CN112563041A - Button type super capacitor - Google Patents
Button type super capacitor Download PDFInfo
- Publication number
- CN112563041A CN112563041A CN202011409957.3A CN202011409957A CN112563041A CN 112563041 A CN112563041 A CN 112563041A CN 202011409957 A CN202011409957 A CN 202011409957A CN 112563041 A CN112563041 A CN 112563041A
- Authority
- CN
- China
- Prior art keywords
- shell
- cover shell
- lining
- diaphragm
- fixing ring
- 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
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/78—Cases; Housings; Encapsulations; Mountings
- H01G11/82—Fixing or assembling a capacitive element in a housing, e.g. mounting electrodes, current collectors or terminals in containers or encapsulations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/54—Electrolytes
- H01G11/58—Liquid electrolytes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/78—Cases; Housings; Encapsulations; Mountings
-
- 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
- Y02E60/13—Energy storage using capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses a buckle type super capacitor, which comprises an anode cover shell and a cathode cover shell, wherein the anode cover shell and the cathode cover shell are mutually buckled to form a mounting cavity, a diaphragm is fixedly arranged in the middle of the mounting cavity, a first fixing ring is arranged above the diaphragm, the first fixing ring is fixedly arranged on the lower surface of the anode cover shell, a first lining shell is fixedly arranged between the first fixing rings, an anode electric sheet is arranged between the lower surface of the first lining shell and the upper surface of the diaphragm, a second fixing ring is arranged below the diaphragm, the second fixing ring is fixedly arranged on the upper surface of the cathode cover shell, a second lining shell is fixedly arranged between the second fixing rings, a cathode electric sheet is arranged between the upper surface of the second lining shell and the lower surface of the diaphragm, and the second lining shell and the cathode electric sheet are ensured to be positioned in the middle position of the cathode cover shell when being mounted through the second fixing ring, prevent the excursion and improve the quality of the product.
Description
Technical Field
The invention relates to the technical field of super capacitors, in particular to a buckle type super capacitor.
Background
The super capacitor is a novel energy storage device between a traditional capacitor and a rechargeable battery, and has the characteristics of quick charge and discharge of the capacitor and the energy storage characteristic of the battery. The button type super capacitor is a novel energy storage device, has the advantages of good high-power charging and discharging performance, high energy conversion efficiency, good temperature characteristic, long cycle service life, environmental protection and the like, and is widely applied to the fields of industrial electronics, transportation, intelligent three-meter meters, UPS, electric toys, tax control machines and the like.
The conventional button-type supercapacitor is usually bonded and positioned by conductive glue when an electrode plate is installed, the position is easy to deviate, the conductive glue is too much bonded and easily overflows to cause reaction with other elements to cause short circuit, the conductive glue is less in bonding, the electrode plate is inconvenient to fix, and the product quality is low. Therefore, how to provide a snap-type supercapacitor is a problem that needs to be solved urgently by those skilled in the art.
Disclosure of Invention
The invention aims to provide a buckle type super capacitor, which is convenient for mounting and positioning a first lining shell and a positive electrode electric sheet through a first fixing ring, is not easy to overflow when conductive glue is coated, can be repeatedly coated when the conductive glue is coated, ensures that a second lining shell and a negative electrode electric sheet are positioned in the middle of a negative electrode cover shell when the conductive glue is coated, prevents deviation, reduces the mounting operation difficulty, improves the product quality and solves the problems in the background technology.
The buckle type super capacitor comprises an anode cover shell and a cathode cover shell, wherein the anode cover shell and the cathode cover shell are buckled with each other to form an installation cavity, a diaphragm is fixedly installed in the middle of the installation cavity, a first fixing ring is arranged above the diaphragm and fixedly installed on the lower surface of the anode cover shell, a first lining shell is fixedly installed between the first fixing rings, a cathode electric sheet is installed between the lower surface of the first lining shell and the upper surface of the diaphragm, a second fixing ring is arranged below the diaphragm and fixedly installed on the upper surface of the cathode cover shell, a second lining shell is fixedly installed between the second fixing rings, a cathode electric sheet is installed between the upper surface of the second lining shell and the lower surface of the diaphragm, and a sealing ring is installed at the joint of the anode cover shell and the cathode cover shell, electrolyte is filled between the sealing ring and the second fixing ring and between the inner surface of the positive electrode cover shell and the first fixing ring.
Preferably, a reinforced fixing block is arranged on the folded edge of the positive cover shell, and annular reinforcing grooves are formed in the surfaces of the positive cover shell and the negative cover shell.
Preferably, the first fixing ring and the second fixing ring are both insulating fixing rings, and one of polyethylene and rubber fixing rings is adopted.
Preferably, the diaphragm is one of a polyethylene or polypropylene microporous film, a non-woven fabric diaphragm and an inorganic composite film.
Preferably, the thickness of the positive electrode cover shell is 0.32-0.36 mm.
Preferably, the first lining shell and the second lining shell are one of a copper lining shell, a nickel lining shell and a titanium lining shell.
Preferably, the seal ring is connected between the positive cover shell and the negative cover shell through injection molding.
Preferably, the electrolyte consists of an organic solvent, lithium salt and an additive, wherein the organic solvent adopts propylene carbonate and chain carbonate, and the additive adopts vinyl ethylene sulfite and polystyrene.
Preferably, the electrolyte comprises the following components in percentage by mass:
8 to 20 percent of lithium salt, 20 to 45 percent of propylene carbonate, 12 to 60 percent of chain carbonate, 1 to 5 percent of vinyl sulfite and 0.1 to 15 percent of polystyrene.
Preferably, the electrolyte is prepared by the following steps:
s1, drying the lithium salt in vacuum at 50-80 ℃ for 6-10 days, and storing the dried lithium salt in an environment with the water oxygen value less than 0.02 ppm;
s2, uniformly mixing the solvent, the additive and the lithium salt in an environment with the water oxygen value less than 0.02ppm and the temperature of 30-50 ℃, and stirring for 24-48h at normal temperature to obtain the electrolyte.
Compared with the prior art, the invention has the beneficial effects that:
(1) the first fixing ring arranged in the button type super capacitor is convenient for mounting and positioning the first lining shell and the positive electrode electric piece, the first lining shell and the positive electrode electric piece are not easy to overflow when the conductive glue is coated, the first fixing ring can be repeatedly coated when the conductive glue is coated, and the second lining shell and the negative electrode electric piece are ensured to be positioned in the middle of the negative electrode cover shell when being mounted through the second fixing ring, so that the offset is prevented, the mounting operation difficulty is reduced, and the product quality is improved;
(2) in the button type super capacitor, the first lining shell and the second lining shell are in mutual contact with the electrode plate, so that the current of the electrode plate is communicated with the cover shell through the first lining shell and the second lining shell, and the positive electrode electric sheet and the negative electrode electric sheet are respectively and conveniently connected and fixed through the first lining shell and the second lining shell;
(3) the novel electrolyte provided by the invention effectively improves the flame retardance of the electrolyte, and finally greatly improves the safety of the super capacitor.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a button-type supercapacitor according to the present invention;
fig. 2 is a schematic top view of the button-type supercapacitor according to the present invention;
fig. 3 is a schematic sectional structural view of a button-type supercapacitor according to the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 according to the present invention.
In the figure: 1. a positive electrode cap shell; 2. a negative cap shell; 3. installing a cavity; 4. a diaphragm; 5. a first retaining ring; 6. a first liner shell; 7. a positive electrode tab; 8. a second retaining ring; 9. a second liner shell; 10. a negative electrode tab; 11. a seal ring; 12. an electrolyte; 13. a fixed block; 14. and a reinforcing groove.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-4, the present invention provides a technical solution: a buckle type super capacitor comprises an anode cover shell 1 and a cathode cover shell 2, wherein the anode cover shell 1 and the cathode cover shell 2 are buckled with each other to form an installation cavity 3, a diaphragm 4 is fixedly installed in the middle of the installation cavity 3, a first fixing ring 5 is arranged above the diaphragm 4, the first fixing ring 5 is fixedly installed on the lower surface of the anode cover shell 1, a first lining shell 6 is fixedly installed between the first fixing ring 5, an anode electrode plate 7 is installed between the lower surface of the first lining shell 6 and the upper surface of the diaphragm 4, a second fixing ring 8 is arranged below the diaphragm 4, the second fixing ring 8 is fixedly installed on the upper surface of the cathode cover shell 2, a second lining shell 9 is fixedly installed between the second fixing ring 8, a cathode electrode plate 10 is installed between the upper surface of the second lining shell 9 and the lower surface of the diaphragm 4, a sealing ring 11 is installed at the joint of the anode cover shell 1 and the cathode cover shell 2, and a sealing ring 11 is installed between the, Electrolyte 12 is filled between the inner surface of the positive cover shell 1 and the first fixing ring 5, the first fixing ring 5 is arranged in the button type super capacitor, the first lining shell 6 and the positive electrode electric piece 7 are convenient to install and position, the overflow is not easy to occur when conductive glue is smeared, the smearing can be repeated when the smearing is small, the middle position of the negative cover shell 2 is located when the second lining shell 9 and the negative electrode electric piece 10 are installed through the second fixing ring 8, the deviation is prevented, the operation difficulty of installation is reduced, the product quality is improved, the first lining shell 6 and the second lining shell 9 are in contact with the electrode piece, the current of the electrode piece is communicated with the cover shell through the first lining shell 6 and the second lining shell 9, and the positive electrode electric piece 7 and the negative electrode electric piece 10 are respectively convenient to connect and fix through the first lining shell 6 and the second lining shell 9.
Referring to fig. 1 to 4, a reinforced fixing block 13 is disposed on the folded edge of the positive cover shell 1, annular reinforcing grooves 14 are disposed on the surfaces of the positive cover shell 1 and the negative cover shell 2, the firmness of the folded edge of the positive cover shell 1 is reinforced by the arranged fixing block 13, so that the folded edge of the positive cover shell 1 cannot be easily deformed to cause damage, the reinforcing grooves 14 improve the stress strength of the positive cover shell 1 and the negative cover shell 2, the areas of the positive cover shell 1 and the negative cover shell 2 are increased, and the resistance is reduced.
Referring to fig. 1 to 4, the first fixing ring 5 and the second fixing ring 8 are both insulating fixing rings, and one of polyethylene or rubber fixing rings is adopted, which has the advantage of better insulation and can prevent the first lining shell 6, the second lining shell 9, the positive electrode tab 7 and the negative electrode tab 10 from contacting the electrolyte 12.
Referring to fig. 1 to 4, the separator 4 is one of a microporous membrane, a non-woven membrane and an inorganic composite membrane of polyethylene or polypropylene, the performance of the separator 4 determines the interface structure, internal resistance and the like of the battery, which directly affect the characteristics of the battery, such as capacity, cycle and safety performance, the separator with excellent performance has an important role in improving the comprehensive performance of the battery, the microporous membrane, the non-woven membrane and the inorganic composite membrane of polypropylene have good mechanical properties and chemical stability, and the separator 4 is preferably an inorganic composite membrane in this embodiment.
Referring to fig. 1 to 4, the thickness of the positive cover case 1 is 0.32 to 0.36mm, the thickness of the positive cover case 1 is preferably 0.30mm, the thickness of the negative cover case 2 is preferably 0.32 to 0.36mm, the thickness of the negative cover case 2 is preferably 0.34mm, and the combination of the positive cover case 1 and the negative cover case 2 improves the structural strength of the overall cover case.
Referring to fig. 1 to 4, the first lining shell 6 and the second lining shell 9 are one of a copper lining shell, a nickel lining shell, and a titanium lining shell, and the copper lining shell, the nickel lining shell, and the titanium lining shell all have a stronger structure, the first lining shell 6 is preferably made of a nickel lining shell in the present embodiment, and the second lining shell 9 is preferably made of a titanium lining shell in the present embodiment, so as to facilitate connection and fixation of the positive electrode tab 7 and the negative electrode tab 10.
Referring to fig. 1 to 4, the sealing ring 11 is connected between the positive cover shell 1 and the negative cover shell 2 by injection molding, and the sealing ring 11 is connected between the positive cover shell 1 and the negative cover shell 2 by injection molding, so that the sealing effect is improved, the connection is firmer, and the electrolyte 12 is prevented from flowing out.
Example 1:
s1, drying the lithium salt at 50 ℃ for 6 days in vacuum, and storing the dried lithium salt in an environment with the water oxygen value less than 0.02 ppm;
s2, uniformly mixing 8% of lithium salt, 38.9% of propylene carbonate, 52% of chain carbonate, 1% of vinyl sulfite and 0.1% of polystyrene in an environment with the water oxygen value less than 0.02ppm and the temperature of 30 ℃, and stirring at normal temperature for 24 hours to obtain the electrolyte.
Example 2:
s1, drying the lithium salt at 80 ℃ for 10 days in vacuum, and storing the dried lithium salt in an environment with the water oxygen value less than 0.02 ppm;
s2, uniformly mixing 20% of lithium salt, 20% of propylene carbonate, 40% of chain carbonate, 5% of vinyl sulfite and 15% of polystyrene in an environment with a water oxygen value less than 0.02ppm and a temperature of 50 ℃, and stirring for 48 hours at normal temperature to obtain the electrolyte.
The novel electrolyte 12 provided by the embodiment effectively improves the flame retardance of the electrolyte 12, and finally the safety of the super capacitor is greatly improved.
The structure principle is as follows: when the buckle type super capacitor is used, the first fixing ring 5 and the second fixing ring 8 are not easy to overflow when conductive glue is smeared, the lining shell and the electric sheet are also ensured to be positioned at the middle position of the cover shell when being installed, the excursion is prevented, the operation difficulty of the installation is reduced, the quality of the product is improved, the first lining shell 6 and the second lining shell 9 are in mutual contact with the electrode sheet, the current of the electrode sheet is communicated with the cover shell through the first lining shell 6 and the second lining shell 9, the positive electric sheet 7 and the negative electric sheet 10 are respectively and conveniently connected and fixed through the first lining shell 6 and the second lining shell 9, the firmness of the folded edge of the positive cover shell 1 is enhanced through the fixing block 13, the folded edge of the positive cover shell 1 cannot be easily deformed, the reinforcing groove 14 enhances the stress strength of the positive cover shell 1 and the negative cover shell 2, and simultaneously increases the areas of the positive cover shell 1 and the negative cover shell 2, reduce resistance, sealing washer 11 is connected between positive pole lid shell 1 and negative pole lid shell 2 through moulding plastics, has improved sealed effect for connect more firmly, prevent that electrolyte 12 from flowing out.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described, and the content not described in detail in the specification belongs to the prior art known by persons skilled in the art.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a knot formula ultracapacitor system, includes positive pole lid shell and negative pole lid shell, its characterized in that: the anode cover shell and the cathode cover shell are buckled with each other to form an installation cavity, a diaphragm is fixedly installed in the middle of the installation cavity, a first fixing ring is arranged above the diaphragm and fixedly arranged on the lower surface of the anode cover shell, a first lining shell is fixedly arranged between the first fixing rings, a positive electrode electric sheet is arranged between the lower surface of the first lining shell and the upper surface of the diaphragm, a second fixing ring is arranged below the diaphragm and fixedly arranged on the upper surface of the negative cover shell, a second lining shell is fixedly arranged between the second fixing rings, a negative electrode electric sheet is arranged between the upper surface of the second lining shell and the lower surface of the diaphragm, the positive pole lid shell with negative pole lid shell junction installs the sealing washer, the sealing washer with between the second solid fixed ring the positive pole lid shell internal surface with all fill between the first solid fixed ring and be equipped with electrolyte.
2. The button supercapacitor according to claim 1, characterized in that: the edge of the positive cover shell is provided with a reinforced fixed block, and the surfaces of the positive cover shell and the negative cover shell are provided with annular reinforced grooves.
3. The button supercapacitor according to claim 1, characterized in that: the first fixing ring and the second fixing ring are insulating fixing rings and are made of polyethylene or rubber.
4. The button supercapacitor according to claim 1, characterized in that: the diaphragm is one of a polyethylene or polypropylene microporous film, a non-woven fabric diaphragm and an inorganic composite film.
5. The button supercapacitor according to claim 1, characterized in that: the thickness of the positive cover shell is 0.32-0.36 mm.
6. The button supercapacitor according to claim 1, characterized in that: the first lining shell and the second lining shell are one of a copper lining shell, a nickel lining shell and a titanium lining shell.
7. The button supercapacitor according to claim 1, characterized in that: the sealing ring is connected between the positive cover shell and the negative cover shell through injection molding.
8. The button supercapacitor according to claim 1, characterized in that: the electrolyte is composed of an organic solvent, lithium salt and an additive, wherein the organic solvent adopts propylene carbonate and chain carbonate, and the additive adopts vinyl ethylene sulfite and polystyrene.
9. The button supercapacitor according to claim 8, characterized in that: the electrolyte comprises the following components in percentage by mass:
8 to 20 percent of lithium salt, 20 to 45 percent of propylene carbonate, 12 to 60 percent of chain carbonate, 1 to 5 percent of vinyl sulfite and 0.1 to 15 percent of polystyrene.
10. The button supercapacitor according to claim 8 or 9, characterized in that: the preparation method of the electrolyte comprises the following steps:
s1, drying the lithium salt in vacuum at 50-80 ℃ for 6-10 days, and storing the dried lithium salt in an environment with the water oxygen value less than 0.02 ppm;
s2, uniformly mixing the solvent, the additive and the lithium salt in an environment with the water oxygen value less than 0.02ppm and the temperature of 30-50 ℃, and stirring for 24-48h at normal temperature to obtain the electrolyte.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011409957.3A CN112563041A (en) | 2020-12-04 | 2020-12-04 | Button type super capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011409957.3A CN112563041A (en) | 2020-12-04 | 2020-12-04 | Button type super capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112563041A true CN112563041A (en) | 2021-03-26 |
Family
ID=75048622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011409957.3A Pending CN112563041A (en) | 2020-12-04 | 2020-12-04 | Button type super capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112563041A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07201663A (en) * | 1993-12-28 | 1995-08-04 | Fuji Elelctrochem Co Ltd | Coin type electric double layer capacitor |
| CN204088072U (en) * | 2014-07-16 | 2015-01-07 | 惠州市鸣曦科技有限公司 | Button ultracapacitor |
| CN204857471U (en) * | 2015-07-30 | 2015-12-09 | 山东精工电子科技有限公司 | Button ultracapacitor system |
| CN204991493U (en) * | 2015-07-30 | 2016-01-20 | 山东精工电子科技有限公司 | Button type super capacitor |
| CN207052680U (en) * | 2016-11-07 | 2018-02-27 | 常州安伊达电源科技有限公司 | A kind of low temperature resistant button type lithium-manganese battery |
| CN111082146A (en) * | 2020-01-21 | 2020-04-28 | 大同新成新材料股份有限公司 | Electrolyte taking propylene carbonate as main solvent |
| CN111584936A (en) * | 2020-06-29 | 2020-08-25 | 四川东为氢源科技有限公司 | Electrolyte and preparation method thereof |
-
2020
- 2020-12-04 CN CN202011409957.3A patent/CN112563041A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07201663A (en) * | 1993-12-28 | 1995-08-04 | Fuji Elelctrochem Co Ltd | Coin type electric double layer capacitor |
| CN204088072U (en) * | 2014-07-16 | 2015-01-07 | 惠州市鸣曦科技有限公司 | Button ultracapacitor |
| CN204857471U (en) * | 2015-07-30 | 2015-12-09 | 山东精工电子科技有限公司 | Button ultracapacitor system |
| CN204991493U (en) * | 2015-07-30 | 2016-01-20 | 山东精工电子科技有限公司 | Button type super capacitor |
| CN207052680U (en) * | 2016-11-07 | 2018-02-27 | 常州安伊达电源科技有限公司 | A kind of low temperature resistant button type lithium-manganese battery |
| CN111082146A (en) * | 2020-01-21 | 2020-04-28 | 大同新成新材料股份有限公司 | Electrolyte taking propylene carbonate as main solvent |
| CN111584936A (en) * | 2020-06-29 | 2020-08-25 | 四川东为氢源科技有限公司 | Electrolyte and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4790732B2 (en) | High-capacity lithium ion secondary battery with metal casing | |
| CN212113760U (en) | Energy storage device | |
| EP1331677A2 (en) | Battery and electric double layer capacitor | |
| CN211350696U (en) | Cylindrical lithium ion battery structure | |
| CN109346627A (en) | Button Lithium Ion Battery | |
| CN115275539B (en) | Cylindrical lithium battery insulation structure | |
| CN215988973U (en) | Button cell structure | |
| CN209880666U (en) | Improved automobile battery cover plate | |
| CN102035020A (en) | Novel lager-capacity lithium ion battery | |
| CN201270274Y (en) | Lithium ion battery | |
| CN218586139U (en) | Cover plate structure and cylindrical battery comprising same | |
| CN107634181A (en) | A kind of lithium ion battery and preparation method thereof | |
| CN208970569U (en) | Button Lithium Ion Battery | |
| CN211320140U (en) | Stable and reliable power battery top cover | |
| CN112563041A (en) | Button type super capacitor | |
| CN219591464U (en) | Cylindrical lithium metal secondary battery | |
| CN201877491U (en) | Novel high-capacity lithium ion battery | |
| CN217903390U (en) | Positive terminal of cylindrical battery and cylindrical battery | |
| CN215496898U (en) | Connect reliable lithium cell module structure | |
| CN216850103U (en) | Electrodeless ear type nickel-hydrogen battery | |
| CN215418348U (en) | Lithium ion battery's top cap subassembly and lithium ion battery | |
| KR101797978B1 (en) | Electric energy storage device | |
| CN1312794C (en) | Horizontal bipolar type lead-acid accumulator and bipolar plate thereof | |
| CN109378531A (en) | HORIZON~○ C~2M battery and its assemble method comprising separate type shell | |
| CN114142124A (en) | Lithium battery with multilayer film heat dissipation 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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210326 |