CN2826720Y - Lithium ion pole piece, battery core and battery - Google Patents
Lithium ion pole piece, battery core and battery Download PDFInfo
- Publication number
- CN2826720Y CN2826720Y CNU2005201084994U CN200520108499U CN2826720Y CN 2826720 Y CN2826720 Y CN 2826720Y CN U2005201084994 U CNU2005201084994 U CN U2005201084994U CN 200520108499 U CN200520108499 U CN 200520108499U CN 2826720 Y CN2826720 Y CN 2826720Y
- Authority
- CN
- China
- Prior art keywords
- lithium ion
- separator
- battery
- ion battery
- lithium
- 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 - Lifetime
Links
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 26
- 239000003292 glue Substances 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 2
- 238000004804 winding Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011505 plaster Substances 0.000 description 2
- 239000011149 active material Substances 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
Images
Classifications
-
- Y02E60/122—
Landscapes
- Cell Separators (AREA)
- Primary Cells (AREA)
Abstract
The utility model discloses a pole sheet of a lithium ion battery. One end of the pole sheet is welded with a pole ear, and the other end surface is provided with an isolated layer of which the surface is smooth. Thereby, the isolated layer can prevent diaphragm paper from being punctured in the process of winding the pole sheet and avoid a short circuit phenomenon caused by the reason. The utility model also discloses a battery core and a battery which are manufactured by the lithium ion pole sheet.
Description
[technical field]
The utility model relates to a kind of electrodes of lithium-ion batteries, electric core and battery.
[background technology]
Lithium ion battery has operating voltage height, volume and weight energy density height, advantages such as the life-span is long, self-discharge rate is low, memory-less effect, is widely used in fields such as mobile communication equipment, notebook computer at present.But in present lithium ion battery production technology, when positive and negative plate and diaphragm paper were reeled, the initial coiling end face of pole piece was more sharp-pointed, is easy to puncture diaphragm paper in winding process, thereby causes battery short circuit.
[summary of the invention]
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provides an a kind of end face smooth, is not easy to puncture the electrodes of lithium-ion batteries of diaphragm paper when reeling.
Another purpose of the present utility model is also providing a kind of usefulness lithium ion battery cell and battery that above-mentioned electrodes of lithium-ion batteries is made.
The utility model is achieved in that a kind of electrodes of lithium-ion batteries, and an end is welded with lug, it is characterized in that: described pole piece other end is provided with a separator, and described insulation surface is smooth.
Described separator is the high-temp glue layer of cloth.
Described separator is the high-temp glue water layer.
A kind of lithium ion battery cell comprises the electrical core coiling body of being reeled and being formed by positive and negative plate and diaphragm paper, and at least one pole piece one end face is provided with a separator.
Described end face is the initial coiling end face of the pole piece of described electrical core coiling body.
Described separator is the high-temp glue layer of cloth.
Described separator is the high-temp glue water layer.
Lithium ion battery with above-mentioned electric core manufacturing.
The beneficial effects of the utility model are: on electrodes of lithium-ion batteries one end face a separator is set, make the inside of its diaphragm paper that when electric core winding, is placed on doubling, thereby can make original sharp-pointed lithium ion pole piece end face become smooth, can not puncture diaphragm paper, reduce the generation of short circuit phenomenon.
[description of drawings]
Fig. 1 is the utility model pole piece schematic diagram
Fig. 2 is the utility model electricity core vertical view
Fig. 3 is the A place enlarged drawing of Fig. 2
[embodiment]
To be example with the aluminum hull lithium ion battery below, 1,2 pair of the utility model be elaborated in conjunction with the accompanying drawings.
Embodiment 1: as shown in Figure 1, scribble lithium ion battery on the positive plate 2 with active material (not drawing on the figure), lug 1 is welded on positive plate 2 one ends, wraps with high temperature adhesive plaster 3 in positive plate 2 other ends, makes its end face smooth, can not puncture diaphragm paper.
Embodiment 2: present embodiment electricity core as shown in Figure 2, negative plate 4, positive plate 3, diaphragm paper 5 stacked systems are as shown in Figure 3, positive plate 2 is in the middle of the diaphragm paper 5 of doubling, the end face that is provided with high temperature adhesive plaster 3 is positioned at the inside, because its end face is smooth, can not puncture diaphragm paper, avoid because the generation of this former thereby short circuit phenomenon that causes.
Although proved absolutely the present invention in conjunction with the accompanying drawings with embodiment; but for industry technical staff; also have various variations and remodeling, as long as these change and modification does not break away from the utility model scope, they include in claimed scope of the present utility model.
Claims (9)
1, a kind of electrodes of lithium-ion batteries, an end is electrically connected with lug, it is characterized in that: described pole piece other end is provided with a separator, and this insulation surface is smooth.
2, electrodes of lithium-ion batteries as claimed in claim 1 is characterized in that: described separator is the high-temp glue layer of cloth.
3, electrodes of lithium-ion batteries as claimed in claim 1 is characterized in that: described separator is the high-temp glue water layer.
4, a kind of lithium ion battery cell comprises the electrical core coiling body and the lug of being reeled and being formed by positive plate, negative plate, diaphragm paper, it is characterized in that: be not connected with the lug edge of an end of described positive plate and/or negative plate is provided with a separator.
5, lithium ion battery cell as claimed in claim 4 is characterized in that: the end that described positive plate and/or negative plate are provided with separator is positioned at the electrical core coiling body innermost layer.
6, as claim 4 or 5 described lithium ion battery cells, it is characterized in that: described separator is the high-temp glue layer of cloth.
7, as claim 4 or 5 described lithium ion battery cells, it is characterized in that: described separator is the high-temp glue water layer.
8, a kind of lithium ion battery comprises the electrical core coiling body and the lug of being reeled and being formed by positive plate, negative plate, diaphragm paper, it is characterized in that: be not connected with the lug edge of an end of described positive plate and/or negative plate is provided with a separator.
9, lithium ion battery as claimed in claim 8 is characterized in that: the end that described positive plate and/or negative plate are provided with separator is positioned at the electrical core coiling body innermost layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201084994U CN2826720Y (en) | 2005-05-27 | 2005-05-27 | Lithium ion pole piece, battery core and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201084994U CN2826720Y (en) | 2005-05-27 | 2005-05-27 | Lithium ion pole piece, battery core and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2826720Y true CN2826720Y (en) | 2006-10-11 |
Family
ID=37066902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005201084994U Expired - Lifetime CN2826720Y (en) | 2005-05-27 | 2005-05-27 | Lithium ion pole piece, battery core and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2826720Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104347892A (en) * | 2013-08-02 | 2015-02-11 | 浙江万向亿能动力电池有限公司 | High safety lithium battery |
-
2005
- 2005-05-27 CN CNU2005201084994U patent/CN2826720Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104347892A (en) * | 2013-08-02 | 2015-02-11 | 浙江万向亿能动力电池有限公司 | High safety lithium battery |
| CN104347892B (en) * | 2013-08-02 | 2017-04-19 | 万向一二三股份公司 | Lithium battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150527 Granted publication date: 20061011 |
|
| DD01 | Delivery of document by public notice |
Addressee: Wang Chunguang Document name: Notification of Expiration of Patent Right Duration |