CN109192889A - A kind of minicell - Google Patents
A kind of minicell Download PDFInfo
- Publication number
- CN109192889A CN109192889A CN201810959587.7A CN201810959587A CN109192889A CN 109192889 A CN109192889 A CN 109192889A CN 201810959587 A CN201810959587 A CN 201810959587A CN 109192889 A CN109192889 A CN 109192889A
- Authority
- CN
- China
- Prior art keywords
- end cap
- cap ontology
- conductive sheet
- insulated combination
- combination piece
- 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.)
- Granted
Links
- 238000002955 isolation Methods 0.000 claims abstract description 29
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 3
- 238000003466 welding Methods 0.000 claims description 15
- 238000004804 winding Methods 0.000 claims description 6
- 239000000565 sealant Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 239000004020 conductor Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000649 photocoagulation Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
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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
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/147—Lids or covers
-
- 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 of a single cell or a single battery
- H01M50/147—Lids or covers
- H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
- H01M50/169—Lids or covers characterised by the methods of assembling casings with lids by welding, brazing or soldering
-
- 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
- H01M50/342—Non-re-sealable arrangements
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
-
- 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
Abstract
The present invention relates to a kind of minicells, it includes the battery case and electrode isolation component that one end is equipped with opening, the electrode isolation component includes at least one anode and at least one cathode, the minicell further includes the end cover for battery cells that battery case opening is stated for sealing cover residence, the end cover for battery cells includes end cap ontology, conductive sheet, and the insulated combination piece between the end cap ontology and the conductive sheet is set, the end cap ontology and the conductive sheet are combined by the insulated combination piece mutually insulated, the end cap ontology and the insulated combination on piece are equipped with fairlead, the end cap ontology and battery case installation cooperatively form an accommodating space, the electrode isolation component is arranged in the accommodating space, the end cap ontology and at least one described anode and at least one described cathode alternative one are electrically connected, Another electric connection of the conductive sheet and both at least one described anode and at least one cathode.
Description
Technical field
The present invention relates to battery technology fields, more specifically to a kind of minicell.
Background technique
Minicell is one of the important development direction in current battery field, how to reduce the structure size of battery, improves
The technical issues of its space utilization rate is current urgent need to resolve.Generally, existing micro button cell generally includes to have just
Polar lower casing and top cover with negative polarity；When in use, the negative output interface of button cell draws the button cell from top cover
Out, positive output interface then needs to draw from lower casing and along shell around to the top of top cover, and space utilization rate is caused to reduce.
A kind of button cell, the shell packet of the button cell are provided at Chinese patent application the 201710901425.3rd
Conductive end wall is included, which includes at least one fairlead, electric conductor is equipped at least one fairlead, this at least one
The insulating seal for insulating with the end wall is provided between the hole wall of a fairlead and the electric conductor.The button cell
The electric conductor with the end wall and on the end wall is electrically connected positive and negative electrode respectively, thus all in the same of the button cell
Side.But the electric conductor of the button cell and the thickness of insulating seal structure are larger, and production not easy to be processed.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, providing a kind of improved miniature
Battery.
The technical solution adopted by the present invention to solve the technical problems is: constructing a kind of minicell comprising one end is set
There are the battery case and electrode isolation component of opening, the electrode isolation component includes at least one anode and at least one is negative
Pole, the minicell further include the end cover for battery cells that battery case opening is stated for sealing cover residence, and the end cover for battery cells includes end
Lid ontology, conductive sheet and the insulated combination piece being arranged between the end cap ontology and the conductive sheet, the end cap ontology
It is combined with the conductive sheet by the insulated combination piece mutually insulated, the end cap ontology and the insulated combination on piece are equipped with
Fairlead, the end cap ontology and battery case installation cooperatively form an accommodating space, the electrode isolation component setting
In the accommodating space, the end cap ontology and at least one described at least one positive and described cathode alternative one are electrical
Another electric connection of both connection, the conductive sheet and at least one at least one positive and described cathode.
In some embodiments, the insulated combination piece and the conductive sheet are arranged in the accommodating space.
In some embodiments, the outer dimension of the insulated combination piece is greater than the outer dimension of the conductive sheet.
In some embodiments, the insulated combination piece and the conductive sheet are arranged outside the accommodating space.
In some embodiments, the battery case is substantially in the cylindrical shape that top is equipped with opening, and the end cap ontology is in
Tabular is covered in the opening of the battery case, the periphery of the end cap ontology can by way of laser welding with it is described
The open edge of battery case is sealingly joined together.
In some embodiments, the battery case is substantially in the cylindrical shape that top is equipped with opening, the end cap ontology packet
It includes circular top wall and is centered around the cylindrical lateral wall of the circular top wall periphery, the end cap ontology tips upside down on the battery case
It is sealed in vivo and by sealant and is combined.
In some embodiments, the thickness of the end cap ontology, the insulated combination piece and the conductive sheet is distinguished all
Between 0.02-1mm.
In some embodiments, the electrode isolation component uses the form of helix windings, the electrode isolation component
Central axes are overlapped with the central axes of the accommodating space.
In some embodiments, the surface that the end cap ontology and the conductive sheet are combined with the insulated combination piece
On be formed with multiple recess portions.
In some embodiments, pass through laser between the end cap ontology, the insulated combination piece and the conductive sheet
Solder bond connection.
Implement minicell of the invention and at least has the advantages that minicell of the invention, end cover for battery cells are adopted
It is sequentially stacked with end cap ontology, insulated combination piece and conductive sheet in conjunction with connection, the thickness of end cover for battery cells is smaller, end cap
Ontology and conductive sheet are electrically connected with the positive and negative electrode of battery respectively, and when in use, the positive and negative output interface of battery is all from battery
The same side draw, further improve space utilization rate；In addition, due to insulated combination piece and end cap ontology and conductive sheet it
Between binding force there is certain intensity value, after cell internal pressure reaches certain value, insulated combination piece and end cap ontology or
It can be disengaged between conductive sheet, to open pressure release, improve battery security；Further, by tying end cap ontology, insulation
It closes and is combined by the way of laser welding between piece and conductive sheet, the thickness of end cap ontology, insulated combination piece and conductive sheet
It can accomplish very little, to substantially reduce the thickness of end cover for battery cells.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the schematic perspective view of the minicell in some embodiments of the invention；
Fig. 2 is the longitudinal profile structure schematic of the minicell in some embodiments of the invention；
Fig. 3 is enlarged diagram at the A of Fig. 2；
Fig. 4 is the longitudinal profile structure schematic of the minicell in other embodiments of the invention.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
A specific embodiment of the invention.
Fig. 1-3 show the minicell in some embodiments of the invention, which includes that one end is equipped with opening
Battery case 1, electrode isolation component 2 and for seal cover battery case 1 opening end cover for battery cells 3.Electrode isolation component
2 include at least one anode 22 and at least one cathode 21 and the insulating spacer 23 between anode 22 and cathode 21.
Electrode isolation component 2 can use the form of helix windings, can also use the form of lamination.End cover for battery cells 3 includes end cap sheet
Body 31, conductive sheet 33 and the insulated combination piece 32 being arranged between end cap ontology 31 and conductive sheet 33, end cap ontology 31 and lead
Electric piece 33 is combined by 32 mutually insulated of insulated combination piece, and end cap ontology 31 and the installation of battery case 1 cooperatively form accommodating sky
Between 4, electrode isolation component 2 is arranged in the accommodating space 4, and end cap ontology 31 and insulated combination piece 32 are equipped with for drawing electricity
The fairlead 34 of pole, end cap ontology 31 and at least one described anode and at least one described cathode alternative one are electrically connected,
Another electric connection of conductive sheet 33 and both at least one described anode and at least one cathode.
Specifically, by taking button cell as an example, the battery case 1 of the button cell is substantially equipped with the cylinder of opening in top
Shape, end cap ontology 31 are substantially mounted on the opening of battery case 1 in tabular covering, and the periphery of end cap ontology 31 can be by swashing
The mode of photocoagulation and the open edge of battery case 1 are sealingly joined together.
End cap ontology 31, insulated combination piece 32 and conductive sheet 33 are sequentially stacked from top to bottom, end cap ontology 31 and battery
The installation of shell 1 cooperatively forms an accommodating space 4, and insulated combination piece 32 and conductive sheet 33 are located at the outside of accommodating space 4.End cap
Ontology 31 and insulated combination piece 32 are equipped with fairlead 34, and the cathode 21 of electrode isolation component 2 passes through fairlead 34 and conductive sheet
33 connections, the anode 22 of electrode isolation component 2 are connect with end cap ontology 31.It, can also be with it is to be appreciated that in other embodiments
It is that the anode 22 of electrode isolation component 2 is connect by fairlead 34 with conductive sheet 33, the cathode 21 and end cap of electrode isolation component 2
Ontology 31 connects；Insulated combination piece 32 and conductive sheet 33 also can be set in the inside of accommodating space 4.
One can be incorporated in by way of laser welding between end cap ontology 31, insulated combination piece 32 and conductive sheet 33
It rises.Preferably, insulated combination piece 32 is made of plastic material, end cap ontology 31 and conductive sheet 33 and 32 phase of insulated combination piece
In conjunction with surface first pass through surface treatment in advance and be formed with multiple recess portions 35, after laser welding, one of insulated combination piece 32
Divide and be heat fused in the recess portion 35, so that in conjunction with closer.In other embodiments, end cap ontology 31, insulated combination piece 32
And it can also be combined together by modes such as ultrasonic welding, nanometer injection molding or glue bondings between conductive sheet 33.Another
In some embodiments, insulated combination piece 32 can also be made of rubber, TPE class or other insulative type materials.
During fabrication, following steps can be used in above-mentioned end cover for battery cells 3:
End cap ontology 31, insulated combination piece 32 and conductive sheet 33 are provided；
Fairlead 34 is formed on end cap ontology 31 and insulated combination piece 32；
It is surface-treated respectively on the surface of end cap ontology 31 and conductive sheet 33 to be combined with insulated combination piece 32
Form multiple recess portions 35；
Insulated combination piece 32 is incorporated on end cap ontology 31 by laser welding；
Conductive sheet 33 is incorporated on insulated combination piece 32 by laser welding.
Since the binding force between plastics and metal has certain intensity value, when internal pressure is more than this intensity value
Afterwards, plastics and metal can disengage, and therefore, which can also use as safety relief valve.As shown in Fig. 2, the button
Battery has the pressure by the pressure initiation inside button cell at fairlead 34, between conductive sheet 33 and insulated combination piece 32
Difference, after the pressure inside button cell reaches certain value, conductive sheet 33 can be disengaged with insulated combination piece 32, realized to open and be let out
Pressure improves battery security to utmostly reduce the cell safety extent of injury.
Electrode isolation component 2 uses the form of helix windings, and its central axes is overlapped with the central axes of accommodating space 4.End
Lid ontology 31, insulated combination piece 32, conductive sheet 33 are disc-shaped, and the diameter of end cap ontology 31 is greater than insulated combination piece 32
Diameter, the diameter of insulated combination piece 32 are greater than the diameter of conductive sheet 33.Fairlead 34 is provided with end cap ontology 31 and insulated combination
The middle part of piece 32, end cap ontology 31, insulated combination piece 32, conductive sheet 33 and fairlead 34 central axes all with battery case 1
Central axes be overlapped.The thickness of end cap ontology 31, insulated combination piece 32 and conductive sheet 33 is respectively all in 0.02mm-1mm
Between, it is preferable that its thickness is substantially all in 0.15mm or so.It is to be appreciated that in other embodiments, insulated combination piece 32 with
And other shapes, the fairlead 34 such as conductive sheet 33 or square piece shape can also be provided with end cap ontology 31 and insulated combination piece
Other positions on 32, the number of fairlead 34 are also not limited to one, two or more can also be applied.
Fig. 4 show the minicell in other embodiments of the invention, which includes that one end is equipped with opening
Battery case 1a, electrode isolation component 2a and for seal cover battery case 1a opening end cover for battery cells 3a.Electrode isolation
Component 2a includes at least one anode 22a and at least one cathode 21a and the insulation between positive 22a and cathode 21a
Slider 23a.Electrode isolation component 2a can use the form of helix windings, can also use the form of lamination.End cover for battery cells
3a includes end cap ontology 31a, conductive sheet 33a and the insulated combination piece that is arranged between end cap ontology 31a and conductive sheet 33a
32a, end cap ontology 31a and conductive sheet 33a are combined by insulated combination piece 32a mutually insulated, end cap ontology 31a and battery case
1a installation cooperatively forms an accommodating space 4a, and electrode isolation component 2a is arranged in accommodating space 4a, end cap ontology 31a and absolutely
Edge bonding pad 32a is equipped with the fairlead 34a for extraction electrode, end cap ontology 31a and described at least one is positive and described
At least one cathode alternative one is electrically connected, conductive sheet 33a and at least one described at least one positive and described cathode two
Another electric connection of person.
Specifically, by taking button cell as an example, the battery case 1a in the button cell includes circular bottom wall and is centered around
The cylindrical lateral wall of the bottom wall periphery, end cap ontology 31a include circular top wall and the cylindric side for being centered around the roof periphery
Wall, end cap ontology 31a are tipped upside down in battery case 1 and are combined by sealant 5a insulated enclosure.
End cap ontology 31a, insulated combination piece 32a and the conductive sheet 33a of composition end cover for battery cells 3a is successively folded from top to bottom
It sets, end cap ontology 31a and battery case 1a installation cooperatively form an accommodating space 4a, insulated combination piece 32a and conductive sheet 33a
Positioned at the inside of accommodating space 4a.The positive 22a of electrode isolation component 2a is connect with end cap ontology 31a, cathode 21a and conductive sheet
33a connection.End cap ontology 31a and insulated combination piece 32a is equipped with fairlead 34a, in order to draw electrode from conductive sheet 33a
Out for using.It is to be appreciated that in other embodiments, being also possible to the positive 22a and conductive sheet of electrode isolation component 2a
33a connection, cathode 21a are connect with end cap ontology 31a；Insulated combination piece 32a and conductive sheet 33a also can be set empty in accommodating
Between 4a outside.
It can be incorporated in by way of laser welding between end cap ontology 31a, insulated combination piece 32a and conductive sheet 33a
Together.Preferably, insulated combination piece 32a is made of plastic material, end cap ontology 31a and conductive sheet 33a and insulated combination
The surface that piece 32a is combined first passes through surface treatment in advance and is formed with multiple recess portions, after laser welding, insulated combination piece 32a
A part be heat fused in the recess portion so that in conjunction with closer.In other embodiments, end cap ontology 31a, insulated combination
Between piece 32a and conductive sheet 33a one can also be incorporated in by modes such as ultrasonic welding, nanometer injection molding or glue bondings
It rises.In further embodiments, insulated combination piece 32 can also be made of rubber, TPE class or other insulative type materials.
During fabrication, following steps can be used in above-mentioned end cover for battery cells 3a:
End cap ontology 31a, insulated combination piece 32a and conductive sheet 33a are provided；
Fairlead 34a is formed on end cap ontology 31a and insulated combination piece 32a；
It waits for carrying out at surface respectively on the surface in conjunction with insulated combination piece 32a in end cap ontology 31a and conductive sheet 33a
Reason forms multiple recess portions；
Insulated combination piece 32a is incorporated on end cap ontology 31a by laser welding；
Conductive sheet 33a is incorporated on insulated combination piece 32a by laser welding.
Electrode isolation component 2a uses the form of helix windings, and its central axes is overlapped with the central axes of accommodating space 4a.
Insulated combination piece 32a, conductive sheet 33a are disc-shaped, and the diameter of end cap ontology 31a is greater than the diameter of insulated combination piece 32a,
The diameter of insulated combination piece 32a is greater than the diameter of conductive sheet 33a.Fairlead 34a is provided with end cap ontology 31a and insulated combination piece
The middle part of 32a, central axes and the battery case of end cap ontology 31a, insulated combination piece 32a, conductive sheet 33a and fairlead 34a
The central axes of 1a are overlapped.The thickness of end cap ontology 31a, insulated combination piece 32a and conductive sheet 33a all exist respectively
Between 0.02mm-1mm, it is preferable that its thickness is substantially all in 0.15mm or so.It is to be appreciated that in other embodiments, insulation
Bonding pad 32a and conductive sheet 33a may be the other shapes such as square piece shape, and fairlead 34a can also be provided with end cap ontology
The other positions of 31a and insulated combination piece 32a, the number of fairlead 34a are also not necessarily limited to one, two or more can also be with
It is applicable in.
Since the binding force between plastics and metal has certain intensity value, when internal pressure is more than this intensity value
Afterwards, plastics and metal can disengage, and therefore, end cover for battery cells 3a can also be used as safety relief valve.As shown in figure 4, due to
End cap ontology 31a, insulated combination piece 32a, conductive sheet 33a diameter dimension be gradually reduced, the both ends of end cover for battery cells 3a have
Certain hierarchic structure, and then under the action of button cell internal pressure, end cap ontology 31a, insulated combination piece 32a, conduction
Certain pressure difference is formed between piece 33a, after button cell internal pressure reaches certain value, insulated combination piece 32a and end
It can be disengaged between lid ontology 31a or conductive sheet 33a, realize and open pressure release, so that the cell safety extent of injury is utmostly reduced,
Improve battery security.
It is to be appreciated that end cover for battery cells of the invention can be applied on button cell, can also apply rectangular cell,
On the battery of the other shapes such as column battery, Special-shaped battery.Minicell of the invention, end cover for battery cells using end cap ontology, absolutely
Edge bonding pad and conductive sheet are sequentially stacked laser welding combination, the thickness point of end cap ontology, insulated combination piece and conductive sheet
It can not accomplish 0.15mm or so, to substantially reduce the thickness of end cover for battery cells, be particularly suitable for minicell
Field, and since the binding force between insulated combination piece and end cap ontology and conductive sheet has certain intensity value, work as battery
It after internal pressure reaches certain value, can disengage between insulated combination piece and end cap ontology or conductive sheet, to open pressure release, improve
Battery security；In addition, the positive and negative electrode of minicell of the invention respectively with composition end cover for battery cells end cap ontology and lead
Electric piece is electrically connected, therefore the minicell is when in use, and the positive and negative output interface of battery is all drawn from the same side of battery,
To further improve space utilization rate.
It is to be appreciated that above-mentioned each technical characteristic can be used in any combination and unrestricted.
Above embodiments only express the preferred embodiment of the present invention, and the description thereof is more specific and detailed, but can not
Therefore limitations on the scope of the patent of the present invention are interpreted as；It should be pointed out that for those of ordinary skill in the art,
Without departing from the inventive concept of the premise, above-mentioned technical characterstic can be freely combined, several deformations can also be made
And improvement, these are all within the scope of protection of the present invention；Therefore, all equivalents done with scope of the invention as claimed with
Modification, should belong to the covering scope of the claims in the present invention.
Claims (10)
1. a kind of minicell is equipped with the battery case and electrode isolation component of opening, the electrode isolation group including one end
Part includes at least one anode and at least one cathode, which is characterized in that further includes stating battery case for sealing cover residence to open
The end cover for battery cells of mouth, the end cover for battery cells include end cap ontology, conductive sheet and are arranged in the end cap ontology and the conduction
Insulated combination piece between piece, the end cap ontology and the conductive sheet are combined by the insulated combination piece mutually insulated, institute
It states end cap ontology and the insulated combination on piece is equipped with fairlead, the end cap ontology is cooperatively formed with battery case installation
One accommodating space, the electrode isolation component are arranged in the accommodating space, the end cap ontology and it is described at least one just
Pole and at least one described cathode alternative one are electrically connected, the conductive sheet and at least one described anode and described at least one
Another electric connection of both a cathode.
2. minicell according to claim 1, which is characterized in that the insulated combination piece and conductive sheet setting exist
In the accommodating space.
3. minicell according to claim 2, which is characterized in that the outer dimension of the insulated combination piece is greater than described
The outer dimension of conductive sheet.
4. minicell according to claim 1, which is characterized in that the insulated combination piece and conductive sheet setting exist
Outside the accommodating space.
5. minicell according to claim 1, which is characterized in that the battery case is substantially in that top is equipped with opening
Cylindrical shape, the end cap ontology are covered in the opening of the battery case in tabular, and the periphery of the end cap ontology can lead to
The open edge of the mode and the battery case of crossing laser welding is sealingly joined together.
6. minicell according to claim 1, which is characterized in that the battery case is substantially in that top is equipped with opening
Cylindrical shape, the end cap ontology include circular top wall and the cylindrical lateral wall for being centered around the circular top wall periphery, the end cap
Ontology is tipped upside down in the battery case and is sealed by sealant and combined.
7. minicell according to claim 1, which is characterized in that the end cap ontology, the insulated combination piece and
The thickness of the conductive sheet is respectively all between 0.02-1mm.
8. minicell according to claim 1, which is characterized in that the electrode isolation component uses the shape of helix windings
The central axes of formula, the electrode isolation component are overlapped with the central axes of the accommodating space.
9. minicell according to claim 1-8, which is characterized in that the end cap ontology and the conduction
Piece is the same as being formed with multiple recess portions on the surface that the insulated combination piece combines.
10. minicell according to claim 9, which is characterized in that the end cap ontology, the insulated combination piece, with
And it is combined and is connected by laser welding between the conductive sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810959587.7A CN109192889B (en) | 2018-08-22 | 2018-08-22 | Micro battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810959587.7A CN109192889B (en) | 2018-08-22 | 2018-08-22 | Micro battery |
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| Publication Number | Publication Date |
|---|---|
| CN109192889A true CN109192889A (en) | 2019-01-11 |
| CN109192889B CN109192889B (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810959587.7A Active CN109192889B (en) | 2018-08-22 | 2018-08-22 | Micro battery |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111989800A (en) * | 2020-07-14 | 2020-11-24 | 宁德新能源科技有限公司 | Battery and electric device with same |
| CN112467268A (en) * | 2020-11-30 | 2021-03-09 | 惠州市恒泰科技股份有限公司 | Button battery and preparation method thereof |
| CN112467266A (en) * | 2020-11-30 | 2021-03-09 | 惠州市恒泰科技股份有限公司 | Preparation method of steel shell button cell and steel shell button cell |
| CN113013524A (en) * | 2021-02-23 | 2021-06-22 | 珠海冠宇电池股份有限公司 | Battery case and battery |
| WO2021185074A1 (en) * | 2020-03-18 | 2021-09-23 | 珠海冠宇电池股份有限公司 | Battery casing, battery and electronic device |
| CN113557630A (en) * | 2020-02-07 | 2021-10-26 | 宁德新能源科技有限公司 | Battery and electric device with same |
| WO2022044628A1 (en) * | 2020-08-26 | 2022-03-03 | 株式会社村田製作所 | Secondary battery |
| WO2022117098A1 (en) * | 2020-12-04 | 2022-06-09 | 珠海冠宇电池股份有限公司 | Button cell and electronic device |
| WO2022227651A1 (en) * | 2021-04-30 | 2022-11-03 | 国研新能(深圳)技术有限公司 | Battery case and battery |
| WO2023004713A1 (en) * | 2021-07-29 | 2023-02-02 | 珠海微矩实业有限公司 | Miniature battery |
| WO2023010781A1 (en) * | 2021-08-06 | 2023-02-09 | 国研新能(深圳)技术有限公司 | Battery casing and battery |
| WO2023040865A1 (en) * | 2021-09-18 | 2023-03-23 | 珠海冠宇电池股份有限公司 | Battery and electronic device |
| US11862806B2 (en) | 2020-06-03 | 2024-01-02 | Zhuhai Cosmx Battery Co., Ltd. | Button cell and electronic device |
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| CN111989800A (en) * | 2020-07-14 | 2020-11-24 | 宁德新能源科技有限公司 | Battery and electric device with same |
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