CN203481319U - Battery pole piece and battery - Google Patents
Battery pole piece and battery Download PDFInfo
- Publication number
- CN203481319U CN203481319U CN201320585838.2U CN201320585838U CN203481319U CN 203481319 U CN203481319 U CN 203481319U CN 201320585838 U CN201320585838 U CN 201320585838U CN 203481319 U CN203481319 U CN 203481319U
- Authority
- CN
- China
- Prior art keywords
- pole piece
- battery
- chamfering
- battery pole
- circular arc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003792 electrolyte Substances 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 230000008602 contraction Effects 0.000 abstract description 3
- 238000004804 winding Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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 utility model discloses a battery pole piece and a battery. The battery pole piece comprises a first end and a second end which are connected with each other along the winding direction of the battery pole piece, wherein a chamfer is formed at the tail end, which is far away from the second end, of the first end. According to the battery pole piece, the chamfer is formed on the pole piece, so that the contraction deformation of the corner of the pole piece is relieved, and the effects that the corner of the pole piece is difficult to wind and fold are achieved; the pole piece and a battery core using the pole piece are convenient to store; furthermore, damage caused by zero short circuit of the battery using the pole piece is avoided. The battery adopting the battery pole piece is difficult to damage and is durable.
Description
Technical field
The utility model relates to battery technology field, relates in particular to a kind of battery pole piece and battery.
Background technology
The a series of advantages such as specific energy is high, operating voltage is high owing to having, fail safe is good for lithium ion battery, memory-less effect, the electrical source of power of the portable type electronic products such as this computer, digital camera, mobile phone, video camera of taking notes that is widely used, also will become one of main power source of electric bicycle, battery-operated motor cycle and electric automobile simultaneously.
At present, the pole piece of winding battery four jiaos of places after cutting are all rectangular, and in order to enhance productivity, pole piece can not be for further processing to pole piece after cutting conventionally.Yet the phenomenons such as roll set, discounting very easily appear in the position, angle of this kind of pole piece (rectangular Si Jiaochu) at present, can cause battery short circuit at zero point like this and damage.
Utility model content
A technical problem to be solved in the utility model is, provides position, a kind of angle to be difficult for the battery pole piece of roll set, discounting.
Another technical problem to be solved in the utility model is, a kind of durable battery is provided.
The technical scheme that the utility model solution one technical problem adopts is: a kind of battery pole piece is provided, comprises the first end and the second end that along battery pole piece coiling direction, are connected, described first end is provided with chamfering away from the end of described the second end.
In battery pole piece of the present utility model, described chamfering is straight chamfering or circular arc chamfering.
In battery pole piece of the present utility model, described circular arc chamfering is protruding circular arc chamfering; The radius of described circular arc chamfering is 0.1-50mm.
In battery pole piece of the present utility model, described the second end is provided with chamfering away from the end of described first end.
In battery pole piece of the present utility model, described chamfering is straight chamfering or circular arc chamfering.
In battery pole piece of the present utility model, described circular arc chamfering is protruding circular arc chamfering; The radius of described circular arc chamfering is 0.1-50mm.
In battery pole piece of the present utility model, this battery pole piece also comprises lug; Described lug vertically stretches out from the lateral margin of described the second end, and the coiling direction of vertical described battery pole piece.
The utility model solves the technical scheme that its another technical problem adopts: a kind of battery is provided, comprise battery, described battery comprises positive plate, negative plate and is arranged on the barrier film between described positive plate and negative plate, and described positive plate and/or described negative plate adopt above-mentioned battery pole piece.
In battery of the present utility model, described battery also comprises shell, has for holding the cavity of electrolyte and described battery in described shell.
Battery pole piece of the present utility model, by chamfering is set on pole piece, reduce the contraction deformation of position, pole piece angle, realized the effect that position, pole piece angle is difficult for roll set, discounting, the depositing of battery that is beneficial to pole piece and uses this pole piece, and the battery of avoiding using this pole piece damages because of short circuit at zero point.Adopt the battery of this battery pole piece, not fragile, durable.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation of the battery pole piece of the utility model the first embodiment;
Fig. 2 is the structural representation of the battery pole piece of the utility model the second embodiment;
Fig. 3 is the structural representation of the battery pole piece of the utility model the 3rd embodiment;
Fig. 4 is the structural representation of the battery pole piece of the utility model the 4th embodiment;
Fig. 5 is the structural representation of the battery pole piece of the utility model the 5th embodiment;
Fig. 6 is the structural representation of the battery pole piece of the utility model the 6th embodiment;
Fig. 7 is the structural representation of the battery of the utility model one embodiment.
Embodiment
For technical characterictic of the present utility model, object and effect being had more clearly, understand, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
As shown in Fig. 1-6, battery pole piece 1 of the present utility model, comprises the first end 11 and the second end 12 that are connected, and this first end 11 and the second end 12 link together along the coiling direction of battery pole piece 1.This battery pole piece 1 is applicable to battery anode slice and negative plate.Wherein, first end 11 is provided with chamfering 110 away from the end of the second end 12; The end of this first end 11 is this pole piece 1 and is positioned at the position, angle on first end 11.By chamfering 110 is set on battery pole piece 1, reduce the contraction deformation of 1 jiao of position of pole piece, realized the effect that battery pole piece 1 jiao of position is difficult for roll set, discounting, the depositing of battery that is beneficial to battery pole piece 1 and uses this battery pole piece 1, and the battery of avoiding using this battery pole piece 1 damages because of short circuit at zero point.
This battery pole piece 1 also comprises lug 13, and this lug 13 vertically stretches out from the lateral margin of the second end 12, and the coiling direction of vertical battery pole piece 1.Lug 13 can adopt welding to be arranged on the second end 12.This lug 13 can be positioned at the second end 12 away from the terminal edge place of first end 11, also can with the coiling distance of the battery in interval, terminal edge place of this second end 12 integer multiple of this coiling distance maybe.
As shown in Figure 1, the battery pole piece 1 of the utility model the first embodiment, the chamfering 110 of first end 11 ends is straight chamfering.The setting of this straight chamfering can be by cutting formation on the rectangular first end 11 in position, angle; Particularly, at the place, relative two jiaos of positions, end of first end 11, cut out respectively a right-angled triangle.Two right-angle side length of the right-angled triangle at the place of cutting are 0.1-10mm.
As shown in Figure 2, the battery pole piece 1 of the utility model the second embodiment, the chamfering 110 of first end 11 ends is circular arc chamfering.Preferably, this circular arc chamfering is protruding circular arc chamfering.The radius of circular arc chamfering is 0.1-50mm.
As shown in Figure 3, battery pole piece 1, the second end 12 of the utility model the 3rd embodiment is also provided with chamfering 120 away from the end of first end 11.The end of this second end 12 is pole piece 1 and is positioned at the position, angle on this second end 12.In the present embodiment, this chamfering 120 is straight chamfering.The setting of this straight chamfering equally can be by cutting formation on the second rectangular end 12 of position, angle; Particularly, at the place, relative two jiaos of positions, end of the second end 12, cut out respectively a right-angled triangle.Two right-angle side length of the right-angled triangle at the place of cutting are 0.1-10mm.And in the present embodiment, the chamfering 110 of first end 11 ends is also straight chamfering.
As shown in Figure 4, battery pole piece 1, the second end 12 of the utility model the 4th embodiment is also provided with chamfering 120 away from the end of first end 11, and in the present embodiment, this chamfering 120 is straight chamfering.This embodiment and different being of the 3rd embodiment: the chamfering 110 of first end 11 ends is circular arc chamfering, and preferably, this circular arc chamfering is protruding circular arc chamfering.
As shown in Figure 5, the battery pole piece 1 of the utility model the 5th embodiment, this embodiment and different being of the 3rd embodiment: the second end 12 is circular arc chamfering away from the chamfering 120 of the end of first end 11; Preferably, this circular arc chamfering is protruding circular arc chamfering.The radius of circular arc chamfering is 0.1-50mm.And in the present embodiment, the chamfering 110 of first end 11 ends is straight chamfering.
As shown in Figure 6, battery pole piece 1, the second end 12 of the utility model the 6th embodiment is circular arc chamfering away from the chamfering 120 of the end of first end 11; Preferably, this circular arc chamfering is protruding circular arc chamfering.This embodiment and different being of the 5th embodiment: the chamfering 110 of first end 11 ends is circular arc chamfering; Preferably, this circular arc chamfering is protruding circular arc chamfering.
As shown in Figure 7, the battery of the utility model one embodiment, comprises battery 2; This battery 2 comprise positive plate, negative plate and be arranged on positive plate and negative plate between barrier film (not shown).Wherein, positive plate or negative plate adopt the battery pole piece 1 described in any embodiment in the above-mentioned first to the 6th embodiment; Or positive plate and negative plate adopt the battery pole piece 1 described in any embodiment in the above-mentioned first to the 6th embodiment simultaneously.Two lugs 13 vertically stretch out battery 2, and it is respectively lug on positive plate and the lug on negative plate.
Setting due to chamfering on battery pole piece 1, at battery pole piece 1(as positive plate or negative plate) reel to form after battery 2, one end (for the end on the first end 11 shown in Fig. 1-6 or the end on the second end 12) with the battery pole piece 1 of chamfering is positioned at battery 2 outermost, the end of first end 11 of battery pole piece 1 of take in Fig. 7 is positioned at battery 2 outermost and describes as example, because the chamfering 110(on the end of this first end 11 is straight chamfering or circular arc chamfering) arrange, in right angle of the prior art setting, be difficult for roll set, the effect giving a discount, be beneficial to depositing of battery 2, and avoid battery to damage because of short circuit at zero point, durable.
Further, this battery also comprises shell (not shown), has for holding the cavity of electrolyte and battery 2 in shell, and battery 2 is contained in the cavity of this shell.Shell can be bladder, and preferably, this shell is aluminum plastic film shell.This battery also comprises electrolyte, and electrolyte is filled in the cavity of shell, and soaks into battery 2.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. a battery pole piece, comprises the first end (11) and the second end (12) that along battery pole piece (1) coiling direction, are connected, it is characterized in that, described first end (11) is provided with chamfering (110) away from the end of described the second end (12).
2. battery pole piece according to claim 1, is characterized in that, described chamfering (110) is straight chamfering or circular arc chamfering.
3. battery pole piece according to claim 2, is characterized in that, described circular arc chamfering is protruding circular arc chamfering; The radius of described circular arc chamfering is 0.1-50mm.
4. according to the battery pole piece described in claim 1-3 any one, it is characterized in that, described the second end (12) is also provided with chamfering (120) away from the end of described first end (11).
5. battery pole piece according to claim 4, is characterized in that, described chamfering (120) is straight chamfering or circular arc chamfering.
6. battery pole piece according to claim 5, is characterized in that, described circular arc chamfering is protruding circular arc chamfering; The radius of described circular arc chamfering is 0.1-50mm.
7. according to the battery pole piece described in claim 1-3 any one, it is characterized in that, this battery pole piece (1) also comprises lug (13); Described lug (13) vertically stretches out from the lateral margin of described the second end (12), and the coiling direction of vertical described battery pole piece (1).
8. a battery, comprise battery (2), described battery (2) comprises positive plate, negative plate and is arranged on the barrier film between described positive plate and negative plate, it is characterized in that, described positive plate and/or described negative plate adopt the battery pole piece (1) described in claim 1-7 any one.
9. battery according to claim 8, is characterized in that, described battery also comprises shell, has for holding the cavity of electrolyte and described battery (2) in described shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320585838.2U CN203481319U (en) | 2013-09-22 | 2013-09-22 | Battery pole piece and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320585838.2U CN203481319U (en) | 2013-09-22 | 2013-09-22 | Battery pole piece and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203481319U true CN203481319U (en) | 2014-03-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320585838.2U Expired - Fee Related CN203481319U (en) | 2013-09-22 | 2013-09-22 | Battery pole piece and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203481319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113421994A (en) * | 2021-06-18 | 2021-09-21 | 东莞新能安科技有限公司 | Electrochemical device and electronic device |
-
2013
- 2013-09-22 CN CN201320585838.2U patent/CN203481319U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113421994A (en) * | 2021-06-18 | 2021-09-21 | 东莞新能安科技有限公司 | Electrochemical device and electronic device |
| CN113421994B (en) * | 2021-06-18 | 2022-11-29 | 东莞新能安科技有限公司 | Electrochemical device and electronic device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 |