CN105977408A - Battery shell, battery cell, battery and assembling method thereof - Google Patents
Battery shell, battery cell, battery and assembling method thereof Download PDFInfo
- Publication number
- CN105977408A CN105977408A CN201610533118.XA CN201610533118A CN105977408A CN 105977408 A CN105977408 A CN 105977408A CN 201610533118 A CN201610533118 A CN 201610533118A CN 105977408 A CN105977408 A CN 105977408A
- Authority
- CN
- China
- Prior art keywords
- tubular body
- slider
- battery
- shell
- lower house
- 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
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 33
- 238000007789 sealing Methods 0.000 claims description 19
- 239000011230 binding agent Substances 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 abstract description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000011162 core material Substances 0.000 description 44
- 239000003792 electrolyte Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000338 in vitro Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 239000007767 bonding agent Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
- 229950000845 politef Drugs 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000011257 shell material Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 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
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a battery shell, a battery cell, a battery and an assembling method thereof. The battery shell is a flat plate body and is provided with an upper surface and a lower surface, which are opposite to each other; an annular groove is punched and molded in the upper surface, and an annular lug boss is correspondingly molded on the lower surface; a step is correspondingly molded at the edge of an upper shell body; the lug boss and the groove are both located at the inner side of the step; an outer side surface of the lug boss is a first matching surface, and the lower surface of the step is a second matching surface. In an occasion that a cell cap is saved, an assembling procedure of the cell is simplified, and hidden dangers of the cell are reduced or eliminated; in an occasion that the cell cap is remained, an aluminum material for manufacturing the cap can be saved, and the thickness of the material can be reduced to a certain extent.
Description
Technical field
The application relates to a kind of battery battery core and assembly method thereof.
Background technology
Finished product lithium battery includes battery core, protection circuit plate and nameplate paper, film.The effect of protection circuit plate is anti-
Only battery is overcharged and by overdischarge.
As it is shown in figure 1, battery core generally comprises block 31, housing 36, core 19 and electrolyte, block 31
Constitute sealing shell, electrolyte and core with housing 36 to be all sealed in sealing shell.
Block 31 is made up of rivet 33, insulating seal 34, connection sheet 55 and cover plate 35, and rivet 33 leads to
Cross insulating seal 34 to insulate with cover plate 35, rivet 33 be the negative pole of battery core, cover plate 35 for battery core just
Pole.Housing 36 is connected by laser welding with block 31, constitutes confined space.The system of aluminum hull block
Make employing injection mould pressing technology this technique of injecting formed plastic sealed insulation body on metal cover board.Use this
The block of kind of technology manufacture exists that manufacturing process is many, efficiency is low, the deficiency that manufacturing process is complicated.
Aluminum hull housing is bottom seal, open-topped cube.Through multi-drawing, the aluminium sheet of plane by
Step becomes bottom seal, open-topped cube structure.Wherein, aluminum hull stretching technique difficulty is the biggest,
Especially, the product that, length the least to width is the biggest, the biggest, e.g., width 3 millimeters, length 50 milli
Rice, highly 70 millimeters, technical difficulty is the biggest, and conforming product rate is the lowest, generally, use stretching skill
Art manufactures that aluminum hull, especially width be little, length greatly, the biggest product, technical difficulty is big, operation is many,
Qualification rate is low.
Housing is fixing as it is shown in figure 1, aluminum hull is filled in the block 31 with step 30 and opens with sealing of block
In oral area 32, step 30 and the shell nozzle portion 32 of block form a bonding crack rounded 7,
Bonding crack 7 with Laser Welding welding one circle make the housing on bonding crack 7 both sides, block fuse into one and block 31
Sealing is fixed on shell nozzle portion 32.In order to block is assembled with housing, welded, need to form step 30, for
Form step, need the edge punching press of thicker cover plate, make side edge thereof thickness diminish formation step, real
The cover-plate step ratio that border is welded with housing oral area is relatively thin, actual has only to relatively thin cover plate, but
In order to form the material that step has just used thickness to double, cause waste of material.
Existing aluminum-shell lithium battery shell is made up of housing and block, and core is core with the assembly method of housing
Fill in housing from shell nozzle portion.Housing is that peristome size is little, and especially length is much larger than thickness, e.g.,
Width 5 millimeters, length 34 millimeters, and, the most greatly, e.g., highly 50 millimeters, hold for pursuing battery core
Amount, the length, width and height size of core is the biggest, fills in housing the most relatively difficult, grasps bad, core
Easily scratched by shell nozzle portion, cause the potential safety hazard of battery core.
Summary of the invention
The present invention provides a kind of new battery case, battery battery core, battery and assembly method thereof.
The present invention provides the upper shell of a kind of battery case, for platysome, has relative upper surface and following table
Face, described upper surface punch forming goes out annular groove, and described lower surface correspondence molds annular boss, described
The edge correspondence of upper shell molds step, and described boss and groove are respectively positioned on the inner side of described step, described
The lateral surface of boss is the first cooperation face, and the lower surface of described step is the second cooperation face.
Battery case is metal shell, and its upper shell and lower house can be all metallic objects.
When top surface edge leans on inner position stamped recess, corresponding, mold boss at lower surface, on limit
Edge molds step.Step can also be annular, and it is around this groove.
The cross section of described boss is right angled triangle, and described first coordinates face vertical with the lower surface of upper shell.
Boss has medial surface and lateral surface, and medial surface can tilt, and lateral surface can be with the following table of upper shell
Face is vertical, makes the rectangular triangle in cross section of boss, and this cross section can be with the axis parallel of battery case.
A kind of battery case, including upper shell and lower house, described lower house is the box-like body of side mouth,
Described upper shell is platysome, and described upper shell has relative upper and lower surface, and described upper surface rushes
Molded go out annular groove, described lower surface correspondence molds annular boss, and the edge of described upper shell is corresponding
Molding step, described boss and groove are positioned at the inner side of described step, and the lateral surface of described boss is first
Cooperation face, the lower surface of described step is the second cooperation face, and the upper surface of described lower house peristome is the 3rd
Cooperation face, the second cooperation face of described upper shell is pushed down the 3rd cooperation face of described lower house and is formed around one
The bonding crack in week, described bonding crack is soldered closure, the first cooperation face of described upper shell and described lower house
The medial surface of peristome coordinates.The cooperation in the first cooperation face and lower house aperture face includes laminating, rubs
Wipe and coordinate and tight fit etc..
For battery case, lower house is side mouth, and upper shell closes this side mouth.Electrode vertically to
On offer through lower house top first run through through hole.
The lateral surface (outer peripheral face) of step can align with the lateral surface (outer peripheral face) of lower house peristome.
A kind of battery battery core, including shell and the core with positive and negative electrode, described shell includes upper shell
And lower house, described lower house is the box-like body of side mouth, and described upper shell is platysome, described upper casing
Body has relative upper and lower surface, and described upper surface punch forming goes out annular groove, described lower surface
Correspondence molds annular boss, and the edge correspondence of described upper shell molds step, described boss and groove position
In the inner side of described step, the lateral surface of described boss is the first cooperation face, and the lower surface of described step is
Two coordinate face, and the upper surface of described lower house peristome is the 3rd cooperation face, the second cooperation of described upper shell
Face is pushed down the 3rd cooperation face of described lower house and is formed the bonding crack that rounds, and described bonding crack is soldered
Closure, the first cooperation face of described upper shell coordinates with the medial surface of described lower house peristome, described lower casing
The top of body is provided with two first and runs through through hole, and two described electrodes the most upwards pass two described first and pass through
Reach through hole.
Described battery battery core, also includes that insulating spacer, the top of described lower house are additionally provided with and seals for fluid injection
Mouthful second run through through hole, described lower house be additionally provided with described with two first run through through hole corresponding communicate two
Individual first tubular body, described first tubular body entangles described slider, and described slider entangles described electrode,
The described slider described electrode of insulation and shell, described slider, the first tubular body and electrode are fixed as one.
Described slider includes the second tubular body, described first tubular body by entangling described second tubular body and
Entangling described slider, the big bottom, outside dimension top of described second tubular body is little, under described second tubular body
Portion and described first tubular body have gap, described second tubular body top and described first tubular body tight fit.
Slider can also include that step ring, the second tubular body are positioned at the lower section of step ring, and step ring can support
Live the upper surface of the first tubular body.Slider can also include that the 3rd tubular body, the 3rd tubular body are positioned at step
The top of ring.The inside of the 3rd tubular body, step ring and the second tubular body communicates and constitutes and run through whole up and down
The 3rd of slider runs through through hole, and positive and negative electrode can be drawn the 3rd from the bottom to top and be run through through hole.
Also being cased with reinforcing body outside described slider, described reinforcing body entangles described first tubular body and slider,
The bottom stress deformation reducing of described reinforcing body and make described reinforcing body, slider and electrode fastening one.Add
Solid can be bottomless cylindrical body, it is also possible to for there being bottom tube-like body.
A kind of battery battery core, including shell, block and the core with positive and negative electrode, described shell includes
Housing and block, described housing is open-topped box-like body, and described block includes that cover plate, described cover plate are
Platysome also closes the peristome of described housing, and described cover plate has relative upper and lower surface, described
Upper surface punch forming goes out annular groove, and described lower surface correspondence molds annular boss, the limit of described cover plate
Edge correspondence molds step, and described boss and groove are positioned at the inner side of described step, the lateral surface of described boss
Being the first cooperation face, the lower surface of described step is the second cooperation face, and the upper surface in described shell nozzle portion is
3rd coordinates face, and the second cooperation face of described cover plate is pushed down the 3rd cooperation face of described housing and formed around one
The bonding crack in week, described bonding crack is soldered closure, the first cooperation face of described cover plate and described shell nozzle
The medial surface in portion coordinates, and two described electrodes are all fixed with described block, and two described electrode insulations.
Block can also include sealing ring, rivet and conductive connecting piece, and cover plate has the through hole run through up and down,
Sealing ring is filled in through hole, and rivet is filled in this sealing ring, connects sheet and is positioned at housing the head with rivet
Fixing, after riveting, sealing ring, rivet, connection sheet and cover plate are fixed as one, and negative electrode can be with connection sheet
Being conductively connected, anelectrode can be conductively connected with cover plate, and sealing ring makes cover plate and negative electrode insulation.
A kind of battery, including protection circuit plate, described protection circuit plate has positive and negative input, also includes
Described battery battery core, the positive and negative electrode of described battery battery core is positive and negative defeated with described protection circuit plate respectively
Enter end to connect.
The assembly method of a kind of battery, comprises the steps:
Two electrodes of core inside-out through lower house the first tubular body, core is seated in lower house；
After slider is overlapped live electrode from the top down, it is further continued for filling in downwards described first tubular body and described
First tubular body entangles, and makes the step ring of described slider prop up the first tubular body upper surface；
Binding agent is filled into the gap between described slider and electrode；
That reinforcing body is entangled from the top down slider, the first tubular body, and described reinforcing body runs through through hole
Entangle the 3rd tubular body of slider, and at the bottom of the cylinder of reinforcing body, prop up the step ring of slider from the top down,
After the binding agent that body to be isolated is filled to a certain degree solidifies, the reducing of reinforcing body bottom；
Upper case cover is stayed housing, and the annular boss of upper shell is filled in the peristome of lower house；
By modes such as Laser Welding, the bonding crack welding of upper and lower casing is blocked.
The invention has the beneficial effects as follows: in the occasion saving battery core block, simplify the assembly process of battery core,
Reduce or eliminate the potential safety hazard of battery core；In the occasion retaining battery core block, manufacture block can be saved
Aluminium, can a certain degree of reduction material thickness.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing square aluminum hull battery core；
Fig. 2 is the perspective view of present embodiment battery battery core；
Fig. 3 is the Fig. 2 sectional view along A-A direction:
Fig. 4 is the Fig. 2 sectional view (cuing open in the middle of electrode) along B-B direction；
Fig. 5 is the top view of the insulating spacer of present embodiment:
Fig. 6 is the front view of the insulating spacer of present embodiment:
Fig. 7 is the left view of the insulating spacer of present embodiment；
Fig. 8 is the top view of the reinforcing body of present embodiment；
Fig. 9 is the front view of the reinforcing body of present embodiment；
Figure 10 is the left view of the reinforcing body of present embodiment；
Figure 11 is the top view that present embodiment has four electrode insulation sliders；
Figure 12 is the front view that present embodiment has four electrode insulation sliders；
Figure 13 is the left view that present embodiment has four electrode insulation sliders；
Figure 14 is the front view of the present embodiment battery battery core of band block；
Figure 15 is the block top view of the present embodiment battery battery core of band block；
Figure 16 is the partial enlarged drawing in Fig. 3 at P indication.
Detailed description of the invention
Combine accompanying drawing below by detailed description of the invention the present invention is described in further detail.
As shown in Fig. 2 to Fig. 4 and Figure 16, a kind of battery case 18, including upper shell 1 and lower house 2.
Lower house 2 is inboard sealing, (inboard, outside are relative to Fig. 2 for the volume with a constant volume of outer openings
For).Upper shell 1 is slightly to stamp out by inner position along four edges, limit at specific dimensions thin plate upper surface 200
One annular groove 101, shapes an annular boss 102, boss 102 accordingly at thin plate lower surface 201
Lateral surface 103 is the first cooperation face, matches with lower house 2 aperture face 104, naturally, thin
Plate outermost is exactly upper shell step 30, after in place to upper shell 1 and lower house 2, and upper shell step 30 times
Contact formation one with lower house peristome upper surface 107 (the 3rd coordinates face) on surface 106 (second coordinates face)
The bonding crack 7 rounded, welds bonding crack 7 and blocks, and upper shell 1, lower house 2 just constitute electricity
The sealing shell 18 in pond.Preferably, boss 102 lateral surface 103 is and shell nozzle portion medial surface 104
First coordinates face, and boss medial surface 114 is inclined-plane inside-out, the lateral surface 103 of boss and medial surface
114 form right angle trianglees.
Lower house 2 top formed go out for core 19 positive and negative electrode 21 draw first run through through hole 8, supply
Fluid injection, steel ball sealing one second run through through hole 9.Lower house 2 also has and runs through through hole 8 one by one with first
The first tubular body 15 that correspondence communicates, the first tubular body 15 extends from bottom to top, exceeds lower house 2 top surface
109, the first tubular body 15 communicates with lower house inner space 108.
In present embodiment, upper shell is platysome, and it has relative upper and lower surface, and annular is recessed
Geosynclinal concave is located at this upper surface, and annular boss is convexly equipped in this lower surface, and this boss is corresponding with groove.Step site
In the outermost edge of this upper shell, boss and groove are positioned at the inner side of this step.The lower surface of step is energy
Enough the second cooperation faces contacted with lower casing dignity, the upper surface of lower house peristome is the 3rd cooperation face, boss
Outer surface be the first cooperation face that can coordinate with the medial surface of lower house peristome.
A kind of battery battery core, as shown in Fig. 2 to Figure 10 and Figure 16, including shell 18, insulating spacer 11,
Reinforcing body 111, core 19 and electrolyte.Arrange in the first tubular body 15 of shell 18 one insulation every
In vitro 11, slider 11 has supply positive and negative electrode 21 to pass the 3rd and runs through through hole 12 and a step ring
110, wherein, the 3rd of slider runs through through hole 12 by step ring 110 and downward projection of from step ring 110
Second tubular body 14 is surrounded, it is preferred that shape the 3rd tubular body 116 on step ring 110, the
Three tubular bodies 116, step ring the 110, second tubular body 14 are internal to be communicated, and is shaped as outside the second tubular body 14
The least the biggest tubaeform above, it is dimensioned slightly smaller than the first tubular body 15 inside dimension below, overlying dimension is bigger
In the first tubular body 15 inside dimension, slider 11 is compressed inside shell the first tubular body 15 from the top down
Time in place, slider 11 can be easily guided into the first tubular body 15 again can be with the first tubular body 15 medial surface close-fitting
Close to keep sealing and fix, between slider the second tubular body 14 and electrode 21 therebetween through, leave gap
17, filling adhesive seals fixed electrode, slider, and in the second tubular body 14, (the 3rd runs through through hole to shape
The shape of 12) be up big and down small horn shape, below size little be to run through through hole 12 times to reduce the 3rd
Gap between face and electrode, during filling adhesive stop binding agent flow away from below, overlying dimension be greatly for
Increase the 3rd and run through the through hole 12 gap above and between electrode 21, make the binding agent can reliably fill second
Tubular body 14 and the gap 17 of electrode 21.
Reinforcing body 111 is the cylindrical metallic structure having the end (unclosed), and above, Open Side Down for cylinder at the end,
And have the 4th at the end and run through through hole 115.After slider 11 fills in the first tubular body 15, and every
After in vitro 11 are filled by binding agent with the gap 17 of electrode 21, to be bonded dose has a certain degree of solidification (i.e.
The process of solid is become by liquid) after, reinforcing body 111 is entangled slider 11 and the first tubulose from the top down
Body 15, and the bottom 112 fixture reducing of reinforcing body 111, make the first tubular body 15 bottom 113 also with
With contraction, reinforcing slider 11 is fixed with the sealing of the first tubular body 15 further, reinforces slider second
The sealing of tubular body 14 and electrode 21 is fixed.
If enough, reinforcing body 111 not necessarily, can be directly to first for the first tubular body 15 wall thickness
Tubular body bottom 113 is shunk.
Reinforcing body 111 can not be the cylindrical metallic structure with open bottom, can be directly bottomless cylinder
Shape body metal structure, the cylindrical body metal structure intensity simply with open bottom can be more preferably.
In present embodiment, battery battery core includes shell, insulating spacer, core and electrolyte, core and
Electrolyte is sealed in this sealing shell.Shell has the first tubular body, and slider has the second tubular body,
First tubular body entangles the second tubular body, the second tubular body set live electrode, slider insulating electrode and shell.
First tubular body and the second tubular body tight fit and seal and be fixed as one, between the second tubular body and electrode between
Gap is filled by binding agent and is sealed.The outside dimension of the second tubular body is up big and down small tubaeform, outside its top
Being slightly larger in dimension than the inside dimension of the first tubular body, the outside dimension of its underpart is slightly less than the inside dimension of the first tubular body.
Shell can include that above-mentioned upper shell and lower house, the first tubular body can be located at lower house.
Battery battery core can also include reinforcing body, and this reinforcing body can entangle the first tubular body and slider, logical
Cross applying external force and make the bottom reducing of reinforcing body, strengthen slider and the first tubular body, the second pipe further
Sealing between shape body and electrode is fixed.
What slider can have that the power pole run through up and down stretches out the 3rd runs through through hole, and the 3rd runs through through hole
Can generally up big and down small tubaeform in aperture, it is also possible to the part being only located in the second tubular body is loudspeaker
Shape.
As shown in Figure 11 to Figure 13, for high-capacity unit battery core, there is multiple core, correspondingly, every
In vitro 11 have that multiple power pole stretches out the 3rd run through through hole 12.
The core of lithium battery and shell assembly method:
Two electrodes 21 of core inside-out through lower house the first tubular body 15, core 19 is seated in
In lower house 2, as shown in Figure 3, Figure 4.
After slider 11 is overlapped live electrode 21 from the top down, it is further continued for filling in downwards the first tubular body 15 and quilt
First tubular body 15 entangles, and makes slider 11 step ring 110 prop up the first tubular body 15 upper surface, as
Shown in Fig. 4.
The gap 17 that binding agent is filled between slider 11 and electrode 21, as shown in Figure 6, Figure 7.
Reinforcing body 111 is entangled slider the 11, first tubular body 15 from the top down, and reinforcing body 111
Run through through hole 115 and entangle the 3rd tubular body 116 of slider 11, and at the bottom of the cylinder of reinforcing body 111 to
Under prop up the step ring 110 of slider, after the binding agent that body 11 to be isolated is filled to a certain degree solidifies, adding
Solid bottom 112 reducing, as shown in Figure 4.
Upper shell 1 is covered lower house 2, and the annular boss 102 of upper shell 1 fills in opening of lower house 2
In oral area 32, as shown in Figure 3.
By Laser Welding the bonding crack 7 of upper and lower casing welded and block, as shown in Figure 2.
Battery includes lithium battery, vanadium cell or super capacitance cell.
The requirement of bonding agent, slider is high temperature resistant, electrical insulation capability good and electrolyte resistance corrosion, as slider can
Thinking politef, bonding agent can be AB glue.Upper-lower casing, reinforcing body can be metal, if not
Rust steel, ferrum, aluminum.
Such as Figure 14, Figure 15, for the aluminum hull that traditional opening is little, deep, need to use block, shell 18
Including block 31 and housing 36.Block 31 includes cover plate 35, sealing ring 34, rivet 33 and connects sheet 55,
Wherein, at cover plate 35 upper surface along edge slightly by inner one annular groove 101 of position punching press, under cover plate
Surface shapes an annular boss 102 accordingly, and boss 102 lateral surface 103 coordinates face for block, with shell
Body peristome 32 medial surface 104 matches, and naturally, cover plate outermost is exactly block step 30, block
After 31 is in place with housing 36, step 30 lower surface 106 contacts with shell nozzle portion end face 107 formation one
The individual bonding crack 7 rounded, welds bonding crack 7 and blocks, and block, housing just constitute the close of battery
Close shell 18.Material half can be about saved in the block that this mode is made.This technique is not thick material
Edge punching press is thinning and forms step 30 with thick material, but edge slightly by inner material above to
Under be stamped and formed out groove, accordingly, shape below material can with housing oral area coordinate cooperation face 103
And step 30.
Above content is to combine specific embodiment further description made for the present invention, it is impossible to recognize
Determine the present invention be embodied as be confined to these explanations.Ordinary skill for the technical field of the invention
For personnel, without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace.
Claims (11)
1. the upper shell of a battery case, it is characterised in that for platysome, have relative upper surface and
Lower surface, described upper surface punch forming goes out annular groove, and described lower surface correspondence molds annular boss,
The edge correspondence of described upper shell molds step, and described boss and groove are respectively positioned on the inner side of described step,
The lateral surface of described boss is the first cooperation face, and the lower surface of described step is the second cooperation face.
2. the upper shell of battery case as claimed in claim 1, it is characterised in that the cross section of described boss
Being right angled triangle, described first coordinates face vertical with described lower surface.
3. a battery case, including upper shell and lower house, described lower house is the box-like body of side mouth,
It is characterized in that, described upper shell is platysome, and described upper shell has relative upper and lower surface,
Described upper surface punch forming goes out annular groove, and described lower surface correspondence molds annular boss, described upper casing
The edge correspondence of body molds step, and described boss and groove are positioned at the inner side of described step, described boss
Lateral surface is the first cooperation face, and the lower surface of described step is the second cooperation face, described lower house peristome
Upper surface is the 3rd cooperation face, and the 3rd cooperation face of described lower house is pushed down in the second cooperation face of described upper shell
And forming the bonding crack rounded, described bonding crack is soldered closure, the first cooperation face of described upper shell
Coordinate with the medial surface of described lower house peristome.
4. a battery battery core, including shell and the core with positive and negative electrode, described shell includes upper casing
Body and lower house, described lower house is the box-like body of side mouth, it is characterised in that described upper shell is flat
Plate body, described upper shell has relative upper and lower surface, and it is recessed that described upper surface punch forming goes out annular
Groove, described lower surface correspondence molds annular boss, and the edge correspondence of described upper shell molds step, institute
Stating boss and groove is positioned at the inner side of described step, the lateral surface of described boss is the first cooperation face, described
The lower surface on rank is the second cooperation face, and the upper surface of described lower house peristome is the 3rd cooperation face, described on
Second cooperation face of housing is pushed down the 3rd cooperation face of described lower house and is formed the bonding crack that rounds, institute
State bonding crack and be soldered closure, the first cooperation face of described upper shell and the medial surface of described lower house peristome
Coordinating, the top of described lower house is provided with two first and runs through through hole, and two described electrodes the most upwards pass
Two described first run through through hole.
5. battery battery core as claimed in claim 4, it is characterised in that the cross section of described boss is right angle three
Dihedral, described first coordinates face vertical with the lower surface of described upper shell.
6. battery battery core as claimed in claim 4, it is characterised in that also include insulating spacer, described
The top of lower house is additionally provided with for fluid injection sealing second and runs through through hole, and described lower house is additionally provided with and two institutes
Stating first and run through two the first tubular bodies that through hole correspondence communicates, described first tubular body entangles described slider,
Described slider entangles described electrode, and described slider insulate described electrode and shell, described slider, the
One tubular body and electrode are fixed as one.
7. battery battery core as claimed in claim 6, it is characterised in that described slider includes the second tubulose
Body, described first tubular body entangles described slider by entangling described second tubular body, described second pipe
The big bottom, outside dimension top of shape body is little, and described second tubular body bottom and described first tubular body have gap,
Described second tubular body top and described first tubular body tight fit.
8. battery battery core as claimed in claim 7, it is characterised in that be also cased with outside described slider reinforcing
Body, described reinforcing body entangles described first tubular body and described slider, and the bottom stress of described reinforcing body becomes
Shape reducing and make described reinforcing body, slider, the first tubular body and electrode fastening one.
9. a battery battery core, including shell, block and the core with positive and negative electrode, described shell bag
Including housing and block, described housing is open-topped box-like body, and described block includes cover plate, described cover plate
Being platysome the peristome closing described housing, described cover plate has relative upper and lower surface, its
Being characterised by, described upper surface punch forming goes out annular groove, and described lower surface correspondence molds annular boss,
The edge correspondence of described cover plate molds step, and described boss and groove are positioned at the inner side of described step, described
The lateral surface of boss is the first cooperation face, and the lower surface of described step is the second cooperation face, described shell nozzle
The upper surface in portion is the 3rd cooperation face, and the 3rd cooperation face of described housing is pushed down in the second cooperation face of described cover plate
And form the bonding crack that rounds, described bonding crack is soldered closure, the first cooperation face of described cover plate with
The medial surface in described shell nozzle portion coordinates, and two described electrodes are all fixed with described block, and described in two
Electrode insulation.
10. a battery, including protection circuit plate, described protection circuit plate has positive and negative input, and it is special
Levy and be, also include the battery battery core described in any one in claim 4-9, described battery battery core just,
Negative electrode is connected with the described positive and negative input of protection circuit plate respectively.
The assembly method of 11. 1 kinds of batteries, it is characterised in that comprise the steps:
Two electrodes of core inside-out through lower house the first tubular body, core is seated in lower house；
After slider is overlapped live electrode from the top down, it is further continued for filling in downwards described first tubular body and by first
Tubular body entangles, and makes the step ring of described slider prop up the first tubular body upper surface；
Binding agent is filled into the gap between described slider and electrode；
That reinforcing body is entangled from the top down slider, the first tubular body, and described reinforcing body runs through through hole
Entangle the 3rd tubular body of slider, and at the bottom of the cylinder of reinforcing body, prop up the step ring of slider from the top down,
After the binding agent that body to be isolated is filled to a certain degree solidifies, the reducing of reinforcing body bottom；
Upper case cover is stayed housing, and the annular boss of upper shell is filled in the peristome of lower house；
The bonding crack of upper and lower casing is welded and blocks.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610533118.XA CN105977408B (en) | 2016-07-07 | 2016-07-07 | Battery case, battery battery core, battery and its assembly method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610533118.XA CN105977408B (en) | 2016-07-07 | 2016-07-07 | Battery case, battery battery core, battery and its assembly method |
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| CN105977408A true CN105977408A (en) | 2016-09-28 |
| CN105977408B CN105977408B (en) | 2019-02-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108417877A (en) * | 2018-02-05 | 2018-08-17 | 东莞超霸电池有限公司 | A kind of high-capacity battery sealing process |
| WO2019113970A1 (en) * | 2017-12-15 | 2019-06-20 | 珠海微矩实业有限公司 | Button cell and method for manufacturing same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4076908A (en) * | 1975-08-12 | 1978-02-28 | Varta Batterie Aktiengesellschaft | Pole bolt seal for storage batteries |
| CN1428878A (en) * | 2001-12-25 | 2003-07-09 | 日电东金栃木有限公司 | Enclosed cell |
| CN102057517A (en) * | 2009-07-24 | 2011-05-11 | 丰田自动车株式会社 | Battery manufacturing method, press tools therefor, and batteries |
| CN102280598A (en) * | 2011-01-27 | 2011-12-14 | 丁振荣 | Lithium battery block, manufacturing method and lithium battery |
| CN103996803A (en) * | 2013-02-20 | 2014-08-20 | 株式会社杰士汤浅国际 | Electric storage device, electric storage apparatus, method for producing electric storage device, and method for producing cover plate |
-
2016
- 2016-07-07 CN CN201610533118.XA patent/CN105977408B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4076908A (en) * | 1975-08-12 | 1978-02-28 | Varta Batterie Aktiengesellschaft | Pole bolt seal for storage batteries |
| CN1428878A (en) * | 2001-12-25 | 2003-07-09 | 日电东金栃木有限公司 | Enclosed cell |
| CN102057517A (en) * | 2009-07-24 | 2011-05-11 | 丰田自动车株式会社 | Battery manufacturing method, press tools therefor, and batteries |
| CN102280598A (en) * | 2011-01-27 | 2011-12-14 | 丁振荣 | Lithium battery block, manufacturing method and lithium battery |
| CN103996803A (en) * | 2013-02-20 | 2014-08-20 | 株式会社杰士汤浅国际 | Electric storage device, electric storage apparatus, method for producing electric storage device, and method for producing cover plate |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019113970A1 (en) * | 2017-12-15 | 2019-06-20 | 珠海微矩实业有限公司 | Button cell and method for manufacturing same |
| CN108417877A (en) * | 2018-02-05 | 2018-08-17 | 东莞超霸电池有限公司 | A kind of high-capacity battery sealing process |
| CN108417877B (en) * | 2018-02-05 | 2020-07-14 | 东莞超霸电池有限公司 | High-capacity battery sealing process |
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| CN105977408B (en) | 2019-02-19 |
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