CN104966809A - Lithium ion battery with shell electrifying function - Google Patents
Lithium ion battery with shell electrifying function Download PDFInfo
- Publication number
- CN104966809A CN104966809A CN201510428528.3A CN201510428528A CN104966809A CN 104966809 A CN104966809 A CN 104966809A CN 201510428528 A CN201510428528 A CN 201510428528A CN 104966809 A CN104966809 A CN 104966809A
- Authority
- CN
- China
- Prior art keywords
- ring
- lithium ion
- ion battery
- cover plate
- conductive pole
- 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.)
- Pending
Links
Classifications
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- 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
- H01M50/572—Means for preventing undesired use or discharge
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- 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
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
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- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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 provides a lithium ion battery with a shell electrifying function. The lithium ion battery comprises an insulation part, wherein an electric conduction column is arranged at the center inside the insulation part, the top of the electric conduction column penetrates through the insulation part, and the bottom of the electric conduction column is fixed in the insulation part; a resistance ring is embedded at the outer side of the electric conduction column and is in tight contact with the outer surface of the electric conduction column, a cover plate piece is embedded below the resistance ring and outside the electric conduction column, the upper end surface of the cover plate piece and the lower end surface of the resistance ring are in tight contact, and the cover plate piece is fixedly connected with the bottom of the electric conduction column through a rotation preventing ring; a clearance exists between the cover plate piece and the electric conduction column and is filled with a sealing ring; the resistance ring, the sealing ring and the rotation preventing ring are all positioned inside the insulation part. According to the battery structure, through the conduction of the resistance ring and the cover plate piece, further the shell of the battery is electrified, an extra current loop is formed when the battery is in short circuit due to abuse or accidents, and the shunting effect is achieved, so that the safety performance is promoted.
Description
Technical field
The invention belongs to field of lithium, especially relate to a kind of lithium ion battery with housing band Electricity Functional.
Background technology
The application of lithium-ion-power cell has become the trend of automobile industry development as new-energy automobile industrialization, industry also improves day by day to battery energy density, power density needs; And the security performance of high energy density cells is one of difficult problem of industry development.
Summary of the invention
The problem that the invention will solve is to provide a kind of lithium ion battery with housing band Electricity Functional that can improve battery safety.
For solving the problems of the technologies described above, the technical scheme that the invention adopts is: a kind of lithium ion battery with housing band Electricity Functional, is characterized in that: comprise insulating part, and described insulating part inside center is provided with conductive pole, insulating part is run through at described conductive pole top, and bottom is fixed in insulating part; A nested resistance ring outside described conductive pole, described resistance ring contacts with conductive pole intimate, below described resistance ring, a conductive pole also nested cover plate sheet outward, the upper surface of cover plate sheet and resistance ring lower surface close contact, described cover plate sheet is fixedly connected with bottom conductive pole by expansion controlling ring-shaped insert, and expansion controlling ring-shaped insert plays the effect of fixed cap plate and conductive pole relative position simultaneously.
There is gap between described cover plate sheet and conductive pole, in described gap, be filled with sealing ring, fluid tight to guarantee conductive pole entirety.
Described resistance ring, sealing ring, expansion controlling ring-shaped insert are all positioned at insulating part.
Further, outside described conductive pole, be provided with groove, the built-in jump ring for fixing conductive pole, insulating part.
Further, annular groove is provided with inside described cover plate sheet, for spacing resistance ring.
Further, described sealing ring is high polymer elastic material.
Further, described resistance ring is contact resistance, and its resistance size is passed through adjustment and the contact-making surface between conductive pole and cover plate sheet and pressure and realized.
Further, described resistance ring is high tenacity corrosion resistant electric conducting material, preferably, is AL3003H14 aluminium material.
Further, resistance ring resistance size is 0.1m Ω-1000m Ω.The thickness of described resistance ring is 0.5mm-5mm.
The advantage that the present invention has and good effect are: this lithium battery structure is by resistance ring and the conducting of cover plate sheet, cover plate sheet welds with battery container and makes battery container charged further, forms extra current circuit at battery, play shunting action, promotes security performance because of abuse or when being surprisingly short-circuited.Simultaneously this pole column structure good airproof performance, can effectively prevent polar-column rotation, assembling easily, cost is low.
Accompanying drawing explanation
Fig. 1 is the sectional structure chart that the present invention has the lithium ion battery of housing band Electricity Functional.
In figure:
1, conductive pole; 2, resistance ring; 3, cover plate sheet; 4, expansion controlling ring-shaped insert; 5, sealing ring; 6, annular groove 6; 7, jump ring; 8, insulating part.
Embodiment
Have a lithium ion battery for housing band Electricity Functional, comprise insulating part 8, insulating part 8 inside center is provided with conductive pole 1, and insulating part 8 is run through at conductive pole 1 top, and bottom is fixed in insulating part 8; A nested resistance ring 2 outside conductive pole 1, resistance ring 2 inner ring surface contacts with conductive pole 1 intimate, and resistance ring 2 is contact resistance, and its resistance size is passed through adjustment and the contact-making surface between conductive pole 1 and cover plate sheet 3 and pressure and realized.Resistance ring 2 is high tenacity corrosion resistant electric conducting material, is AL3003 H14 aluminium material in the present embodiment.The thick 3mm of ring, external diameter 21mm, internal diameter 14mm, resistance ring 2 resistance size is 0.5m Ω-1.5m Ω.
Below resistance ring 2, the outer also nested cover plate sheet 3 of conductive pole 1, the upper surface of cover plate sheet 3 and resistance ring 2 lower surface close contact, cover plate sheet 3 is fixedly connected with bottom conductive pole 1 by expansion controlling ring-shaped insert 4, and expansion controlling ring-shaped insert 4 plays the effect of fixed cap plate 3 and conductive pole 1 relative position simultaneously.There is gap between cover plate sheet 3 and conductive pole 1, be filled with sealing ring 5 in gap, sealing ring 5 is high polymer elastic material, to guarantee that conductive pole 1 is overall fluid tight.
Resistance ring 2, sealing ring 5, expansion controlling ring-shaped insert 4 are all positioned at insulating part 8.Groove is provided with, the built-in jump ring 7 for fixing conductive pole 1, insulating part 8 outside conductive pole 1.Annular groove 6 is provided with, for spacing resistance ring 2 inside cover plate sheet 3.
This lithium battery structure is by resistance ring 2 and cover plate sheet 3 conducting, and cover plate sheet 3 welds with battery container, makes battery container charged further, forms extra current circuit at battery, play shunting action, promotes security performance because of abuse or when being surprisingly short-circuited.Simultaneously this battery structure good airproof performance, can effectively prevent polar-column rotation, assembling easily, cost is low.
Above the embodiment of the invention has been described in detail, but described content being only the preferred embodiment of the invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the invention scope change and improve, and all should still belong within this patent covering scope.
Claims (9)
1. have a lithium ion battery for housing band Electricity Functional, it is characterized in that: comprise insulating part, described insulating part inside center is provided with conductive pole, and insulating part is run through at described conductive pole top, and bottom is fixed in insulating part; A nested resistance ring outside described conductive pole, described resistance ring contacts with conductive pole intimate, below described resistance ring, a conductive pole also nested cover plate sheet outward, the upper surface of cover plate sheet and resistance ring lower surface close contact, described cover plate sheet is fixedly connected with bottom conductive pole by expansion controlling ring-shaped insert; There is gap between described cover plate sheet and conductive pole, in described gap, be filled with sealing ring; Described resistance ring, sealing ring, expansion controlling ring-shaped insert are all positioned at insulating part.
2. the lithium ion battery with housing band Electricity Functional according to claim 1, is characterized in that: be provided with groove outside described conductive pole, the built-in jump ring for fixing conductive pole, insulating part.
3. the lithium ion battery with housing band Electricity Functional according to claim 1, is characterized in that: be provided with annular groove inside described cover plate sheet, for spacing resistance ring.
4. the lithium ion battery with housing band Electricity Functional according to claim 1, is characterized in that: described sealing ring is high polymer elastic material.
5. the lithium ion battery with housing band Electricity Functional according to claim 1, is characterized in that: described resistance ring is contact resistance, and its resistance size is passed through adjustment and the contact-making surface between conductive pole and cover plate sheet and pressure and realized.
6. the lithium ion battery with housing band Electricity Functional according to claim 1, is characterized in that: described resistance ring is high tenacity corrosion resistant electric conducting material.
7. the lithium ion battery with housing band Electricity Functional according to claim 6, is characterized in that: described resistance ring is AL3003H14 aluminium material.
8. the lithium ion battery with housing band Electricity Functional according to claim 1, is characterized in that: resistance ring resistance size is 0.1m Ω-1000m Ω.
9. the lithium ion battery with housing band Electricity Functional according to claim 1, is characterized in that: the thickness of described resistance ring is 0.5mm-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510428528.3A CN104966809A (en) | 2015-07-20 | 2015-07-20 | Lithium ion battery with shell electrifying function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510428528.3A CN104966809A (en) | 2015-07-20 | 2015-07-20 | Lithium ion battery with shell electrifying function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104966809A true CN104966809A (en) | 2015-10-07 |
Family
ID=54220817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510428528.3A Pending CN104966809A (en) | 2015-07-20 | 2015-07-20 | Lithium ion battery with shell electrifying function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104966809A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054330A (en) * | 2019-12-26 | 2021-06-29 | 比亚迪股份有限公司 | Battery module and power battery pack and electric automobile with same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004319463A (en) * | 2003-03-28 | 2004-11-11 | Matsushita Electric Ind Co Ltd | Secondary battery |
| CN101997133A (en) * | 2009-08-14 | 2011-03-30 | Sb锂摩托有限公司 | Rechargeable battery |
| CN102487135A (en) * | 2010-12-02 | 2012-06-06 | Sb锂摩托有限公司 | Rechargeable battery |
| CN203150629U (en) * | 2013-02-25 | 2013-08-21 | 宁德新能源科技有限公司 | Power battery safe top cover |
| CN204333057U (en) * | 2015-01-22 | 2015-05-13 | 宁德新能源科技有限公司 | Electrokinetic cell and electrokinetic cell top cover |
-
2015
- 2015-07-20 CN CN201510428528.3A patent/CN104966809A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004319463A (en) * | 2003-03-28 | 2004-11-11 | Matsushita Electric Ind Co Ltd | Secondary battery |
| CN101997133A (en) * | 2009-08-14 | 2011-03-30 | Sb锂摩托有限公司 | Rechargeable battery |
| CN102487135A (en) * | 2010-12-02 | 2012-06-06 | Sb锂摩托有限公司 | Rechargeable battery |
| CN203150629U (en) * | 2013-02-25 | 2013-08-21 | 宁德新能源科技有限公司 | Power battery safe top cover |
| CN204333057U (en) * | 2015-01-22 | 2015-05-13 | 宁德新能源科技有限公司 | Electrokinetic cell and electrokinetic cell top cover |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054330A (en) * | 2019-12-26 | 2021-06-29 | 比亚迪股份有限公司 | Battery module and power battery pack and electric automobile with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151007 |
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| RJ01 | Rejection of invention patent application after publication |