CN116864827A - Capsule endoscope battery - Google Patents
Capsule endoscope battery Download PDFInfo
- Publication number
- CN116864827A CN116864827A CN202310850957.4A CN202310850957A CN116864827A CN 116864827 A CN116864827 A CN 116864827A CN 202310850957 A CN202310850957 A CN 202310850957A CN 116864827 A CN116864827 A CN 116864827A
- Authority
- CN
- China
- Prior art keywords
- battery
- capsule endoscopic
- tab
- diaphragm
- capsule endoscope
- 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
- 239000002775 capsule Substances 0.000 title claims abstract description 37
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000004804 winding Methods 0.000 claims abstract description 32
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 25
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 16
- 239000002033 PVDF binder Substances 0.000 claims abstract description 8
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims abstract description 8
- 239000000919 ceramic Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 239000011889 copper foil Substances 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 9
- 239000011888 foil Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 241000463219 Epitheca Species 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000003475 lamination Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000007773 negative electrode material Substances 0.000 claims description 3
- 239000007774 positive electrode material Substances 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 claims description 2
- 239000002966 varnish Substances 0.000 claims description 2
- 239000005030 aluminium foil Substances 0.000 claims 2
- 239000012528 membrane Substances 0.000 claims 1
- 230000005484 gravity Effects 0.000 abstract description 6
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 239000003973 paint Substances 0.000 abstract description 2
- 239000003292 glue Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000011224 oxide ceramic Substances 0.000 description 2
- 229910052574 oxide ceramic Inorganic materials 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 102000004310 Ion Channels Human genes 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 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
- 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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/107—Primary casings; Jackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/117—Inorganic material
- H01M50/119—Metals
-
- 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
- H01M50/30—Arrangements for facilitating escape of gases
-
- 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
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
- H01M50/426—Fluorocarbon polymers
-
- 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
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/431—Inorganic material
- H01M50/434—Ceramics
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a capsule endoscope battery which comprises a battery winding core, an upper shell, a lower shell and a diaphragm, wherein the battery winding core is formed by a positive plate, a negative plate and the diaphragm through a winding process, the battery winding core further comprises a positive aluminum tab, a hollowed-out layer, a winding core and a negative nickel tab, the hollowed-out layer is used for arranging a magnet, the outer surface of the magnet is coated with insulating paint, the positive aluminum tab is connected with the lower shell, and the negative nickel tab is connected with the upper shell. The capsule endoscope battery is designed into a hollow structure, so that components and devices are conveniently arranged, the battery uses ceramic and PVDF rubber diaphragms, and a pressure release valve device is arranged on an upper cover, so that the design is safe and reliable; the battery uses a metal shell, has regular shape, is not easy to deform and is convenient for assembling the capsule endoscope. According to the technical scheme, the battery of the capsule endoscope is designed into a hollow shape, so that the magnet is convenient to place, the gravity center of the capsule is controlled at the geometric center, and the accurate position of the capsule endoscope in a body is convenient to position.
Description
Technical Field
The invention relates to the field of medical appliances, in particular to a capsule endoscope battery.
Background
The existing capsule battery is cylindrical or elliptic cylindrical, and because the battery is large in size, after the cylindrical or elliptic cylindrical battery is assembled, the arrangement space of the magnet position inside the capsule is narrow, and meanwhile, the arrangement of components inside the capsule is difficult to meet the set design requirement, so that the position of the center of gravity is difficult to control for a capsule endoscope requiring the center of gravity to be in the geometric center.
Chinese patent application 2018111737221 discloses a lithium composite battery of a capsule endoscope, which comprises an outer shell, an insulating sheet and a battery core body, wherein one end of the outer shell is of an open cylindrical structure, the other end of the outer shell is provided with a glass sealing component for sealing the outer shell, the outer shell is sleeved with a waterproof shell for containing sodium silicate, the waterproof shell is provided with an opening, a thin iron sheet is arranged in the opening, and an electrode lead is arranged in the outer shell; the insulating sheet is divided into an upper insulating sheet, a middle insulating sheet and a lower insulating sheet, which are sequentially arranged in the outer shell from top to bottom, the battery core is arranged between the middle insulating sheet and the lower insulating sheet, the battery core comprises a negative electrode sheet, a positive electrode sheet and a diaphragm, and the diaphragm is arranged between the negative electrode sheet and the positive electrode sheet; the electrode lead comprises a negative electrode lead and a positive electrode lead, one end of the negative electrode lead is connected with the negative electrode plate, the other end of the negative electrode lead is connected with the glass seal assembly, one end of the positive electrode lead is connected with the positive electrode plate, and the other end of the positive electrode lead is connected with the outer shell.
The above-mentioned technical solution still cannot meet the design requirement of the capsule endoscope in the case of requiring the coincidence of the center of gravity and the geometric center, and therefore, it is necessary to develop a capsule endoscope battery suitable for such a case.
Disclosure of Invention
The invention provides a capsule endoscope battery, which has the following technical scheme:
the utility model provides a capsule endoscope battery, includes battery roll core, epitheca, inferior valve and diaphragm, battery roll core is realized through winding technology by positive plate, negative pole piece and diaphragm, battery roll core further includes anodal aluminium utmost point ear, fretwork layer, roll core and negative pole nickel utmost point ear, the fretwork layer is used for setting up magnet, the surface coating insulating varnish of magnet, anodal aluminium utmost point ear is connected with the inferior valve, negative pole nickel utmost point ear is connected with the epitheca.
Further, the positive electrode aluminum tab and the negative electrode nickel tab are respectively connected with the battery shell through any one of laser welding or resistance welding.
Further, the positive plate consists of a positive electrode material, an aluminum foil and a pure aluminum tab, and the negative plate consists of a negative electrode material, a copper foil and a pure nickel tab.
Further, the aluminum foil is a microporous aluminum foil.
Further, the copper foil is a carbon coated copper foil.
Furthermore, the diaphragm is made of PP material, and both sides of the diaphragm are respectively coated with alumina ceramic and PVDF glue.
Furthermore, the battery winding core can be realized through a lamination process.
Further, the battery winding core further comprises a PET sheet, and the PET sheet is used for fixing the winding core, insulating and protecting the diaphragm.
Furthermore, the environmental dew point of the capsule endoscope battery in the manufacturing process is required to be less than or equal to-45 ℃.
Further, the shell of the capsule endoscope battery adopts any one of a steel shell, a nickel-plated steel shell and an aluminum shell.
The capsule endoscope battery is designed into a hollow structure, so that components and devices are conveniently arranged, the geometric center of the battery coincides with the gravity center, the battery uses ceramic and PVDF rubber diaphragms, and a pressure release valve device is arranged on an upper cover, so that the design is safe and reliable; the battery uses a metal shell, has regular shape, is not easy to deform and is convenient for assembling the capsule endoscope. According to the technical scheme, the battery of the capsule endoscope is designed into a hollow shape, so that the magnet is convenient to place, the gravity center of the capsule is controlled at the geometric center, and the accurate position of the capsule endoscope in a body is convenient to position.
Drawings
Fig. 1: the battery winding core structure is schematically shown.
Fig. 2: a schematic diagram of the structure of a PET sheet for fixing a winding core.
Fig. 3: the upper cover of the battery is schematically shown.
Fig. 4: schematic of the finished battery.
Each serial number and corresponding name are respectively: positive pole aluminum tab 101, hollowed-out layer 102, winding core 103, negative pole nickel tab 104, PET sheet 201, tab hole 202, shell upper cover 301, pressure relief position 302, sealing ring 303, battery 401 and magnet 402.
Description of the embodiments
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to the schematic diagram of the battery winding core structure in fig. 1, the battery winding core is realized by a positive plate, a negative plate and a diaphragm through a winding process, the battery winding core comprises a positive aluminum tab 101, a hollowed-out layer 102, a winding core 103 and a negative nickel tab 104, the hollowed-out layer 102 is used for setting a magnet, the positive aluminum tab 101 is connected with a lower shell, the negative nickel tab 104 is connected with an upper shell, and the positive aluminum tab 101 and the negative nickel tab 104 are respectively connected with a battery shell through laser welding or resistance welding.
The positive plate consists of a positive electrode material, an aluminum foil or a microporous aluminum foil and a pure aluminum tab; the negative plate is composed of a negative electrode material, a copper foil or a carbon-coated copper foil and a pure nickel tab.
The microporous aluminum foil is used for increasing the auxiliary material amount of the anode material and improving the energy density of the battery; the carbon-coated copper foil is used for increasing conductivity and improving the charge and discharge performance of the battery.
The diaphragm is made of PP materials, aluminum oxide ceramics and PVDF glue are coated on two sides of the diaphragm respectively, the positive plate is contacted with one side of the diaphragm glue during winding, the PVDF glue is used for increasing the bonding degree of the positive plate and the diaphragm and enhancing the conductivity, so that the charge and discharge performance of the battery is more excellent, the aluminum oxide ceramics are used for improving the thermal shrinkage temperature of the diaphragm, and the safety of the battery is improved.
Furthermore, the battery winding core can be realized through a lamination process, the positive and negative pole pieces are cut into the required size and shape by using a die cutting machine, and then the positive pole, the diaphragm and the negative pole are sequentially stacked to the required thickness by using a lamination machine.
Referring to FIG. 2, a schematic diagram of the structure of a PET sheet with a fixed winding core, a pole ear hole 202, and the PET sheet 201
The volume of the hollow part ensures that the battery can be smoothly arranged in the battery shell, and the coiled winding core is easy to deform after the winding needle is drawn out, if the winding core is not fixed, the core is loose, the diaphragm is tilted, the winding core structure is deformed and damaged, and the like are influenced, so that the PET sheet 201 is adopted to fix the battery winding core.
The PET sheet 201 also serves to insulate and prevent the jellyroll diaphragm from lifting up and leaking out of the pole piece when it is in the can, thereby causing contact with the metal can and shorting the battery.
The PET sheet 201 is also used for protecting the diaphragm, when the tab is welded with the shell, the welding point is easy to generate high temperature and cause the diaphragm to shrink, and the PET sheet 201 can avoid the diaphragm to shrink during welding.
In the manufacturing process, a winding needle having the same outer diameter as the winding core sheet is selected, and the winding core 103 shown in fig. 1 is wound.
When the battery is wound, the ceramic and PVDF glue are used for bonding and coating the diaphragm, the base material is made of PP material, the thermal shrinkage temperature of the ceramic diaphragm is high, and the safety of the battery can be improved; the PVDF glue is used for enhancing the bonding degree of the diaphragm and the pole piece, shortening the distance of the ion channel and enhancing the conductivity.
Referring to fig. 3, a schematic diagram of a battery upper cover is shown, the battery upper cover is provided with a housing upper cover 301, a pressure relief position 302 and a sealing ring 303, after a fixed winding core is installed in the housing, a tab is connected with the bottom of the housing through resistance welding, electrolyte is injected into the housing, after the electrolyte completely infiltrates a pole piece and enters the housing, the tab at the other end is welded and connected with a metal part of the upper cover, after the tab is welded, the housing upper cover 301 is aligned with the housing, and the whole battery is sealed through a die extrusion mode.
During battery assembly, the ambient dew point requirement is less than or equal to-45 ℃.
The casing upper cover 301 is further provided with a pressure relief position 302 device, when the battery is short-circuited, the internal circuit connection can be timely disconnected, the safety is guaranteed, the periphery of the casing upper cover 301 is further wrapped with a sealing ring 303, and the sealing ring 303 is used for preventing electrolyte leakage.
Referring to fig. 4, the hollow portion of the battery 401 is used for setting a magnet 402, the size of the hollow position is customized according to the size of the magnet, and the outer surface of the magnet is coated with insulating paint, so that short circuit caused by simultaneous contact with the anode and the cathode of the battery is prevented.
Further, the battery shell of the invention adopts any one of a steel shell, a nickel-plated steel shell and an aluminum shell.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. The utility model provides a capsule endoscope battery, includes battery roll core, epitheca, inferior valve and diaphragm, its characterized in that, battery roll core is realized through winding technology by positive plate, negative pole piece and diaphragm, battery roll core further includes positive pole aluminium utmost point ear, fretwork layer, roll core and negative pole nickel utmost point ear, the fretwork layer is used for setting up magnet, the surface coating insulating varnish of magnet, positive pole aluminium utmost point ear is connected with the inferior valve, negative pole nickel utmost point ear is connected with the epitheca.
2. The capsule endoscopic battery of claim 1, wherein said positive aluminum tab and negative nickel tab are respectively connected to the battery housing by either laser welding or resistance welding.
3. The capsule endoscopic battery of claim 1, wherein said positive plate is composed of a positive electrode material, aluminum foil, pure aluminum tab, and said negative plate is composed of a negative electrode material, copper foil, pure nickel tab.
4. A capsule endoscopic battery according to claim 3, wherein said aluminium foil is a microporous aluminium foil.
5. The capsule endoscopic battery according to claim 3, wherein said copper foil is a carbon coated copper foil.
6. The capsule endoscopic battery as defined in claim 1, wherein said diaphragm is made of PP material, and both sides thereof are coated with alumina ceramics and PVDF gel, respectively.
7. The capsule endoscopic battery of claim 1, wherein said battery core is further implemented by a lamination process.
8. The capsule endoscopic battery of claim 1, wherein said battery winding core further comprises a PET sheet for securing the winding core, insulating and protecting the membrane.
9. The capsule endoscopic battery of claim 1, wherein the capsule endoscopic battery requires an ambient dew point of-45 ℃ or less during manufacture.
10. The capsule endoscopic battery of claim 1, wherein a housing of said capsule endoscopic battery is any one of a steel shell, a nickel plated steel shell, and an aluminum shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310850957.4A CN116864827A (en) | 2023-07-12 | 2023-07-12 | Capsule endoscope battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310850957.4A CN116864827A (en) | 2023-07-12 | 2023-07-12 | Capsule endoscope battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116864827A true CN116864827A (en) | 2023-10-10 |
Family
ID=88226469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310850957.4A Pending CN116864827A (en) | 2023-07-12 | 2023-07-12 | Capsule endoscope battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116864827A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119695399A (en) * | 2024-12-17 | 2025-03-25 | 惠州亿纬锂能股份有限公司 | Diaphragm and method for preparing the same |
-
2023
- 2023-07-12 CN CN202310850957.4A patent/CN116864827A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119695399A (en) * | 2024-12-17 | 2025-03-25 | 惠州亿纬锂能股份有限公司 | Diaphragm and method for preparing the same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110459705A (en) | A button battery that improves radial space utilization | |
| CN215418489U (en) | Steel shell button cell with double explosion-proof structure | |
| CN209981369U (en) | Cylindrical battery | |
| JP2022047459A (en) | Button-type battery and manufacturing method of the same | |
| CN214957234U (en) | Miniature lithium ion battery with explosion-proof trace | |
| CN109216596A (en) | A kind of battery | |
| WO2023124651A1 (en) | Battery | |
| CN209232828U (en) | Lithium ion battery with aluminum shell and its shell and its top cover | |
| CN211182258U (en) | Novel lithium battery shell and shell cover applying same | |
| CN113013526B (en) | Battery cover plate, battery and method for preparing battery | |
| CN212011175U (en) | Electricity core centre bore contact pin subassembly | |
| CN210403778U (en) | Button cell for improving radial space utilization rate | |
| CN114447413A (en) | Battery cover plate and battery | |
| CN111969253B (en) | A battery core center hole pin assembly | |
| CN116864827A (en) | Capsule endoscope battery | |
| CN208674180U (en) | A kind of battery | |
| WO2023020231A1 (en) | Button cell | |
| CN111628212A (en) | Soft package lithium ion battery, manufacturing method thereof and electric device | |
| CN116345030B (en) | Cylindrical battery and manufacturing method thereof | |
| CN111584773A (en) | Lithium ion battery | |
| CN217507398U (en) | Lithium battery | |
| CN215896535U (en) | A button battery and its electronic product | |
| CN114300816B (en) | Battery pole core and battery | |
| CN117335014A (en) | Bare cells, cylindrical batteries and assembly methods of cylindrical batteries | |
| CN214411346U (en) | Seals and Batteries |
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 |