CN206497942U - Battery pole piece structure - Google Patents
Battery pole piece structure Download PDFInfo
- Publication number
- CN206497942U CN206497942U CN201720097061.3U CN201720097061U CN206497942U CN 206497942 U CN206497942 U CN 206497942U CN 201720097061 U CN201720097061 U CN 201720097061U CN 206497942 U CN206497942 U CN 206497942U
- Authority
- CN
- China
- Prior art keywords
- active substance
- collector plate
- coating layer
- face
- insulating barriers
- 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
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Classifications
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- 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
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- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
A kind of battery pole piece structure, including：One collector plate, including adjacent lug portion and curren-collecting part, collector plate have reverse the first face and the second face；One first coating layer of active substance, is incorporated on the curren-collecting part in the first face of collector plate；Two the first insulating barriers, respectively in connection with the curren-collecting part in the first face of collector plate, and two the first insulating barriers are adjacent to the first coating layer of active substance both sides in the first face of collector plate respectively；One second coating layer of active substance, is incorporated on the curren-collecting part in the second face of collector plate；Two the second insulating barriers, respectively in connection with the curren-collecting part in the second face of collector plate, and are adjacent to the second coating layer of active substance both sides in the second face of collector plate respectively.Whereby, whether monolithic, storehouse or winding shaping are used, and can effectively prevent short circuit, to ensure using safety.
Description
Technical field
The utility model is related to a kind of battery, and espespecially one kind can prevent short circuit, to ensure the battery pole using safety
Chip architecture.
Background technology
Current core of lithium ion cell is due to lightweight, the original such as higher than steel/aluminum-shell battery safety coefficient, not easy to explode
Cause, therefore be rapidly developed in certain fields, but it is substantially also the liquid lithium ionic cell core for having changed packaging.Its
In, when battery is under charging, discharge condition, short circuit or hot environment the temperature of battery fluid is increased to up to about 75
During more than ~ 80 DEG C of high temperature, inflatable and the phenomenon of leakage are easily formed, the hydraulic performance decline of battery can be not only caused, even
Explosion phenomenon can be produced.If but when substituting liquid electrolyte and diaphragm paper for solid-state, above mentioned problem can be obtained by solution,
And security concerns can be greatly reduced.
Solid state battery cored structure general at present mainly includes a cathode current collection piece, a solid-state electrolyte layer and one for stacking
Anode collector plate, and cathode active material coating is coated on the two sides of cathode current collection piece respectively, to form cathode current collection layer, anode collection
Anode active material is coated on the two sides of electric piece respectively, to form anode current collection layer.Wherein, in order to suitable for monolithic, stacking-type or
Coiled various different battery form demands, cathode current collection layer, solid-state electrolyte layer and anode current collection layer must pass through again
Slitting or the mode of cross cutting, to shape required strip laminated structure.But, during slitting or cross cutting, anode collection
Active material in electric layer or cathode current collection layer is possible to the situation that can be caused flash or drop off, consequently, it is possible to there is generation short
Road and occur the danger of explosion accident.
Utility model content
In view of this, in order to provide it is a kind of be different from the structure of prior art, and improve above-mentioned shortcoming, inventor's product is more
The experience in year and constantly research and development are improved, and have generation of the present utility model then.
A purpose of the present utility model is to provide a kind of upper and lower faces in a collector plate respectively in connection with an active material
Coating, and in battery pole piece structure of the both sides of coating layer of active substance respectively in connection with an insulating barrier, so that existing anode can be solved
The problem of with the active material on cathode current collection layer there may be short circuit explosion accident occurs for current collection layer, enables in monolithic, heap
After stack or winding, it can ensure that using safety.
In order to achieve the above object, the battery pole piece structure set by the utility model includes：One collector plate, one first activity
Matter coatings, two the first insulating barriers, one second coating layer of active substance and two the second insulating barriers.Wherein, the collector plate bag
Adjacent lug portion and curren-collecting part are included, collector plate has reverse and corresponding the first face and the second face；First active material
Coating is incorporated on the curren-collecting part in the first face of collector plate；Two first insulating barriers are respectively in connection with the first face of collector plate
On curren-collecting part, and two the first insulating barriers are adjacent to the first coating layer of active substance both sides in the first face of collector plate respectively；This
Two coating layer of active substance are incorporated on the curren-collecting part in the second face of the collector plate；And two second insulating barriers respectively in connection with
On the curren-collecting part in the second face of collector plate, and two the second insulating barriers are adjacent to second active matter in the second face of collector plate respectively
Matter coating both sides.
During implementation, battery pole piece structure of the present utility model is cathode sheet or anode pole piece one kind therein.
During implementation, the collector plate is elongated, its have be parallel to each other first it is long while, second it is long while and be parallel to each other
First short side, the second short side, wherein one first insulating barrier of two the first insulating barriers are located at the first long side and the first active material
Between coating, another first insulating barrier is located between the first coating layer of active substance and a surface in lug portion, two second insulation
Wherein one second insulating barrier of layer is located between the first long side and the second coating layer of active substance, and another second insulating barrier is located at the
Between two coating layer of active substance and another surface in lug portion.
During implementation, the utility model also includes two the 3rd insulating barriers, and it is respectively adjacent to the first short side, and two the 3rd exhausted
Wherein one the 3rd insulating barrier of edge layer is incorporated into two the first insulating barriers, the first coating layer of active substance and a surface in lug portion
On, and another 3rd insulating barrier is incorporated on two the second insulating barriers, the second coating layer of active substance and another surface in lug portion.
During implementation, the utility model also includes two the 4th insulating barriers, and two the 4th insulating barriers are respectively adjacent to the second short side,
And wherein one the 4th insulating barrier of two the 4th insulating barriers is incorporated into two the first insulating barriers, the first coating layer of active substance and lug
On one surface in portion, and another 4th insulating barrier is incorporated into two the second insulating barriers, the second coating layer of active substance and lug portion
On another surface.
The beneficial effects of the utility model are：Whether monolithic, storehouse or winding shaping are used, and can effectively prevent short
Road, to ensure using safety.
Brief description of the drawings
Fig. 1 is the three-dimensional appearance schematic diagram of the preferred embodiment of the utility model battery pole piece structure；
Fig. 2 is Fig. 1 A-A ' profiles；
Fig. 3 is that the utility model battery pole piece structure is applied to coiled battery core, and outer in the solid of deployed condition
See schematic diagram.
Description of reference numerals
The collector plate of 1 battery pole piece structure 2
The face of 21 first face 22 second
23 first is long when 24 second is long
The short side of 25 first short side 26 second
The curren-collecting part of 27 lug portion 28
3 first coating layer of active substance 4,4 ' first insulating barriers
5 second coating layer of active substance 6,6 ' second insulating barriers
7th, 7 ' the 3rd insulating barriers 8,8 ' the 4th insulating barriers.
Embodiment
To further appreciate that the utility model, below according to preferred embodiment, coordinate accompanying drawing, figure number, this practicality is new
The specific constitution content of type and its effect reached describe in detail as follows.
Refer to shown in Fig. 1, Fig. 2, it is the preferred embodiment of the utility model battery pole piece structure 1, the battery
Pole piece structure 1 can be cathode sheet or anode pole piece one kind therein.The utility model battery pole piece structure 1 includes：It is in
One collector plate 2 of strip sheet, one first coating layer of active substance 3, two active materials of the first insulating barrier 4,4 ', one second are applied
Layer 5 and two the second insulating barriers 6,6 '.
The collector plate 2 is elongated, and it has reverse and corresponding the first face 21 and the second face 22, and with mutually flat
Capable first is long when 23, second is long 24 and the first short side 25, the second short side 26 that are parallel to each other；And with structure for, the collection
Electric piece 2 is made up of adjacent strip lug portion 27 and strip curren-collecting part 28.
First coating layer of active substance 3 is incorporated on the curren-collecting part 28 in the first face 21 of collector plate 2.Two the first insulating barriers
4th, 4 ' respectively in connection with the curren-collecting part 28 in the first face 21 of collector plate 2, and two the first insulating barriers 4,4 ' are adjacent to collection respectively
The both sides of first coating layer of active substance 3 in the first face 21 of electric piece 2, make wherein one first insulating barrier of two the first insulating barriers 4,4 '
4 are located between the first long coating layer of active substance 3 of side 23 and first, and another first insulating barrier 4 ' is located at the first coating layer of active substance 3
Between a surface in lug portion 27.
Second coating layer of active substance 5 is incorporated on the curren-collecting part 28 in the second face 22 of collector plate 2, two the second insulating barriers
(6,6 ') are respectively in connection with the curren-collecting part 28 in the second face 22 of collector plate 2, and two the second insulating barriers 6,6 ' are adjacent to respectively
The both sides of second coating layer of active substance 5 in the second face 22 of collector plate 2, make wherein one second insulation of two the second insulating barriers 6,6 '
Layer 6 is located between the first long coating layer of active substance 5 of side 23 and second, and another second insulating barrier 6 ' is located at the second coating layer of active substance
Between 5 and another surface in lug portion 27.
During implementation, above-mentioned first insulating barrier 4,4 ' and the second insulating barrier 6,6 ' are respectively insulating cement or insulated paint；And when upper
When stating the cathode current collection piece that collector plate 2 is aluminium foil, the first coating layer of active substance 3 and the second coating layer of active substance 5 are respectively lithium sulphur
Compound coat, or LiMnO2、LiMn2O4、LiCoO2、Li2Cr2O7、Li2CrO4、LiNiO2、LiFeO2、LiNixCo1- xO2、LiFePO4、LiMn0.5Ni0.5O2、LiMn1/3Co1/3Ni1/3O2、LiMc0.5Mn1.5O4 coatingsOr the combination of above-mentioned coating.Work as collection
When electric piece 2 is aluminium foil or a kind of copper foil anode collector plate therein, the first coating layer of active substance 3 and the second active material are applied
Layer 5 is respectively lithium metal mixed oxide (lithium mixed metal oxide) coating, also can be respectively by commercial silica flour
Formed after last ball milling, and in silicon materials Surface coating carbon film.
Whereby, battery pole piece structure 1 of the present utility model is in response to monolithic, stacking-type or coiled various different electricity
Pond core form demand, and when needing by slitting or cross cutting, that is, do not result in flash or the situation dropped off, and be formed separately for
Cathode sheet or anode pole piece, and it is combined as monolithic, stacking-type or coiled various different batteries from solid-state electrolyte layer
After form, then short circuit phenomenon can be prevented effectively from.
Refer to shown in Fig. 3, it is that battery pole piece structure 1 of the present utility model is applied to coiled battery core, and is in
The three-dimensional appearance schematic diagram of deployed condition.Its part unlike the embodiments above is：Two the 3rd insulating barriers 7,7 ' are adjacent respectively
First short side 25 of nearly collector plate 2, wherein one the 3rd insulating barrier 7 of two the 3rd insulating barriers 7,7 ' is incorporated into two first insulation
On one surface in the 4,4 ', first coating layer of active substance 3 of layer and lug portion 27, another 3rd insulating barrier 7 ' be incorporated into two it is second exhausted
On another surface in the coating layer of active substance 5 of edge layer 6,6 ', second and lug portion 27.And two the 4th insulating barriers 8,8 ' are respectively adjacent to
Second short side 26, and wherein 1 the 4th insulating barrier 8 of two the 4th insulating barriers 8,8 ' is incorporated into two the first insulating barriers 4,4 ',
On one surface in one coating layer of active substance 3 and lug portion 27, another 4th insulating barrier 8 ' be incorporated into two the second insulating barriers 6,6 ',
On another surface in the second coating layer of active substance 5 and lug portion 27.So as to being combined as monolithic battery core pole piece, and wound
Into after battery, short circuit phenomenon can be effectively prevented.
Therefore, the utility model has the following advantages that：
1st, the upper and lower faces of the collector plate of the utility model one are applied respectively in connection with a coating layer of active substance, and in active material
The both sides of layer are respectively in connection with an insulating barrier, accordingly, it is capable to be formed separately as cathode sheet or anode pole piece, and and solid electrolyte
Layer is combined into after battery, is prevented effectively from short circuit phenomenon, to ensure using safety.
2nd, the utility model can be combined after being formed separately as cathode sheet or anode pole piece, and with solid-state electrolyte layer
Used into the battery of monolithic, or storehouse, or winding makes the lithium battery in Soft Roll shape, cylindrical or square etc. various bodies
Core, regardless of whether be a kind of that lithium cell core of form, it is all quite easy, flexible in processing operation, and all can effectively keep away
Exempt from short circuit phenomenon.
In summary, according to content disclosed above, the utility model really can reach expected purpose can bullet there is provided one kind
Property processing used with the battery that not homomorphs are made, and short circuit phenomenon can be prevented effectively from, to ensure the battery using safety
Pole piece structure, the value that great industry is utilized, spy proposes utility application in accordance with the law.
Claims (5)
1. a kind of battery pole piece structure, it is characterised in that including：
One collector plate, including an adjacent lug portion and a curren-collecting part, the collector plate have one first reverse and corresponding face
And one second face；
On one first coating layer of active substance, the curren-collecting part for being incorporated into the first face of the collector plate；
Two the first insulating barriers, respectively in connection with the curren-collecting part in the first face of the collector plate, and two first insulating barriers
The first coating layer of active substance both sides in the first face of the collector plate are adjacent to respectively；
On one second coating layer of active substance, the curren-collecting part for being incorporated into the second face of the collector plate；And
Two the second insulating barriers, respectively in connection with the curren-collecting part in the second face of the collector plate, and two second insulating barriers
The second coating layer of active substance both sides in the second face of the collector plate are adjacent to respectively.
2. battery pole piece structure as claimed in claim 1, it is characterised in that the battery pole piece structure be cathode sheet or
Anode pole piece one kind therein.
3. battery pole piece structure as claimed in claim 1, it is characterised in that the collector plate is elongated, it has mutual
Parallel first it is long while, second it is long while and the first short side, the second short side that are parallel to each other, wherein the one of two first insulating barriers
First insulating barrier is located between the first long side and first coating layer of active substance, and another first insulating barrier is located at first work
Property matter coatings and the lug portion a surface between, wherein one second insulating barriers of two second insulating barriers be located at this first
Between long side and second coating layer of active substance, another second insulating barrier is located at second coating layer of active substance and the lug portion
Another surface between.
4. battery pole piece structure as claimed in claim 3, it is characterised in that it also includes two the 3rd insulating barriers, and this two
Individual 3rd insulating barrier is respectively adjacent to first short side, and two the 3rd insulating barriers wherein one the 3rd insulating barrier be incorporated into this two
On one surface of individual first insulating barrier, first coating layer of active substance and the lug portion, and another 3rd insulating barrier is incorporated into this
On two the second insulating barriers, second coating layer of active substance and another surfaces in the lug portion.
5. battery pole piece structure as claimed in claim 4, it is characterised in that it also includes two the 4th insulating barriers, and this two
Individual 4th insulating barrier is respectively adjacent to second short side, and two the 4th insulating barriers wherein one the 4th insulating barrier be incorporated into this two
On one surface of individual first insulating barrier, first coating layer of active substance and the lug portion, and another 4th insulating barrier is incorporated into this
On two the second insulating barriers, second coating layer of active substance and another surfaces in the lug portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720097061.3U CN206497942U (en) | 2017-01-25 | 2017-01-25 | Battery pole piece structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720097061.3U CN206497942U (en) | 2017-01-25 | 2017-01-25 | Battery pole piece structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206497942U true CN206497942U (en) | 2017-09-15 |
Family
ID=59803673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720097061.3U Expired - Fee Related CN206497942U (en) | 2017-01-25 | 2017-01-25 | Battery pole piece structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206497942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111370705A (en) * | 2018-12-26 | 2020-07-03 | 本田技研工业株式会社 | Electrode for solid-state battery and solid-state battery |
-
2017
- 2017-01-25 CN CN201720097061.3U patent/CN206497942U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111370705A (en) * | 2018-12-26 | 2020-07-03 | 本田技研工业株式会社 | Electrode for solid-state battery and solid-state battery |
| CN111370705B (en) * | 2018-12-26 | 2023-07-14 | 本田技研工业株式会社 | Electrode for solid-state battery and solid-state battery |
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Legal Events
| 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: 20170915 Termination date: 20190125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |