CN103682185A - Battery cell, battery and electrode cap sealing and fixing method of battery - Google Patents
Battery cell, battery and electrode cap sealing and fixing method of battery Download PDFInfo
- Publication number
- CN103682185A CN103682185A CN201210319628.9A CN201210319628A CN103682185A CN 103682185 A CN103682185 A CN 103682185A CN 201210319628 A CN201210319628 A CN 201210319628A CN 103682185 A CN103682185 A CN 103682185A
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- 238000007789 sealing Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title abstract description 13
- 239000007767 bonding agent Substances 0.000 claims description 36
- 239000011159 matrix material Substances 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000000149 penetrating effect Effects 0.000 abstract 3
- 238000003466 welding Methods 0.000 description 15
- 239000003792 electrolyte 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
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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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
- H01M50/183—Sealing members
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- 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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a battery cell, a battery and an electrode cap sealing and fixing method of the battery. The battery comprises a shell, a cap and a roll core, wherein the shell is provide with an opening part on the top; the cap is inserted in the opening part to a certain depth to form a cavity with the opening part; the cap and the inner wall surface of the opening part are fixedly sealed to form an airtight shell with the shell; the roll core is fixed in the airtight shell and provided with two electrodes; the cap comprises a base; the base is provided with two first penetrating through holes; the electrodes respectively upwards penetrate into the corresponding first penetrating through holes; the electrodes are respectively adhered to the hole wall surfaces of the first penetrating through holes to be fixedly sealed. The sealing of the electrodes and the cap is realized by utilizing an adhesion fixing technique, so that the battery manufacturing process is greatly simplified.
Description
Technical field
The application relates to field of batteries, comprises lithium battery, vanadium cell or super capacitance cell etc.
Background technology
Finished product lithium battery comprises battery core, protection circuit plate, plastic frame (or upper plastic cover) and nameplate paper.The effect of protection circuit plate is to prevent that battery from being overcharged and by overdischarge.
Battery core generally comprises block, shell, insulating trip, volume core and electrolyte, and block forms closed shell with shell welding, and electrolyte, insulating trip and volume core are sealed in closed shell.Block generally comprises cover plate, sealing ring and for the rivet of extraction electrode, by making sealed ring deformation realize the sealing of rivet and cover plate; In addition, the sealing of general shell and block is the way that adopts Laser Welding, with laser, the gap between shell aperture portion and block is melted and integrally welded, and these all cause the manufacture efficiency of battery low, and manufacturing process is complicated.
Summary of the invention
The application provides a kind of battery battery core, battery and the block electrode sealing fixing means that can simplify battery manufacturing process.
The application provides a kind of battery battery core, comprise shell, block and volume core, described shell has the peristome that is positioned at its top, described block is filled in described peristome to certain depth and is formed cavity with described peristome, fixing and the adhering and sealing of the internal face of described block and described peristome and form closed shell with described shell, described volume core is fixed on the inside of described closed shell, described volume core has two electrodes, described block comprises base portion, described base portion has the first upper surface and the first lower surface, run through on described first, lower surface forms two first and runs through through hole, described in each, electrode all upwards penetrates corresponding described first and runs through through hole, and electrode and the first wall surface of the hole that the runs through through hole sealing that is adhesively fixed described in each.
Block is filled in peristome to certain depth, blocks a shot lower than the top end face (being the top end face of shell) of peristome, and the highest point of also blocking a shot is lower than this top end face.
Battery comprises lithium battery, vanadium cell or super capacitance cell, if battery is lithium battery.
Electrode and the first wall surface of the hole that runs through through hole are adhesively fixed to seal and refer to: electrode and this wall surface of the hole are by the bonding fixing and sealing that realizes both.
Adhering and sealing refers to by bonding mode realizes sealing.
Further, described battery battery core, also comprise insulating trip, described insulating trip be fixed on described closed shell inside and described block and volume core between, described insulating trip has the second upper surface and the second lower surface, run through described the second upper and lower surface and form two second and run through through hole, described in each, electrode all upwards penetrates corresponding described second and runs through through hole.
Further, described block and internal face seal by bonding agent, between described block and described internal face, form the first gap, and described bonding agent covers the top perimeter in described the first gap and infiltrates described the first gap.
Block is fixed with the internal face multi-point welding of peristome, that is, block and this internal face weld rather than full weld by a plurality of solder joints.
Further, described block also comprises from the described base portion one-body molded annular auxiliary section going out that makes progress, between described base portion, auxiliary section and peristome, form described cavity, described base portion and auxiliary section form cylindrical body, described auxiliary section coordinates with described peristome socket, forms described the first gap between described auxiliary section and the internal face of described peristome.
Further, in described cavity, be filled with described bonding agent, described electrode and described first runs through between the wall surface of the hole of through hole and forms the second gap, described bonding agent covers the top perimeter in described the first gap and infiltrates described the first gap, and described bonding agent covers the top perimeter in described the second gap simultaneously and infiltrates described the second gap and make the sealing that is adhesively fixed of described electrode and block.That is, by inject bonding agent in cavity, utilize flowing of bonding agent, realize simultaneously the covering of the first gap and periphery, the second gap and periphery thereof is infiltrated.
Be adhesively fixed when sealing, can directly in cavity, inject bonding agent, the gap that utilizes naturally covering of bonding agent to infiltrate to enter between block and peristome and gap and the periphery thereof between periphery, block and electrode thereof, realize and sealing.Certainly, also can be directly at adhesive-applying between block and peristome, between block and electrode.
Further, the internal face of described auxiliary section and described peristome is welded and fixed or is buckled to fix or is tightly fixed.
Further, described battery battery core, also comprise tubular body, described block also has and runs through the 3rd of the first upper and lower surface and run through through hole, described insulating trip correspondence has and runs through the 4th of the second upper and lower surface and run through through hole, the described tubular body one that makes progress from the described the 4th limit, hole of running through through hole is extended, described tubular body have run through the 5th run through through hole, the described the 5th runs through through hole and the 4th runs through through hole and communicates, described tubular body upwards passes the described the 3rd and runs through through hole, and the sealing that is adhesively fixed of described tubular body and described the 3rd wall surface of the hole that runs through through hole.
Further, the described the 5th to run through through hole be up big and down small tubaeform in aperture.
A kind of battery; comprise protection circuit plate, enclosing cover and described battery core; described protection circuit plate has positive and negative electrode input, and described enclosing cover and described protection circuit plate and shell are all fixing, and two electrodes of described battery core are connected with described positive and negative electrode input respectively.
Further; described enclosing cover comprises matrix and the annular ennation molding from described matrix one downwards; described matrix and ennation form cylindrical body, and described protection circuit plate is located at the inside of described cylindrical body, and the internal face of described ennation and described peristome is adhesively fixed.
Further, the upper surface of described enclosing cover matrix is concaved with fool proof groove.
An electrode cap sealed fixing means for battery, described battery comprises shell, block and volume core, and described block has two first of answering with two electrode pairs of described volume core and runs through through hole, and sealing is fixedly time,
A) first, volume core is filled in to enclosure;
B) then, two first of block, run through through hole and be inserted in respectively two electrodes rolling up core, block is filled in completely to the peristome of shell, make to form a cavity between block and shell aperture portion;
C) last, block is fixed on to shell aperture portion inner, use bonding agent block and shell, electrode and block adhering and sealing.
Described battery also comprises insulating trip, described insulating trip has two second of answering with two electrode pairs and runs through through hole, described step a) in, two second of insulating trip run through through hole be inserted in respectively volume core two electrodes, insulating trip is filled in to enclosure and be attached to volume core top.
Described step c), in, described block can be welded and fixed or be buckled to fix or be tightly fixed inner in shell aperture portion.
Due to be block and shell first in place and fixing after just start bonding process, production efficiency is higher,
The application's beneficial effect is:
1) utilize the technology that is adhesively fixed, realize the sealing of electrode block, greatly simplified battery manufacturing process.
2) block and shell, block and electrode all utilize the technology of being adhesively fixed, and have realized the sealing between block and shell, block and electrode, have more simplified battery manufacturing process.
3) electrode of volume core directly connects protection circuit plate, has reduced material and operation that electrode is drawn, is convenient to carry out quality control.
4) by block being filled in shell aperture portion, and block is welded on shell, solved the pressure-bearing problem of battery core, namely solved between block and shell and fixedly secured problem, then bonding agent is covered, fill, infiltrate gap and periphery between block and shell, gap and periphery between block and electrode, reach block and shell, the sealing of electrode and block, simplified the manufacturing process of battery, overcome only with between bonding agent fixing seal shell and block, the adhesive applicating speed of bringing between electrode and block is very slow, the low deficiency of the inner bearing capacity of battery core.
Accompanying drawing explanation
Fig. 1 is the structural representation of battery battery core of the present invention;
Fig. 2 is the insulating trip schematic top plan view of battery battery core of the present invention;
Fig. 3 is the cross-sectional schematic along A-A direction of Fig. 2;
Fig. 4 is the schematic top plan view of the block of battery battery core of the present invention;
Fig. 5 is the cross-sectional schematic along B-B direction of Fig. 4;
Fig. 6 is the structural representation of battery of the present invention;
Fig. 7 is that the master of the enclosing cover of battery of the present invention looks schematic diagram;
Fig. 8 is the cross-sectional schematic along C-C direction of Fig. 7;
Fig. 9 is the welding schematic diagram of block of the present invention and shell;
Figure 10 is the pad distribution schematic diagram of block of the present invention and shell.
Embodiment
Below by embodiment, by reference to the accompanying drawings the present invention is described in further detail.
A battery core, as shown in Figures 1 to 10, comprises closed shell and is fixed on volume core 1, insulating trip 2 and the electrolyte of closed shell inside.Closed shell comprises shell 3 and block 4, and the material of block 4 and shell 3 is metal, and shell 3 has the peristome 5 that is positioned at its top, and block 4 is fixed on this shell aperture portion 5 position of certain depth inward.Volume core 1 there are two electrodes 6 (positive electrode and negative electrode), block 4 have with two electrodes one to one two first run through through hole 7, insulating trip 2 have with two electrodes 6 one to one two second run through through hole 8.
During assembling, volume core 1 is filled in to shell 3 inside completely, two second of insulating trip 2, run through two electrodes 6 that through hole 8 is inserted in respectively volume core 1, insulating trip 2 is filled in to shell 3 inside and is attached on the top of volume core 1, then two first of block 4, run through two electrodes 6 that through hole 7 is inserted in respectively volume core 1, block 4 is filled in the peristome 5 of shell 3 completely to certain depth, between block 4 and shell aperture portion 5, form a cavity 9, the ring-type auxiliary section 14 of block 4 is weldingly fixed on shell 3, with the first gap 11 (being equivalent to the gap between auxiliary section 14 and shell aperture portion internal face 24) between bonding agent handle block 4 and shell 3, the second gap 12 between 4 of electrode 6 and block (being equivalent to the gap between wall surface of the hole 25 that electrode and first runs through through hole) sealing.
As Fig. 1, the method in the second gap between the first gap, electrode and block between bonding agent sealing cap and shell has: 1) 9 li of cavitys, pour bonding agent into and make bonding agent flood block 4 highest points 31 (highest point that is equivalent to auxiliary section) certain altitude, bonding agent can cover, fill, infiltrate the second gap 12 between top perimeter, electrode and the block in the first gap 11 between block and shell and the first gap and the top perimeter in the second gap naturally; 2) with bonding agent, directly apply the second gap 12 between the first gap 11, electrode and the block between block and shell, bonding agent covers, fills, infiltrates block and the first gap 11 of shell and the second gap 12 and top perimeter thereof of top perimeter, electrode and block thereof.These two kinds of methods are because being all in the first in place and fixing rear inchoate operation of block and shell, and are all that bonding agent covers and infiltrates gap and top perimeter, and production efficiency is higher.
The auxiliary section 14 of block 4 is weldingly fixed on shell 3, do not need all the first gaps all to weld completely, can select the pad of enough suitable quantities just passable, as shown in figure 10, length direction at peristome 5 respectively has three solder joints 29, at the Width of peristome, respectively has a solder joint 29.
Welding method can be laser welding, resistance welded or ultrasonic bonding etc.
As shown in Fig. 1, Fig. 4 and Fig. 5, block can also comprise from base portion 13 and with the one-body molded annular auxiliary section 14 going out of this base portion 13, base portion 13 and auxiliary section 14 form cylindrical body.By annular auxiliary section is set, be convenient to block and fill in maintenance level after shell aperture portion, avoid crooked.In addition, this auxiliary section can provide the Support Position of resistance welding electrode when electric resistance welding, with the Support Position that soldering tip is provided when the supersonic welding, as shown in Figure 9, a resistance welding electrode 28 is supported in the auxiliary section 14 of block in shell aperture portion the inside, another resistance welding electrode 28 applies the required pressure of electric resistance welding work in shell aperture portion outside.
As shown in Figures 1 to 5, at block base portion, opening one runs through the 3rd of the first upper surface 26 and the first lower surface 34 and runs through through hole 15, in insulating trip 2 correspondences, opening one runs through the 4th of the second upper surface 35 and the second lower surface 32 and runs through through hole 16, in the 4th periphery that runs through through hole 16 one that makes progress, extend a tubular body 17, tubular body 17 runs through through hole 15 through the 3rd from bottom to top, the second upper surface of insulating trip 2 fits with the first lower surface of block base portion 13, tubular body 17 has one and runs through through hole 18 as the 5th of block liquid injection hole, the 5th runs through through hole 18 and the 4th runs through through hole 16 and communicates, the 5th runs through through hole 18 is shaped as up big and down small tubaeform in aperture, the height of the height of tubular body 17 and 9 li of bonding agents of cavity is about the same.Tubular body 17 is that flared structure is mainly to facilitate steel ball 33 in place, and tubular body 17 and block 4 are by bonding agent fixing seal, as the fixing seal between block and electrode.
Insulating trip 2 and block 4 shape are all identical with shell aperture portion 5 cross section internal face 24 shapes, undersized, and both convenient cap cap stopper entered peristome, can not leave larger gap again, avoided excesssive gap to cause bonding agent down to flow to and rolled up on core 3; The size that insulating trip second runs through through hole 8 is also more bigger than electrode 6 sizes, can not leave larger gap, avoids excesssive gap to cause bonding agent down to flow on volume core 3.The effect of insulating trip 2 is to separate to roll up the top of core and contacting of block base portion lower surface, prevents from rolling up core by metal nut cap short circuit.
As shown in Figures 1 to 4, block the first size that runs through through hole 7 is obviously greater than the size that insulating trip second runs through through hole 8, and second runs through through hole 8 and occupy first and run through in the middle of through hole 7 when battery core assemble, gives electrode 6 location, make electrode 6 can not with 4 short circuits of blocking a shot.
Block auxiliary section multi-point welding, on shell, is improved to the bearing capacity of battery core, solved the problem that fixedly secures between block and shell; By bonding agent being covered, fill, is infiltrated gap and the top perimeter thereof between block and shell, reach the sealing of block and shell, with the gap of bonding agent sealing cap and shell, be mainly in order to solve sealing problem, block is not just the subject matter that bonding agent will solve with the bonding fastness of shell, bonding agent only need cover gap and the top perimeter thereof of block and shell, simplified the adhesive applicating technique between block, shell, welding procedure and adhesive-applying technique in battery core manufacture can be maximized favourable factors and minimized unfavourable ones separately.If gap only adopts full weld technique between block and shell, welding equipment is expensive, and welding efficiency is low, and first-time qualification rate is low; If only adopt adhesive-applying technique, need to be at block and the shell relative even adhesive-applying of contact-making surface separately, adhesive applicating speed is very slow, the inner bearing capacity of battery core is low, and these two kinds of techniques, in conjunction with after applying, battery core bearing capacity, adhesive-applying efficiency are all improved.
A kind of battery; as shown in FIG. 6 and 7, comprise protection circuit plate 29, enclosing cover 19 and battery core 30, protection circuit plate 29 has positive and negative electrode input; and two electrodes 6 of battery core 30 are connected with positive and negative electrode input respectively, enclosing cover 19 all fixes with protection circuit plate 29, shell 3.
Enclosing cover 19 also comprises from matrix 20 and these matrix 20 one mold downwards certainly annular ennation 21; matrix 20 and ennation 21 form cylindrical body; the inside 22 of cylindrical body holds protection circuit plate 29; the outer peripheral face 23 of annular ennation matches with shell aperture portion internal face 24, and adhesive-applying fixes enclosing cover 19 and shell 3 between two surfaces.
Enclosing cover body upper surface two ends have two dished fool proof grooves 27 that play foolproof function, have had this two and half groove, and battery just can not wrongly be filled in battery case for mobile phone.
That insulating trip, bonding agent require is high temperature resistant, electrical insulation capability good and electrolyte resistance corrodes, and if insulating trip can be polypropylene (PP) material, bonding agent can corrode resistant to elevated temperatures AB glue for electrolyte resistance.
Battery battery core of the present invention comprises square electric cell, cylindrical electrical core, the shape side of the being respectively body cylindrical body of block, cylindrical tube shape body.
For battery battery core, shell is metallic object, and block and shell are when square, and block can be chosen as metallic object, and both are by being welded and fixed; Block and shell are cylindrical, block can be chosen as plastic body, both are buckled to fix, and as the circumferential outer surface at block arranges a plurality of grooves and in shell correspondence, a plurality of projections is set, by being clasped of projection and groove, realize the fixing of block and shell.When block is plastics, insulating trip can be set.Block and shell can also be tightly fixed.
For battery battery core, can be also shell while being square, shell and block are buckled to fix; Or shell is while being cylindrical, shell and block are welded and fixed.
For battery battery core, block the first upper and lower surface of base portion and the second upper and lower surface of insulating trip can be plane, also can, according to assembling or technological requirement, be processed into the on-plane surface with boss.
Above content is in conjunction with concrete execution mode further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace.
Claims (12)
1. a battery battery core, it is characterized in that, comprise shell, block and volume core, described shell has the peristome that is positioned at its top, described block is filled in described peristome to certain depth and is formed cavity with described peristome, fixing and the adhering and sealing of the internal face of described block and described peristome and form closed shell with described shell, described volume core is fixed on the inside of described closed shell, described volume core has two electrodes, described block comprises base portion, described base portion has the first upper surface and the first lower surface, run through on described first, lower surface forms two first and runs through through hole, described in each, electrode all upwards penetrates corresponding described first and runs through through hole, and electrode and the first wall surface of the hole that the runs through through hole sealing that is adhesively fixed described in each.
2. battery battery core as claimed in claim 1, it is characterized in that, also comprise insulating trip, described insulating trip be fixed on described closed shell inside and described block and volume core between, described insulating trip has the second upper surface and the second lower surface, run through described the second upper and lower surface and form two second and run through through hole, described in each, electrode all upwards penetrates corresponding described second and runs through through hole.
3. battery battery core as claimed in claim 1, it is characterized in that, described block and internal face seal by bonding agent, between described block and described internal face, form the first gap, and described bonding agent covers the top perimeter in described the first gap and infiltrates described the first gap.
4. battery battery core as claimed in claim 3, it is characterized in that, described block also comprises from the described base portion one-body molded annular auxiliary section going out that makes progress, between described base portion, auxiliary section and peristome, form described cavity, described base portion and auxiliary section form cylindrical body, described auxiliary section coordinates with described peristome socket, forms described the first gap between described auxiliary section and the internal face of described peristome.
5. battery battery core as claimed in claim 4, it is characterized in that, in described cavity, be filled with described bonding agent, described electrode and described first runs through between the wall surface of the hole of through hole and forms the second gap, described bonding agent covers the top perimeter in described the first gap and infiltrates described the first gap, and described bonding agent covers the top perimeter in described the second gap simultaneously and infiltrates described the second gap and make the sealing that is adhesively fixed of described electrode and block.
6. battery battery core as claimed in claim 4, is characterized in that, the internal face of described auxiliary section and described peristome is welded and fixed or is buckled to fix or is tightly fixed.
7. battery battery core as claimed in claim 1, it is characterized in that, also comprise tubular body, described block also has and runs through on first, the 3rd of lower surface runs through through hole, described insulating trip correspondence has and runs through on second, the 4th of lower surface runs through through hole, the described tubular body one that makes progress from the described the 4th limit, hole of running through through hole is extended, described tubular body have run through the 5th run through through hole, the described the 5th runs through through hole and the 4th runs through through hole and communicates, described tubular body upwards passes the described the 3rd and runs through through hole, and described tubular body and described the 3rd wall surface of the hole that the runs through through hole sealing that is adhesively fixed.
8. battery battery core as claimed in claim 7, is characterized in that, the described the 5th to run through through hole be up big and down small tubaeform in aperture.
9. a battery; comprise protection circuit plate; described protection circuit plate has positive and negative electrode input; it is characterized in that: also comprise the battery core described in any one in enclosing cover and claim 1-8; described enclosing cover and described protection circuit plate and shell are all fixing, and two electrodes of described battery core are connected with described positive and negative electrode input respectively.
10. battery as claimed in claim 9; it is characterized in that; described enclosing cover comprises matrix and the annular ennation molding from described matrix one downwards; described matrix and ennation form cylindrical body; described protection circuit plate is located at the inside of described cylindrical body, and the internal face of described ennation and described peristome is adhesively fixed.
11. batteries as claimed in claim 10, the upper surface of described enclosing cover matrix is concaved with fool proof groove.
The electrode cap sealed fixing means of 12. 1 kinds of batteries, described battery comprises shell, block and volume core, it is characterized in that, and described block has two first of answering with two electrode pairs of described volume core and runs through through hole, and sealing is fixedly time,
A) first, volume core is filled in to enclosure;
B) then, two first of block, run through through hole and be inserted in respectively two electrodes rolling up core, block is filled in completely to the peristome of shell, make to form a cavity between block and shell aperture portion;
C) last, block is fixed on to shell aperture portion inner, use bonding agent block and shell, electrode and block adhering and sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210319628.9A CN103682185A (en) | 2012-08-31 | 2012-08-31 | Battery cell, battery and electrode cap sealing and fixing method of battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210319628.9A CN103682185A (en) | 2012-08-31 | 2012-08-31 | Battery cell, battery and electrode cap sealing and fixing method of battery |
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| Publication Number | Publication Date |
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| CN103682185A true CN103682185A (en) | 2014-03-26 |
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|---|---|---|---|
| CN201210319628.9A Pending CN103682185A (en) | 2012-08-31 | 2012-08-31 | Battery cell, battery and electrode cap sealing and fixing method of battery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104656806A (en) * | 2015-02-12 | 2015-05-27 | 苏州佳世达电通有限公司 | Portable electronic device |
| CN113725531A (en) * | 2017-11-03 | 2021-11-30 | 宁德时代新能源科技股份有限公司 | Power battery top cover component, power battery and battery module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010148800A1 (en) * | 2009-06-23 | 2010-12-29 | 深圳市比克电池有限公司 | Battery assembled cap, cylindrical battery with the cap and method for making the same |
| CN102569679A (en) * | 2011-12-30 | 2012-07-11 | 丁振荣 | Battery core, battery and method for sealing and fixing electrode and cap of battery |
| CN202839777U (en) * | 2012-08-31 | 2013-03-27 | 丁振荣 | Battery cell and battery |
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2012
- 2012-08-31 CN CN201210319628.9A patent/CN103682185A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010148800A1 (en) * | 2009-06-23 | 2010-12-29 | 深圳市比克电池有限公司 | Battery assembled cap, cylindrical battery with the cap and method for making the same |
| CN102569679A (en) * | 2011-12-30 | 2012-07-11 | 丁振荣 | Battery core, battery and method for sealing and fixing electrode and cap of battery |
| CN202839777U (en) * | 2012-08-31 | 2013-03-27 | 丁振荣 | Battery cell and battery |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104656806A (en) * | 2015-02-12 | 2015-05-27 | 苏州佳世达电通有限公司 | Portable electronic device |
| CN104656806B (en) * | 2015-02-12 | 2018-07-31 | 苏州佳世达电通有限公司 | Portable electronic devices |
| CN113725531A (en) * | 2017-11-03 | 2021-11-30 | 宁德时代新能源科技股份有限公司 | Power battery top cover component, power battery and battery module |
| CN113725531B (en) * | 2017-11-03 | 2023-11-03 | 宁德时代新能源科技股份有限公司 | Top cover assembly of power battery, power battery and battery module |
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Application publication date: 20140326 |