CN103022553A - Overlapped type lithium ion battery - Google Patents
Overlapped type lithium ion battery Download PDFInfo
- Publication number
- CN103022553A CN103022553A CN2012105817700A CN201210581770A CN103022553A CN 103022553 A CN103022553 A CN 103022553A CN 2012105817700 A CN2012105817700 A CN 2012105817700A CN 201210581770 A CN201210581770 A CN 201210581770A CN 103022553 A CN103022553 A CN 103022553A
- Authority
- CN
- China
- Prior art keywords
- positive
- barrier film
- fixedly connected
- pole pieces
- 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.)
- Pending
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses an overlapped type lithium ion battery which comprises positive pole pieces, negative pole pieces, isolating members and positive and negative pole ears, wherein the positive pole pieces and the negative pole pieces are stacked in a staggering manner; the isolating members are arranged among the positive pole pieces and the negative pole pieces; output pole ear foils which are fixedly connected with the positive and negative pole ears are respectively arranged on each positive pole piece and each negative pole piece; at the same time, at least one connecting pole ear foil is formed on at least two positive pole pieces or at least two negative pole pieces; and the up and down corresponding connecting pole ear foils are fixedly connected to fixedly connect the corresponding positive pole pieces and negative pole pieces. According to the overlapped type lithium ion battery, by fixedly connecting the positive pole pieces and the negative pole pieces through the connecting pole ear foils, the overall stability of the positive pole pieces and the negative pole pieces is improved, the reliability of the battery is improved, the service life of the battery is prolonged, and the safety performance of the battery is improved; and by effectively fixing pole groups at the upper and lower ends or on the left and right sides, compared with the ordinary stacked battery, the overlapped type lithium ion battery has great improvement on reliability and safety performance and is beneficial for the popularization of a power battery.
Description
Technical field
The present invention relates to technical field of lithium ion, particularly relate to a kind of constitutionally stable stack type lithium ion battery.
Background technology
At present, lithium ion battery has the incomparable advantages of other energy-storage batteries such as energy density is high, quality is light, security performance is good, be successfully applied in various electronic products, communication apparatus, automation instrument and the various electric tool, on electric bicycle, electric automobile, also be widely used, also have temptation for military fields such as space flight, aviation, field operations.
For the laminated batteries of routine, because there is inborn defective in it, be in comparatively freely state between the positive/negative plate, battery is in use procedure, especially when jolting, position relative between the positive/negative plate can change, even the phenomenon that negative plate does not coat positive plate occurs, will cause like this battery to shorten, even battery explosion occur.
Summary of the invention
The objective of the invention is for the technological deficiency that exists in the prior art, and a kind of constitutionally stable stack type lithium ion battery is provided.
For realizing that the technical scheme that purpose of the present invention adopts is:
A kind of stack type lithium ion battery, comprise the positive plate and the negative plate that are staggeredly stacked, be arranged on barrier film and positive and negative lug between positive/negative plate, be respectively arranged with on each positive/negative plate for the output lug paper tinsel that is fixedly connected with positive and negative lug, simultaneously be formed with at least one connecting tab paper tinsel at least two positive plates or negative plate, corresponding connecting tab paper tinsel is fixedly connected with positive plate or negative plate with correspondence and is fixedly connected with up and down.
Described barrier film is the takeup type barrier film, and the compartment of terrain is formed with a plurality of barrier film engaging lugs on the base of described barrier film, and corresponding barrier film engaging lug is fixedly connected with the barrier film with respective layer and is fixedly connected with up and down.
Described barrier film is stacked barrier film, is formed with at least one barrier film engaging lug on side and/or the base of described barrier film, and corresponding barrier film engaging lug is fixedly connected with the membrane layer with correspondence and is fixedly connected with up and down.
Described connecting tab paper tinsel is formed on the dual-side and/or base of positive/negative plate.
Being fixedly connected as between described connecting tab paper tinsel welded or riveted joint.
Be fixedly connected as that heat seal connects or welding between the described barrier film engaging lug.
Compared with prior art, the invention has the beneficial effects as follows:
Laminated Li-ion rechargeable battery of the present invention is fixedly connected with each positive/negative plate by the connecting tab paper tinsel, improves the resistance to overturning of positive/negative plate, then can improve the reliability of battery, prolongs the useful life of battery, improves the security performance of battery.Especially be directed to great-capacity power battery, use battery of the present invention, although slightly having, volume becomes large, but by two ends or the left and right sides are effectively fixed utmost point group up and down, comparing reliability with conventional laminated batteries is greatly improved, security performance obtains huge improvement, is conducive to the popularization of electrokinetic cell.
Description of drawings
Figure 1 shows that first embodiment of the invention utmost point group structural representation;
Figure 2 shows that second embodiment of the invention utmost point group structural representation;
Figure 3 shows that third embodiment of the invention utmost point group structural representation.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Stack type lithium ion battery of the present invention, comprise the positive plate and the negative plate that are staggeredly stacked, be arranged on barrier film and positive and negative lug between positive/negative plate, wherein, be respectively arranged with on each positive/negative plate for the output lug paper tinsel that is fixedly connected with positive and negative lug, be formed with at least one connecting tab paper tinsel on while at least two positive plates or the negative plate, corresponding connecting tab paper tinsel is fixedly connected with positive plate or negative plate with correspondence and is fixedly connected with up and down.Need to prove, for with a utmost point group, the connecting tab paper tinsel that can a correspondence be set on dual-side and/or the base of each positive plate or negative plate, be fixedly connected with all positive plates or negative plate as a whole by being fixedly connected with of connecting tab paper tinsel, also can two or more connecting tab paper tinsels be set at each positive plate or negative plate, can be fixedly connected with all positive plates or negative plate as a whole by being fixedly connected with of connecting tab paper tinsel corresponding about in the of many groups, also can utilize the connecting tab paper tinsel that is crisscross arranged that all positive plates or negative plate are divided into several groups, the positive plate between each group or negative plate correspondence are fixedly connected with by the connecting tab paper tinsel.Also can one or more connecting tab paper tinsels be set at part positive plate or negative plate, then this be provided with the positive plate of practicing level lug paper tinsel or negative plate and connect as a whole or be divided into several groups.
Wherein, described barrier film is the takeup type barrier film, the compartment of terrain is formed with a plurality of barrier film engaging lugs on the base of described barrier film, corresponding barrier film engaging lug is fixedly connected with the heat seal with respective layer and connects or welding up and down, wherein, connection between a plurality of membrane layers can form a fixed connection point by corresponding barrier film engaging lug up and down also can correspondence form a plurality of tie points, with the globality of further raising barrier film.
Wherein said barrier film also can be stacked barrier film, is formed with at least one barrier film engaging lug on side and/or the base of described barrier film, and corresponding barrier film engaging lug is fixedly connected with the membrane layer with correspondence and is fixedly connected with up and down.Wherein, the connection between a plurality of membrane layers can form a fixed connection point by corresponding barrier film engaging lug up and down also can correspondence form a plurality of tie points, with the globality of further raising barrier film.
Figure 1 shows that the first embodiment of the present invention, as shown in Figure 1, be provided with positive output lug paper tinsel 8 in each positive plate 5 top margins left side, on the base of each positive plate, be provided with accordingly up and down positive connecting tab paper tinsel 6 with positive output lug paper tinsel; Be provided with negative output lug paper tinsel 9 at each negative plate 4 top margin right part, on the base of each negative plate 4, be provided with accordingly up and down negative connecting tab paper tinsel 7 with negative output lug paper tinsel 9, to behind positive/negative plate and the barrier film 3 corresponding laminations positive and negative output lug paper tinsel be welded to connect with anode ear 1 and negative electrode lug 2 respectively, simultaneously up and down positive and negative connecting tab paper tinsel welding or the riveted joint of correspondence, positive/negative plate is welded as a whole respectively, can effectively improve its stability, improve Product Safety.
Figure 2 shows that the second embodiment of the present invention, as shown in Figure 2, be provided with positive output lug paper tinsel 28 in each positive plate 25 top margins left side, middle part, limit, left side at each positive plate 25 is provided with positive connecting tab paper tinsel 26, be provided with negative output lug paper tinsel 29 at each negative plate 24 top margin right part, right edge middle part at each negative plate is provided with negative connecting tab paper tinsel 27, to behind positive/negative plate and the barrier film 23 corresponding laminations positive and negative output lug paper tinsel be welded to connect respectively at positive and negative lug, simultaneously up and down positive and negative connecting tab paper tinsel welding or the riveted joint of correspondence, positive/negative plate is welded as a whole respectively, can effectively improve its stability, improve Product Safety.
Figure 3 shows that the third embodiment of the present invention, as shown in Figure 3, be provided with positive output lug paper tinsel 38 in each positive plate 35 top margins left side, on the base of each positive plate 35, be provided with accordingly up and down positive connecting tab paper tinsel 36 with positive output lug paper tinsel; Be provided with negative output lug paper tinsel 39 at each negative plate 34 top margin right part, on the base of each negative plate 34, be provided with accordingly up and down negative connecting tab paper tinsel 37 with negative output lug paper tinsel, be formed with respectively simultaneously left side barrier film engaging lug 331 and right side barrier film engaging lug 332 in the left and right sides, the left and right sides of each stacked barrier film 33, to behind positive/negative plate and the corresponding lamination of barrier film positive and negative output lug paper tinsel be welded to connect respectively at positive and negative lug, simultaneously up and down positive and negative connecting tab paper tinsel welding or the riveted joint of correspondence, positive/negative plate is welded as a whole respectively, then barrier film engaging lug heat seal corresponding on the barrier film is connected, barrier film is connected as a whole, can effectively improve its stability, improve Product Safety.
Above-described embodiment only is exemplary illustrated, for the takeup type barrier film, barrier film lug and connecting tab paper tinsel correspondence is disposed on the purpose that can realize equally the present invention on the base, does not repeat them here.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. stack type lithium ion battery, comprise the positive plate and the negative plate that are staggeredly stacked, be arranged on barrier film and positive and negative lug between positive/negative plate, it is characterized in that, be respectively arranged with on each positive/negative plate for the output lug paper tinsel that is fixedly connected with positive and negative lug, simultaneously be formed with at least one connecting tab paper tinsel at least two positive plates or negative plate, corresponding connecting tab paper tinsel is fixedly connected with positive plate or negative plate with correspondence and is fixedly connected with up and down.
2. stack type lithium ion battery as claimed in claim 1, it is characterized in that, described barrier film is the takeup type barrier film, and the compartment of terrain is formed with a plurality of barrier film engaging lugs on the base of described barrier film, and corresponding barrier film engaging lug is fixedly connected with the barrier film with respective layer and is fixedly connected with up and down.
3. stack type lithium ion battery as claimed in claim 1, it is characterized in that, described barrier film is stacked barrier film, is formed with at least one barrier film engaging lug on side and/or the base of described barrier film, and corresponding barrier film engaging lug is fixedly connected with the membrane layer with correspondence and is fixedly connected with up and down.
4. such as each described stack type lithium ion battery of claim 1-3, it is characterized in that, described connecting tab paper tinsel is formed on the dual-side and/or base of positive/negative plate.
5. such as each described stack type lithium ion battery of claim 1-3, it is characterized in that, being fixedly connected as between described connecting tab paper tinsel welded or riveted joint.
6. such as each described stack type lithium ion battery of claim 1-3, it is characterized in that, be fixedly connected as that heat seal connects or welding between the described barrier film engaging lug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105817700A CN103022553A (en) | 2012-12-27 | 2012-12-27 | Overlapped type lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105817700A CN103022553A (en) | 2012-12-27 | 2012-12-27 | Overlapped type lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103022553A true CN103022553A (en) | 2013-04-03 |
Family
ID=47970859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105817700A Pending CN103022553A (en) | 2012-12-27 | 2012-12-27 | Overlapped type lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103022553A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025347A (en) * | 2016-07-27 | 2016-10-12 | 浙江大学 | High-specific energy density lithium-ion battery |
| CN111900484A (en) * | 2020-07-24 | 2020-11-06 | 合肥国轩高科动力能源有限公司 | Quadrupole ear soft-package battery cell and manufacturing method and application thereof |
| CN112234244A (en) * | 2020-04-30 | 2021-01-15 | 蜂巢能源科技有限公司 | Lithium ion battery |
| CN114597598A (en) * | 2022-02-22 | 2022-06-07 | 岚图汽车科技有限公司 | Power battery and vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1064506A (en) * | 1996-08-19 | 1998-03-06 | Shin Kobe Electric Mach Co Ltd | Square battery |
| JP2006252855A (en) * | 2005-03-09 | 2006-09-21 | Hitachi Vehicle Energy Ltd | Thin secondary battery for high-current discharge and battery module |
| CN202339959U (en) * | 2011-12-16 | 2012-07-18 | 惠州市恒泰科技有限公司 | Multi-winding core lithium ion battery |
-
2012
- 2012-12-27 CN CN2012105817700A patent/CN103022553A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1064506A (en) * | 1996-08-19 | 1998-03-06 | Shin Kobe Electric Mach Co Ltd | Square battery |
| JP2006252855A (en) * | 2005-03-09 | 2006-09-21 | Hitachi Vehicle Energy Ltd | Thin secondary battery for high-current discharge and battery module |
| CN202339959U (en) * | 2011-12-16 | 2012-07-18 | 惠州市恒泰科技有限公司 | Multi-winding core lithium ion battery |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025347A (en) * | 2016-07-27 | 2016-10-12 | 浙江大学 | High-specific energy density lithium-ion battery |
| CN106025347B (en) * | 2016-07-27 | 2019-05-28 | 浙江大学 | A kind of high-energy-density density lithium ion battery |
| CN112234244A (en) * | 2020-04-30 | 2021-01-15 | 蜂巢能源科技有限公司 | Lithium ion battery |
| CN112234244B (en) * | 2020-04-30 | 2022-05-20 | 蜂巢能源科技有限公司 | Lithium ion battery |
| CN111900484A (en) * | 2020-07-24 | 2020-11-06 | 合肥国轩高科动力能源有限公司 | Quadrupole ear soft-package battery cell and manufacturing method and application thereof |
| CN114597598A (en) * | 2022-02-22 | 2022-06-07 | 岚图汽车科技有限公司 | Power battery and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4736580B2 (en) | Bipolar battery, battery pack and vehicle equipped with these batteries | |
| US20160020481A1 (en) | Biopolar battery, manufacturing method thereof and vehicle | |
| CN105981196A (en) | Pouch-type secondary battery including sealing part having recess | |
| US20220006115A1 (en) | Battery, electric apparatus, and cell installation method | |
| US10497989B2 (en) | Battery module including voltage sensing member having receptacle structure | |
| JP2007188746A (en) | Bipolar battery, battery pack, and vehicle mounting their batteries | |
| KR20130097881A (en) | Method for manufacturing a secondary battery and the secondary battery manufactured thereby | |
| JP2010016043A (en) | Electric storage device | |
| US11189886B2 (en) | Stack-type nonaqueous electrolyte secondary battery | |
| CN105977440A (en) | Positive and negative electrode lug connection structure for multi-cell group of flexible-package polymer Li-ion battery | |
| CN115224453B (en) | Battery cell, battery, power consumption device and welding equipment | |
| CN103022553A (en) | Overlapped type lithium ion battery | |
| KR20170045800A (en) | Electrode Current Collector for Secondary Battery having Polymer Resin Layer | |
| CN209912948U (en) | Battery structure | |
| US9843032B2 (en) | Battery module | |
| CN211907615U (en) | Laminated lithium ion battery | |
| WO2019004296A1 (en) | Battery module and method for producing battery module | |
| KR102065736B1 (en) | Method for preparing crude cell for lithium secondary battery | |
| CN211929603U (en) | Multi-pole terminal lithium battery | |
| JP2014175329A (en) | Power storage module and connection method thereof, and bus bar | |
| KR102364930B1 (en) | Battery Pack Comprising coverlay | |
| KR102069512B1 (en) | Electrode Assembly Comprising Two-typed Separators | |
| CN202210556U (en) | Pole piece and laminated lithium ion battery | |
| KR101450951B1 (en) | Electrode lead for secondary battery with improved safety and secondary battery using the same | |
| KR102197360B1 (en) | Electrode Assembly Comprising One-sided Coating Electrode of Improved Mechanical Strength |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130403 |