CN105280959A - Battery - Google Patents
Battery Download PDFInfo
- Publication number
- CN105280959A CN105280959A CN201410351458.1A CN201410351458A CN105280959A CN 105280959 A CN105280959 A CN 105280959A CN 201410351458 A CN201410351458 A CN 201410351458A CN 105280959 A CN105280959 A CN 105280959A
- Authority
- CN
- China
- Prior art keywords
- adhesive tape
- core body
- terminal adhesive
- battery
- anode ear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
-
- 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
Abstract
The invention relates to a battery. The battery comprises a battery winding core, a side stop adhesive tape, a bottom stop adhesive tape and an upper stop adhesive tape, wherein the battery winding core comprises a winding core body, a negative tab and a positive tab; the winding core body is provided with a tab sealing end and a bottom end which are opposite to each other; the side stop adhesive tape winds and wraps the side surface of the winding core body, and a gap is formed on the winding core body; the bottom stop adhesive tape wraps the bottom end of the winding core body; and the upper stop adhesive tape wraps the tab sealing end and covers a part of the gap. In the battery, the side stop adhesive tape wraps the side surface of the winding core body and the gap is formed, so that a diaphragm outside the winding core body is prevented from being scraped when assembled into a shell; meanwhile, a part of the upper stop adhesive tape can be ensured to be arranged between the positive tab and the winding core body so as to prevent the diaphragm outside the winding core body from being scrapped due to the swinging of the positive tab; moreover, the bottom stop adhesive tape covers a part of the positive tab so as to prevent the diaphragm outside the winding core body from being scraped due to the swinging of the positive tab; and the above battery is relatively high in safety performance.
Description
Technical field
The present invention relates to a kind of cell art, particularly relate to a kind of battery.
Background technology
Lithium ion battery is a kind of secondary cell, i.e. rechargeable battery, it mainly rely on lithium ion between a positive electrode and a negative electrode movement carry out work.In charge and discharge process, lithium ion comes and goes between two electrodes and embeds and deintercalation.During charging, lithium ion is from positive pole deintercalation, and embed negative pole through electrolyte, negative pole is in rich lithium state.During electric discharge, the motion process of lithium ion is then contrary with charging.Battery generally adopts material containing elemental lithium as positive pole, and negative pole then adopts the material containing carbon.Lithium ion battery is the representative of modern high performance battery, is widely used in various digital electric series products.
Lithium ion battery is generally divided into lithium ion battery with hard shell and flexible packing lithium ion battery.Lithium ion battery with hard shell adopts duricrust to pack battery core, and flexible packing lithium ion battery then adopts flexible material, and such as aluminum plastic film is packed battery core.
But existing lithium ion battery with hard shell is when encapsulating, and when namely core loads in duricrust, the barrier film of core outer surface is very easily scratched by duricrust.If the core of breakage is made lithium ion battery with hard shell, the position that core is scratching easily causes internal short-circuit, lithium ion battery with hard shell self discharge can be caused, the even potential safety hazard such as blast, greatly threaten the personal safety of user, these drawbacks also may just occur after long-term use, cause pinpointing the problems by Site Detection.
In addition, existing lithium ion battery with hard shell is when encapsulating, and the swing of lug easily causes the barrier film of core outer surface to be scratched by lug too.
Summary of the invention
Based on this, be necessary the battery providing a kind of security performance higher, other technologies scheme of the present invention can also solve injects the technical problem that electrolyte is more convenient, battery capacity is higher, lug is more smooth.
A kind of battery, comprising:
Battery roll core, described battery roll core comprises the core body of flat, negative electrode lug and anode ear, described core body has relative lug sealing end and bottom, described negative electrode lug part is arranged in described core body, it is outside that part is placed on described lug sealing end, and described anode ear is arranged on the side of described core body;
Side terminal adhesive tape, the side of core body described in the terminal adhesive tape voluble wrapping of described side, and form breach in the junction that described core body is positioned at described anode ear and described core body;
Bottom terminal adhesive tape, the described bottom of the coated described core body of described bottom terminal adhesive tape, and anode ear described in cover part; And
Top terminal adhesive tape, the described lug sealing end of at least part of coated described core body of described top terminal adhesive tape, and described top terminal adhesive tape is covered to breach described in small part, to make part described top terminal adhesive tape between described anode ear and described core body.
In one of them embodiment, described anode ear comprises head, weld part and afterbody, and described weld part is welded on the side of described core body.
In one of them embodiment, described bottom terminal adhesive tape covers the described afterbody of described anode ear.
In one of them embodiment, part described top terminal adhesive tape is between the described head and described core body of described anode ear.
In one of them embodiment, described bottom terminal adhesive tape forms chamfered corners at the side edge bending of described core body.
In one of them embodiment, also comprise spacer ring, described spacer ring is arranged on the end face of described lug sealing end, described spacer ring offers through hole and liquid injection hole, and described negative electrode lug wears described through hole.
In one of them embodiment, described through hole is bar shaped elongated hole.
In one of them embodiment, also comprise housing, described battery roll core, described side terminal adhesive tape, described bottom terminal adhesive tape and described top terminal adhesive tape are placed in described housing.
In one of them embodiment, described housing arranges a cover plate, described negative electrode lug is placed on the described part of lug sealing end outside, the described head of described anode ear welds described cover plate respectively negative pole end, positive terminal.
In one of them embodiment, the madial wall of described housing is provided with the mounting bar that two bearing of trends are identical, two described mounting bars surround mounting groove, and described anode ear is placed in described mounting groove.
Above-mentioned battery is by arranging the side of the coated core body of side terminal adhesive tape and forming breach, scratched by housing when loading housing to prevent the barrier film outside core body, simultaneously, can also guarantee to make part top terminal adhesive tape between anode ear and core body, the barrier film scratched outside core body is swung to prevent anode ear, and terminal adhesive tape cover part, bottom anode ear, the barrier film scratched outside core body is swung to prevent anode ear, like this, can avoid due to core body membrane damaged part and cause internal short-circuit of battery, self discharge, the even problem of the potential safety hazard such as blast, and then make the security performance of battery higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of the battery of an embodiment of the present invention;
Fig. 2 is the structural representation of another state of the battery shown in Fig. 1;
The decomposition texture schematic diagram that Fig. 3 is the battery shown in Fig. 1;
Fig. 4 is the battery roll core shown in Fig. 3, the structural representation at another visual angle of side terminal adhesive tape, bottom terminal adhesive tape and top terminal adhesive tape;
Fig. 5 is the structural representation of another execution mode of bottom of the present invention terminal adhesive tape;
The structural representation that Fig. 6 is the battery roll core shown in Fig. 3 and spacer ring.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.Set forth a lot of detail in the following description so that fully understand the present invention.But the present invention can be much different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar improvement when intension of the present invention, therefore the present invention is by the restriction of following public concrete enforcement.
Refer to Fig. 1 and Fig. 3, battery 10 comprises battery roll core 100, side terminal adhesive tape 200, bottom terminal adhesive tape 300, top terminal adhesive tape 400, spacer ring 500 and housing 600.Side terminal adhesive tape 200, bottom terminal adhesive tape 300 and top terminal adhesive tape 400 are arranged on battery roll core 100.Battery roll core 100, side terminal adhesive tape 200, bottom terminal adhesive tape 300, top terminal adhesive tape 400 and spacer ring 500 are all placed in housing 600.
Refer to Fig. 3, battery roll core 100 comprise flat core body 110, be arranged at negative electrode lug 120 on core body 110 and anode ear 130.Such as, negative electrode lug 120 is nickel lug, and anode ear 130 is aluminium pole ears.
Core body 110 has relative lug sealing end 111 and bottom 112.Such as, core body 110 forms core body 110 and two arc-shaped side edges of flat after winding process.
Negative electrode lug 120 part is arranged in core body 110, and part is placed on lug sealing end 111 outside.Negative electrode lug 120 part is arranged in core body 110, in follow-up welding procedure, can being more conducive to the location of negative electrode lug 120 when welding, being also conducive to the location of anode ear 130 when welding simultaneously.Such as, negative electrode lug 120 outer surface part arranges dielectric film 121, scratch the barrier film (not shown) in core body 110 when can also prevent negative electrode lug 120 from swinging, and then avoid core body 110 and occur internal short-circuit phenomenon at breakage, security performance is higher.And for example, the thickness of dielectric film 121 is 15 μm ~ 20 μm, now, scratches the barrier film in core body 110 when both can prevent negative electrode lug 120 from swinging, and meanwhile, can also avoid the blocked up problem that the battery capacity of battery 10 is reduced of thickness because of dielectric film 121.
Anode ear 130 is arranged on the side of core body 110.Such as, refer to Fig. 3, anode ear 130 comprises the head 131, weld part 133 and the afterbody 134 that connect successively, such as, refers to Fig. 3, and anode ear 130 comprises the head 131, kink 132, weld part 133 and the afterbody 134 that connect successively.Head 131 is placed on outside lug sealing end 111, and parallels with negative electrode lug 120.Weld part 133 is welded on the side of core body 110 by ultra-sonic welding techniques.
Refer to Fig. 2, the side of the coated core body 110 of side terminal adhesive tape 200, and be positioned at anode ear 130 at core body 110 and form breach 113 with the junction of core body 110.That is, breach 113 is the region of the not coated covering of core body 110 upper side terminal adhesive tape 200, and anode ear 130 is arranged in above-mentioned zone.
In order to avoid battery roll core 100 loads in the process in housing 600, there is the problem that core body 110 is scratched by housing 600, such as, as shown in Figures 2 and 4, the width of side terminal adhesive tape 200 equals the length of core body 110, like this, two sides of the complete coated core body 110 of side terminal adhesive tape 200 can be made, in the process loaded in housing 600 to avoid core body 110, there is the problem that core body 110 is scratched by housing 600, and then avoid core body 110 and occur internal short-circuit phenomenon at breakage, security performance is higher.
The breach 113 exposed in order to avoid core body 110 is scratched in the process that core body 110 loads in housing 600, such as, as shown in Figure 4, the length of side terminal adhesive tape 200 equals the length that girth that core body 110 1 encloses deducts anode ear 130 exposed area, like this, the breach 113 that core body 110 can be avoided to expose is scratched in the process that core body 110 loads in housing 600, and then avoid core body 110 and occur internal short-circuit phenomenon at breakage, security performance is higher.
In order to improve the energy density of battery 10 entirety, such as, the thickness of core body 110 is 15 μm ~ 20 μm, now, both can prevent the barrier film of core body 110 outer surface from being scratched.Meanwhile, can also improve the energy density of battery 10 entirety, namely the battery capacity of battery 10 is larger.
Doing over again for the ease of defective products, such as, side terminal adhesive tape 200 arranges adhered layer on core body 110, such as, its peel strength is 45N/100m ~ 50N/100m, now, the adhesive force of side terminal adhesive tape 200 on core body 110 is moderate, side terminal adhesive tape 200 in manufacturing process can be avoided to depart from from core body 110, simultaneously, in defective products process of rework, also easier side terminal adhesive tape 200 to be peeled off from core body 110, and glue trace can not be left on core body 110.
For the ease of obtaining the production information of battery 10, such as, at side terminal adhesive tape 200, mark layer is set, it is printed on the marks such as some digital numbers, so that the information such as the production board of differentiation battery 10 and streamline, so that obtain the production information of battery 10, review the information that battery 10 entirety produces line.
Please refer to Fig. 3 and Fig. 4, the bottom 112 of the coated core body 110 of bottom terminal adhesive tape 300, and cover part anode ear 130, to strengthen the fail safe of battery 10.
In order to improve the security performance of battery 10 further, such as, as shown in Figure 4, bottom terminal adhesive tape 300 hides the afterbody 134 of anode ear 130, like this, can prevent the afterbody 134 of anode ear 130 from swinging on core body 110, thus avoid core body 110 and scratched by the afterbody 134 of anode ear 130, and then avoid core body 110 and occur internal short-circuit phenomenon at breakage, security performance is higher.
In order to improve the battery capacity of battery 10, such as, please refer to Fig. 3 and Fig. 5, it is the structural representation of another execution mode of bottom terminal adhesive tape 300a of the present invention, bottom terminal adhesive tape 300a forms chamfered corners 310a, the i.e. side of chamfered corners 310a coated core body 110a at the side edge bending of core body 110a, like this, can optimize and reduce bottom terminal adhesive tape 300a space shared in housing 600, and then improve the battery capacity of battery 10.
In order to improve the energy density of battery 10, such as, the thickness of bottom terminal adhesive tape 300 is 25 μm ~ 30 μm, to make the thickness of bottom terminal adhesive tape 300 moderate, thus greatly can promote the energy density of battery.
In order to better bottom terminal adhesive tape 300 be loaded housing 600, such as, the surface of bottom terminal adhesive tape 300 arranges antistatic backing (not shown), thus when bottom terminal adhesive tape 300 can be made to load housing 600, the frictional force that bottom terminal adhesive tape 300 is subject to is less, so that load housing 600.
Refer to Fig. 2, the lug sealing end 111 of at least part of coated core body 110 of top terminal adhesive tape 400, top terminal adhesive tape 400 is cover part breach 113 at least, to make part top terminal adhesive tape 400 between anode ear 130 and core body 110.
The side of the coated core body 110 of above-mentioned side terminal adhesive tape 200, and be positioned at anode ear 130 at core body 110 and form breach 113 with the junction of core body 110, its role is to, can guarantee that two sides of core body 110 are all covered by side terminal adhesive tape 200 on the one hand.On the other hand, can also guarantee to make part top terminal adhesive tape 400 between anode ear 130 and core body 110, that is, arranging breach 113 can prevent side terminal adhesive tape 200 from covering anode ear 130, thus can make part top terminal adhesive tape 400 between anode ear 130 and core body 110.Like this, can prevent anode ear 130 from swinging the barrier film scratched outside core body 110, to improve the security performance of battery 10.Meanwhile, due to the restriction of top terminal adhesive tape 400, also make anode ear 130 in the process loading housing 600, can more smooth state be kept.
Such as, please refer to Fig. 2, part top terminal adhesive tape 400 between the head 131 and core body 110 of anode ear 130, and makes anode ear 130 form kink 132 at weld part 133 and the junction of top terminal adhesive tape 400
In order to improve the energy density of battery 10, such as, the length of top terminal adhesive tape 400 is the distance of widthwise edges to negative electrode lug 120 of core body 110, and for example, the thickness of top terminal adhesive tape 400 is 15 μm ~ 20 μm, thus make the thickness of top terminal adhesive tape 400 moderate, greatly can promote the energy density of battery 10.
Please refer to Fig. 3, spacer ring 500 is arranged on the end face of lug sealing end 111 of core body 110, and between core body 110 and top terminal adhesive tape 400.Refer to Fig. 6, spacer ring 500 offers through hole 510 and liquid injection hole 520.
Negative electrode lug 120 wears through hole 510, outside to make negative electrode lug 120 part be placed on lug sealing end 111.Such as, through hole 510 is bar shaped elongated hole, like this, can improve through hole 510 more with the suitability of negative electrode lug 120, in addition, the madial wall of through hole 510 can also reduce the swing degree of negative electrode lug 120 in the process loading housing 600, thus can keep more smooth state, to make the longer service life of battery of a specified duration.
Such as, spacer ring 500 is greater than the thickness of spacer ring 500 in the position of liquid injection hole 520 at the thickness of the position of through hole 510, can reduce the swing degree of negative electrode lug 120 in the process loading housing 600 so further.And for example, spacer ring 500 is in the position extension (not shown) of through hole 510, and described extension is arranged around described negative electrode lug, like this, further can reduce the swing degree of negative electrode lug 120 in the process loading housing 600.And for example, described extension is widening setting near described negative electrode lug place.
In order to lug sealing end 111 place making spacer ring 500 be fixed on core body 110 better, be subjected to displacement to prevent spacer ring 500 and drive negative electrode lug 120 to swing.Such as, spacer ring 500 arranges several fin (not shown) away from the side of lug sealing end 111, to support spacer ring 500, thus make spacer ring 500 be fixed on lug sealing end 111 place of core body 110 better, be subjected to displacement to prevent spacer ring 500 and drive negative electrode lug 120 to swing.
Spacer ring 500 offers liquid injection hole 520, like this, the operation of injecting electrolyte can be made more simple to operation.
Refer to Fig. 3, housing 600 set battery core 100, side terminal adhesive tape 200, bottom terminal adhesive tape 300, top terminal adhesive tape 400 and spacer ring 500.
Such as, please refer to Fig. 1 and Fig. 3, housing 600 arranges a cover plate 610, cover plate 610 arranges negative pole welding groove (not shown) and positive pole welding groove (not shown) near the side of core body 110, described negative electrode lug inserts and is welded in described negative pole welding groove and forms negative pole end 611, and described anode ear inserts and is welded in positive pole welding groove and forms positive terminal 612.
In order to fix anode ear 130 better, to reduce the swing degree of anode ear 130 in the process loading housing 600.Such as, the madial wall of described housing is provided with the mounting bar (not shown) that two bearing of trends are identical, two described mounting bars surround mounting groove, and described anode ear is placed in described mounting groove.Like this, anode ear 130 can be fixed better, to reduce the swing degree of anode ear 130 in the process loading housing 600.
Above-mentioned battery 10 is by arranging the side of the coated core body 110 of side terminal adhesive tape 200 and forming breach 113, scratched by housing 600 when loading housing 600 to prevent the barrier film outside core body 110, simultaneously, can also guarantee to make part top terminal adhesive tape 400 between anode ear 130 and core body 110, the barrier film scratched outside core body 110 is swung to prevent anode ear 130, and bottom terminal adhesive tape 300 cover part anode ear 130, the barrier film scratched outside core body 110 is swung to prevent anode ear 130, like this, can avoid due to core body 110 barrier film damaged part and cause battery 10 internal short-circuit, self discharge, the even problem of the potential safety hazard such as blast, and then make the security performance of battery 10 higher.
Such as, the preparation method of the battery of an execution mode comprises the steps:
S110: by being welded with the positive plate of aluminium pole ears, the negative plate being welded with nickel lug, barrier film, by winding apparatus, after winding, obtains core body.
S120: side terminal adhesive tape is wound around and coated core body, and is positioned at aluminium pole ears position at core body and forms a breach, be convenient to the stickup of top terminal adhesive tape.
S130: non-for aluminium pole ears welding region is pushed aside outside core body, then posts top terminal adhesive tape, rub about preventing aluminium pole ears, cut the barrier film of core body edges.
S140: when pasting top terminal adhesive tape, simultaneously fix the spacer ring at the lug sealing end place of core body, to protect the insulation between core body upper part cross section and cover plate lower surface.
S150: when pasting the bottom terminal adhesive tape of core body bottom, first paste weld has the one side of aluminium pole ears, bottom terminal adhesive tape needs aluminium coating lug certain length, then bottom terminal adhesive tape is pasted the another side of core body, simultaneously by the exposed bottom portion terminal adhesive tape of core body two sides respectively overlap be adjacent to.
S160: by the core body wrapped, be tucked in the housing of respective model by predetermined automatic equipment, the core body wrapped all posts terminal adhesive tape because of outer surface, can prevent from scratching phenomenon into shell.
S170: aluminium, nickel lug are aimed at cover plate positive and negative electrode welding groove respectively, and by ultra-sonic welding techniques welding of aluminum lug, resistance welding techniques welding nickel lug.
S180: clamping cover plate, by laser welding technology, completes welding of gap between cover plate with housing, obtains battery.
It should be noted that, other embodiments of the present invention also comprise, technical characteristic in the various embodiments described above be combined with each other battery that is formed, that can implement, like this, can realize security performance higher, inject the technique effect that electrolyte is more convenient, battery capacity is higher, lug is more smooth.
The above execution mode only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a battery, is characterized in that, comprising:
Battery roll core, described battery roll core comprises the core body of flat, negative electrode lug and anode ear, described core body has relative lug sealing end and bottom, described negative electrode lug part is arranged in described core body, it is outside that part is placed on described lug sealing end, and described anode ear is arranged on the side of described core body;
Side terminal adhesive tape, the side of core body described in the terminal adhesive tape voluble wrapping of described side, and form breach in the junction that described core body is positioned at described anode ear and described core body;
Bottom terminal adhesive tape, the described bottom of the coated described core body of described bottom terminal adhesive tape, and anode ear described in cover part; And
Top terminal adhesive tape, the described lug sealing end of at least part of coated described core body of described top terminal adhesive tape, and described top terminal adhesive tape is covered to breach described in small part, to make part described top terminal adhesive tape between described anode ear and described core body.
2. battery according to claim 1, is characterized in that, described anode ear comprises head, weld part and afterbody, and described weld part is welded on the side of described core body.
3. battery according to claim 2, is characterized in that, described bottom terminal adhesive tape covers the described afterbody of described anode ear.
4. battery according to claim 2, is characterized in that, part described top terminal adhesive tape is between the described head and described core body of described anode ear.
5. battery according to claim 1, is characterized in that, described bottom terminal adhesive tape forms chamfered corners at the side edge bending of described core body.
6. battery according to claim 1, is characterized in that, also comprises spacer ring, and described spacer ring is arranged on the end face of described lug sealing end, described spacer ring offers through hole and liquid injection hole, and described negative electrode lug wears described through hole.
7. battery according to claim 6, is characterized in that, described through hole is bar shaped elongated hole.
8., according to the arbitrary described battery of claim 1 to 7, it is characterized in that, also comprise housing, described battery roll core, described side terminal adhesive tape, described bottom terminal adhesive tape and described top terminal adhesive tape are placed in described housing.
9. battery according to claim 8, is characterized in that, described housing arranges a cover plate, described negative electrode lug is placed on the described part of lug sealing end outside, the described head of described anode ear welds described cover plate respectively negative pole end, positive terminal.
10. battery according to claim 9, is characterized in that, the madial wall of described housing is provided with the mounting bar that two bearing of trends are identical, and two described mounting bars surround mounting groove, and described anode ear is placed in described mounting groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410351458.1A CN105280959A (en) | 2014-07-22 | 2014-07-22 | Battery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410351458.1A CN105280959A (en) | 2014-07-22 | 2014-07-22 | Battery |
Publications (1)
Publication Number | Publication Date |
---|---|
CN105280959A true CN105280959A (en) | 2016-01-27 |
Family
ID=55149574
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410351458.1A Pending CN105280959A (en) | 2014-07-22 | 2014-07-22 | Battery |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105280959A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108807829A (en) * | 2014-11-10 | 2018-11-13 | 东莞新能源科技有限公司 | Battery core and electrochemical appliance |
CN111209989A (en) * | 2020-01-21 | 2020-05-29 | 合肥国轩高科动力能源有限公司 | Method for tracing information of battery cell of cylindrical lithium ion battery |
CN111584815A (en) * | 2019-02-18 | 2020-08-25 | 三洋电机株式会社 | Secondary battery |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005183242A (en) * | 2003-12-22 | 2005-07-07 | Sanyo Electric Co Ltd | Thin type battery pack |
CN2793940Y (en) * | 2005-04-08 | 2006-07-05 | 深圳市比克电池有限公司 | Secondary lithium battery core and battery thereof |
CN2836251Y (en) * | 2005-05-27 | 2006-11-08 | 深圳市比克电池有限公司 | Lithium ion battery core and battery |
CN2914349Y (en) * | 2005-12-30 | 2007-06-20 | 比亚迪股份有限公司 | Secondary battery |
CN201946704U (en) * | 2010-11-30 | 2011-08-24 | 上海比亚迪有限公司 | Pole core of lithium ion battery and lithium ion battery |
-
2014
- 2014-07-22 CN CN201410351458.1A patent/CN105280959A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005183242A (en) * | 2003-12-22 | 2005-07-07 | Sanyo Electric Co Ltd | Thin type battery pack |
CN2793940Y (en) * | 2005-04-08 | 2006-07-05 | 深圳市比克电池有限公司 | Secondary lithium battery core and battery thereof |
CN2836251Y (en) * | 2005-05-27 | 2006-11-08 | 深圳市比克电池有限公司 | Lithium ion battery core and battery |
CN2914349Y (en) * | 2005-12-30 | 2007-06-20 | 比亚迪股份有限公司 | Secondary battery |
CN201946704U (en) * | 2010-11-30 | 2011-08-24 | 上海比亚迪有限公司 | Pole core of lithium ion battery and lithium ion battery |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108807829A (en) * | 2014-11-10 | 2018-11-13 | 东莞新能源科技有限公司 | Battery core and electrochemical appliance |
CN111584815A (en) * | 2019-02-18 | 2020-08-25 | 三洋电机株式会社 | Secondary battery |
CN111209989A (en) * | 2020-01-21 | 2020-05-29 | 合肥国轩高科动力能源有限公司 | Method for tracing information of battery cell of cylindrical lithium ion battery |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN203150666U (en) | Reference electrode of novel lithium ion battery | |
JP2006040878A (en) | Lithium ion secondary battery | |
CN109980230A (en) | Takeup type battery core and electrochemical appliance | |
US10249909B2 (en) | Nonaqueous electrolyte secondary battery and method for manufacturing the same | |
CN103413975A (en) | Lithium nickel cobalt manganate cylindrical high-rate battery and preparation method thereof | |
CN102683634A (en) | High-capacity cylindrical lithium ion cell and production method thereof | |
CN203800133U (en) | Winding cell and electrochemical device | |
CN101599539B (en) | Exterior member for battery element and non-aqueous electrolyte secondary battery using the same | |
CN103035954A (en) | Winding lithium ion battery and fabrication method thereof | |
CN205810932U (en) | There is the lithium ion battery of spiral helicine winding arrangement | |
WO2018196300A1 (en) | Processing process and device of lithium battery separator | |
JPWO2018079817A1 (en) | Electrode for electrochemical device, electrochemical device, and production method thereof | |
CN106898823A (en) | A kind of preparation method of water storage type flexible packing lithium ion electric core and battery | |
CN202094228U (en) | Flexible package lithium ion battery with bump recovery device | |
JP2022537227A (en) | Electrode assembly and battery | |
CN105280959A (en) | Battery | |
CN203085704U (en) | Lithium ion battery | |
CN210744082U (en) | Winding battery cell and lithium ion battery | |
CN202549997U (en) | High-capacity cylindrical lithium ion battery | |
CN202134604U (en) | Cell of lithium battery with flexible package and lithium battery with flexible package | |
JP5187729B2 (en) | Sealed battery | |
CN102332552A (en) | Lug, rolled lithium ion cell and soft-package rolled lithium ion battery | |
JP2010108608A (en) | Nonaqueous electrolyte secondary battery | |
CN206340623U (en) | Battery roll core, lithium battery and terminal | |
KR102105541B1 (en) | Taping Apparatus for Preventing Crack of Electrode |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160127 |
|
RJ01 | Rejection of invention patent application after publication |