CN104103850A - Cylindrical lithium ion battery - Google Patents
Cylindrical lithium ion battery Download PDFInfo
- Publication number
- CN104103850A CN104103850A CN201310122156.2A CN201310122156A CN104103850A CN 104103850 A CN104103850 A CN 104103850A CN 201310122156 A CN201310122156 A CN 201310122156A CN 104103850 A CN104103850 A CN 104103850A
- Authority
- CN
- China
- Prior art keywords
- pole
- compressed grooves
- lithium ion
- ion battery
- negative
- 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.)
- Granted
Links
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 34
- 239000000758 substrate Substances 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 11
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 6
- 239000011149 active material Substances 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052493 LiFePO4 Inorganic materials 0.000 claims description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 9
- 210000005069 ears Anatomy 0.000 abstract 1
- 238000005476 soldering Methods 0.000 abstract 1
- 239000003792 electrolyte Substances 0.000 description 5
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 4
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 4
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/538—Connection of several leads or tabs of wound or folded electrode stacks
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a cylindrical lithium ion battery, which comprises an electric core, a positive plate, a negative plate, a positive pole column and a negative pole column, the electric core is prepared by coiling a positive pole piece, a diaphragm and a negative pole piece, one end of the electric core is provided with a positive pole ear, the other end of the electric core is provided with a negative pole ear, the positive plate is stamped with a first clamping groove, a positive plate side face back to the first clamping groove is closely attached to the end face of the positive pole ear, and welded and fixed by the first clamping groove; the negative plate is stamped with a second clamping groove, the negative plate side face back to the second clamping groove is closely attached to the end face of the negative pole ear, and welded and fixed by the second clamping groove. Because of adopting of the structure of the cylindrical lithium ion battery, pole ears can be partially pressed and easily pressed, the cylindrical lithium ion battery is easy to realize the electric connection through laser welding, and prevents the pseudo soldering, unsoldering and other phenomena; and the groove structure can also strengthen the pole plates, prevents pole plate fracture caused by longitudinal pressure on the cylindrical lithium ion battery, and helps to improve the safety performance of the battery.
Description
Technical field
The present invention relates to battery, particularly relate to a kind of cylindrical lithium ion battery.
Background technology
For meeting the ev industry of development to the demand of capacity of lithium ion battery, there is the annular lithium ion battery of high power capacity and the exploitation of cylindrical lithium ion battery and receive society's concern greatly.
The electric connection structure of existing lithium ion battery is generally the electric connection structure that adopts collector, pole plate, lug and pole, and between collector and pole plate, general ultrasonic bonding or the laser welded seal of adopting connects.Along with the high capacity of battery, the thickness of collector increases, and the welding difficulty of pole plate continues to increase, and easily causes the problem of sealing-off and rosin joint, causes the high rate performance of battery impaired.To take volume large for this kind of electric connection structure in addition, easily affects the volume capacity density of battery.Therefore normal consideration is directly directly exerted pressure pole plate to the collector end face of electrical core coiling body, adopts laser welding to be fixedly connected with.But, due to the thin thickness of collector, soft yielding, exert pressure and easily make battery core become curved, distortion, cause electrical core coiling body to become large or evagination, cause, electrical core coiling body can not enter shell or the short circuit with shell conducting, and directly exert pressure on electrical core coiling body end face, due to face deformation out-of-flatness, can cause with collector bonding area littlely, weld strength is low, thereby cause rosin joint or sealing-off phenomenon, easily make the reduction of battery capacity.
Summary of the invention
For above-mentioned prior art present situation, technical problem to be solved by this invention is, a kind of cylindrical lithium ion battery is provided, between its pole plate and lug, easily compress, and be not easy to cause that battery core becomes large or evagination phenomenon, to solve because capacity causes greatly into shell difficulty, weld difficult problem.
In order to solve the problems of the technologies described above, a kind of lithium ion battery provided by the present invention, comprise battery core, anode plate, negative plates, Positive Poles and negative pole pole, described battery core is formed by positive plate, barrier film and negative plate coiling central tube, there is the positive pole ear that is extended axially the uncoated active material forming by described positive plate one end of described battery core, and the other end has the negative lug that is extended axially the uncoated active material forming by described negative plate; Described anode plate is loop configuration, on it, be provided with the first pole column hole and the first inlet opening, this anode plate is fixedly connected with described positive pole ear, described negative plates is loop configuration, on it, be provided with the second pole column hole and the second inlet opening, this negative plates is fixedly connected with described negative lug, one end of described Positive Poles is arranged in described the first pole column hole and with described anode plate and is fixedly connected with, and one end of described negative pole pole is arranged in described the second pole column hole and with described negative plates and is fixedly connected with; Described anode plate upper punch is pressed with the first compressed grooves, described anode plate with described the first compressed grooves back to side and the end face of described positive pole ear be close to, and be welded and fixed by described the first compressed grooves; Described negative plates upper punch is pressed with the second compressed grooves, described negative plates with described the second compressed grooves back to side and the end face of described negative lug be close to, and be welded and fixed by described the second compressed grooves.
In an embodiment, described the first compressed grooves connects described anode plate along the radial direction of described anode plate therein, and described the second compressed grooves connects described negative plates along the radial direction of described negative plates.
In an embodiment, the quantity of described the first compressed grooves is 1～10 therein, and the quantity of described the second compressed grooves is 1～10.
In an embodiment, the first compressed grooves of described anode plate becomes " X " shape to distribute therein, and described second compressed grooves of described negative plates becomes " X " shape to distribute.
In an embodiment, the degree of depth of described the first compressed grooves is 0.3～5mm therein, and the degree of depth of described the second compressed grooves is 0.3～5mm.
Therein in an embodiment, described anode plate comprises the first fixed part and remaining first substrate portion with described the first compressed grooves, the edge of described first substrate portion is provided with first projection of extending to described the first compressed grooves side, and this first projection is surrounded on the outside of described Positive Poles and is welded and fixed with described Positive Poles; Described negative plates comprises the second fixed part and remaining second substrate portion with described the second compressed grooves, the edge of described second substrate portion is provided with second projection of extending to described the second compressed grooves side, and this second projection is surrounded on the outside of described negative pole pole and is welded and fixed with described negative pole pole.
Therein in an embodiment, the radius of described the first fixed part is more than or equal to the radius of described first substrate portion, and the radius of described the second fixed part is more than or equal to the radius of described second substrate portion.
In an embodiment, the material of described anode plate is aluminum or aluminum alloy therein, and the material of described negative pole pole is aluminium, aluminium alloy, copper or Cu alloy material.
In an embodiment, the positive electrode of described lithium ion battery is LiFePO4, LiMn2O4 or ternary material therein.
In an embodiment, the negative material of described lithium ion battery is graphite or lithium titanate therein.
Cylindrical lithium ion battery provided by the present invention, owing to being respectively arranged with at anode plate and negative plates the first compressed grooves and the second compressed grooves that punching press forms, can locally compress lug, easily compress, be convenient to realize electrical connection by laser welding, prevented the phenomenon of rosin joint, sealing-off; And groove structure can also reinforce pole plate, while preventing from longitudinally exerting pressure to battery, cause pole plate fracture, contribute to improve the security performance of battery.
Brief description of the drawings
Fig. 1 is the top perspective schematic diagram of the anode plate of the lithium ion battery in the embodiment of the present invention one
Fig. 2 is the schematic perspective view of looking up of anode plate in Fig. 1;
Fig. 3 is anode plate in Fig. 1 and the connection diagram of positive pole ear and Positive Poles;
Fig. 4 is the top perspective schematic diagram of the anode plate of the lithium ion battery in the embodiment of the present invention two;
Fig. 5 be the lithium ion battery in the embodiment of the present invention two anode plate look up schematic perspective view.
Above in each figure, 10, positive pole ear; 11, the end face of positive pole ear; 20, anode plate; 21, the first fixed part; 211, the first compressed grooves; 22, first substrate portion; 221, the first projection; 23, the first pole column hole; 24, the first inlet opening; 30, Positive Poles.
Embodiment
Below with reference to accompanying drawing, also the present invention is described in detail in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, the feature in following embodiment and embodiment can combine mutually.
Embodiment mono-
The cylindrical lithium ion battery of the present embodiment comprises battery core, anode plate, negative plates, Positive Poles and negative pole pole, battery core is formed by positive plate, barrier film and negative plate coiling central tube, there is the positive pole ear that is extended axially the uncoated active material forming by described positive plate one end of battery core, and the other end of battery core has the negative lug that is extended axially the uncoated active material forming by described negative plate.Preferably, the material of described anode plate is aluminum or aluminum alloy, and the material of described negative pole pole is aluminium, aluminium alloy, copper and Cu alloy material.Preferably, described positive pole ear is LiFePO4, LiMn2O4, ternary material.Described negative lug is graphite or lithium titanate.
Negative lug is similar to the connected mode of anode plate 20, Positive Poles to positive pole ear 10 to the connected mode of negative plates, negative pole pole, thus with just very example the present invention will be described.
As shown in Figure 1, 2, centered by anode plate 20 in the present embodiment, there is the loop configuration of the first pole column hole 23, it comprises first substrate portion 22 and the first fixed part 21 for being connected with positive pole ear 10, the radius of the first fixed part 21 is greater than the radius of first substrate portion 22, on the first fixed part 21, is formed with the first compressed grooves 211 through punching press.Preferably, the first compressed grooves 211 connects described anode plate 20 along the radial direction of described anode plate 20, is convenient to electrolyte and flows in the first compressed grooves 211, accelerates electrolyte wetting property.The quantity of described the first compressed grooves 211 is 1～10, is preferably 4, and 211 one-tenth " X " shapes of 4 the first compressed grooves distribute.Preferably, the degree of depth of described the first compressed grooves 211 is 0.3～5mm.In first substrate portion 22 or the first compressed grooves 211, be provided with multiple the first inlet openings 24.Preferably, the edge of described first substrate portion 22 is provided with first projection 221 of extending to described the first compressed grooves 211 sides.On the one hand, the first projection 221 can be convenient to realize laser welding with Positive Poles and be fixedly connected with, on the other hand, the first projection 221 can be reinforced anode plate 20, while preventing from longitudinally exerting pressure to battery, directly stressed to the substrate of pole plate, cause pole plate fracture, contribute to improve the security performance of battery.
As shown in Figure 3, when assembling, anode plate 20 with the first compressed grooves 211 back to side and the end face 11 of positive pole ear 10 be close to, and fix by the first compressed grooves 211 laser welding; One end of Positive Poles 30 is arranged in the first pole column hole 23, is connected, and is fixedly connected with by laser welding with the first projection 221 with the first substrate portion 22 of anode plate 20.
Lithium ion battery in the present embodiment, owing to being respectively arranged with at anode plate 20 and negative plates the first compressed grooves 211 and the second compressed grooves that punching press forms, in the time that anode plate 20 and positive pole ear 10 are fixed, only compress the first compressed grooves 211, and along the first compressed grooves 211 position laser welding, reduced the lifting surface area between anode plate 20 and positive pole ear 10, easily compress, be convenient to realize electrical connection by laser welding, prevented the phenomenon of rosin joint, sealing-off; And, Positive Poles 30 and negative pole pole are separately positioned in first substrate portion 22 and second substrate portion, directly be not connected with the first compressed grooves 211 and the second compressed grooves, be convenient to electrolyte and flow in the first compressed grooves 211 and the second compressed grooves, accelerate electrolyte wetting property; In addition, the setting of the first inlet opening 24 and the second inlet opening, contributes to electrolyte to flow into fast battery core inside.
Embodiment bis-
As shown in Figure 4,5, the structure of the lithium ion battery in the present embodiment is substantially identical with embodiment mono-, difference is: first external diameter of projection 221 of described anode plate 20 is identical with the external diameter of first substrate, and the first inlet opening 24 comprises the space of 4 arcuate structures in first substrate portion 22.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore 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 cylindrical lithium ion battery, comprise battery core, anode plate, negative plates, Positive Poles and negative pole pole, described battery core is formed by positive plate, barrier film and negative plate coiling central tube, there is the positive pole ear that is extended axially the uncoated active material forming by described positive plate one end of described battery core, and the other end has the negative lug that is extended axially the uncoated active material forming by described negative plate; Described anode plate is loop configuration, on it, be provided with the first pole column hole and the first inlet opening, this anode plate is fixedly connected with described positive pole ear, described negative plates is loop configuration, on it, be provided with the second pole column hole and the second inlet opening, this negative plates is fixedly connected with described negative lug, one end of described Positive Poles is arranged in described the first pole column hole and with described anode plate and is fixedly connected with, and one end of described negative pole pole is arranged in described the second pole column hole and with described negative plates and is fixedly connected with; It is characterized in that, described anode plate upper punch is pressed with the first compressed grooves, described anode plate with described the first compressed grooves back to side and the end face of described positive pole ear be close to, and be welded and fixed by described the first compressed grooves; Described negative plates upper punch is pressed with the second compressed grooves, described negative plates with described the second compressed grooves back to side and the end face of described negative lug be close to, and be welded and fixed by described the second compressed grooves.
2. cylindrical lithium ion battery according to claim 1, it is characterized in that, described the first compressed grooves connects described anode plate along the radial direction of described anode plate, and described the second compressed grooves connects described negative plates along the radial direction of described negative plates.
3. cylindrical lithium ion battery according to claim 2, is characterized in that, the quantity of described the first compressed grooves is 1～10, and the quantity of described the second compressed grooves is 1～10.
4. cylindrical lithium ion battery according to claim 2, is characterized in that, the first compressed grooves of described anode plate becomes " X " shape to distribute, and described second compressed grooves of described negative plates becomes " X " shape to distribute.
5. cylindrical lithium ion battery according to claim 2, is characterized in that, the degree of depth of described the first compressed grooves is 0.3～5mm, and the degree of depth of described the second compressed grooves is 0.3～5mm.
6. cylindrical lithium ion battery according to claim 2, it is characterized in that, described anode plate comprises the first fixed part and remaining first substrate portion with described the first compressed grooves, the edge of described first substrate portion is provided with first projection of extending to described the first compressed grooves side, and this first projection is surrounded on the outside of described Positive Poles and is welded and fixed with described Positive Poles; Described negative plates comprises the second fixed part and remaining second substrate portion with described the second compressed grooves, the edge of described second substrate portion is provided with second projection of extending to described the second compressed grooves side, and this second projection is surrounded on the outside of described negative pole pole and is welded and fixed with described negative pole pole.
7. cylindrical lithium ion battery according to claim 6, is characterized in that, the radius of described the first fixed part is more than or equal to the radius of described first substrate portion, and the radius of described the second fixed part is more than or equal to the radius of described second substrate portion.
8. cylindrical lithium ion battery according to claim 1, is characterized in that, the material of described anode plate is aluminum or aluminum alloy, and the material of described negative pole pole is aluminium, aluminium alloy, copper or Cu alloy material.
9. according to the cylindrical lithium ion battery described in any one in claim 1 to 8, it is characterized in that, the positive electrode of described lithium ion battery is LiFePO4, LiMn2O4 or ternary material.
10. according to the cylindrical lithium ion battery described in any one in claim 1 to 8, it is characterized in that, the negative material of described lithium ion battery is graphite or lithium titanate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310122156.2A CN104103850B (en) | 2013-04-09 | 2013-04-09 | Cylindrical lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310122156.2A CN104103850B (en) | 2013-04-09 | 2013-04-09 | Cylindrical lithium ion battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104103850A true CN104103850A (en) | 2014-10-15 |
| CN104103850B CN104103850B (en) | 2016-06-15 |
Family
ID=51671799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310122156.2A Active CN104103850B (en) | 2013-04-09 | 2013-04-09 | Cylindrical lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104103850B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987790A (en) * | 2018-08-31 | 2018-12-11 | 成都市银隆新能源产业技术研究有限公司 | A kind of lithium battery |
| CN110931887A (en) * | 2019-11-16 | 2020-03-27 | 银隆新能源股份有限公司 | Lithium battery roll core pole piece, lithium battery roll core preparation method and cylindrical lithium battery |
| 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 |
| CN115189034A (en) * | 2022-08-11 | 2022-10-14 | 宁夏宝丰昱能科技有限公司 | Manufacturing method of pole core, pole core and square battery |
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|---|---|---|---|---|
| JPS5553066A (en) * | 1978-10-14 | 1980-04-18 | Yuasa Battery Co Ltd | Manufacturing method of lead accumulator |
| CN2870179Y (en) * | 2005-11-30 | 2007-02-14 | 中国电子科技集团公司第十八研究所 | Lithium-ion accumulator combined cover |
| US20110008650A1 (en) * | 2009-07-09 | 2011-01-13 | Samsung Sdi Co., Ltd. | Battery pack |
| CN102810693A (en) * | 2011-06-02 | 2012-12-05 | 珠海银通新能源有限公司 | Lithium ion power battery |
| CN203260684U (en) * | 2013-04-09 | 2013-10-30 | 珠海银通新能源有限公司 | Cylindrical lithium ion battery |
-
2013
- 2013-04-09 CN CN201310122156.2A patent/CN104103850B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5553066A (en) * | 1978-10-14 | 1980-04-18 | Yuasa Battery Co Ltd | Manufacturing method of lead accumulator |
| CN2870179Y (en) * | 2005-11-30 | 2007-02-14 | 中国电子科技集团公司第十八研究所 | Lithium-ion accumulator combined cover |
| US20110008650A1 (en) * | 2009-07-09 | 2011-01-13 | Samsung Sdi Co., Ltd. | Battery pack |
| CN102810693A (en) * | 2011-06-02 | 2012-12-05 | 珠海银通新能源有限公司 | Lithium ion power battery |
| CN203260684U (en) * | 2013-04-09 | 2013-10-30 | 珠海银通新能源有限公司 | Cylindrical lithium ion battery |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987790A (en) * | 2018-08-31 | 2018-12-11 | 成都市银隆新能源产业技术研究有限公司 | A kind of lithium battery |
| CN110931887A (en) * | 2019-11-16 | 2020-03-27 | 银隆新能源股份有限公司 | Lithium battery roll core pole piece, lithium battery roll core preparation method and cylindrical lithium battery |
| 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 |
| CN115189034A (en) * | 2022-08-11 | 2022-10-14 | 宁夏宝丰昱能科技有限公司 | Manufacturing method of pole core, pole core and square battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104103850B (en) | 2016-06-15 |
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Inventor after: Xu Delei Inventor after: Zhang Weiying Inventor after: Cai Huiqun Inventor after: Luo Xiaohua Inventor after: Wei Yincang Inventor after: Zhang Bin Inventor after: Peng Xinyi Inventor before: Xu Delei Inventor before: Zhang Weiying Inventor before: Cai Huiqun Inventor before: Luo Xiaohua Inventor before: Wei Yincang Inventor before: Zhang Bing Inventor before: Peng Xinyi |
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Address after: 519000 Guangdong Province, Zhuhai City Road Jida Huajing Les Loges Du Park Hotel Building 1 Patentee after: Zhuhai silver dragon new energy Limited by Share Ltd. Address before: 519000 Guangdong Province, Zhuhai City Road Jida Huajing Les Loges Du Park Hotel Building 1 Patentee before: Zhuhai Yinlong New Energy Co.,Ltd. |
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Address after: 519000 Guangdong province Zhuhai City Sanzao town Jinwan District Jinhu Road No. 16 Patentee after: YINLONG ENERGY Co.,Ltd. Address before: 519000 Guangdong Province, Zhuhai City Road Jida Huajing Les Loges Du Park Hotel Building 1 Patentee before: Zhuhai silver dragon new energy Limited by Share Ltd. |
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Denomination of invention: Cylindrical lithium ion battery with over charging protective function and its preparing method Effective date of registration: 20181127 Granted publication date: 20160615 Pledgee: Zhuhai Branch of China Construction Bank Co.,Ltd. Pledgor: YINLONG ENERGY Co.,Ltd. Registration number: 2018980000222 |