manufacturing steps of the diaphragm 2 are as follows: the diaphragm 2 is a PP film or a PE film containing an adhesive, the adhesive and the pore-increasing agent are coated on the PP film or the PE film in a dipping mode, and the adhesive is arranged on the surface of the diaphragm; the porosity of the single-chip cell structure of the pressure-resistant polymer lithium ion battery prepared by the invention can be improved by utilizing the pore-increasing agent; as shown in fig. 3, the negative electrode films 32 are disposed on the upper surface and the lower surface of the copper foil 31, and the positive electrode film 12 is disposed on the lower surface of the punched aluminum foil 11.
Further, the thermal compounding temperature is 120-150 ℃, and the compression rate of the positive plate 1, the negative plate 3 and the diaphragm 2 which are combined together is 1-5%, so that the positive plate 1, the negative plate 3 and the diaphragm 2 are combined together more tightly, and gaps among the positive plate 1, the negative plate 3 and the diaphragm 2 are further reduced.
Furthermore, the manufacturing process of the single-chip cell structure of the voltage-resistant polymer lithium ion battery disclosed by the invention can also comprise the step (5) of extraction; the extraction process comprises the following steps: and (4) extracting the pressure-resistant polymer lithium ion battery monolithic cell structure prepared in the step (4) in a methanol solution, removing the pore-increasing agent, and then drying.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. Therefore, the scope of the present invention should not be limited to the embodiments disclosed, but includes various alternatives and modifications without departing from the present invention, which are encompassed by the claims.
Claims (10)
1. A withstand voltage polymer lithium ion battery monolithic electricity core structure which characterized in that: the composite material comprises at least one positive plate, at least one negative plate and at least one diaphragm which are polymerized together by a thermal compounding method, wherein each diaphragm is positioned between the adjacent positive plate and the adjacent negative plate, the positive plates and the diaphragms are bonded together by adhesives, and the negative plates and the diaphragms are bonded together by adhesives.
2. The monolithic cell structure of claim 1, wherein: the positive plate comprises a punched aluminum foil and a positive electrode film, and the positive electrode film is arranged on the lower surface of the punched aluminum foil.
3. The monolithic cell structure of claim 2, wherein: the positive electrode film contains a positive electrode active material, a bonding agent and a positive electrode conductive agent, wherein the positive electrode active material is at least one of nickel cobalt lithium manganate, lithium iron phosphate and lithium cobaltate, the positive electrode conductive agent is at least one of carbon black, graphite, VGCF or colloidal graphite, and the bonding agent is polyvinylidene fluoride.
4. The monolithic cell structure of claim 1, wherein: the negative plate comprises a copper foil and a negative film, and the negative film is arranged on the upper surface and the lower surface of the copper foil.
5. The monolithic cell structure of claim 4, wherein: the negative electrode film contains a negative electrode active material, a binder and a negative electrode conductive agent, the negative electrode active material is graphite or mesocarbon microbeads, the negative electrode conductive agent is at least one of carbon black, flaked graphite and VGCF, and the binder is polyvinylidene fluoride.
6. The monolithic cell structure of claim 1, wherein: the diaphragm is a PP film or a PE film containing an adhesive, the adhesive is polyvinylidene fluoride, and the adhesive is arranged on the surface of the diaphragm.
7. The monolithic cell structure of claim 1, wherein: the number of the positive plates is two, the number of the negative plates is one, the number of the diaphragms is two, and the negative plates and the diaphragms are arranged between the positive plates.
8. A manufacturing process of a voltage-resistant polymer lithium ion battery monolithic cell structure, which is used for manufacturing the voltage-resistant polymer lithium ion battery monolithic cell structure of claim 1, and is characterized by comprising the following steps:
(1) manufacturing a positive plate;
(2) manufacturing a negative plate;
(3) manufacturing a diaphragm;
(4) assembling the lamination: each diaphragm is positioned between an adjacent positive plate and an adjacent negative plate, the positive plates are bonded with the diaphragms through adhesives, the negative plates are bonded with the diaphragms through adhesives, and the positive plates, the negative plates and the diaphragms are aggregated together through a thermal compounding method to form a single-chip cell structure of the pressure-resistant polymer lithium ion battery.
9. The process of claim 8, wherein the process comprises the steps of: the thermal compounding temperature is 120-150 ℃, and the compression rate of the positive plate, the negative plate and the diaphragm which are polymerized together is 1-5%.
10. The process of claim 9, wherein the process comprises the steps of: also comprises (5) an extraction process;
the manufacturing steps of the positive plate are as follows: the positive plate comprises a punched aluminum foil and a positive plate film, wherein the positive plate film contains a positive active material, an adhesive and a positive conductive agent, the positive active material, the adhesive, the pore-increasing agent and the positive conductive agent are uniformly stirred to prepare the positive plate film, and then the positive plate film is hot-pressed and cut into the positive plate sheet, and the positive plate film is arranged on the lower surface of the punched aluminum foil;
the negative plate manufacturing steps are as follows: the negative plate comprises a copper foil and a negative film, wherein the negative film contains a negative active material, a bonding agent and a negative conductive agent, the negative active material, the bonding agent, the pore-forming agent and the negative conductive agent are uniformly stirred to prepare a negative film, and then the negative film is hot-pressed with the copper foil and is cut into negative plates, and the negative films are arranged on the upper surface and the lower surface of the copper foil;
the diaphragm manufacturing steps are as follows: the diaphragm is a PP film or a PE film containing an adhesive, the adhesive and the pore-increasing agent are coated on the PP film or the PE film in a dipping mode, and the adhesive is arranged on the surface of the diaphragm;
the extraction process comprises the following steps: and (4) extracting the pressure-resistant polymer lithium ion battery monolithic cell structure prepared in the step (4) in a methanol solution, removing the pore-increasing agent, and then drying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010171101.0A CN111180803A (en) | 2020-03-12 | 2020-03-12 | Voltage-resistant polymer lithium ion battery monolithic cell structure and manufacturing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010171101.0A CN111180803A (en) | 2020-03-12 | 2020-03-12 | Voltage-resistant polymer lithium ion battery monolithic cell structure and manufacturing process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111180803A true CN111180803A (en) | 2020-05-19 |
Family
ID=70656758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010171101.0A Pending CN111180803A (en) | 2020-03-12 | 2020-03-12 | Voltage-resistant polymer lithium ion battery monolithic cell structure and manufacturing process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111180803A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112968221A (en) * | 2021-01-16 | 2021-06-15 | 珠海冠宇电池股份有限公司 | High-safety lithium ion battery cell, battery and manufacturing method of battery cell |
-
2020
- 2020-03-12 CN CN202010171101.0A patent/CN111180803A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112968221A (en) * | 2021-01-16 | 2021-06-15 | 珠海冠宇电池股份有限公司 | High-safety lithium ion battery cell, battery and manufacturing method of battery cell |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6451472B1 (en) | Lithium battery and manufacturing method thereof | |
| TWI496335B (en) | Battery cell of stair-like structure | |
| JP4736580B2 (en) | Bipolar battery, battery pack and vehicle equipped with these batteries | |
| KR102599733B1 (en) | Coin-type battery and manufacturing method thereof | |
| CA2384215A1 (en) | Electrochemical bundle and method for making same | |
| CN101999184A (en) | A modular battery, an interconnector for such batteries and methods related to modular batteries | |
| WO2014162532A1 (en) | All-solid-state battery, and method for producing all-solid-state battery | |
| CN103828086A (en) | Battery cell having a novel structure | |
| CN104620412A (en) | Stacked type secondary battery | |
| CN111710898A (en) | Lithium battery cell, preparation method of lithium battery cell and lithium battery | |
| JP2018181528A (en) | All-solid battery and manufacturing method thereof | |
| CN101640282A (en) | Stacked secondary battery | |
| WO2017187494A1 (en) | All-solid-state secondary battery | |
| CN114975864A (en) | Pole piece, electric core structure, lithium battery and electronic equipment | |
| JP5415009B2 (en) | Power storage device module | |
| CN114024037A (en) | Solid-state battery cell, preparation method thereof and energy storage device | |
| CN111180803A (en) | Voltage-resistant polymer lithium ion battery monolithic cell structure and manufacturing process thereof | |
| US20230246313A1 (en) | Secondary battery | |
| KR101515672B1 (en) | Electrode assembly including anode and cathod electrode more than 2 and electrochemical device using the same | |
| CN115513607B (en) | Low-loss and high-space utilization rate lithium ion battery full-tab structure and preparation method thereof | |
| KR20160023035A (en) | A battery cell of vertical stacking structure | |
| CN109193025B (en) | Lithium ion battery with high-safety pole piece and manufacturing method thereof | |
| US20220294083A1 (en) | Segment membrane, battery combination, and electrical device | |
| CN107591555B (en) | Secondary battery | |
| CN211404662U (en) | Voltage-resistant polymer lithium ion battery monolithic cell structure |
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 |