CN204927442U - Tail welds formula power type battery - Google Patents
Tail welds formula power type battery Download PDFInfo
- Publication number
- CN204927442U CN204927442U CN201520735162.XU CN201520735162U CN204927442U CN 204927442 U CN204927442 U CN 204927442U CN 201520735162 U CN201520735162 U CN 201520735162U CN 204927442 U CN204927442 U CN 204927442U
- Authority
- CN
- China
- Prior art keywords
- positive
- battery
- lug
- battery core
- negative plate
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model relates to a lithium battery technology field especially relates to a tail welds formula power type battery. The utility model discloses a tail welds formula power type battery, including first positive and negative pole piece, still include the positive and negative pole piece of second, first positive and negative pole piece is convoluteed and is constituteed first electric core, and the positive and negative pole piece of second is convoluteed and is constituteed second electricity core, at least one first electric core is connected with at least one second electricity core cascade arrangement and electricity. At least one first electric core is connected with at least one second electricity core cascade arrangement and electricity, and the restriction of single electric core maximum power and full capacity can be broken through to the battery, is convenient for increase substantially power of battery and expansion battery capacity, can produce the lithium cell more than the thickness 10mm, simultaneously convenient electric core welding and battery encapsulation.
Description
Technical field
The utility model relates to technical field of lithium batteries, particularly relates to a kind of tail weldering formula power type battery.
Background technology
Nowadays portable type electronic product has become requisite instrument, and people meet growing demand in the urgent need to high-power battery.Existing lithium ion battery is obtained by both positive and negative polarity pole piece coiling mostly, and pole piece is coated with active material layer, is welded with lug, and winding battery core manufacture craft is simple, is suitable for mass production.Application number be 201010216584.8 patent application provide a kind of method for manufacturing cells of power lithium ion batteries, the one side that its both positive and negative polarity pole piece is covered with active material is relative, therebetween one deck barrier film, after S shape is folding, both positive and negative polarity multi pole ears overlaps respectively, finally with the semi-finished product battery Corner Strapped that gummed paper will fold, although extend the power of battery to a certain extent, but complex manufacturing, production cost is high, be unfavorable for large-scale production, be unfavorable for the power improving battery further, be unfavorable for the popularization of high-power battery.
Utility model content
The purpose of this utility model is to provide a kind of tail to weld formula power type battery for the deficiencies in the prior art, and production technology is simple, is convenient to increase substantially the power of battery and expansion battery capacity.
For achieving the above object, a kind of tail weldering formula power type battery of the present utility model, comprises the first positive/negative plate, also comprises the second positive/negative plate, the first positive/negative plate winding composition first battery core, the second positive/negative plate winding composition second battery core; At least one first battery core and at least one second battery core arranged stacked and electrical connection.
Preferably, described first battery core and at least one second battery core arranged stacked.
Preferably, described first positive/negative plate is provided with the first lug at the arbitrary position of stem, middle part and afterbody, second positive/negative plate is provided with the second lug exit at the arbitrary position of stem, middle part and afterbody, and the first lug and the second lug exit are electrically connected and are arranged in the two ends of power type battery.
Preferably, described first lug is provided with lug tail, and lug tail extends the end face of the first positive/negative plate, and lug tail is electrically connected with the second lug exit.
Preferably, described lug tail welds with at least one second lug exit.
The beneficial effects of the utility model: the first positive/negative plate comprises positive plate and negative plate two kinds, a positive plate and negative plate winding composition first battery core; Second positive/negative plate also comprises positive plate and negative plate two kinds, a positive plate and negative plate winding composition second battery core; At least one first battery core and at least one second battery core arranged stacked and electrical connection, battery can break through the restriction of single battery core maximum power and heap(ed) capacity, be convenient to increase substantially the power of battery and expansion battery capacity, the lithium battery of more than thickness 10mm can be produced; Lug tail is electrically connected with at least one second lug exit, is conducive to improving welding stability and reducing the damage of welding to tab, and head tab is by automatic sheet machine operation simultaneously, and alignment consistency is good, and package reliability is high; Multiple battery core is parallel with the displacement being beneficial to electric charge, improves homogeneous current distribution degree, reduces discharge and recharge temperature rise, reduces the internal resistance of cell, is conducive to promoting the doubly forthright of battery core further; Manufacturing process is simple, can rely on existing single battery core lithium battery production technology and equipments, is conducive to reducing production cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first positive/negative plate of the present utility model and the second positive/negative plate.
Fig. 2 is the structural representation of the first battery core of the present utility model and the second battery core.
Fig. 3 is structural representation of the present utility model.
Fig. 4 is the first positive/negative plate of another embodiment of the utility model and the structural representation of the second positive/negative plate.
Fig. 5 is the first positive/negative plate of the another embodiment of the utility model and the structural representation of the second positive/negative plate.
Reference numeral comprises:
1-the first battery core 11-the first positive/negative plate 12-the first lug
13-lug tail
2-the second battery core 21-the second positive/negative plate 22-the second lug exit.
Embodiment
Below in conjunction with accompanying drawing 1-5, the utility model is described in detail.
Embodiment one.
As shown in accompanying drawing 1-5, a kind of tail weldering formula power type battery of the present utility model, comprises the first positive/negative plate 11, also comprises the second positive/negative plate 21, first positive/negative plate 11 composition first battery core 1, second positive/negative plate 21 that reels and to reel composition second battery core 2; First battery core 1 and the second battery core 2 arranged stacked and electrical connection.The first concrete positive/negative plate 11 comprises positive plate and negative plate two kinds, and a positive plate and a negative plate add middle insulation diaphragm winding composition first battery core 1; Second positive/negative plate 21 also comprises positive plate and negative plate two kinds, and a positive plate and a negative plate add middle insulation diaphragm winding composition second battery core 2; At least one first battery core 1 and at least one second battery core 2 arranged stacked and electrical connection, available insulation diaphragm interval between first battery core 1 and at least one the second battery core 2, uniform intervals is answered to arrange, to improve homogeneous current distribution degree when preferably multiple first battery core 1 and multiple second battery core 2 are electrically connected; Battery can break through the restriction of single battery core maximum power and heap(ed) capacity, is convenient to increase substantially the power of battery and expansion battery capacity, can produce the lithium battery of more than thickness 10mm; Multiple battery core is parallel with the displacement being beneficial to electric charge, improves homogeneous current distribution degree, reduces discharge and recharge temperature rise, reduces the internal resistance of cell, is conducive to promoting the doubly forthright of battery core further; Manufacturing process is simple, can rely on existing single battery core lithium battery production technology and equipments, is conducive to reducing production cost.
In the present embodiment, described first battery core 1 and at least one second battery core 2 arranged stacked.Concrete, positive pole ear and negative lug can be set in the first battery core 1, first battery core 1 with positive pole ear and negative lug can with multiple second battery core 2 arranged stacked, be conducive to reducing battery cost, be convenient to the first battery core 1 and the second battery core 2 is electrically connected, the first battery core 1 and the second battery core 2 can be welded with sheet metal thus realize being electrically connected.
As shown in Figure 3, in the present embodiment, described first positive/negative plate 11 is provided with the first lug 12, second positive/negative plate 21 in stem and is provided with the second lug exit 22, first lug 12 and the second lug exit 22 is electrically connected and is arranged in the two ends of power type battery in stem.Concrete, the first lug 12 and the second lug exit 22, by welding thus realizing electrical connection, improve homogeneous current distribution degree further, reduce discharge and recharge temperature rise, reduce the internal resistance of cell, be conducive to improving the power of battery further.
In the present embodiment, described first lug 12 is provided with lug tail 13, and lug tail 13 extends the end face of the first positive/negative plate 11, and lug tail 13 is electrically connected with at least one second lug exit 22.Second battery core 2 is directly electrically connected with the lug of the first battery core 1; A kind of tail weldering formula power type battery of the present utility model, be conducive to improving welding stability and reducing the damage of welding to tab, head tab is by automatic sheet machine operation simultaneously, and alignment consistency is good, and package reliability is high; Multiple battery core is parallel with the displacement being beneficial to electric charge, is conducive to improving homogeneous current distribution degree further, promotes the doubly forthright of battery core further.Preferred further, described lug tail 13 welds with the second lug exit 22.
Embodiment two.
The present embodiment and embodiment one difference are, described first positive/negative plate 11 is provided with the first lug 12, second positive/negative plate 21 and is provided with the second lug exit 22 at middle part at middle part.A kind of tail weldering formula power type battery of the present embodiment, is conducive to the displacement of electric charge, improves homogeneous current distribution degree, reduce discharge and recharge temperature rise, reduce the internal resistance of cell, be conducive to promoting the doubly forthright of battery core further; Manufacturing process is simple, can rely on existing single battery core lithium battery production technology and equipments, is conducive to reducing production cost.
The remainder of the present embodiment is identical with embodiment one, in the present embodiment unaccounted feature, all adopts the explanation of embodiment one, no longer repeats here.
Embodiment three.
The present embodiment and embodiment one difference are, described first positive/negative plate 11 is provided with the first lug 12, second positive/negative plate 21 at afterbody and afterbody is provided with the second lug exit 22.A kind of tail weldering formula power type battery of the present embodiment, is conducive to the displacement of electric charge, improves homogeneous current distribution degree, reduce discharge and recharge temperature rise, reduce the internal resistance of cell, be conducive to promoting the doubly forthright of battery core further; Manufacturing process is simple, can rely on existing single battery core lithium battery production technology and equipments, is conducive to reducing production cost.
The remainder of the present embodiment is identical with embodiment one, in the present embodiment unaccounted feature, all adopts the explanation of embodiment one, no longer repeats here.
Embodiment four.
The present embodiment and embodiment one difference are, described first positive/negative plate 11 is provided with the first lug 12, second positive/negative plate 21 in stem and middle part is provided with the second lug exit 22.A kind of tail weldering formula power type battery of the present embodiment, is conducive to the displacement of electric charge, improves homogeneous current distribution degree, reduce discharge and recharge temperature rise, reduce the internal resistance of cell, be conducive to promoting the doubly forthright of battery core further; Manufacturing process is simple, can rely on existing single battery core lithium battery production technology and equipments, is conducive to reducing production cost.
The remainder of the present embodiment is identical with embodiment one, in the present embodiment unaccounted feature, all adopts the explanation of embodiment one, no longer repeats here.A kind of tail weldering formula power type battery of the present embodiment, is conducive to the displacement of electric charge, improves homogeneous current distribution degree, reduce discharge and recharge temperature rise, reduce the internal resistance of cell, be conducive to promoting the doubly forthright of battery core further; Manufacturing process is simple, can rely on existing single battery core lithium battery production technology and equipments, is conducive to reducing production cost.
Embodiment five.
The present embodiment and embodiment one difference are, described first positive/negative plate 11 is provided with the first lug 12, second positive/negative plate 21 in stem and afterbody is provided with the second lug exit 22.A kind of tail weldering formula power type battery of the present embodiment, is conducive to the displacement of electric charge, improves homogeneous current distribution degree, reduce discharge and recharge temperature rise, reduce the internal resistance of cell, be conducive to promoting the doubly forthright of battery core further; Manufacturing process is simple, can rely on existing single battery core lithium battery production technology and equipments, is conducive to reducing production cost.
The remainder of the present embodiment is identical with embodiment one, in the present embodiment unaccounted feature, all adopts the explanation of embodiment one, no longer repeats here.
Embodiment six.
The present embodiment and embodiment one difference are, described first positive/negative plate 11 is provided with the first lug 12, second positive/negative plate 21 and stem is provided with the second lug exit 22 at middle part.A kind of tail weldering formula power type battery of the present embodiment, is conducive to the displacement of electric charge, improves homogeneous current distribution degree, reduce discharge and recharge temperature rise, reduce the internal resistance of cell, be conducive to promoting the doubly forthright of battery core further; Manufacturing process is simple, can rely on existing single battery core lithium battery production technology and equipments, is conducive to reducing production cost.
The remainder of the present embodiment is identical with embodiment one, in the present embodiment unaccounted feature, all adopts the explanation of embodiment one, no longer repeats here.
Embodiment seven.
The present embodiment and embodiment one difference are, described first positive/negative plate 11 is provided with the first lug 12, second positive/negative plate 21 and afterbody is provided with the second lug exit 22 at middle part.A kind of tail weldering formula power type battery of the present embodiment, is conducive to the displacement of electric charge, improves homogeneous current distribution degree, reduce discharge and recharge temperature rise, reduce the internal resistance of cell, be conducive to promoting the doubly forthright of battery core further; Manufacturing process is simple, can rely on existing single battery core lithium battery production technology and equipments, is conducive to reducing production cost.
The remainder of the present embodiment is identical with embodiment one, in the present embodiment unaccounted feature, all adopts the explanation of embodiment one, no longer repeats here.
Embodiment eight.
The present embodiment and embodiment one difference are, described first positive/negative plate 11 is provided with the first lug 12, second positive/negative plate 21 at afterbody and stem is provided with the second lug exit 22.A kind of tail weldering formula power type battery of the present embodiment, is conducive to the displacement of electric charge, improves homogeneous current distribution degree, reduce discharge and recharge temperature rise, reduce the internal resistance of cell, be conducive to promoting the doubly forthright of battery core further; Manufacturing process is simple, can rely on existing single battery core lithium battery production technology and equipments, is conducive to reducing production cost.
The remainder of the present embodiment is identical with embodiment one, in the present embodiment unaccounted feature, all adopts the explanation of embodiment one, no longer repeats here.
Embodiment nine.
The present embodiment and embodiment one difference are, described first positive/negative plate 11 is provided with the first lug 12, second positive/negative plate 21 at afterbody and middle part is provided with the second lug exit 22.A kind of tail weldering formula power type battery of the present embodiment, is conducive to the displacement of electric charge, improves homogeneous current distribution degree, reduce discharge and recharge temperature rise, reduce the internal resistance of cell, be conducive to promoting the doubly forthright of battery core further; Manufacturing process is simple, can rely on existing single battery core lithium battery production technology and equipments, is conducive to reducing production cost.
The remainder of the present embodiment is identical with embodiment one, in the present embodiment unaccounted feature, all adopts the explanation of embodiment one, no longer repeats here.
Known the utility model is have above-described good characteristic in sum, is made it in use, promotes in conventional art the usefulness that do not have and has practicality, becoming the product that has practical value.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (5)
1. a tail weldering formula power type battery, comprise the first positive/negative plate (11), it is characterized in that: also comprise the second positive/negative plate (21), the first positive/negative plate (11) winding composition first battery core (1), the second positive/negative plate (21) winding composition second battery core (2); At least one first battery core (1) and at least one the second battery core (2) arranged stacked and electrical connection.
2. a kind of tail weldering formula power type battery according to claim 1, is characterized in that: described first battery core (1) and at least one the second battery core (2) arranged stacked.
3. a kind of tail weldering formula power type battery according to claim 1, it is characterized in that: described first positive/negative plate (11) is provided with the first lug (12) at the arbitrary position of stem, middle part and afterbody, second positive/negative plate (21) is provided with the second lug exit (22) at the arbitrary position of stem, middle part and afterbody, and the first lug (12) and the second lug exit (22) are electrically connected and are arranged in the two ends of power type battery.
4. a kind of tail weldering formula power type battery according to claim 3, it is characterized in that: described first lug (12) is provided with lug tail (13), lug tail (13) extends the end face of the first positive/negative plate (11), and lug tail (13) is electrically connected with at least one second lug exit (22).
5. a kind of tail weldering formula power type battery according to claim 4, is characterized in that: described lug tail (13) is welded with the second lug exit (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520735162.XU CN204927442U (en) | 2015-09-22 | 2015-09-22 | Tail welds formula power type battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520735162.XU CN204927442U (en) | 2015-09-22 | 2015-09-22 | Tail welds formula power type battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204927442U true CN204927442U (en) | 2015-12-30 |
Family
ID=54976544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520735162.XU Active CN204927442U (en) | 2015-09-22 | 2015-09-22 | Tail welds formula power type battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204927442U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108390106A (en) * | 2018-02-28 | 2018-08-10 | 北京国能电池科技股份有限公司 | A kind of battery and preparation method thereof |
| CN113036315A (en) * | 2019-12-25 | 2021-06-25 | 华为技术有限公司 | Battery and terminal equipment |
-
2015
- 2015-09-22 CN CN201520735162.XU patent/CN204927442U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108390106A (en) * | 2018-02-28 | 2018-08-10 | 北京国能电池科技股份有限公司 | A kind of battery and preparation method thereof |
| CN113036315A (en) * | 2019-12-25 | 2021-06-25 | 华为技术有限公司 | Battery and terminal equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105355962B (en) | A kind of preparation method of takeup type laminated batteries | |
| CN207320232U (en) | A kind of lithium ion battery negative electrode and lithium ion battery | |
| CN102683751B (en) | High-capacity high-magnification square lithium ion power battery and manufacturing method thereof | |
| CN102664285A (en) | Lithium ion battery and combination method of pole pieces thereof | |
| CN108808059A (en) | A kind of stacked secondary cell and preparation method thereof stacked based on intersection | |
| CN202662698U (en) | Cylindrical lithium ion battery | |
| CN205159450U (en) | Well play utmost point ear formula electric core of coiling and power type battery | |
| CN101656330A (en) | Method for making lithium-ion battery cells | |
| CN105161673B (en) | The manufacturing process and multi pole ears battery of a kind of multi pole ears battery core | |
| CN110783638B (en) | Winding stacked battery cell and preparation method thereof | |
| CN202352786U (en) | Wound battery core body, soft package lithium ion battery and plate | |
| CN102437377A (en) | Winding power core, soft-package lithium ion battery and pole piece | |
| CN201838680U (en) | Flexible packaging battery | |
| CN110400959A (en) | A kind of winding double-core packet, winding double-core pack the method for making and lithium ion battery | |
| CN202601777U (en) | Large-capacity high-magnification square lithium ion power battery | |
| CN102024990A (en) | Method for manufacturing cells of power lithium ion batteries | |
| CN203871434U (en) | Lithium ion battery | |
| CN202454681U (en) | High-efficiency lithium ion battery | |
| CN203574066U (en) | Lithium ion battery with multi-core structure | |
| CN204927442U (en) | Tail welds formula power type battery | |
| CN202259518U (en) | Combined lithium battery with welded tabs | |
| CN203521496U (en) | Apple-shaped large-power polymer lithium battery | |
| CN202695606U (en) | Z-shaped laminated cell of lithium ion battery for high-capacity automobile | |
| CN201741765U (en) | Battery cell of power-type lithium ion battery | |
| CN201673968U (en) | Miniature polymer lithium ion battery with dissymmetrical assembly structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20201106 Granted publication date: 20151230 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210112 Granted publication date: 20151230 |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210625 Granted publication date: 20151230 |