CN104617242B - A kind of seal assembly and the lithium battery comprising the seal assembly - Google Patents
A kind of seal assembly and the lithium battery comprising the seal assembly Download PDFInfo
- Publication number
- CN104617242B CN104617242B CN201510008025.0A CN201510008025A CN104617242B CN 104617242 B CN104617242 B CN 104617242B CN 201510008025 A CN201510008025 A CN 201510008025A CN 104617242 B CN104617242 B CN 104617242B
- Authority
- CN
- China
- Prior art keywords
- pole
- fine aluminium
- seal assembly
- cover plate
- ring
- 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
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 28
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 239000004411 aluminium Substances 0.000 claims abstract description 49
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 49
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 47
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 230000004888 barrier function Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 230000004323 axial length Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 4
- 229920002313 fluoropolymer Polymers 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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
- 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/14—Cells with non-aqueous electrolyte
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
Abstract
A kind of lithium battery the present invention relates to seal assembly and comprising the seal assembly, seal assembly include positive terminal, cover plate and the inner pressure ring set gradually, and seal assembly also includes sealing ring, fine aluminium set and fine aluminium band.The through hole of center overlapping of axles is offered on cover plate and inner pressure ring, sealing ring is nested on the through hole of cover plate, positive terminal has the first pole and the second pole, second pole is arranged in the through hole of sealing ring, and second pole one end rivets with inner pressure ring, insulate and seals by sealing ring between the first pole and the second pole and cover plate, fine aluminium set parcel inner pressure ring, fine aluminium covers to be insulated between cover plate by sealing ring, and fine aluminium band connects with fine aluminium set.Inner pressure ring is wrapped up using fine aluminium set, while fine aluminium band and fine aluminium set are attached, so as to ensure that the structure that seal assembly is located at lithium battery interior is all-aluminium construction, such a structure design, can preferably solve the problems, such as that lithium battery is stored in hot environment.
Description
Technical field
The present invention relates to field of batteries, the lithium battery more particularly to a kind of seal assembly and comprising the seal assembly.
Background technology
Lithium battery is that one kind by lithium metal or lithium alloy is negative material, uses the battery of non-aqueous electrolytic solution.Lithium electricity
Pond should avoid the ambient storage in high temperature, if the environment temperature of surrounding is too high, gently can then shorten the service life of battery, shadow
The various aspects of performance of battery is rung, seriously may then cause the blast of battery, jeopardize personal safety as well as the property safety.
Solve the problems, such as lithium battery high temperature storage, not only will be from the storage environment improved around lithium battery, will also be from
Made improvements in the self structure of lithium battery, so as to find more suitably solution, to tackle various extreme environments and weather
Challenge to lithium battery.
The content of the invention
The purpose of the present invention is to overcome weak point of the prior art, there is provided one kind can preferably solve lithium battery in height
The seal assembly of storage problem and the lithium battery comprising the seal assembly in warm environment.
The purpose of the present invention is achieved through the following technical solutions：
A kind of seal assembly, including positive terminal, cover plate and the inner pressure ring set gradually, on the cover plate and the inner pressure ring
Offer the through hole of center overlapping of axles；
The positive terminal has the first pole and the second pole, and first pole is connected what is formed with second pole
Cross section is the center overlapping of axles of " T " font, the central shaft of first pole and second pole, first pole
Radius is more than the radius of second pole；
The seal assembly also includes sealing ring, and the sealing ring is nested on the through hole of the cover plate, the sealing ring
On offer through hole with the center overlapping of axles of the cover plate；
Second pole is arranged in the through hole of the sealing ring, and second pole is away from first pole
One end rivets with the inner pressure ring, exhausted by the sealing ring between first pole and second pole and the cover plate
Edge simultaneously seals；
The seal assembly also includes fine aluminium set, and the fine aluminium set wraps up the inner pressure ring, the fine aluminium set and the lid
Insulated between plate by the sealing ring；
The seal assembly also includes fine aluminium band, and the fine aluminium band connects with fine aluminium set.
Preferably, the fine aluminium band uses sealing welding with fine aluminium set.
Preferably, the sealing ring is fluoroplastics.
Preferably, first pole and second pole are cylinder.
Preferably, the axial length of first pole is less than the axial length of second pole.
Preferably, the positive terminal is stainless steel material.
A kind of lithium battery, including above-mentioned seal assembly, in addition to housing, positive plate, negative plate, barrier film, negative lug,
The housing is connected to form a host cavity with the seal assembly, and the positive plate and the negative plate are contained in the host cavity
Interior and be isolated from each other by the barrier film, described negative lug one end is connected with the negative plate, and the other end connects with the housing
Connect, described fine aluminium band one end is connected with the positive plate.
Preferably, the lithium battery also includes upper dead ring and lower dead ring, the upper dead ring and the lower dead ring
It is contained in the host cavity.
Preferably, the housing is box hat.
Inner pressure ring is wrapped up using fine aluminium set, while fine aluminium band and fine aluminium set are attached, so as to ensure that sealing group
The structure that part is located inside host cavity is all-aluminium construction, such a structure design, can preferably solve lithium battery in hot environment
The problem of middle storage, the service life of battery is extended, the battery explosion for preventing high temperature from triggering.
Brief description of the drawings
Fig. 1 is the structure chart of the lithium battery of one embodiment of the invention；
Fig. 2 is the structure chart of the seal assembly of the lithium battery shown in Fig. 1；
Fig. 3 is the structure chart of the positive terminal of the seal assembly shown in Fig. 2；
Fig. 4 is the structure chart of the cover plate of the seal assembly shown in Fig. 2；
Fig. 5 is the structure chart of the inner pressure ring of the seal assembly shown in Fig. 2.
Embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are unlimited
In this.
As shown in figure 1, its structure chart for the lithium battery 10 of one embodiment of the invention.Lithium battery 10 includes：Seal assembly
100th, housing 200, positive plate 300, negative plate 400, barrier film 500, negative lug 600, upper dead ring 700 and lower dead ring 800.
Housing 200 is connected with seal assembly 100 forms a host cavity 900, and positive plate 300 and negative plate 400 are contained in
It is isolated from each other in cavity volume 900 and by barrier film 500.Upper dead ring 700 and lower dead ring 800 are contained in host cavity 900, upper exhausted
Edge ring 700 and lower dead ring 800 are located at the both ends of positive plate 300, negative plate 400 and barrier film 500 respectively, by positive plate 300,
Negative plate 400 and barrier film 500 insulate with housing 200.In the present embodiment, housing 200 is box hat, and positive terminal 300 is stainless steel
Material.In other embodiments, positive terminal 300 can also be other materials, for example, copper, and the material of positive terminal 300 is simultaneously unlimited
In above-mentioned material.
As shown in Fig. 2 the structure chart of the seal assembly 100 for the lithium battery 10 shown in Fig. 1.Seal assembly 100 include according to
Positive terminal 110, cover plate 120 and the inner pressure ring 130 of secondary setting, the logical of center overlapping of axles is offered on cover plate 120 and inner pressure ring 130
Hole.Seal assembly 100 also includes sealing ring 140, fine aluminium set 150 and fine aluminium band 160.
Also referring to Fig. 3, Fig. 4 and Fig. 5, it is respectively the structure chart of positive terminal 110, cover plate 120 and inner pressure ring 130.
Positive terminal 110 has the first pole 112 and the second pole 114, and the first pole 112 is connected shape with the second pole 114
Into cross section be " T " font, the central shaft of the first pole 112 and the second pole 114 center overlapping of axles, the first pole 112
Radius be more than the second pole 114 radius.In the present embodiment, the first pole 112 and the second pole 114 are cylinder, and
The axial length of first pole 112 is less than the axial length of the second pole 114.
Referring to Fig. 2, sealing ring 140 is nested on the through hole of cover plate 120, offered on sealing ring 140 and cover plate 120
The through hole of center overlapping of axles.In the present embodiment, sealing ring 140 is fluoroplastics.
Second pole 114 is arranged in the through hole of sealing ring 140, and the one end of the second pole 114 away from the first pole 112
Riveted with inner pressure ring 130, insulate and seal by sealing ring 140 between the first pole 112 and the second pole 114 and cover plate 120.
It is noted that riveted by positive terminal 110 and inner pressure ring 130, so as to which crush seal circle 140 is sealed with being formed.
Referring to Fig. 2, the parcel inner pressure ring 130 of fine aluminium set 150, passes through sealing ring 140 between fine aluminium set 150 and cover plate 120
Insulation.Fine aluminium band 160 is connected with fine aluminium set 150.Particularly, fine aluminium band 160 uses sealing welding with fine aluminium set 150, is specially
Welded using ultrasonic sealing, and fine aluminium set 150 and fine aluminium band 160 are fine aluminium material.
Referring to Fig. 1, the one end of negative lug 600 is connected with negative plate 400, and the other end is connected with housing 200, fine aluminium
The one end of band 160 is connected with the welding of fine aluminium set 150, the other end with positive plate 300.
Also referring to Fig. 1 and Fig. 2, especially it is noted that being wrapped up inner pressure ring 130 using fine aluminium set 150, simultaneously will
Fine aluminium band 160 is attached with fine aluminium set 150, so as to ensure that the structure that seal assembly 100 is located inside host cavity 110 is complete
Constructed of aluminium, such a structure design, can preferably solve the problems, such as that lithium battery 10 is stored in hot environment, extends battery
Service life, the battery explosion for preventing high temperature from triggering.
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any Spirit Essences without departing from the present invention with made under principle change, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (4)
- A kind of 1. seal assembly, it is characterised in that including the positive terminal, cover plate and inner pressure ring set gradually, the cover plate and institute State the through hole that center overlapping of axles is offered on inner pressure ring；The positive terminal has the first pole and the second pole, first pole be connected with second pole to be formed it is transversal Face is " T " font, the center overlapping of axles of the central shaft of first pole and second pole, the radius of first pole More than the radius of second pole；The seal assembly also includes sealing ring, and the sealing ring is nested on the through hole of the cover plate, is opened on the sealing ring Through hole provided with the center overlapping of axles with the cover plate；Second pole is arranged in the through hole of the sealing ring, and the one end of second pole away from first pole Riveted with the inner pressure ring, between first pole and second pole and the cover plate by sealing ring insulation simultaneously Sealing；The seal assembly also includes fine aluminium set, and the fine aluminium set wraps up the inner pressure ring, the fine aluminium set and the cover plate it Between insulated by the sealing ring；The seal assembly also includes fine aluminium band, and the fine aluminium band connects with fine aluminium set；First pole and second pole are cylinder, and the axial length of first pole is less than second pole Axial length；The fine aluminium band uses sealing welding with fine aluminium set, and the sealing ring is fluoroplastics, and the positive terminal is stainless steel Material.
- A kind of 2. lithium battery, it is characterised in that including the seal assembly described in claim 1, in addition to it is housing, positive plate, negative Pole piece, barrier film, negative lug, the housing are connected to form a host cavity with the seal assembly, the positive plate and described negative Pole piece is contained in the host cavity and is isolated from each other by the barrier film, and described negative lug one end connects with the negative plate Connect, the other end is connected with the housing, and described fine aluminium band one end is connected with the positive plate.
- 3. lithium battery according to claim 2, it is characterised in that the lithium battery also includes upper dead ring and lower insulation Ring, the upper dead ring and the lower dead ring are contained in the host cavity.
- 4. lithium battery according to claim 3, it is characterised in that the housing is box hat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510008025.0A CN104617242B (en) | 2015-01-05 | 2015-01-05 | A kind of seal assembly and the lithium battery comprising the seal assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510008025.0A CN104617242B (en) | 2015-01-05 | 2015-01-05 | A kind of seal assembly and the lithium battery comprising the seal assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104617242A CN104617242A (en) | 2015-05-13 |
| CN104617242B true CN104617242B (en) | 2017-11-17 |
Family
ID=53151595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510008025.0A Active CN104617242B (en) | 2015-01-05 | 2015-01-05 | A kind of seal assembly and the lithium battery comprising the seal assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104617242B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09129197A (en) * | 1995-10-31 | 1997-05-16 | Matsushita Electric Ind Co Ltd | Sealed battery |
| CN101404325A (en) * | 2007-10-05 | 2009-04-08 | 三星Sdi株式会社 | Cap assembly and secondary battery using the same |
| CN103137343A (en) * | 2012-12-29 | 2013-06-05 | 惠州亿纬锂能股份有限公司 | Cylinder battery capacitor |
| CN204464334U (en) * | 2015-01-05 | 2015-07-08 | 惠州亿纬锂能股份有限公司 | A kind of black box and comprise the lithium battery of sealing assembly |
-
2015
- 2015-01-05 CN CN201510008025.0A patent/CN104617242B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09129197A (en) * | 1995-10-31 | 1997-05-16 | Matsushita Electric Ind Co Ltd | Sealed battery |
| CN101404325A (en) * | 2007-10-05 | 2009-04-08 | 三星Sdi株式会社 | Cap assembly and secondary battery using the same |
| CN103137343A (en) * | 2012-12-29 | 2013-06-05 | 惠州亿纬锂能股份有限公司 | Cylinder battery capacitor |
| CN204464334U (en) * | 2015-01-05 | 2015-07-08 | 惠州亿纬锂能股份有限公司 | A kind of black box and comprise the lithium battery of sealing assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104617242A (en) | 2015-05-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110391367A (en) | Cap assembly for secondary battery and secondary battery | |
| CN107768554A (en) | Button sandwich type element and button cell | |
| CN105070860B (en) | A kind of rechargeable battery | |
| CN101847749A (en) | Lithium battery | |
| CN207165621U (en) | Button sandwich type element and button cell | |
| CN101281957B (en) | Closing battery with explosion-proof function | |
| CN206742294U (en) | Battery cap and battery | |
| CN205488385U (en) | Explosion -proof lithium cell structure of high magnification | |
| CN106129273A (en) | The Package casing of a kind of lithium battery and the processing method of this Package casing | |
| CN204464334U (en) | A kind of black box and comprise the lithium battery of sealing assembly | |
| CN104617242B (en) | A kind of seal assembly and the lithium battery comprising the seal assembly | |
| CN101304078B (en) | Explosion-proof battery | |
| CN210956891U (en) | Lithium ion battery with elliptical structure | |
| KR101292534B1 (en) | The safety vent on cylindrical can of secondary battery | |
| CN208225932U (en) | A kind of slim explosion-proof cap of cylindrical lithium ion battery | |
| CN208753380U (en) | A kind of blast resistance construction of cylindrical battery | |
| CN210074065U (en) | Explosion-proof heat dissipation lithium battery packaging structure | |
| CN207517767U (en) | A kind of high intensity drop resistant polymer Li-ion battery structure | |
| CN202120990U (en) | Safety corrosion-resistant aluminum shell | |
| CN206619649U (en) | A kind of lithium-manganese cell | |
| CN211629235U (en) | High-temperature-resistant lithium battery | |
| CN200941401Y (en) | Safety battery | |
| CN208538990U (en) | A kind of cylindrical lithium ion battery new type explosion proof cap | |
| CN207282542U (en) | A kind of new type of safe column type lithium cell | |
| CN208655822U (en) | A kind of cylinder solid state battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190530 Address after: Room 701, Doctoral Building, 419 Longjing Avenue, 448000 Jingmen High-tech Zone, Hubei Province Patentee after: Jingmen Yiwei Lithium Battery Co., Ltd. Address before: 516006 No. 36 Huifeng seven road, Zhongkai hi tech Zone, Huizhou, Guangdong Patentee before: Huizhou EVE Energy Co., Ltd. |