CN202159711U - Cylinder-shaped battery with flexible package - Google Patents
Cylinder-shaped battery with flexible package Download PDFInfo
- Publication number
- CN202159711U CN202159711U CN2011202311083U CN201120231108U CN202159711U CN 202159711 U CN202159711 U CN 202159711U CN 2011202311083 U CN2011202311083 U CN 2011202311083U CN 201120231108 U CN201120231108 U CN 201120231108U CN 202159711 U CN202159711 U CN 202159711U
- Authority
- CN
- China
- Prior art keywords
- lug
- plate
- flexible
- flexible package
- cylindrical
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a cylinder-shaped battery with flexible package, which comprises a flexible package casing, an electrode core and electrolyte, wherein the electrode core and the electrolyte are sealed inside the flexible package casing. The electrode core comprises a positive plate, a negative plate and a membrane arranged between the positive plate and the negative plate, and the positive plate, the negative plate and the membrane are made by winding. Polar ears are fixedly connected with the tail ends of the positive plate and the negative plate in the length direction and extend out from the lateral side of the flexible package casing. The polar ears are fixedly connected with the tail ends of the positive plate and the negative plate in the length direction and extend out from the lateral side of the flexible package casing so as to prevent the polar ears from bending and deforming in vertical direction, and improve safety of batteries after being extruded or collided. The polar ears are easy and accurate to locate, the thickness and width range of the polar ears can be changed flexibly, and charging and discharging performance of big multiplying power is improved.
Description
Technical field
The utility model belongs to field of batteries, relates in particular to a kind of cylindrical flexible-packed battery.
Background technology
Flexible-packed battery is different from the battery with metal shell, because its pole piece is sealed in the flexible package shell, when abnormal conditions appearred in battery, battery bulging and can not produce blast was used safer.And characteristics such as it is flexible to have shaped design, in light weight are widely used in fields such as notebook computer, electronic toy, digital camera, PDA, MP3.
Like Fig. 1; The pole piece 3 of present cylindrical flexible-packed battery ' similar with battery with metal shell; By alternate positive plate 32 ', barrier film 34 ', negative plate 33 ' form through screw winding, lug 31 ' be connected with negative plate, and stretching out from the end face A ' of pole piece with positive plate.The pole piece of this structure, lug 31 ' exist in the vertical flexural deformation, when battery when receiving extraneous extruding or collision, lug 31 ' the edge puncture barrier film easily, cause short circuit.If stick the protection adhesive plaster in the junction of lug and pole piece, can increase the gap between the positive and negative plate again, cause occurring dendrite, equally also can cause the potential safety hazard of short circuit.
In addition, have the battery of high rate charge-discharge performance, adopt a plurality of lugs that have than minimal thickness usually; The lug broad or thicker if this is; Not only can increase the gap between the positive and negative plate, also can cause lug to be difficult for bending, short circuit when causing soldering polar ear.
Summary of the invention
The utility model provides a kind of cylindrical flexible-packed battery with high security and high rate charge-discharge performance for solving the technical problem of the easy short circuit of cylindrical flexible-packed battery.
For achieving the above object; The utility model provides a kind of cylindrical flexible-packed battery; Comprise the flexible package shell and be sealed in pole piece and the electrolyte in the flexible package shell, said pole piece comprises positive plate, negative plate and the barrier film between positive plate and negative plate of reeling and forming; End on the length direction of said positive plate and negative plate is fixedly connected with lug, and said lug stretches out from the side of flexible package shell.
Preferably, also comprise the protective circuit version that is positioned at the flexible package shell outside, said lug is crooked along the coiling direction of pole piece, and the end of lug is electrically connected with the protective circuit plate.
Preferably, be provided with insulating protective layer between said protective circuit plate and the flexible package shell.
Preferably, the protection adhesive plaster is posted in the junction of said lug and positive plate and negative plate.
Preferably, be provided with lug glue in the position that said lug stretches out from the side of flexible package shell.
Preferably, said lug comprises anode ear and negative electrode lug, and said anode ear is fixedly connected with positive plate, and said negative electrode lug is fixedly connected with negative plate, and said anode ear and negative electrode lug all stretch out from the same side of flexible package shell.
Preferably, said lug comprises anode ear and negative electrode lug, and said anode ear is fixedly connected with positive plate, and said negative electrode lug is fixedly connected with negative plate, and said anode ear and negative electrode lug stretch out from the both sides of flexible package shell respectively.
Preferably, said anode ear and the negative electrode lug setting of on the Width of positive plate and negative plate, staggering.
Preferably, the quantity of said anode ear or negative electrode lug is a plurality of.
Preferably, said flexible package shell is provided with two adjacent half-cylindrical pits, and said half-cylindrical pit doubling is closed up the back and formed the cylindrical battery chamber, and said pole piece places battery cavities.
The utlity model has following beneficial effect:
1, lug is fixedly connected on the end on positive plate and the negative plate length direction, and stretches out from the side of flexible package shell, avoided lug to produce flexural deformation in the vertical, improved battery be squeezed or collide after fail safe;
2, the lug location is simple, accurate, and the width of lug and thickness range change flexibly, have improved the high rate charge-discharge performance.
Description of drawings
Fig. 1 is the pole piece sketch map of the cylindrical flexible-packed battery that provides of prior art.
Fig. 2 is the positive plate sketch map of the cylindrical flexible-packed battery of the utility model.
Fig. 3 is the negative plate sketch map of the cylindrical flexible-packed battery of the utility model.
Fig. 4 is the sketch map after positive plate, barrier film, the negative plate of the cylindrical flexible-packed battery of the utility model superposes.
Fig. 5 is the pole piece sketch map of the utility model embodiment one cylindrical flexible-packed battery.
Fig. 6 is the flexible package shell sketch map of the utility model embodiment one cylindrical flexible-packed battery.
Fig. 7 is the sketch map after the pole piece of the utility model embodiment one cylindrical flexible-packed battery is gone into shell.
Fig. 8 is the fluid injection sketch map of the utility model embodiment one cylindrical flexible-packed battery.
Fig. 9 is the finished product sketch map of the utility model embodiment one cylindrical flexible-packed battery.
Figure 10 is the pole piece sketch map of the utility model embodiment two cylindrical flexible-packed batteries.
Figure 11 is the flexible package shell sketch map of the utility model embodiment two cylindrical flexible-packed batteries.
Figure 12 is the finished product sketch map of the utility model embodiment two cylindrical flexible-packed batteries.
Figure 13 is the pole piece sketch map of the utility model embodiment three cylindrical shape flexible-packed battery.
Figure 14 is the finished product sketch map of the utility model embodiment three cylindrical shape flexible-packed battery.
Label among the figure:
Cylindrical flexible-packed battery 1; Flexible package shell 2; Half-cylindrical pit 21; Flat film 22; Pole piece 3; Lug 31; Anode ear 311; Negative electrode lug 312; Protection adhesive plaster 313; Lug glue 314; Positive plate 32; Positive plate blank position 321; Negative plate 33; Negative plate blank position 331; Liquid injection port 35; Protective circuit plate 4; Electrode contacts 41; Insulating protective layer 5; Fluid injection pin 6; The end face A of flexible package shell; The side B of flexible package shell; An end L1 of band lug on the positive plate length direction; On the positive plate length direction not with an end L2 of lug; An end L3 of band lug on the negative plate length direction; On the negative plate length direction not with an end L4 of lug.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with accompanying drawing and embodiment, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
See also Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 7, Fig. 9; The utility model provides a kind of cylindrical flexible-packed battery 1; Comprise flexible package shell 2 and be sealed in pole piece 3 and the electrolyte (not shown) in the flexible package shell 2, said pole piece 3 comprises positive plate 32, negative plate 33 and the barrier film (not shown) between positive plate 32 and negative plate 33 of reeling and forming; End on the length direction of said positive plate and negative plate is fixedly connected with lug 31, and said lug 31 stretches out from the side B of flexible package shell 2.
Consulting the flexible package shell 2 of Fig. 6, Figure 11 the utility model is made up of aluminum-plastic composite membrane; Two adjacent half-cylindrical pits 21 of punching press on aluminum-plastic composite membrane; Be reserved with flat film 22 around the half-cylindrical pit 21; The aluminum-plastic composite membrane doubling is closed up, and half-cylindrical pit 21 forms the cylindrical battery chamber relatively, is used for holding columniform pole piece 3.22 of flat films form air bag, the gas that produces when being used for holding battery and changing into.
Consult Fig. 2; Make positive plate 32; With active material with process anodal polarity slurry after conductive agent, binding agent fully mix by a certain percentage; Be coated to the slurry for preparing on the collector through modes such as roller coat, blade coating or sprayings, the end L1 on the length direction of positive plate 32 reserves blank position.Arrow L representes length direction in scheming among Fig. 2, and arrow W representes Width.The roll-in pole piece makes anodal polar substances combine with collector, cuts out the positive plate 32 of required size then.
Make negative plate 33; With active material with process negative pole polarity slurry after conductive agent, binding agent fully mix by a certain percentage; Be coated to the slurry for preparing on the collector through modes such as roller coat, blade coating or sprayings, reserve blank position at an end L3 of the length direction of negative plate 33.Arrow L representes the length direction of pole piece in scheming among Fig. 3, and arrow W representes the Width of pole piece.The roll-in pole piece makes the negative pole polar substances combine with collector, cuts out the negative plate 33 of required size then.
On negative plate blank position 331, be fixedly connected negative electrode lug 312, and it is parallel with the length direction of negative plate 33 to make negative electrode lug 312 stretch out the direction of negative plate 33.Link position at negative electrode lug 312 and negative plate 33 sticks protection adhesive plaster 313 then.
Here positive plate blank position 321 is with the connection of anode ear 311, and negative plate blank position 331 can be spot welding with the connection of negative electrode lug 312, comprises AC spot-welding or dc spot welding; It also can be ultrasonic bonding; It can also be riveted joint; Or the combination of above connected mode.
The blank position 321 of positive plate can connect with an anode ear 311, also can connect with a plurality of anode ears 311, welds a plurality of lugs and can make battery emit bigger electric current at short notice; Negative plate blank position 331 can connect with a negative electrode lug 312, also can connect with a plurality of negative electrode lugs 312.
Consult Fig. 4, welded lug after, the order according to positive plate 32, barrier film, negative plate 33 is superimposed the three successively, and an end L1 who makes positive plate 32 connect lugs is connected lug with negative plate 33 an end L3 is in the same side.Then from opposite side, the end L2, the L4 that promptly are not connected lug on positive plate 32 and negative plate 33 length directions begin to reel, and are wound up into when last, and lug is positioned at the outermost of pole piece 3, like Fig. 5.
Positive and negative lug 312 can be positioned at the same side (like Fig. 5) of pole piece 3, also can be positioned at two of pole piece 3 and survey (like Figure 10).If will make positive and negative lug 312 be positioned at the same side of pole piece 3, then the Design of length of positive plate 32, negative plate 33 is become equally long and get final product, during coiling, both overlap fully.If will make positive and negative lug 312 be positioned at the not homonymy of pole piece 3, then can change positive plate 32 or negative plate 33 length, make the length of a certain pole piece be different from the length of another pole piece.For example, make the length of the length of positive plate 32 less than negative plate 33, during stack, it is overlapping fully to make positive plate 32 and negative plate 33 not be connected an end L2, the L4 of lug in the longitudinal direction, and the end L1, the L3 that connect lug then stagger in the longitudinal direction.Never the end L2, the L4 that connect lug then begin to reel; And make positive plate 32 be positioned at the outside; Negative plate 33 is in the inboard of positive plate 32, and positive plate 32 is when intact like this, and negative plate 33 also leaves one section; When continuing when finishing negative plate 33, then be positioned at the negative electrode lug 312 of negative plate 33 ends and be positioned at the both sides that positive plate 32 terminal anode ears 311 correspondingly are set to pole piece 3.
Under the preferable case, anode ear 311 should be not overlapping with the position of negative electrode lug 312 on negative plate 33 Width W in the position on the positive plate 32 Width W, and after positive plate 32 and negative plate 33 superposeed, anode ear 311 should stagger with negative electrode lug 312.Like Fig. 4; Anode ear 311 is positioned at the top that positive plate 32 is reserved blank position; Negative electrode lug 312 then is positioned at the below that negative plate 33 is reserved blank position; After positive and negative plate 33 was superimposed and reels like this, anode ear 311 staggered with the position of negative electrode lug 312, avoids occurring the situation of short circuit.Equally, when positive and negative lug 312 respectively during the both sides at pole piece 3, anode ear 311 also should stagger with negative electrode lug 312, like Figure 10.
Consulting Fig. 6-7, pole piece 3 is put into preprepared flexible package shell 2, specifically is one of them the half-cylindrical pit 21 that pole piece 3 is placed flexible package shell 2; Another half-cylindrical pit 21 is closed up in doubling; Form battery cavities, pole piece 3 just is positioned at battery cavities, and lug stretches out from the side of flexible package shell; Stick lug glue 314 in the position that lug 31 stretches out from the side of flexible package shell, play the effect of insulated enclosure.A representes the end face of flexible package shell among Fig. 7, and B representes the side of flexible package shell.The flat film 22 unnecessary to flexible package shell 2 sides carries out heat seal, and the flat film 22 that only stays end face is as liquid injection port 35.Consult Fig. 8, prior art is the side fluid injection from the flexible package shell, and the utility model is to carry out fluid injection through fluid injection pin 6 from the center gap place that liquid injection port 35 is inserted pole piece 3, can accelerate the absorption of electrolyte like this; Can also save the materials of flat film 22; The untimely absorption of electrolyte if this is will temporarily be stored in the air bag of flat film 22 formation, during fluid injection; Electrolyte directly is injected into pole piece 3 inside; Pole piece 3 can faster absorption electrolyte, and the electrolyte that air bag is stored reduces, and flat film 22 materials that therefore form air bag have just reduced.Wherein electrolyte is identical with the employed electrolyte of prior art, as adopting ethylene carbonate (EC), dimethyl carbonate (DMC), reaching methyl ethyl carbonate (EMC), its volume ratio 1: 1: 1.
Consult Fig. 9, the utility model also comprises the protective circuit version that is positioned at flexible package shell 2 outsides, in order to prevent over-charging of battery, to cross and put.Protective circuit plate 4 is positioned near the lug, laterally arranges with the length direction of pole piece.Lug is after the coiling direction bending of pole piece 3; Its end is electrically connected with protective circuit plate 4, and arrow c representes the coiling direction of pole piece 3 among the figure, and promptly positive plate, barrier film, negative plate are wound into pole piece along arrow c; After coiling is accomplished; Also remaining has lug, and lug continues along the direction of arrow c crooked, and the electrode contacts 41 on its end and the protective circuit plate is welded.Crooked along coiling direction, can avoid lug to fracture.Certainly be not limited to this, can also be crooked along coiling direction earlier, and then the edge direction opposite with coiling direction done back-flexing.Be provided with insulating protective layer 5 between circuit board and the flexible package shell 2, can protect flexible package shell 2 not receive the damage of circuit board.
The process of the cylindrical flexible-packed battery 1 of preparation the utility model is following:
(1) at first utilizes traditional method to process positive plate 32, negative plate 33, on positive plate 32 and negative plate 33, reserve blank position according to the method described above;
(2) on the reservation blank position of positive plate 32 and negative plate 33, be fixedly connected anode ear 311 and negative electrode lug 312;
(3) after the positive and negative plate 33 that is connected with lug is ready to, superpose according to the order of positive plate 32, barrier film, negative plate 33 together, and utilizes and roll up pin and be wound into columniform pole piece 3 with the barrier film of getting ready;
(4) pole piece 3 detects and is placed in the half-cylindrical pit 21 of the good aluminum-plastic composite membrane of prior punching press after short circuit finishes, and aluminum-plastic composite membrane is closed up in doubling.The use heat seal is sealed the side of flexible package shell, and the end face that stays the flexible package shell is as liquid injection port 35;
(5) fluid injection pin 6 carries out fluid injection through the center gap place of liquid injection port 35 insertion pole pieces 3;
(6) with the battery after the fluid injection through seal, charge, vacuumize, technology such as cutting edge, protective circuit plate 4 is set in the battery side again, crooked lug terminally is electrically connected it with protective circuit plate 4.And then outside the flexible package shell, put shell or carry out the low-pressure low-temperature injection moulding, the cylindrical flexible-packed battery 1 of formation rule.
The cylindrical flexible-packed battery of the utility model is described through embodiment below.
Embodiment one:
Consult Fig. 5-9, be the utility model first embodiment.The anode ear 311 and the negative electrode lug 312 of present embodiment all stretch out from the same side of flexible package shell.The adjacent diametrically setting of the half-cylindrical pit 21 of flexible package shell 2, pole piece 3 is placed in one of them semicircular recess, and lug is outside; Another semicircular recess is closed up in doubling; Form battery cavities, pole piece 3 is positioned at battery cavities, and positive and negative lug 312 stretches out from the side of flexible package shell 2.Lug is welded on the protective circuit plate 4 after the coiling direction bending.
Embodiment two:
Consult Figure 10-12 again; Be the utility model second embodiment, the present embodiment and first embodiment are roughly the same, and difference is that anode ear and negative electrode lug stretch out from the both sides of flexible package shell respectively; The mode that reaches this effect repeats no more at this in above-mentioned detailed description.Because the both sides of flexible package shell all are extended with lug; Therefore the half-cylindrical pit 21 of flexible package shell 2 should adjacent in the axial direction setting; Pole piece 3 is placed in one of them half-cylindrical pit 21, and another half-cylindrical pit 21 is closed up in doubling, forms battery cavities; Pole piece 3 is positioned at battery cavities, and positive and negative lug stretches out from the both sides of flexible package shell respectively.When connecting protective circuit plate 4, anode ear 311 is welded on the protective circuit plate 4 after the coiling direction bending, and negative electrode lug 312 is crooked along coiling direction earlier, and then is welded on the protective circuit plate 4 after doing back-flexing.
Embodiment three:
Consult Figure 13-14 again, be the utility model the 3rd embodiment, the present embodiment and second embodiment are roughly the same, and difference is that positive plate 32 is welded with two anode ears 311, and negative plate 33 is welded with two negative electrode lugs 312.When connecting protective circuit plate 4, two anode ears 311 are welded on the protective circuit plate 4 after the coiling direction bending, and two negative electrode lugs 312 are crooked along coiling direction earlier, and then are welded on the protective circuit plate 4 after doing back-flexing.
The cylindrical flexible-packed battery of the utility model stretches out from the side of flexible package shell owing to lug; Rather than stretch out from the end face of flexible package shell; Therefore avoided lug flexural deformation in the vertical,, the potential safety hazard of short circuit also can not occur even battery is squeezed or collides; And the lug location is simple, and accurately, the width of lug and thickness range change flexibly, have improved the high rate charge-discharge performance.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection range of the utility model.
Claims (10)
1. a cylindrical flexible-packed battery comprises flexible package shell (2) and is sealed in pole piece (3) and the electrolyte in the flexible package shell, and said pole piece comprises positive plate (32), negative plate (33) and the barrier film between positive plate and negative plate of reeling and forming; It is characterized in that: the end on the length direction of said positive plate and negative plate is fixedly connected with lug (31), and said lug stretches out from the side (B) of flexible package shell.
2. cylindrical flexible-packed battery as claimed in claim 1 is characterized in that: also comprise the protective circuit version (4) that is positioned at the flexible package shell outside, said lug (31) is crooked along the coiling direction of pole piece, and the end of lug is electrically connected with the protective circuit plate.
3. cylindrical flexible-packed battery as claimed in claim 2 is characterized in that: be provided with insulating protective layer (5) between said protective circuit plate (4) and the flexible package shell (2).
4. cylindrical flexible-packed battery as claimed in claim 1 is characterized in that: said lug (31) posts protection adhesive plaster (313) with the junction of positive plate (32) and negative plate (33).
5. cylindrical flexible-packed battery as claimed in claim 1 is characterized in that: the position of stretching out from the side (B) of flexible package shell at said lug (32) is provided with lug glue (314).
6. cylindrical flexible-packed battery as claimed in claim 1; It is characterized in that: said lug (31) comprises anode ear (311) and negative electrode lug (312); Said anode ear (311) is fixedly connected with positive plate (32); Said negative electrode lug (312) is fixedly connected with negative plate (33), and said anode ear and negative electrode lug all stretch out from the same side of flexible package shell.
7. cylindrical flexible-packed battery as claimed in claim 1; It is characterized in that: said lug (31) comprises anode ear (311) and negative electrode lug (312); Said anode ear (311) is fixedly connected with positive plate (32); Said negative electrode lug (312) is fixedly connected with negative plate (33), and said anode ear and negative electrode lug stretch out from the both sides of flexible package shell respectively.
8. like claim 6 or 7 described cylindrical flexible-packed batteries, it is characterized in that: the setting of on the Width of positive plate (32) and negative plate (33), staggering of said anode ear (311) and negative electrode lug (312).
9. like claim 6 or 7 described cylindrical flexible-packed batteries, it is characterized in that: the quantity of said anode ear (311) or negative electrode lug (312) is a plurality of.
10. cylindrical flexible-packed battery as claimed in claim 1; It is characterized in that: said flexible package shell (2) is provided with two adjacent half-cylindrical pits (21); Said half-cylindrical pit (21) doubling is closed up the back and is formed the cylindrical battery chamber, and said pole piece (3) places battery cavities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202311083U CN202159711U (en) | 2011-06-30 | 2011-06-30 | Cylinder-shaped battery with flexible package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202311083U CN202159711U (en) | 2011-06-30 | 2011-06-30 | Cylinder-shaped battery with flexible package |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202159711U true CN202159711U (en) | 2012-03-07 |
Family
ID=45767336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202311083U Expired - Lifetime CN202159711U (en) | 2011-06-30 | 2011-06-30 | Cylinder-shaped battery with flexible package |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202159711U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108496268A (en) * | 2016-01-06 | 2018-09-04 | 株式会社村田制作所 | Battery and its manufacturing method, assembled battery and electronic equipment |
| CN108682755A (en) * | 2018-05-09 | 2018-10-19 | 广东弘捷新能源有限公司 | Button cell and its manufacturing method |
| CN111370619A (en) * | 2020-04-17 | 2020-07-03 | 福建南平延平区南孚新能源科技有限公司 | Rechargeable button cell |
| CN114171857A (en) * | 2021-12-08 | 2022-03-11 | 珠海冠宇电池股份有限公司 | Battery tab and lithium ion battery |
-
2011
- 2011-06-30 CN CN2011202311083U patent/CN202159711U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108496268A (en) * | 2016-01-06 | 2018-09-04 | 株式会社村田制作所 | Battery and its manufacturing method, assembled battery and electronic equipment |
| CN108682755A (en) * | 2018-05-09 | 2018-10-19 | 广东弘捷新能源有限公司 | Button cell and its manufacturing method |
| CN111370619A (en) * | 2020-04-17 | 2020-07-03 | 福建南平延平区南孚新能源科技有限公司 | Rechargeable button cell |
| CN111370619B (en) * | 2020-04-17 | 2021-01-19 | 福建南平延平区南孚新能源科技有限公司 | Rechargeable button cell |
| CN114171857A (en) * | 2021-12-08 | 2022-03-11 | 珠海冠宇电池股份有限公司 | Battery tab and lithium ion battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101165287B1 (en) | A soft packaged and high capacity lithium ion battery and the manufacture method of the same | |
| JP4565810B2 (en) | Laminated battery | |
| CN103579666B (en) | A kind of low internal resistance compound lithium ion battery core and manufacture craft thereof | |
| CN101714624A (en) | Spiral-line multi-pole lug lithium ion battery and method for manufacturing same | |
| CN2909544Y (en) | Winding lithium battery electro-chip structure | |
| CN209880750U (en) | Winding type battery cell and lithium ion battery | |
| CN100547848C (en) | Winding type soft package lithium ion battery and preparation method thereof | |
| CN103413975A (en) | Lithium nickel cobalt manganate cylindrical high-rate battery and preparation method thereof | |
| CN101593849A (en) | A kind of lithium battery and manufacture method thereof | |
| CN205028971U (en) | Cylinder type soft package lithium -ion battery | |
| CN103035954A (en) | Winding lithium ion battery and fabrication method thereof | |
| CN202159711U (en) | Cylinder-shaped battery with flexible package | |
| CN203085704U (en) | Lithium ion battery | |
| CN206225477U (en) | A kind of flexible battery | |
| CN107546421B (en) | Winding type battery cell | |
| CN107171028A (en) | A kind of takeup type battery core and battery | |
| CN106848385A (en) | A kind of power soft bag lithium ionic cell of multireel cored structure | |
| CN202231088U (en) | Lithium ion battery core and polar lug | |
| CN102306735A (en) | Lithium ion electrical core and lug | |
| CN107546404B (en) | Winding type battery cell | |
| JP4443178B2 (en) | Laminate battery manufacturing method and laminate battery manufacturing mold | |
| CN102044706A (en) | Method for preparing flexible packaging cylindrical lithium battery | |
| CN109802187A (en) | A kind of coiled battery | |
| CN203787498U (en) | Electrode lug connecting structure of battery pack | |
| JP2010205420A (en) | Laminated battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120307 |