CN108777267A - A kind of battery cover board - Google Patents
A kind of battery cover board Download PDFInfo
- Publication number
- CN108777267A CN108777267A CN201810541133.8A CN201810541133A CN108777267A CN 108777267 A CN108777267 A CN 108777267A CN 201810541133 A CN201810541133 A CN 201810541133A CN 108777267 A CN108777267 A CN 108777267A
- Authority
- CN
- China
- Prior art keywords
- cathode
- cover board
- substrate
- positive
- anode
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/147—Lids or covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/183—Sealing members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/35—Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
-
- 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
Abstract
The invention discloses a kind of battery cover boards, including positive upper substrate, cathode upper substrate, cathode metal piece, negative electrode insulator, light cover board, sheet, positive sealing ring, cathode sealing ring, anode conductive substrate, cathode conductive substrate and several ceramics poles；The anode upper substrate, cathode metal piece, light cover board, plastic parts and anode conductive substrate are by being sequentially connected under upper, and the cathode upper substrate, negative electrode insulator, light cover board, plastic parts and cathode conductive substrate are by being sequentially connected under upper.A kind of battery cover board of the present invention is safer convenient for the inside battery gas that forming and capacity dividing or use generate in the process in the production process is discharged, and improves the service life of battery and explosion-proof security performance.
Description
Technical field
The present invention relates to one kind being related to field of batteries more particularly to a kind of battery cover board being vented.
Background technology
Increasingly in short supply with world resource, for electric power as a kind of clean energy resource, application range is increasingly extensive.Battery conduct
A kind of device that can store electric power, the safety of battery are also most important.Important composition of the battery cover board as power battery
Part determines the sealing performance and insulation performance of power battery.
General battery cover board is provided with burst disk on light cover board, when the pressure that the gas of inside battery generates reaches limit
When definite value, burst disk will rupture, and then be vented.But burst disk rupture is irreversible to the damage of battery, once it is anti-
Quick-fried rupture, battery, which just needs to do, scraps processing, this not only has a certain impact to the service life of battery, the processing for battery
It will produce prodigious pressure.
In addition, during battery use, the anode of power supply and the cathode of power supply must fully isolate, and to avoid short
Road.Therefore during manufacture battery cover board with the anode of battery cover board electrically identical part it is necessary and with battery cover board
The preferable isolation effect of parts warranties that cathode electrically communicates.
Invention content
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention to provide a kind of battery cover board, increase electricity
The discharge path of pond internal gas so that the gas of inside battery can only not only be arranged by burst disk destructiveness explosion
Gas, while the air insulated between negative conductive column and light cover board being changed to be physically isolated, to increase the security performance of battery.
Technical solution：To achieve the above object, a kind of battery cover board of the invention, including it is positive upper substrate, negative
Pole upper substrate, cathode metal piece, negative electrode insulator, light cover board, sheet, positive sealing ring, cathode sealing ring, positive conductive base
Plate, cathode conductive substrate and several ceramics poles；The anode upper substrate, cathode metal piece, light cover board, sheet and positive conductive
Substrate is from top to bottom sequentially connected；The cathode upper substrate, negative electrode insulator, light cover board, sheet and cathode conductive substrate by
It is sequentially connected under；It is described anode sealing ring pass through sheet, upper and lower surface respectively with light cover board and anode conductive substrate
Connection；The cathode sealing ring passes through sheet, upper and lower surface to be connect respectively with light cover board and cathode conductive substrate；The modeling
Film is provided with several mounting holes, and the lower surface of the smooth cover board is provided with several locating slots；Several ceramics poles pass through institute
State mounting hole, upper surface is connected to the locating slot of light cover board lower surface, lower surface be connected to anode conductive substrate and
Cathode conductive substrate；The anode conductive substrate upper surface is provided with positive conductive column, and the positive conductive column sequentially passes through modeling
Film, positive sealing ring, light cover board, cathode metal piece and positive upper substrate, and be connected with positive upper substrate；The negative conductive
Substrate is provided with negative conductive column, and the negative conductive column sequentially passes through sheet, cathode sealing ring, light cover board, negative insulation
Plate and cathode upper substrate, and be connected with cathode upper substrate.
Further, it is respectively arranged on the cylindrical surface of the positive conductive column and cylindrical surface of negative conductive column several
Air discharge duct, the anode conductive substrate and cathode conductive substrate are provided with several exhaust holes；Row on the negative conductive column
Air drain is extended to the upper surface of cathode conductive substrate by negative conductive column upper surface, and the air discharge duct on the positive conductive column is by just
Pole conductive column upper surface extends to the upper surface of anode conductive substrate.
Further, the upper surface of the cathode conductive substrate is provided with the first protrusion along the circle of negative conductive column one；It is described
The upper surface of anode conductive substrate is provided with the first protrusion along the circle of positive conductive column one；First protrusion is sealed with cathode respectively
The lower surface top pressure contact of circle and positive sealing ring；Several exhaust holes are set to the outside of the first protrusion.
Further, the cathode upper substrate includes the first cathode upper substrate and the second cathode upper substrate；Described first is negative
The material of pole upper substrate is copper, and the material of the second cathode upper substrate is aluminium；Base on the negative conductive column and the first cathode
Plate connects.
Further, the positive upper substrate and cathode metal piece are respectively arranged with positive connecting hole, first cathode
Upper substrate and negative electrode insulator are respectively arranged with cathode connecting hole, and the smooth cover board and sheet are respectively arranged with positive connecting hole
With cathode connecting hole；The positive conductive column sequentially passes through the anode of the positive connecting hole of sheet, positive sealing ring, light cover board
The positive connecting hole of connecting hole, cathode metal piece；The negative conductive column (1001) sequentially pass through sheet cathode connecting hole,
The cathode company of cathode sealing ring, the cathode connecting hole of light cover board, the cathode connecting hole of negative electrode insulator and the first cathode upper substrate
Connect hole.
Further, along positive connecting hole and the circle of cathode connecting hole one, to be each provided with second convex for the lower surface of the smooth cover board
It rises, the diameter of second protrusion is more than the diameter of the first protrusion；To be connected to anode close for top pressure respectively for the second raised top pressure
The upper surface of seal and cathode sealing ring.
Further, the lower surface of the negative electrode insulator is provided with shirt rim along the circle of cathode connecting hole one, the shirt rim by
The upper surface of negative electrode insulator extends through the cathode connecting hole of light cover board, is connect with the upper surface top pressure of cathode sealing ring.
Advantageous effect：Beneficial effects of the present invention are as described below：(1) a kind of battery cover board in anode conductive substrate and is born
It is provided with gas vent on the electrically-conductive backing plate of pole, air discharge duct is provided on positive conductive column and negative conductive column, when inside battery
When pressure is more than the pressure that positive sealing ring and cathode sealing ring are set, the gas of inside battery is open-top by sealing ring, passes through successively
It is discharged by gas vent and air discharge duct, improves the explosion-proof performance of battery；(2) a kind of battery cover board, in the following table of negative electrode insulator
Face is provided with shirt rim, and the air insulated between negative conductive column and light cover board is changed to be physically isolated, enhances isolation effect.
Description of the drawings
Attached drawing 1 is the Structure explosion diagram of the present invention；
Attached drawing 2 is the vertical view of the present invention；
Attached drawing 3 is D-D sectional views in attached drawing 2；
Attached drawing 4 is the enlarged drawing of part A in attached drawing 3；
Attached drawing 5 is the structural schematic diagram of negative electrode insulator of the present invention；
Attached drawing 6 is the structural schematic diagram of anode conductive substrate of the present invention；
Attached drawing 7 is the structural schematic diagram of cathode conductive substrate of the present invention；
Attached drawing 8 is the structural schematic diagram of cathode upper substrate of the present invention.
Specific implementation mode
The present invention is further described below in conjunction with the accompanying drawings.
A kind of battery cover board as shown in attached drawing 1 to 8, including positive upper substrate 1, cathode upper substrate 2, cathode metal piece 3,
Negative electrode insulator 4, light cover board 5, sheet 6, positive sealing ring 7, cathode sealing ring 8, anode conductive substrate 9, negative conductive base
Plate 10 and several ceramics poles 14；The anode upper substrate 1, cathode metal piece 3, light cover board 5, sheet 6 and anode conductive substrate 9
From top to bottom it is sequentially connected；The cathode upper substrate 2, negative electrode insulator 4, light cover board 5, sheet 6 and cathode conductive substrate 10
From top to bottom it is sequentially connected；It is described anode sealing ring 7 pass through sheet 6, upper and lower surface respectively with light cover board 5 and positive conductive
Substrate 9 connects；The cathode sealing ring 8 pass through sheet 6, upper and lower surface respectively with light cover board 5 and cathode conductive substrate 10
Connection；The sheet 6 is provided with several mounting holes 601, and the lower surface of the smooth cover board 5 is provided with several locating slots 502；If
The dry ceramics pole 14 passes through the mounting hole 601, and upper surface is connected to the locating slot 502 of 5 lower surface of light cover board, following table
Face is connected to anode conductive substrate 9 and cathode conductive substrate 10；9 upper surface of the anode conductive substrate is provided with anode and leads
Electric column 901, the positive conductive column 901 sequentially pass through sheet 6, positive sealing ring 7, light cover board 5, cathode metal piece 3 and just
Pole upper substrate 1, and be connected with positive upper substrate 1；The cathode conductive substrate 10 is provided with negative conductive column 1001, the cathode
Conductive column sequentially passes through sheet 6, cathode sealing ring 8, light cover board 5, negative insulation plate 4 and cathode upper substrate 2, and on cathode
Substrate 2 is connected.
It is additionally provided with burst disk in the upper surface of light cover board 5.
One end of the wherein lower surface of light cover board 5 is provided with boss, and the upper surface setting of sheet 6 is fluted, described convex
Platform cooperates with groove so that light cover board 5 and sheet 6 quickly position.
On the cylindrical surface of the positive conductive column 901 and it is respectively arranged with several rows on the cylindrical surface of negative conductive column 1001
Air drain 11, the anode conductive substrate 9 and cathode conductive substrate 10 are provided with several exhaust holes 12；The negative conductive column
Air discharge duct 11 on 1001 is extended to the upper surface of cathode conductive substrate 10 by 1001 upper surface of negative conductive column, and the anode is led
Air discharge duct 11 on electric column 901 is extended to the upper surface of anode conductive substrate 9 by 901 upper surface of positive conductive column.
The upper surface of the cathode conductive substrate 10 is provided with the first protrusion 13 along the circle of negative conductive column 1,001 1；It is described just
The upper surface of pole electrically-conductive backing plate 9 is provided with the first protrusion 13 along the circle of positive conductive column 901 1；First protrusion 13 respectively with it is negative
The lower surface top pressure contact of pole sealing ring 8 and positive sealing ring 7；Several exhaust holes 12 are set to the outer of the first protrusion 13
Portion.
The cathode upper substrate 2 includes the first cathode upper substrate 201 and the second cathode upper substrate 202；First cathode
The material of upper substrate 201 is copper, and the material of the second cathode upper substrate 202 is aluminium；The negative conductive column 1001 and first
Cathode upper substrate 201 connects.
The anode upper substrate 1 and cathode metal piece 3 are respectively arranged with positive connecting hole, the first cathode upper substrate
201 and negative electrode insulator 4 be respectively arranged with cathode connecting hole, the smooth cover board 5 and sheet 6 are respectively arranged with positive connecting hole
With cathode connecting hole；The positive conductive column 901 sequentially passes through the positive connecting hole, positive sealing ring 7, light cover board 5 of sheet 6
Positive connecting hole, cathode metal piece 3 positive connecting hole；The negative conductive column 1001 sequentially passes through the cathode of sheet 6
Connecting hole, cathode sealing ring 8, the cathode connecting hole of light cover board 5, negative electrode insulator 4 cathode connecting hole and the first cathode on base
The cathode connecting hole of plate 201.
The lower surface of the smooth cover board 5 is each provided with the second protrusion 501, institute along positive connecting hole and the circle of cathode connecting hole one
The diameter for stating the second protrusion 501 is more than the diameter of the first protrusion 13；Top pressure is connected to anode to described second raised 501 top pressures respectively
The upper surface of sealing ring 7 and cathode sealing ring 8.
The lower surface of the negative electrode insulator 4 is provided with shirt rim 401 along the circle of cathode connecting hole one, and the shirt rim 401 is by bearing
The upper surface of pole insulating trip 4 extends through the cathode connecting hole of light cover board 5, is connect with the upper surface top pressure of cathode sealing ring 8.
The above is only a preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of battery cover board, it is characterised in that：Including positive upper substrate (1), cathode upper substrate (2), cathode metal piece (3),
Negative electrode insulator (4), light cover board (5), sheet (6), positive sealing ring (7), cathode sealing ring (8), anode conductive substrate
(9), cathode conductive substrate (10) and several ceramics poles (14)；The anode upper substrate (1), cathode metal piece (3), light cover board
(5), sheet (6) and anode conductive substrate (9) are from top to bottom sequentially connected；The cathode upper substrate (2), negative electrode insulator
(4), light cover board (5), sheet (6) and cathode conductive substrate (10) are from top to bottom sequentially connected；The anode sealing ring (7) is worn
Sheet (6) is crossed, upper and lower surface is connect with light cover board (5) and anode conductive substrate (9) respectively；The cathode sealing ring (8)
Across sheet (6), upper and lower surface is connect with light cover board (5) and cathode conductive substrate (10) respectively；The sheet (6) sets
Several mounting holes (601) are equipped with, the lower surface of the smooth cover board (5) is provided with several locating slots (502)；Several ceramics poles
(14) mounting hole (601), upper surface is passed through to be connected to the locating slot (502) of light cover board (5) lower surface, lower surface point
It is not connected to anode conductive substrate (9) and cathode conductive substrate (10)；Anode conductive substrate (9) upper surface is provided with anode
Conductive column (901), the positive conductive column (901) sequentially pass through sheet (6), positive sealing ring (7), light cover board (5), anode
Sheet metal (3) and positive upper substrate (1), and be connected with positive upper substrate (1)；The cathode conductive substrate (10) is provided with cathode
Conductive column (1001), the negative conductive column sequentially pass through sheet (6), cathode sealing ring (8), light cover board (5), negative insulation
Plate (4) and cathode upper substrate (2), and be connected with cathode upper substrate (2).
2. a kind of battery cover board according to claim 1, it is characterised in that：The cylindrical surface of the positive conductive column (901)
Be respectively arranged with several air discharge ducts (11) on the upper and cylindrical surface of negative conductive column (1001), the anode conductive substrate (9) and
Cathode conductive substrate (10) is provided with several exhaust holes (12)；Air discharge duct (11) on the negative conductive column (1001) is by bearing
Pole conductive column (1001) upper surface extends to the upper surface of cathode conductive substrate (10), the row on the positive conductive column (901)
Air drain (11) is extended to the upper surface of anode conductive substrate (9) by positive conductive column (901) upper surface.
3. a kind of battery cover board according to claim 1 or 2, it is characterised in that：The cathode conductive substrate (10) it is upper
Surface is provided with first raised (13) along the circle of negative conductive column (1001) one；The upper surface of the anode conductive substrate (9) is along just
The circle of pole conductive column (901) one is provided with first raised (13)；First raised (13) respectively with cathode sealing ring (8) and anode
The lower surface top pressure contact of sealing ring (7)；Several exhaust holes (12) are set to the outside of first raised (13).
4. a kind of battery cover board according to claim 1, it is characterised in that：The cathode upper substrate (2) includes first negative
Pole upper substrate (201) and the second cathode upper substrate (202)；The material of the first cathode upper substrate (201) be copper, described second
The material of cathode upper substrate (202) is aluminium；The negative conductive column (1001) connect with the first cathode upper substrate (201).
5. a kind of battery cover board according to claim 1, it is characterised in that：The anode upper substrate (1) and cathode metal
Piece (3) is respectively arranged with positive connecting hole, and the first cathode upper substrate (201) and negative electrode insulator (4) are respectively arranged with negative
Pole connecting hole, the smooth cover board (5) and sheet (6) are respectively arranged with positive connecting hole and cathode connecting hole；The anode is led
Electric column (901) sequentially passes through the positive connecting hole of sheet (6), positive sealing ring (7), the positive connecting hole of light cover board (5), just
The positive connecting hole of pole sheet metal (3)；The negative conductive column (1001) sequentially passes through the cathode connecting hole of sheet (6), bears
Pole sealing ring (8), the cathode connecting hole of light cover board (5), the cathode connecting hole of negative electrode insulator (4) and the first cathode upper substrate
(201) cathode connecting hole.
6. a kind of battery cover board according to claim 1 or 5, it is characterised in that：The lower surface of the smooth cover board (5) is along just
Pole connecting hole and the circle of cathode connecting hole one are each provided with second raised (501), and the diameter of described second raised (501) is more than first
The diameter of raised (13)；Top pressure is connected to positive sealing ring (7) and cathode sealing ring (8) respectively for second raised (501)
Upper surface.
7. a kind of battery cover board according to claim 1 or 5, it is characterised in that：The lower surface of the negative electrode insulator (4)
The circle of cathode connecting hole one is provided with shirt rim (401), the shirt rim (401) is extended through by the upper surface of negative electrode insulator (4)
The cathode connecting hole of light cover board (5) is connect with the upper surface top pressure of cathode sealing ring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810541133.8A CN108777267B (en) | 2018-05-30 | 2018-05-30 | Battery cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810541133.8A CN108777267B (en) | 2018-05-30 | 2018-05-30 | Battery cover plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108777267A true CN108777267A (en) | 2018-11-09 |
| CN108777267B CN108777267B (en) | 2021-01-15 |
Family
ID=64027991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810541133.8A Active CN108777267B (en) | 2018-05-30 | 2018-05-30 | Battery cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108777267B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116365131A (en) * | 2023-05-31 | 2023-06-30 | 深圳海辰储能控制技术有限公司 | Energy storage device, battery module and electric equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202495487U (en) * | 2012-02-13 | 2012-10-17 | 东莞新能源科技有限公司 | Power battery and head cover thereof |
| CN203733907U (en) * | 2013-12-31 | 2014-07-23 | 宁德时代新能源科技有限公司 | Safety device of lithium ion battery |
| CN206301846U (en) * | 2016-12-02 | 2017-07-04 | 宁德时代新能源科技股份有限公司 | Top cover structure of power battery and its electrokinetic cell |
| CN207425934U (en) * | 2017-08-14 | 2018-05-29 | 苏州炬鸿通讯电脑科技有限公司 | Cover plate of power battery electrode column sealing device |
-
2018
- 2018-05-30 CN CN201810541133.8A patent/CN108777267B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202495487U (en) * | 2012-02-13 | 2012-10-17 | 东莞新能源科技有限公司 | Power battery and head cover thereof |
| CN203733907U (en) * | 2013-12-31 | 2014-07-23 | 宁德时代新能源科技有限公司 | Safety device of lithium ion battery |
| CN206301846U (en) * | 2016-12-02 | 2017-07-04 | 宁德时代新能源科技股份有限公司 | Top cover structure of power battery and its electrokinetic cell |
| CN207425934U (en) * | 2017-08-14 | 2018-05-29 | 苏州炬鸿通讯电脑科技有限公司 | Cover plate of power battery electrode column sealing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116365131A (en) * | 2023-05-31 | 2023-06-30 | 深圳海辰储能控制技术有限公司 | Energy storage device, battery module and electric equipment |
| CN116365131B (en) * | 2023-05-31 | 2023-08-08 | 深圳海辰储能控制技术有限公司 | Energy storage device, battery module and electric equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108777267B (en) | 2021-01-15 |
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