CN108987790A - A kind of lithium battery - Google Patents

A kind of lithium battery Download PDF

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Publication number
CN108987790A
CN108987790A CN201811012349.1A CN201811012349A CN108987790A CN 108987790 A CN108987790 A CN 108987790A CN 201811012349 A CN201811012349 A CN 201811012349A CN 108987790 A CN108987790 A CN 108987790A
Authority
CN
China
Prior art keywords
collector plate
positive
negative
tab portion
lithium battery
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
Application number
CN201811012349.1A
Other languages
Chinese (zh)
Inventor
陈海廷
丁丽平
高峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Yinlong New Energy Industry Technology Research Co Ltd
Yinlong New Energy Co Ltd
Original Assignee
Chengdu Yinlong New Energy Industry Technology Research Co Ltd
Yinlong New Energy Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chengdu Yinlong New Energy Industry Technology Research Co Ltd, Yinlong New Energy Co Ltd filed Critical Chengdu Yinlong New Energy Industry Technology Research Co Ltd
Priority to CN201811012349.1A priority Critical patent/CN108987790A/en
Publication of CN108987790A publication Critical patent/CN108987790A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/058Construction or manufacture
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/531Electrode connections inside a battery casing
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Abstract

A kind of lithium battery that the disclosure provides, is related to battery technology field.The lithium battery includes positive cover board group part, positive collector plate component, battery core and negative collector plate component.The both ends of battery core are respectively formed just full tab portion and bear full tab portion.Positive cover plate assembly includes positive column cap, insulating part and positive cover board, and positive column cap passes through positive cover board, and is connect by insulating part with positive cover board.Positive collector plate component includes the positive collector plate and flexible joining part being electrically connected to each other, and positive collector plate is electrically connected with just full tab portion, and flexible joining part is electrically connected with positive column cap.Negative collector plate component includes negative collector plate and the cathode column cap being set in negative collector plate, and negative collector plate is electrically connected with full tab portion is born.The internal structure of the lithium battery is simple, and manufacturing process is simple, time-consuming short, high production efficiency, also, the internal resistance of lithium battery is small, long service life.

Description

A kind of lithium battery
Technical field
This disclosure relates to battery technology field, in particular to a kind of lithium battery.
Background technique
Lithium ion battery has good reliability as environmentally protective new energy, highly-safe, small in size, light-weight etc. excellent Point is widely used in the fields such as electronic product, electric car, military product.As country vigorously supports new energy, The development of lithium ion battery is like a raging fire, but the requirement to lithium ion battery is also higher and higher, as electric vehicle system is to power The raising of performance requirement, lithium ion battery just develop towards high power, high magnification, fast charge and discharge, low cost, high-energy direction.
Cylindrical battery occupies critical role in lithium ion battery development course,.Column lithium ion battery at present Manufacturing processes it is complicated, time-consuming, and production efficiency is low.Also, it since structure is complicated for lithium battery interior, often will cause The problems such as internal resistance of cell is excessive, and service life is not up to standard.
Summary of the invention
The purpose of the disclosure includes providing a kind of lithium battery, and internal structure is simple, and manufacturing process is simple, time-consuming short, raw Produce high-efficient, also, the internal resistance of lithium battery is small, long service life.
It is that it is realized by adopting the following technical scheme that the disclosure, which solves its technical problem:
A kind of lithium battery that the disclosure provides, including positive cover plate assembly, positive collector plate component, battery core and negative afflux board group Part;
The both ends of the battery core are respectively formed just full tab portion and bear full tab portion;The anode cover plate assembly includes anode Column cap, insulating part and positive cover board, the anode column cap passes through the positive cover board, and passes through the insulating part and the anode Cover board connection;The positive collector plate component includes the positive collector plate and flexible joining part being electrically connected to each other, the positive collector plate and institute Just full tab portion electrical connection is stated, the flexible joining part is electrically connected with the positive column cap;
The negative collector plate component includes negative collector plate and the cathode column cap that is set in the negative collector plate, the negative collection Flowing plate is born full tab portion and is electrically connected with described.
Further, the just full tab portion squeezes to form the first positioning edge, and the positive collector plate is flexible coupling far from described The grand liter in the bottom surface of part forms the first locating slot, and first positioning edge and first locating slot cooperate, the flexible joining part Bottom surface is bonded with the just full tab portion.
Further, the first venthole, first venthole and first positioning are offered in the positive collector plate Slot connection.
Further, the periphery of first positioning edge forms the first welding surface, and the periphery of first locating slot is formed Second welding surface, first welding surface and second welding surface weld.
Further, the flexible joining part includes bending segment and linkage section, and the bending segment is set to the positive collector plate Side, the linkage section is oppositely arranged with the positive collector plate, and is electrically connected with the end of the positive column cap.
Further, described to bear full tab portion and squeeze to form the second positioning edge, the top surface of the negative collector plate is recessed to be formed Second locating slot, second positioning edge and second locating slot cooperate, and full pole is born with described in the top surface of the negative collector plate Ear's fitting.
Further, the second venthole, second venthole and second positioning are offered in the negative collector plate Slot connection, the lithium battery further includes negative cover, and the negative cover lid closes the negative collector plate, also, the negative terminal Head is stretched out from the negative cover.
Further, the periphery of second positioning edge forms third welding surface, and the periphery of second locating slot is formed 4th welding surface, the third welding surface and the 4th welding surface weld.
Further, liquid injection hole and safety exhaust are arranged at intervals on the positive cover board.
Another lithium battery that the disclosure provides, including positive cover plate assembly, positive collector plate component, battery core, negative collector plate Component, negative cover and shell;
The both ends of the battery core are respectively formed just full tab portion and bear full tab portion;The anode cover plate assembly includes anode Column cap, insulating part and positive cover board, the anode column cap passes through the positive cover board, and passes through the insulating part and the anode Cover board connection;The positive collector plate component includes the positive collector plate and flexible joining part being electrically connected to each other, the positive collector plate and institute Just full tab portion electrical connection is stated, the flexible joining part is electrically connected with the positive column cap;
The negative collector plate component includes negative collector plate and the cathode column cap that is set in the negative collector plate, the negative collection Flowing plate is born full tab portion and is electrically connected with described, and the negative cover lid closes the negative collector plate, also, the cathode column cap is from institute State negative cover stretching;Anode cover board and the negative cover described in the cage connection.
The beneficial effect of the embodiment of the present disclosure is:
The lithium battery that the disclosure provides, the both ends of battery core are respectively formed just full tab portion and bear full tab portion, also, just Collector plate is electrically connected with just full tab portion, and negative collector plate is electrically connected with full tab portion is born, and can be avoided using one or more Tab welding is at the foil of pole coating gap, then the complicated procedures of forming process being welded on same flow collection sheet, and rosin joint, mistake is not present Phenomenon is welded, can guarantee the stability of battery internal resistance, be not in the excessive situation of resistance, guarantee the service life of battery.
Detailed description of the invention
It, below will be to needed in the embodiment attached in order to illustrate more clearly of the technical solution of the embodiment of the present disclosure Figure is briefly described, it should be understood that the following drawings illustrates only some embodiment of the disclosure, therefore is not construed as pair The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the decomposition texture schematic diagram for the lithium battery that disclosure specific embodiment provides.
Fig. 2 is the structural schematic diagram of the battery core for the lithium battery that disclosure specific embodiment provides.
Fig. 3 is the structural schematic diagram of the positive collector plate component for the lithium battery that disclosure specific embodiment provides.
Fig. 4 is the structural schematic diagram of the positive cover plate assembly for the lithium battery that disclosure specific embodiment provides.
Fig. 5 is the schematic diagram of the section structure of the positive cover plate assembly for the lithium battery that disclosure specific embodiment provides.
Fig. 6 is the structural schematic diagram of the negative collector plate component for the lithium battery that disclosure specific embodiment provides.
Fig. 7 is the assembling structure schematic diagram for the lithium battery that disclosure specific embodiment provides.
Icon: 100- lithium battery;110- anode cover plate assembly;112- anode column cap;1121- first end;1122- second End;113- insulating part;114- anode cover board;1141- liquid injection hole;1142- safety exhaust;The positive collector plate component of 120-; The positive collector plate of 121-;The first locating slot of 1211-;The first venthole of 1212-;The second welding surface of 1213-;122- flexible joining part; 1221- bending segment;1222- linkage section;101- mounting hole;130- battery core;The just full tab portion 131-;The first positioning edge of 1311-; The first welding surface of 1312-;132- bears full tab portion;The second positioning edge of 1321-;1322- third welding surface;The negative afflux board group of 140- Part;141- cathode column cap;The negative collector plate of 142-;The second locating slot of 1421-;The 4th welding surface of 1422-;The second venthole of 1433-; 150- negative cover;151- portals.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present disclosure clearer, below in conjunction with the embodiment of the present disclosure In attached drawing, the technical solution in the embodiment of the present disclosure is clearly and completely described, it is clear that described embodiment is Disclosure a part of the embodiment, instead of all the embodiments.The disclosure being usually described and illustrated herein in the accompanying drawings is implemented The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the disclosure provided in the accompanying drawings is not intended to limit below claimed The scope of the present disclosure, but be merely representative of the selected embodiment of the disclosure.Based on the embodiment in the disclosure, this field is common Technical staff's every other embodiment obtained without creative efforts belongs to the model of disclosure protection It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the disclosure, it should be noted that the orientation or positional relationship of the instructions such as term " on " is based on attached Orientation or positional relationship shown in figure or the disclosure product using when the orientation or positional relationship usually put, be only for Convenient for the description disclosure and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side Position is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the disclosure.
In addition, term " first ", " second ", " third " and " the 4th " etc. are only used for distinguishing description, and should not be understood as referring to Show or imply relative importance.
In the description of the disclosure, it is also necessary to which explanation, unless in addition having more specific regulation and limiting, term " is set Set ", " connection " more broadly understanding should be done, for example, " connection " may be a fixed connection, may be a detachable connection or one Connect to body;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, it can also be indirect by intermediary It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition State the concrete meaning of term in the disclosure.
With reference to the accompanying drawing, it elaborates to an embodiment of the disclosure, it is in the absence of conflict, following Feature in embodiment can be combined with each other.
Fig. 1 is the decomposition texture schematic diagram of lithium battery 100 provided in this embodiment.Fig. 1 is please referred to, is disclosed in the present embodiment A kind of lithium battery 100 comprising positive cover plate assembly 110, positive collector plate component 120, battery core 130 and negative collector plate component 140。
Positive collector plate component 120 is connected to one end of battery core 130, and positive cover plate assembly 110 connects with positive collector plate component 120 It connects, to export positive electricity, negative collector plate component 140 is connected to the other end of battery core 130, to export negative electricity.
100 internal structure of lithium battery disclosed in the present embodiment is simple, easy to assembly, and resistance stabilization, will not be suddenly big, because This can guarantee the service life of lithium battery 100.
Fig. 2 is the structural schematic diagram of the battery core 130 of lithium battery 100 provided in this embodiment.Referring to figure 2., the present embodiment In, battery core 130 is cylindrical, and battery core 130 is wound by up- coiler by anode pole piece, cathode pole piece and diaphragm and formed.Wherein, Anode pole piece and cathode pole piece are all made of full extreme ear structure, and therefore, in the present embodiment, the both ends of battery core 130 are respectively formed just complete Tab portion 131 and full tab portion 132 is born, for conveying positive electricity to positive collector plate component 120 and negative collector plate component 140 respectively And negative electricity.
In order to guarantee the stability of assembling structure, in the present embodiment, just full tab portion 131 squeezes shape using tab trimmer At the first positioning edge 1311, the first positioning edge 1311 can be cross or M shape, and the first positioning edge 1311 is used for and just Collector plate component 120 cooperates.It should be noted that the periphery of the first positioning edge 1311 forms the first welding surface 1312, the first weldering Junction 1312 is used for and the welding of positive collector plate component 120.
It is understood that in the present embodiment, the first welding surface 1312 is multiple, also, multiple first welding surfaces 1312 It is fan-shaped.
Likewise, the stability in order to guarantee assembling structure, in the present embodiment, bears full tab portion 132 and use tab shaping Machine squeezes to form the second positioning edge 1321, the second positioning edge 1321 or cross or M shape, the second positioning edge 1321 be used for and negative collector plate component 140 cooperation.It should be noted that the periphery of the second positioning edge 1321 forms third welding surface 1322, third welding surface 1322 is used for and the welding of negative collector plate component 140.
Third welding surface 1322 is multiple, also, multiple third welding surfaces 1322 are fan-shaped.
Fig. 3 is the structural schematic diagram of the positive collector plate component 120 of lithium battery 100 provided in this embodiment.Incorporated by reference to reference Fig. 2 and Fig. 3, in the present embodiment, positive collector plate component 120 includes the positive collector plate 121 and flexible joining part 122 being electrically connected to each other, Positive collector plate 121 is electrically connected with just full tab portion 131, and flexible joining part 122 is used for and positive cover plate assembly 110 is electrically connected.
In order to cooperate with just full tab portion 131, in the present embodiment, positive bottom surface of the collector plate 121 far from flexible joining part 122 is grand It rises and forms the first locating slot 1211, the first positioning edge 1311 and the first locating slot 1211 cooperate, the bottom surface of flexible joining part 122 and just Full tab portion 131 is bonded.
It is understood that the first locating slot 1211 may be set to be cross or M shape, the first locating slot 1211 periphery forms the second welding surface 1213, and the first welding surface 1312 and the second welding surface 1213 weld.
It is understood that the mode of this face face welding, stable structure are not in rosin joint, spend phenomena such as weldering.
The first venthole 1212 is offered in positive collector plate 121, the first venthole 1212 is connected to the first locating slot 1211. The quantity of first venthole 1212 can be one or more, and in the present embodiment, the first venthole 1212 is multiple, and edge First setting at equal intervals of locating slot 1211.
It is understood that under electrolyte gas can be generated, the first locating slot 1211 can the row of being formed after liquid and Battery formation Gas channel can be vented by the first venthole 1212.
In the present embodiment, flexible joining part 122 includes bending segment 1221 and linkage section 1222, and bending segment 1221 is set to positive collection The side of flowing plate 121, linkage section 1222 are oppositely arranged with positive collector plate 121, and for being electrically connected with positive cover plate assembly 110.
As an implementation, mounting hole 101 is offered in the middle part of linkage section 1222, mounting hole 101 is used for and polar cap plate Component cooperation.
It should be noted that positive collector plate 121 and flexible joining part 122 are integrally formed in the present embodiment.
Fig. 4 is the structural schematic diagram of the positive cover plate assembly 110 of lithium battery 100 provided in this embodiment.Fig. 5 is this implementation The schematic diagram of the section structure of the positive cover plate assembly 110 for the lithium battery 100 that example provides.Incorporated by reference to referring to Fig. 4 and Fig. 5, this implementation In example, positive cover plate assembly 110 includes that positive column cap 112, insulating part 113 and positive cover board 114, positive column cap 112 pass through just Polar cap plate 114, and connect by insulating part 113 with positive cover board 114.
It should be noted that insulating part 113 can be made of plastic materials such as PFA material, PPS materials.For dividing Every anode change and positive column cap 112.It should be noted that positive column cap 112 has first end 1121 and the second end 1122, first end 1121 is exported for positive charge, and the second end 1122 is inserted into mounting hole 101 to realize and positive collector plate 121 Electrical connection.
In the present embodiment, positive cover board 114 prevents internal oxidation for sealing to lithium battery 100.Positive cover board Liquid injection hole 1141 and safety exhaust 1142 are arranged at intervals on 114.
It is understood that liquid injection hole 1141 can be used for connecting with the liquid injection system inside lithium battery 100, for infusing Liquid, after battery recycles for a long time, inside has certain gas, influences battery performance, which can be used for The discharge of gas.Liquid injection hole 1141 is sealed with steel ball after fluid injection, and the first venthole 1212 is blocked by seal rubber plug, and clicks and enters high temperature Glue, to facilitate subsequent opening to be vented.
In the present embodiment, liquid injection hole 1141 can set 1mm~3mm for diameter.
It after final battery assembly, all closes, exhaust valve moment opening can be vented in internal short-circuit, avoid exploding.
Fig. 6 is the structural schematic diagram of the negative collector plate component 140 of lithium battery 100 provided in this embodiment.Fig. 6 is please referred to, In the present embodiment, negative collector plate component 140 includes negative collector plate 142 and the cathode column cap 141 being set in negative collector plate 142, Negative collector plate 142 is electrically connected with full tab portion 132 is born, and cathode column cap 141 is exported for negative electrical charge.
Cathode column cap 141 and negative collector plate 142 are integrally formed.
The top surface of negative collector plate 142 is recessed to form the second locating slot 1421, the second positioning edge 1321 and the second locating slot 1421 cooperations, the top surface of negative collector plate 142 is bonded with full tab portion 132 is born.
As an implementation, in the present embodiment, the second venthole 1433 is offered in negative collector plate 142, second is logical Stomata 1433 is connected to the second locating slot 1421.The periphery of second locating slot 1421 forms the 4th welding surface 1422, third welding Face 1322 and the 4th welding surface 1422 weld.
It is understood that the second locating slot 1421 is identical as the structure of the first locating slot 1211 and function, the second ventilation Hole 1433 is identical as the structure of the first venthole 1212 and function, and third welding surface 1322 and the 4th welding surface 1422 are respectively with The shape and structure and function of one welding surface 1312 and the second welding surface 1213 are identical, repeat no more here.
Please continue to refer to Fig. 1, it should be noted that in order to guarantee the good leakproofness of lithium battery 100, lithium battery 100 is also Including negative cover 150, the lid of negative cover 150 closes negative collector plate 142.It is provided in negative cover 150 and portals 151, negative terminal First 141 from 151 stretchings of portalling of negative cover 150.
In the present embodiment, lithium battery 100 further includes shell (figure is not marked), cage connection anode cover board 114 and negative cover 150.It is understood that shell, positive cover board 114 and negative cover 150 connect integral, can guarantee good closed Property.
Fig. 7 is the assembling structure schematic diagram of lithium battery 100 provided in this embodiment.Incorporated by reference to referring to Fig.1 and Fig. 7, this reality When the assembly of lithium battery 100 of example offer is provided, anode pole piece, cathode pole piece and diaphragm are wound into battery core 130 by up- coiler, it will First positioning edge 1311 and the first locating slot 1211 cooperate, and the first welding surface 1312 and the second welding surface 1213 are welded, so Afterwards by the mounting hole 101 of positive column cap 112 being mounted in flexible joining part 122, and weld together.Again by the second positioning edge 1321 and second locating slot 1421 cooperate, and third welding surface 1322 and the 4th welding surface 1422 are welded, finally by negative cover The lid of plate 150 closes negative collector plate 142, then welds together negative cover 150 and one end of shell, positive cover board 114 with outside The other end of shell welds.After group installs, battery leak detection, the processes such as fluid injection are carried out.
It is understood that the both ends of its battery core 130 of the lithium battery 100 of disclosure offer are respectively formed just full tab portion It 131 and bears full tab portion 132, also, positive collector plate 121 is electrically connected with just full tab portion 131, negative collector plate 142 and bears full pole Ear 132 is electrically connected, and can be avoided using one or more tab welding at the foil of pole coating gap, then is welded to same Complicated procedures of forming process on one flow collection sheet there is no rosin joint, crosses weldering phenomenon, can guarantee the stability of battery internal resistance, will not There is the excessive situation of resistance, guarantees the service life of battery.
The foregoing is merely preferred embodiment of the present disclosure, are not limited to the disclosure, for the skill of this field For art personnel, the disclosure can have various modifications and variations.It is all within the spirit and principle of the disclosure, it is made any to repair Change, equivalent replacement, improvement etc., should be included within the protection scope of the disclosure.

Claims (10)

1. a kind of lithium battery, which is characterized in that including positive cover plate assembly, positive collector plate component, battery core and negative collector plate component;
The both ends of the battery core are respectively formed just full tab portion and bear full tab portion;The anode cover plate assembly includes positive terminal Head, insulating part and positive cover board, the anode column cap passes through the positive cover board, and passes through the insulating part and the positive cover Plate connection;The positive collector plate component includes the positive collector plate and flexible joining part being electrically connected to each other, the positive collector plate with it is described Just full tab portion electrical connection, the flexible joining part are electrically connected with the positive column cap;
The negative collector plate component includes negative collector plate and the cathode column cap that is set in the negative collector plate, the negative collector plate It bears full tab portion with described and is electrically connected.
2. lithium battery as described in claim 1, which is characterized in that the just full tab portion squeezes to form the first positioning edge, institute It states the grand liter in bottom surface of the positive collector plate far from the flexible joining part and forms the first locating slot, first positioning edge is fixed with described first Position slot cooperation, the bottom surface of the flexible joining part is bonded with the just full tab portion.
3. lithium battery as claimed in claim 2, which is characterized in that the first venthole is offered in the positive collector plate, it is described First venthole is connected to first locating slot.
4. lithium battery as claimed in claim 2, which is characterized in that the periphery of first positioning edge forms the first welding surface, The periphery of first locating slot forms the second welding surface, and first welding surface and second welding surface weld.
5. lithium battery as described in claim 1, which is characterized in that the flexible joining part includes bending segment and linkage section, described Bending segment is set to the side of the positive collector plate, and the linkage section is oppositely arranged with the positive collector plate, and with the anode The end of column cap is electrically connected.
6. lithium battery as described in claim 1, which is characterized in that described to bear full tab portion and squeeze to form the second positioning edge, institute The top surface for stating negative collector plate is recessed to form the second locating slot, and second positioning edge and second locating slot cooperate, described negative It bears full tab portion with described and is bonded in the top surface of collector plate.
7. lithium battery as claimed in claim 6, which is characterized in that the second venthole is offered in the negative collector plate, it is described Second venthole is connected to second locating slot, and the lithium battery further includes negative cover, described in the negative cover lid conjunction Negative collector plate, also, the cathode column cap is stretched out from the negative cover.
8. lithium battery as claimed in claim 6, which is characterized in that the periphery of second positioning edge forms third welding surface, The periphery of second locating slot forms the 4th welding surface, and the third welding surface and the 4th welding surface weld.
9. lithium battery as described in claim 1, which is characterized in that be arranged at intervals with liquid injection hole and safety on the anode cover board Exhaust valve.
10. a kind of lithium battery, which is characterized in that including positive cover plate assembly, positive collector plate component, battery core, negative collector plate component, Negative cover and shell;
The both ends of the battery core are respectively formed just full tab portion and bear full tab portion;The anode cover plate assembly includes positive terminal Head, insulating part and positive cover board, the anode column cap passes through the positive cover board, and passes through the insulating part and the positive cover Plate connection;The positive collector plate component includes the positive collector plate and flexible joining part being electrically connected to each other, the positive collector plate with it is described Just full tab portion electrical connection, the flexible joining part are electrically connected with the positive column cap;
The negative collector plate component includes negative collector plate and the cathode column cap that is set in the negative collector plate, the negative collector plate It bears full tab portion with described and is electrically connected, the negative cover lid closes the negative collector plate, also, the cathode column cap is from described negative Polar cap plate stretches out;Anode cover board and the negative cover described in the cage connection.
CN201811012349.1A 2018-08-31 2018-08-31 A kind of lithium battery Pending CN108987790A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110085778A (en) * 2019-05-30 2019-08-02 广东顺德工业设计研究院(广东顺德创新设计研究院) Battery case, lithium ion battery and Li-ion batteries piles
CN112331969A (en) * 2020-11-13 2021-02-05 河北零点新能源科技有限公司 Structure for improving multiplying power of lithium battery
CN112531219A (en) * 2020-12-19 2021-03-19 江苏芯界新能源科技有限公司 Cell structure of lithium ion battery
CN112993491A (en) * 2021-02-05 2021-06-18 刘昌国 Lithium battery, battery cell and assembly method
CN113097607A (en) * 2021-03-31 2021-07-09 蜂巢能源科技(无锡)有限公司 Lithium battery core, preparation method thereof and battery pack
CN114284644A (en) * 2021-12-22 2022-04-05 远景动力技术(江苏)有限公司 Switching structure and contain its full utmost point ear book core, full utmost point ear battery
CN115051119A (en) * 2022-05-28 2022-09-13 楚能新能源股份有限公司 Lithium ion battery current collection structure
CN115064842A (en) * 2022-05-28 2022-09-16 楚能新能源股份有限公司 Lithium ion battery current collection structure
WO2022237906A1 (en) * 2021-05-14 2022-11-17 Sino-Australia Power Storage Technology (Xi'an) Co, Ltd Connecting device for post and lug of high-capacity battery
WO2023071767A1 (en) * 2021-10-25 2023-05-04 宁德时代新能源科技股份有限公司 Battery cell, battery, and electric device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1283879A (en) * 1999-08-10 2001-02-14 三洋电机株式会社 Non-water electrolyte secondary battery and its mfg. method
CN1694279A (en) * 2004-03-24 2005-11-09 三星Sdi株式会社 Rechargeable battery
CN104103850A (en) * 2013-04-09 2014-10-15 珠海银隆新能源有限公司 Cylindrical lithium ion battery
CN204947019U (en) * 2015-06-17 2016-01-06 深圳市沃特玛电池有限公司 A kind of full lug column lithium ion battery
JP2016122596A (en) * 2014-12-25 2016-07-07 日立化成株式会社 Lithium ion battery
CN105849841A (en) * 2013-12-26 2016-08-10 日立化成株式会社 Power storage device
CN206711986U (en) * 2017-04-06 2017-12-05 珠海南北能源科技有限公司 A kind of new cylindrical lithium battery
CN208507853U (en) * 2018-08-31 2019-02-15 成都市银隆新能源产业技术研究有限公司 A kind of lithium battery

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1283879A (en) * 1999-08-10 2001-02-14 三洋电机株式会社 Non-water electrolyte secondary battery and its mfg. method
CN1694279A (en) * 2004-03-24 2005-11-09 三星Sdi株式会社 Rechargeable battery
CN104103850A (en) * 2013-04-09 2014-10-15 珠海银隆新能源有限公司 Cylindrical lithium ion battery
CN105849841A (en) * 2013-12-26 2016-08-10 日立化成株式会社 Power storage device
JP2016122596A (en) * 2014-12-25 2016-07-07 日立化成株式会社 Lithium ion battery
CN204947019U (en) * 2015-06-17 2016-01-06 深圳市沃特玛电池有限公司 A kind of full lug column lithium ion battery
CN206711986U (en) * 2017-04-06 2017-12-05 珠海南北能源科技有限公司 A kind of new cylindrical lithium battery
CN208507853U (en) * 2018-08-31 2019-02-15 成都市银隆新能源产业技术研究有限公司 A kind of lithium battery

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110085778A (en) * 2019-05-30 2019-08-02 广东顺德工业设计研究院(广东顺德创新设计研究院) Battery case, lithium ion battery and Li-ion batteries piles
CN112331969A (en) * 2020-11-13 2021-02-05 河北零点新能源科技有限公司 Structure for improving multiplying power of lithium battery
CN112531219A (en) * 2020-12-19 2021-03-19 江苏芯界新能源科技有限公司 Cell structure of lithium ion battery
CN112993491A (en) * 2021-02-05 2021-06-18 刘昌国 Lithium battery, battery cell and assembly method
CN113097607A (en) * 2021-03-31 2021-07-09 蜂巢能源科技(无锡)有限公司 Lithium battery core, preparation method thereof and battery pack
WO2022237906A1 (en) * 2021-05-14 2022-11-17 Sino-Australia Power Storage Technology (Xi'an) Co, Ltd Connecting device for post and lug of high-capacity battery
WO2023071767A1 (en) * 2021-10-25 2023-05-04 宁德时代新能源科技股份有限公司 Battery cell, battery, and electric device
CN114284644A (en) * 2021-12-22 2022-04-05 远景动力技术(江苏)有限公司 Switching structure and contain its full utmost point ear book core, full utmost point ear battery
CN114284644B (en) * 2021-12-22 2024-02-20 远景动力技术(江苏)有限公司 Switching structure and full-tab winding core and full-tab battery comprising same
CN115051119A (en) * 2022-05-28 2022-09-13 楚能新能源股份有限公司 Lithium ion battery current collection structure
CN115051119B (en) * 2022-05-28 2023-03-28 楚能新能源股份有限公司 Lithium ion battery current collection structure
CN115064842B (en) * 2022-05-28 2023-03-24 楚能新能源股份有限公司 Lithium ion battery current collection structure
CN115064842A (en) * 2022-05-28 2022-09-16 楚能新能源股份有限公司 Lithium ion battery current collection structure

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