CN106374060A - Square shell of lithium battery or power lithium battery - Google Patents
Square shell of lithium battery or power lithium battery Download PDFInfo
- Publication number
- CN106374060A CN106374060A CN201610891741.2A CN201610891741A CN106374060A CN 106374060 A CN106374060 A CN 106374060A CN 201610891741 A CN201610891741 A CN 201610891741A CN 106374060 A CN106374060 A CN 106374060A
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- shell
- cavity
- square shell
- safety
- 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
-
- 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
-
- 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
-
- 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
- H01M50/342—Non-re-sealable arrangements
- H01M50/3425—Non-re-sealable arrangements in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
-
- 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 relates to a square shell of a lithium battery or a power lithium battery. The square shell is a square cavity with one end opened, a safety wire is arranged on a side surface of the cavity and is internally sunken from the surface of the cavity, a surface, which is expanded when the lithium battery is failure, is right corresponding to an inner wall, of a side wherein the safety wire is pressed, of the shell, thus, the inner wall of the cavity of the square shell is extruded and the safety wire also begins to be torn outwards when a chemical material in the battery begins to be failure and is expanded outwards; when the inner wall is extruded to a certain extent, the safety wire will be broken to achieve effects of pressure relief and explosion prevention; and in such a case, the reaction time of the safety wire which is broken is short, a user is easy to found that the battery begins to be failure or not from appearance when the shell is extruded outwards, at the moment, the lithium battery can be timely replaced, and thus, the safety of the lithium battery or the power lithium battery is improved. Therefore, the square shell is more reasonable in structure and higher in safety performance.
Description
Technical field
The present invention relates to a kind of dynamic lithium battery.
Background technology
It is known that lithium battery plays pressure release, explosion-proof purpose by arranging safe aluminium foil or safety line.Traditional lithium battery
Safe aluminium foil or safety line be on the sealing plug be located at shell, when in lithium battery chemical material positive and negative electrode lost efficacy after produce
Raw substantial amounts of gas, gas slowly spreads in inside the shell, just can make aluminium foil when the gas pressure of inside the shell reaches to a certain degree
Explosion or crack out safety line, to play pressure release, explosion-proof, the air pressure in therefore traditional lithium battery reaches could during peak value
Play explosion-proof action, therefore its pressure release, explosion-proof reaction is slow, and from case surface, user cannot find that battery is at all
No start lost efficacy, lead to the safety of current lithium battery relatively low.For the plug arranging safe aluminium foil, the inner core material of battery holds
Easily block the explosionproof hole at aluminium foil place, and lead to lose explosion-proof.
Content of the invention
The purpose of the present invention is to be to overcome the deficiencies in the prior art, there is provided a kind of more reasonable structure, can improve lithium electricity
Pond or the square shell of dynamic lithium battery safety in utilization.
In order to solve above-mentioned technical problem, the present invention adopts following technical proposals:
A kind of lithium battery or dynamic lithium battery square shell, it is the square cavity of one end open, on described cavity side
It is provided with the safety line from its concave surface.
In the improvement project to above-mentioned lithium battery or dynamic lithium battery square shell, in the facing both sides of described cavity
Safety line from its concave surface is equipped with surface.
Compared with prior art, the invention has the beneficial effects as follows: due to being provided with from its concave surface on cavity side
Safety line, and make that face that lithium battery expanded when losing efficacy just correspond to that side inwall that shell is pressed with safety line, this
While the chemical material that sample is worked as in battery starts inefficacy outward expansion, the cavity inner wall of extruding square shell, make safety line
Start to tear outward, when extruding to a certain extent, safety line just ruptures, to play pressure release, explosion-proof effect, in this case
Safety line occurs the response time of rupture short, and when shell extrudes outward, user is very easy to find battery in appearance
Whether start to lose efficacy, at this moment can change lithium battery with timely, thus improve the safety of lithium battery or dynamic lithium battery, because
The more reasonable structure of this present invention, security performance are higher.
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings:
[brief description]
Fig. 1 is the schematic perspective view of the embodiment of the present invention.
[specific embodiment]
The present invention is a kind of lithium battery or dynamic lithium battery square shell, as shown in figure 1, it is the square cavity of one end open
1, the safety line 2 from its concave surface is provided with described cavity 1 side.When using, lithium battery is encased in the chamber of shell
Internal it should be noted that expanding lithium battery when losing efficacy is facing to that side inwall being pressed with safety line, Ran Houyong
Plug blocks its opening, that is, complete the assembling of dynamic lithium battery.
In use for some time, lithium battery or dynamic lithium battery occurred when using for lithium battery or dynamic lithium battery
Fill, electric discharge during work makes brownout, or barrier film punctures, and leads to battery failure, and produces gas and lead to inner core material to occur
Qualitative change, and outward expansion, extrude the cavity inner wall of square shell simultaneously, make safety line also begin to tear outward, certain when being expressed to
During degree, safety line just ruptures, to play pressure release, explosion-proof effect, when safety line occurs the reaction of rupture in this case
Between short, and when shell extrudes outward, user is very easy to find whether battery starts to lose efficacy in appearance, at this moment just permissible
In time change lithium battery, thus improve the safety of dynamic lithium battery, therefore the more reasonable structure of the present invention, security performance be more
High.
Preferably, the safety line 2 from its concave surface is equipped with the facing both side surface of described cavity 1, so
Chemical material in battery starts to lose efficacy toward during the expansion of both sides, acts simultaneously on this two sides in cavity, to improve mistake
The response time of effect.
The shape of safety line can be circular, square, star, straight line etc..Under normal circumstances, safety line 2 is pressed in cavity table
The medium position in face, because the center digression of housing face and the ultimate range in sideline, the most easily deforms in the plane
Position, so starting to expand outward from middle part at first when expanding, is also that expansion is the most severe.In the present embodiment, except
It is pressed with outside the safety line of circle in the medium position of housing surface, also in the diagonal positions at four angles, be provided with straight safety
Line, so can improve the susceptiveness of reaction of losing efficacy.
It is only preferred embodiments of the present invention in sum, be not used for limiting the practical range of the present invention, i.e. Fan Yiben
Equivalence changes and modification that the content of patent application the scope of the claims is made, all should belong to the technology category of the present invention.
Claims (2)
1. a kind of lithium battery or dynamic lithium battery square shell, its for one end open square cavity it is characterised in that in institute
State cavity side and be provided with the safety line from its concave surface.
2. lithium battery according to claim 1 or dynamic lithium battery square shell are it is characterised in that practise physiognomy in described cavity
To both side surface on be equipped with safety line from its concave surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610891741.2A CN106374060A (en) | 2016-10-12 | 2016-10-12 | Square shell of lithium battery or power lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610891741.2A CN106374060A (en) | 2016-10-12 | 2016-10-12 | Square shell of lithium battery or power lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106374060A true CN106374060A (en) | 2017-02-01 |
Family
ID=57895277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610891741.2A Pending CN106374060A (en) | 2016-10-12 | 2016-10-12 | Square shell of lithium battery or power lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106374060A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107958964A (en) * | 2017-12-21 | 2018-04-24 | 苏州精控能源科技有限公司 | Automobile using anti-explosion battery babinet |
| CN108123081A (en) * | 2017-12-21 | 2018-06-05 | 苏州精控能源科技有限公司 | Automobile batteries explosion-proof tank |
| CN108215084A (en) * | 2018-03-22 | 2018-06-29 | 陈希华 | A kind of lithium battery kit injection mold |
| CN109346324A (en) * | 2018-11-28 | 2019-02-15 | 铜陵市新洲电子科技有限责任公司 | A kind of low voltage parallel capacitor with multilayer blast resistance construction |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202996944U (en) * | 2012-12-25 | 2013-06-12 | 深圳市鼎力源科技有限公司 | Novel explosion-proof structure of battery shell |
| CN103311463A (en) * | 2013-05-30 | 2013-09-18 | 苏州启智机电技术有限公司 | Safety battery |
| CN204289550U (en) * | 2014-12-31 | 2015-04-22 | 中山天贸电池有限公司 | A kind of lithium ion battery with explosion-proof line |
-
2016
- 2016-10-12 CN CN201610891741.2A patent/CN106374060A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202996944U (en) * | 2012-12-25 | 2013-06-12 | 深圳市鼎力源科技有限公司 | Novel explosion-proof structure of battery shell |
| CN103311463A (en) * | 2013-05-30 | 2013-09-18 | 苏州启智机电技术有限公司 | Safety battery |
| CN204289550U (en) * | 2014-12-31 | 2015-04-22 | 中山天贸电池有限公司 | A kind of lithium ion battery with explosion-proof line |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107958964A (en) * | 2017-12-21 | 2018-04-24 | 苏州精控能源科技有限公司 | Automobile using anti-explosion battery babinet |
| CN108123081A (en) * | 2017-12-21 | 2018-06-05 | 苏州精控能源科技有限公司 | Automobile batteries explosion-proof tank |
| CN107958964B (en) * | 2017-12-21 | 2021-04-02 | 苏州精控能源科技有限公司 | Explosion-proof battery box body for automobile |
| CN108215084A (en) * | 2018-03-22 | 2018-06-29 | 陈希华 | A kind of lithium battery kit injection mold |
| CN109346324A (en) * | 2018-11-28 | 2019-02-15 | 铜陵市新洲电子科技有限责任公司 | A kind of low voltage parallel capacitor with multilayer blast resistance construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170201 |