CN204834764U - Cylindrical high magnification lithium ion battery of edge weld - Google Patents
Cylindrical high magnification lithium ion battery of edge weld Download PDFInfo
- Publication number
- CN204834764U CN204834764U CN201520431840.3U CN201520431840U CN204834764U CN 204834764 U CN204834764 U CN 204834764U CN 201520431840 U CN201520431840 U CN 201520431840U CN 204834764 U CN204834764 U CN 204834764U
- Authority
- CN
- China
- Prior art keywords
- positive
- lithium ion
- ion battery
- negative
- cylindrical high
- 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 - Fee Related
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 utility model discloses a cylindrical high magnification lithium ion battery of edge weld belongs to chemical power source technical field. A cylindrical high magnification lithium ion battery of edge weld, includes and rolls up wound electricity core, characterized by by the shell and by positive plate, diaphragm, negative pole piece: the center tube is inserted at the center of electricity core, the positive pole that corresponds of welding piece, the negative pole piece that converges that converges respectively on the plane is rubbed to the empty paper tinsel at electric core both ends, and corresponding anodal electrically conductive utmost point post, the electrically conductive utmost point post of negative pole of welding on the book core the that weld piece that converges, electrically conductive utmost point post seals up with apron riveting gomphosis, positive negative pole apron and pipe casing laser welding. Its advantage lies in: the cell manufacturing process is simpler, and the mass flow effect is obvious, greatly reduces internal resistance of cell and high magnification and fills the temperature rise of putting down. Simultaneously, this battery also is favorable to reducing the defective products of people for leading to the fact, is convenient for realize high magnification, the cylindrical lithium ion battery's of high power capacity automated production, assembly.
Description
[technical field]
The present invention relates to a kind of lithium ion battery of end face weld, specifically a kind of cap of cylindrical high-magnification lithium ion battery of end face weld, belongs to technical field of chemical power.
[background technology]
Lithium ion battery because there is higher energy density, larger discharge power, self discharge is little and the life-span is long, and become batteries of electric automobile develop direction.New forms of energy car electrokinetic cell has that specific energy is high, specific power is large, self discharge is few, long service life and the characteristic such as fail safe is good.Factor---the high magnification great current power lithium ion battery of restriction Development of Electric Vehicles, the automation of its manufacturing system, has higher requirement to battery material, battery structure and production technology.
At present, what lithium-ion-power cell automaticity was the highest is column lithium ion battery, generally adopts monopole ear or multi pole ears current collection mode during prior art assembling, the catchment effect of the catchment effect of multi pole ears far from upper surface weldering.End face weld skill has abandoned consistent extreme ear structure, coating is adopted to stay white technique, make one-sided collector and stay white battery core, end face weld metal is adopted to conflux the technique of sheet again, the metal sheet that confluxes significantly can reduce temperature rise under battery core internal resistance and high magnification charge and discharge as electric current ejector, improve battery cycle life.Meanwhile, by end face weld technology, can be completely achieved the high power charging-discharging ability of lithium-ion-power cell.
Now conventional end face weld collector is circular or square, is connected with block by drainage lug.No matter adopt the collector of which kind of mode, all there is drainage lug needs artificial bending-shaping, and the folding surface of lug is linear, and easy and cylindrical housings is rebuffed, and causes battery core short circuit; Easy rosin joint when the lug of collector welds with block, causes the internal resistance of cell comparatively large, has a strong impact on discharge and recharge conveyance capacity and the temperature rise of battery.The sealing ring that the riveted structure of pole and cover plate is conventional and three contact site are vertical structure, and electrolyte is easily revealed, and causes battery to scrap.In addition, prior art is when solving the problem of battery core axial endplay in housing, and general employing is to housing location slot rolling or the method adding press seal circle, but these methods exist following problem: 1. pair housing slot rolling increases operation, cost is increased; 2. add press seal circle can only manual operation add, and need after adding to carry out shaping location to press seal circle, avoid the inconvenience of cover plate when embedding housing, this turn increases repair rate and the fraction defective of product undoubtedly.
[summary of the invention]
The present invention is directed to above problem, provide a kind of cap of cylindrical high-magnification lithium ion battery of end face weld, this battery manufacture operation is more simple, and catchment effect is obvious, greatly reduces the temperature rise under the internal resistance of cell and high magnification charge and discharge.Meanwhile, this battery be also conducive to reduce people be cause defective products, be convenient to realize high magnification, the automated production of high capacity cylindrical lithium ionic battery, assembling, its technical scheme adopted is as follows:
A kind of cap of cylindrical high-magnification lithium ion battery of end face weld, comprise by shell and by positive plate, barrier film, the battery core that negative plate is wound into, it is characterized in that: central tube (3) is inserted at the center of described battery core, the empty paper tinsel at battery core two ends is rubbed and plane is welded respectively corresponding positive pole and to conflux sheet (10), negative pole confluxes sheet (9), conflux sheet core on weld corresponding positive conductive pole (13), negative conductive pole (8), described positive and negative conductive pole column (8, 13) with positive and negative cover plate (5, 12) connect, both positive and negative polarity cover plate (5, 12) with pipe housing (1) laser welded seal.
One section of blank foil is vacated in described positive/negative plate outer end, and two ends ultrasonic rub flat.
The described sheet that confluxes (9,10) there is equally distributed welding groove and has centre bore.
Described both positive and negative polarity conductive pole column (8,13) lower end is placed in both positive and negative polarity and confluxes in the centre bore of sheet (9,10),
There is screw (7,14) at described both positive and negative polarity conductive pole (8,13) center, and described positive conductive pole (13) center is provided with liquid injection hole (16).
Described liquid injection hole (16) is concentric with positive conductive pole screw (14), and at liquid injection hole (16) built-in steel ball (11).
Chimeric also injection moulding insulated enclosure circle (6,15) riveted by described conductive pole column (8,13) and cover plate (5,12).
Described riveted joint is chimeric concavo-convexly in circular arc combines closely in conjunction with shape.
Described negative pole cover plate (5) is provided with explosion-proof valve (4).
Beneficial effect of the present invention:
The present invention makes battery manufacture operation more simple, and catchment effect is obvious, greatly reduces the temperature rise under the internal resistance of cell and high magnification charge and discharge.Meanwhile, this battery be also conducive to reduce people be cause defective products, be convenient to realize high magnification, the automated production of high capacity cylindrical lithium ionic battery, assembling.
[accompanying drawing explanation]
Fig. 1 is the structural representation of embodiment of the present invention;
Fig. 2 is the structural representation of positive pole cover plate of the present invention;
Fig. 3 is the structural representation of negative pole cover plate of the present invention;
Fig. 4 is the structural representation of the sheet that confluxes that the present invention uses.
[embodiment]
Below in conjunction with concrete embodiment and accompanying drawing, the cap of cylindrical high-magnification lithium ion battery to a kind of end face weld of the present invention is described in further detail.
In Fig. 1-Fig. 4, comprise pipe housing (1), winding battery core (2), central tube (3), open safety valve 4, negative pole cover plate 5, negative pole sealing ring 6, negative pole pole screw 7, negative conductive pole 8, negative pole conflux sheet 9, positive pole confluxes sheet 10, sealing steel ball 11, positive pole cover plate 12, positive conductive pole 13, Positive Poles screw 14, positive pole sealing ring 15, liquid injection hole 16.
As shown in Figure 1, the present invention is a kind of cap of cylindrical high-magnification lithium ion battery of end face weld, comprise the winding battery core 2 in pipe housing 1 and pipe, central tube 3 is axially set in the center of battery core 2 along battery core, the end face of described battery core 2 is planar structure, to conflux sheet 10 at positive pole end face laser welding positive pole, laser welding positive conductive pole 13 on described positive pole confluxes sheet 10, positive conductive pole 13 and positive pole sealing ring 15, positive pole cover plate 12 tabling is also packaged into one, positive pole cover plate 12 has arranged positive pole sealing ring 15 before chimeric, there are screw 14 and liquid injection hole 16 in described positive conductive pole center, liquid injection hole 16 is concentric with screw 14, steel ball 10 is set in liquid injection hole, screw and liquid injection hole 14 are at sealing anterior canal energising core 2 inner chamber.To conflux sheet 9 at negative pole end face laser welding negative pole, laser welding negative conductive pole 13 on described negative pole confluxes sheet 10, negative conductive pole 13 and negative pole cover plate 12, negative pole sealing ring 6 tabling be packaged into one, negative pole cover plate 5 has arranged positive pole sealing ring 6 before chimeric, negative pole cover plate 5 is provided with and opens safety valve 4, there is screw 14 described negative conductive pole 13 upper end.
As shown in Figure 2, the floor map of described positive pole cover plate, cover plate central has through hole 12-1, arranges arc-shaped groove in through hole.
As shown in Figure 3, the floor map of described negative pole cover plate, cover plate central has through hole 12-1, arranges arc-shaped groove in through hole, negative pole cover plate has the unlatching safety valve 4 milled out.
As shown in Figure 4, described negative pole confluxes on sheet 9 and offers centre bore 9-1, negative pole sheet 9 radial surface that confluxes is provided with six welding groove 9-2, the described welding groove 9-2 sheet that will conflux is divided into six regions, offer delivery hole 9-3 in each region, described delivery hole 9-3 is isosceles right triangle.Positive pole sheet 10 and structure and above-mentioned negative pole chip architecture 9 of confluxing of confluxing is identical, and the conflux difference of sheet 10 of itself and positive pole is that the conductive pole column of confluxing in sheet renames positive conductive pole 13 as when the sheet that confluxes is for battery cathode.
The cap of cylindrical high-magnification lithium ion battery of a kind of end face weld of the present invention mainly adopts following processing step in the fabrication process:
1. battery core 2 two ends ultrasonic rub flat: for providing good solder side to collector, rub flat to the empty paper tinsel end face at lithium ion battery cell two ends, under ultrasonic wave added, flat certain thickness is rubbed to the empty paper tinsel end face of battery core, to ensure that battery core end face is solid smooth, so just fully can contact with negative current collector 9 with plus plate current-collecting body 10, be convenient to welding.
2. positive pole sheet 10, the negative pole sheet 9 that confluxes that confluxes is rubbed plane with battery core 2 and is welded: after the sheet that confluxes is aimed at corresponding battery core both positive and negative polarity end face, laser welding makes collector fully contact with end face, such current collection mode significantly can reduce the contact internal resistance of battery, improve the conveyance capacity of battery, the performance of battery is fully played.After having welded positive pole, welding negative pole.Laser welding is confluxed after sheet and is carried out short-circuit test to battery core, and the battery core of not short circuit is allowed for access next process.
3. conflux on sheet and weld conductive pole column: the centre bore positive and negative conductive pole column 8,13 being inserted into respectively the sheet that confluxes, laser welding is carried out to the contact site of the two.
4. encapsulate band and adhesive tape shaping are carried out in pair battery core two ends: by battery core end encapsulate, guarantee that battery core two ends and housing insulate; To adhesive tape shaping, make that battery core is follow-up can enter shell smoothly.
5. battery core 2 enters shell: battery core is slow, parallelly lowly push into pipe housing 1 downwards, needs to avoid shell rim to swipe battery core in the process.
6. by both positive and negative polarity cover plate 12,5 respectively with corresponding both positive and negative polarity conductive pole column 13,8 mutually embedding, cover plate is chimeric with pipe 1.
7. positive pole cover plate 12, negative pole cover plate 5 carry out boxing sealing with pipe 1 shell.
8. battery dry, vacuumize, fluid injection: carry out fluid injection by the 16 pairs of batteries of the liquid injection hole on positive conductive pole 12, put sealing steel ball 11 into liquid injection hole 16 after fluid injection by screw 14, machinery knocks and is sealed by liquid injection hole.So far, battery assembling is complete.
Claims (8)
1. the cap of cylindrical high-magnification lithium ion battery of an end face weld, comprise by shell and by positive plate, barrier film, the battery core that negative plate is wound into, it is characterized in that: central tube (3) is inserted at the center of described battery core, the empty paper tinsel at battery core two ends is rubbed and plane is welded respectively corresponding positive pole and to conflux sheet (10), negative pole confluxes sheet (9), conflux sheet core on weld corresponding positive conductive pole (13), negative conductive pole (8), described positive and negative conductive pole column (8, 13) with positive and negative cover plate (5, 12) connect, both positive and negative polarity cover plate (5, 12) with pipe housing (1) laser welded seal.
2. the cap of cylindrical high-magnification lithium ion battery of end face weld according to claim 1, is characterized in that: one section of blank foil is vacated in described positive/negative plate outer end, and two ends ultrasonic rub flat.
3. the cap of cylindrical high-magnification lithium ion battery of end face weld according to claim 1, is characterized in that: described in conflux and sheet (9,10) have equally distributed welding groove and has centre bore.
4. the cap of cylindrical high-magnification lithium ion battery of end face weld according to claim 1, it is characterized in that: described both positive and negative polarity conductive pole column (8,13) lower end is placed in both positive and negative polarity and confluxes in the centre bore of sheet (9,10), there is screw (7,14) at described both positive and negative polarity conductive pole (8,13) center, and described positive conductive pole (13) center is provided with liquid injection hole (16).
5. the cap of cylindrical high-magnification lithium ion battery of end face weld according to claim 4, it is characterized in that: described liquid injection hole (16) is concentric with positive conductive pole screw (14), and at liquid injection hole (16) built-in steel ball (11).
6. the cap of cylindrical high-magnification lithium ion battery of end face weld according to claim 1, is characterized in that: chimeric also injection moulding insulated enclosure circle (6,15) riveted by described conductive pole column (8,13) and cover plate (5,12).
7. the cap of cylindrical high-magnification lithium ion battery of end face weld according to claim 6, is characterized in that: described riveted joint is chimeric concavo-convexly in circular arc combines closely in conjunction with shape.
8. the cap of cylindrical high-magnification lithium ion battery of end face weld according to claim 1, is characterized in that: described negative pole cover plate (5) is provided with explosion-proof valve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520431840.3U CN204834764U (en) | 2015-06-17 | 2015-06-17 | Cylindrical high magnification lithium ion battery of edge weld |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520431840.3U CN204834764U (en) | 2015-06-17 | 2015-06-17 | Cylindrical high magnification lithium ion battery of edge weld |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204834764U true CN204834764U (en) | 2015-12-02 |
Family
ID=54692327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520431840.3U Expired - Fee Related CN204834764U (en) | 2015-06-17 | 2015-06-17 | Cylindrical high magnification lithium ion battery of edge weld |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204834764U (en) |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428566A (en) * | 2015-12-17 | 2016-03-23 | 中天储能科技有限公司 | Lithium ion battery with low internal resistance and high shock resistance |
| CN106784974A (en) * | 2016-12-31 | 2017-05-31 | 深圳市沃特玛电池有限公司 | Annular electrokinetic cell |
| CN107221451A (en) * | 2017-04-26 | 2017-09-29 | 烯晶碳能电子科技无锡有限公司 | A kind of Large Copacity electrochemical device monomer structure and its assemble method |
| CN107768732A (en) * | 2017-09-05 | 2018-03-06 | 东莞市迈科新能源有限公司 | A kind of preparation method of no aerogenesis cylindrical lithium ion battery |
| CN108199091A (en) * | 2018-01-31 | 2018-06-22 | 广东顺德工业设计研究院(广东顺德创新设计研究院) | Lithium battery and its battery case |
| CN108682568A (en) * | 2018-05-11 | 2018-10-19 | 江西中汽瑞华新能源科技有限公司 | A kind of large capacity super capacitor and preparation method thereof |
| CN109037761A (en) * | 2018-07-17 | 2018-12-18 | 江苏海基新能源股份有限公司 | A kind of rectangular lithium ion battery with aluminum shell and assembly method |
| CN109904380A (en) * | 2019-03-26 | 2019-06-18 | 阮孟雪 | A kind of circle high power lithium ion cell structure and preparation method thereof |
| CN110299481A (en) * | 2019-07-18 | 2019-10-01 | 常州微宙电子科技有限公司 | A kind of pin type lithium ion battery |
| CN111584814A (en) * | 2020-04-07 | 2020-08-25 | 天津空间电源科技有限公司 | Battery eccentric welding current collection mechanism and battery adopting same |
| JP2020525995A (en) * | 2017-07-03 | 2020-08-27 | モンバット・ニュー・パワー・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | Method and device for manufacturing storage battery, and storage battery |
| CN112928281A (en) * | 2021-03-23 | 2021-06-08 | 华中科技大学 | Ear-free cylindrical battery and preparation method thereof |
| CN112993491A (en) * | 2021-02-05 | 2021-06-18 | 刘昌国 | Lithium battery, battery cell and assembly method |
| CN113131102A (en) * | 2021-04-14 | 2021-07-16 | 湖北亿纬动力有限公司 | Battery and manufacturing method thereof |
| CN113437410A (en) * | 2020-08-04 | 2021-09-24 | 珠海冠宇电池股份有限公司 | Button cell and preparation method thereof |
| CN113517519A (en) * | 2021-03-19 | 2021-10-19 | 天津荣盛盟固利新能源科技有限公司 | Bus bar structure and welding method |
| CN114221073A (en) * | 2021-12-13 | 2022-03-22 | 上海比耐信息科技有限公司 | Cylindrical lithium battery and manufacturing method thereof |
| CN114284649A (en) * | 2021-12-03 | 2022-04-05 | 江苏海基新能源股份有限公司 | Winding type cylindrical lithium ion battery and production process thereof |
| CN115347329A (en) * | 2022-06-30 | 2022-11-15 | 广西宁福新能源科技有限公司 | Novel cylindrical lithium battery busbar structure, battery cell and manufacturing process thereof |
| WO2022242228A1 (en) * | 2021-05-16 | 2022-11-24 | 深圳市拓邦锂电池有限公司 | Battery |
| WO2023019374A1 (en) * | 2021-08-14 | 2023-02-23 | 宁德时代新能源科技股份有限公司 | Battery, battery manufacturing method and electric apparatus |
| WO2023185501A1 (en) * | 2022-03-28 | 2023-10-05 | 蓝京新能源(嘉兴)有限公司 | High-energy-density cylindrical battery and assembly process therefor |
| CN115347329B (en) * | 2022-06-30 | 2024-04-26 | 广西宁福新能源科技有限公司 | Novel busbar structure of cylindrical lithium battery, battery core and manufacturing process of novel busbar structure |
-
2015
- 2015-06-17 CN CN201520431840.3U patent/CN204834764U/en not_active Expired - Fee Related
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428566A (en) * | 2015-12-17 | 2016-03-23 | 中天储能科技有限公司 | Lithium ion battery with low internal resistance and high shock resistance |
| CN106784974A (en) * | 2016-12-31 | 2017-05-31 | 深圳市沃特玛电池有限公司 | Annular electrokinetic cell |
| CN107221451A (en) * | 2017-04-26 | 2017-09-29 | 烯晶碳能电子科技无锡有限公司 | A kind of Large Copacity electrochemical device monomer structure and its assemble method |
| JP2020525995A (en) * | 2017-07-03 | 2020-08-27 | モンバット・ニュー・パワー・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | Method and device for manufacturing storage battery, and storage battery |
| US11502380B2 (en) | 2017-07-03 | 2022-11-15 | Monbat New Power GmbH | Producing a rechargeable battery |
| JP7308155B2 (en) | 2017-07-03 | 2023-07-13 | モンバット・ニュー・パワー・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | Method and apparatus for manufacturing storage battery, and storage battery |
| CN107768732A (en) * | 2017-09-05 | 2018-03-06 | 东莞市迈科新能源有限公司 | A kind of preparation method of no aerogenesis cylindrical lithium ion battery |
| CN108199091A (en) * | 2018-01-31 | 2018-06-22 | 广东顺德工业设计研究院(广东顺德创新设计研究院) | Lithium battery and its battery case |
| CN108682568A (en) * | 2018-05-11 | 2018-10-19 | 江西中汽瑞华新能源科技有限公司 | A kind of large capacity super capacitor and preparation method thereof |
| CN109037761A (en) * | 2018-07-17 | 2018-12-18 | 江苏海基新能源股份有限公司 | A kind of rectangular lithium ion battery with aluminum shell and assembly method |
| CN109904380A (en) * | 2019-03-26 | 2019-06-18 | 阮孟雪 | A kind of circle high power lithium ion cell structure and preparation method thereof |
| CN110299481A (en) * | 2019-07-18 | 2019-10-01 | 常州微宙电子科技有限公司 | A kind of pin type lithium ion battery |
| CN111584814A (en) * | 2020-04-07 | 2020-08-25 | 天津空间电源科技有限公司 | Battery eccentric welding current collection mechanism and battery adopting same |
| CN113437410B (en) * | 2020-08-04 | 2024-01-30 | 珠海冠宇电池股份有限公司 | Button cell and preparation method thereof |
| CN113437410A (en) * | 2020-08-04 | 2021-09-24 | 珠海冠宇电池股份有限公司 | Button cell and preparation method thereof |
| CN112993491A (en) * | 2021-02-05 | 2021-06-18 | 刘昌国 | Lithium battery, battery cell and assembly method |
| CN113517519A (en) * | 2021-03-19 | 2021-10-19 | 天津荣盛盟固利新能源科技有限公司 | Bus bar structure and welding method |
| CN113517519B (en) * | 2021-03-19 | 2023-02-17 | 天津荣盛盟固利新能源科技有限公司 | Welding method |
| CN112928281A (en) * | 2021-03-23 | 2021-06-08 | 华中科技大学 | Ear-free cylindrical battery and preparation method thereof |
| CN113131102A (en) * | 2021-04-14 | 2021-07-16 | 湖北亿纬动力有限公司 | Battery and manufacturing method thereof |
| WO2022242228A1 (en) * | 2021-05-16 | 2022-11-24 | 深圳市拓邦锂电池有限公司 | Battery |
| WO2023019374A1 (en) * | 2021-08-14 | 2023-02-23 | 宁德时代新能源科技股份有限公司 | Battery, battery manufacturing method and electric apparatus |
| CN114284649A (en) * | 2021-12-03 | 2022-04-05 | 江苏海基新能源股份有限公司 | Winding type cylindrical lithium ion battery and production process thereof |
| CN114221073A (en) * | 2021-12-13 | 2022-03-22 | 上海比耐信息科技有限公司 | Cylindrical lithium battery and manufacturing method thereof |
| WO2023185501A1 (en) * | 2022-03-28 | 2023-10-05 | 蓝京新能源(嘉兴)有限公司 | High-energy-density cylindrical battery and assembly process therefor |
| CN115347329A (en) * | 2022-06-30 | 2022-11-15 | 广西宁福新能源科技有限公司 | Novel cylindrical lithium battery busbar structure, battery cell and manufacturing process thereof |
| CN115347329B (en) * | 2022-06-30 | 2024-04-26 | 广西宁福新能源科技有限公司 | Novel busbar structure of cylindrical lithium battery, battery core and manufacturing process of novel busbar structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204834764U (en) | Cylindrical high magnification lithium ion battery of edge weld | |
| CN107293809A (en) | A kind of soft bag lithium ionic cell and its manufacture method | |
| CN102347512B (en) | Large-capacity lithium ion battery | |
| CN102299271A (en) | Cylindrical lithium ion power cell | |
| CN202150519U (en) | Lithium ion secondary battery without polar ears | |
| CN205543089U (en) | Lithium ion battery | |
| CN106910932A (en) | A kind of lithium ion battery and preparation method thereof | |
| CN113745640A (en) | High-power cylindrical lithium ion battery and processing technology | |
| CN203826461U (en) | End-surface-welded cylindrical lithium battery | |
| CN202275893U (en) | Lithium ion battery | |
| CN203562472U (en) | Novel cylindrical lithium-manganese battery | |
| CN201871891U (en) | Novel battery welding and positioning tooling | |
| CN103219524B (en) | A kind of laminated lithium ion battery plus plate current-collecting body paillon foil, anode pole piece and battery | |
| CN103730623A (en) | End surface welding cylindrical lithium battery | |
| CN202167563U (en) | Cylindrical lithium-ion power battery | |
| CN204905358U (en) | Coiling power lithium ion battery | |
| CN204243090U (en) | A kind of high-performance power lithium-ion battery | |
| CN203553223U (en) | Safety structure of large-capacity lithium ion battery pack | |
| CN207474594U (en) | A kind of lithium ion cylinder battery | |
| CN205609693U (en) | Electrochemistry energy memory | |
| CN101499541A (en) | Novel winding type lithium ionic cell and manufacturing method thereof | |
| CN101752613A (en) | Power soft packaging lithium ion battery with high power | |
| CN202308197U (en) | Polymer lithium ion battery with internal multi-winding-core parallel structure | |
| CN202058819U (en) | Intelligent lithium ion battery pack | |
| CN203910898U (en) | Circular nickel-hydrogen battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shaanxi Voight new energy Co., Ltd. Assignor: Shenzhen Optimum Battery Co., Ltd. Contract record no.: 2016440020093 Denomination of utility model: Cylindrical high magnification lithium ion battery of edge weld Granted publication date: 20151202 License type: Common License Record date: 20161021 Assignee: Jingzhou waltmal Battery Co., Ltd. Assignor: Shenzhen Optimum Battery Co., Ltd. Contract record no.: 2016440020094 Denomination of utility model: Cylindrical high magnification lithium ion battery of edge weld Granted publication date: 20151202 License type: Common License Record date: 20161024 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170316 Address after: 714000 Shaanxi high tech Zone in Weinan City, Qin Yu Lu No. 2 Patentee after: Shaanxi Voight new energy Co., Ltd. Address before: 518000 Guangdong province Shenzhen Pingshan New District No. 68 North Road, Yu Lan Jing deep science and Technology Park Patentee before: Shenzhen Optimum Battery Co., Ltd. |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20180428 Granted publication date: 20151202 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210428 Granted publication date: 20151202 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20190617 |