CN101383429A - Method for manufacturing battery and battery manufactured thereby - Google Patents
Method for manufacturing battery and battery manufactured thereby Download PDFInfo
- Publication number
- CN101383429A CN101383429A CNA2008101618646A CN200810161864A CN101383429A CN 101383429 A CN101383429 A CN 101383429A CN A2008101618646 A CNA2008101618646 A CN A2008101618646A CN 200810161864 A CN200810161864 A CN 200810161864A CN 101383429 A CN101383429 A CN 101383429A
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- China
- Prior art keywords
- battery
- insulating barrier
- housing
- electric core
- increase
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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
Abstract
The invention discloses a method for manufacturing batteries and a battery. The method is as follows: an insulating layer is added on manufacturing materials of a battery shell through a coating way; a battery cell is arranged in the shell; the inner surface of the bottom of the shell is made of materials for adding the insulating layer. The battery comprises the battery cell and the shell, wherein the shell is used for containing the battery cell and is connected with the positive plate of the battery cell, and the inner surface of the bottom of the shell is attached with the insulating layer which is added through the coating way. The invention isolates the negative plate of the battery and the shell through adding the insulating layer on the inner surface of the bottom of the battery in the coating way, and improves the use security of the battery when a membrane is not badly bent and under the premise that the effective utilization space inside the shell is less occupied.
Description
Technical field
The present invention relates to the battery technology field, especially relate to a kind of method and battery of making battery.
Background technology
The structure of lithium ion battery generally comprises: electric core and the housing that is enclosed within electric core outside.The electricity core is reeled by positive plate, diaphragm material, negative plate and is made, and housing is connected with positive plate in the electric core.Because of contacting with housing, the negative plate of electric core terminal can cause the short circuit of electric in-core portion, produce a large amount of heats and gas and set off an explosion, so, for preventing battery explosion, the width design of the diaphragm material in the in general electric core is slightly wide than negative plate, contacts with housing to stop the negative plate in the electric core.
Though diaphragm material can stop contacting of negative plate and housing in the battery battery core to a certain extent, but fall owing to the operate miss in the assembling process or in using, reasons such as vibration, collision, negative plate (negative plate of particularly electric core bottom) still contacts with housing easily.The way that prior art addresses this problem has two: the one, at electric core bottom looping insulating tape paper, electric core negative plate lower limb and housing contact short circuit after preventing to reel; The 2nd, at the electric core bottom of winding pad last layer insulation spacer, prevent electric core negative plate and housing contact short circuit.
In research and practice process to prior art, the present inventor finds that there is following problem in prior art:
At electric core bottom looping insulating tape paper, to bear pressure excessive or pressure distribution is uneven because of electric core, easily cause the electric core membrane bending serious, and the barrier film after the bending easily scratched, and causes negative plate to contact and short circuit with housing; Though and the use of insulation spacer can be avoided the hidden danger of barrier film breakage, what taken enclosure interior effectively utilizes the space more, makes the space that holds electric core diminish, and influences battery performance.To sum up, in use there is potential safety hazard in existing battery.
Summary of the invention
The technical problem that the embodiment of the invention will solve provides a kind of method and battery of making battery, makes at not serious bending barrier film, and takies effectively the utilizing under the less prerequisite in space of enclosure interior, prevents battery explosion, improves the fail safe that battery uses.
For solving the problems of the technologies described above, embodiment provided by the present invention is achieved through the following technical solutions:
A kind of method of making battery: increase insulating barrier on the manufactured materials of battery container, described insulating barrier utilizes coating method to increase; With the electric core housing of packing into, described housing bottom inner surface is made by the described manufactured materials that increases insulating barrier.
A kind of battery comprises electric core and housing: described housing is used to hold electric core, is connected with the positive plate of electric core, and the housing bottom inner surface adheres to insulating barrier, and described insulating barrier utilizes coating method to increase.
By technique scheme as can be seen, the embodiment of the invention is by utilizing coating method to increase insulating barrier at the housing bottom inner surface, to isolate electric core negative plate and housing, at not serious bending barrier film, and take effectively utilizing under the less prerequisite in space of enclosure interior, improve the fail safe that battery uses.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the method flow schematic diagram of the embodiment of the invention one;
Fig. 2 is the battery schematic diagram that embodiment of the invention housing bottom inner surface has increased insulating barrier;
Fig. 3 is the method flow schematic diagram of the embodiment of the invention two;
Fig. 4 is the battery schematic diagram that embodiment of the invention housing bottom inner surface and inwall 2-3 millimeter place have increased insulating barrier;
Fig. 5 is the structural representation of embodiment of the invention battery.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention increases insulating barrier by utilize coating method at the housing bottom inner surface, to isolate electric core negative plate and housing, at not serious bending barrier film, and has increased under the prerequisite of effectively utilizing the space of enclosure interior, improves the fail safe that battery uses.
Embodiment one, describe in detail referring to Fig. 1, Fig. 1 is the method flow schematic diagram of the embodiment of the invention.
Step 101: increase insulating barrier on the manufactured materials of battery container, described insulating barrier utilizes coating method to increase.
The battery container bottom interior surface is battery cathode sheet and the easiest zone that directly contacts of battery container, and for preventing to produce blast, needing increases insulating barrier in this zone.
Insulating barrier can directly increase on manufactured materials before the assembling of battery container bottom, also can increase behind the battery container assembled formation, does not influence the realization of the embodiment of the invention.Housing can be aluminium casing.
Described insulating barrier utilizes coating method to increase, and is made of epoxy resin or organosilicon usually, can pass through technologies such as spraying, spin coating and apply; Insulating barrier also can be a hinge, can be pasted by automatic gummed paper adhering machine, does not influence the realization of the embodiment of the invention.
Because of embodiment of the invention insulating barrier is to utilize coating method to increase, thickness is between 50 to 500 microns, and what take enclosure interior effectively utilizes the space minimum, makes enclosure interior have and is large enough to hold the space of electric core, and do not bend electric core membrane.
Step 102: with the electric core housing of packing into, described housing bottom inner surface is made by the described manufactured materials that increases insulating barrier.
Referring to Fig. 2, Fig. 2 has increased the battery schematic diagram of insulating barrier for embodiment of the invention housing bottom inner surface, comprise electric core negative pole leading-out terminal 201, the anodal leading-out terminal 202 of electric core, electric core 203, housing 204, insulating barrier 205, wherein, the anodal leading-out terminal 202 of electricity core negative pole leading-out terminal 201 and electric core is drawn from electric core 203, housing 204 is connected with positive plate in the electric core 203, negative plate and housing 204 that insulating barrier 205 is isolated in the electric core 203.
Described insulating barrier 205 is isolated the battery plus-negative plate ends, does not but make barrier film that serious bending takes place, and avoids barrier film in actual use to be scratched and causes the hidden danger of battery plus-negative plate contact.
The embodiment of the invention is isolated electric core negative plate and housing by utilize coating method to increase insulating barrier at the battery bottom inner surface, makes the not serious bending barrier film of insulating barrier, and take enclosure interior effectively utilize the space minimum, improve the fail safe that battery uses.
Following examples two also increase insulating barrier at battery bottom inner surface and inwall intersection to inwall except the battery bottom inner surface increases insulating barrier in the shell inner surface zone of bottom 2-3mm height.
Embodiment two, describe in detail referring to Fig. 2, Fig. 2 is the method flow schematic diagram of the embodiment of the invention.
Step 201: increase insulating barrier on the manufactured materials of battery container, described insulating barrier utilizes coating method to increase.
The battery bottom inner surface is battery cathode sheet and the zone that battery container directly contacts, and produces blast for the negative plate edge that prevents the battery battery core bottom contacts with housing, and needing increases insulating barrier in this zone.
Insulating barrier can directly increase on manufactured materials before the assembling of battery container bottom, also can increase behind the battery container assembled formation, does not influence the realization of the embodiment of the invention.Housing can be aluminium casing.
Described insulating barrier utilizes coating method to increase, and is made of epoxy resin or organosilicon usually, can pass through technologies such as spraying, spin coating and apply; Insulating barrier also can be a hinge, can be pasted by automatic gummed paper adhering machine, does not influence the realization of the embodiment of the invention.
Embodiment of the invention thickness of insulating layer is between 50 to 500 microns, and what take enclosure interior effectively utilizes the space minimum, makes enclosure interior have to be large enough to hold the space of electric core.
Step 202: with the electric core housing of packing into, described housing bottom inner surface is made by the described manufactured materials that increases insulating barrier.
Described insulating barrier is isolated battery battery core negative plate and housing, does not but make barrier film that serious bending takes place, the hidden danger of avoiding barrier film in actual use to be scratched.
Step 203: increase insulating barrier on the material to inwall at battery container bottom interior surface and inwall intersection in the shell inner surface zone of bottom 2-3mm height, described insulating barrier utilizes coating method to increase.
Referring to Fig. 4, Fig. 4 is the battery schematic diagram that embodiment of the invention housing bottom inner surface and inwall have increased insulating barrier, comprise electric core negative pole leading-out terminal 201, the anodal leading-out terminal 202 of electric core, electric core 203, housing 204, insulating barrier 205, wherein, the anodal leading-out terminal 202 of electricity core negative pole leading-out terminal 201 and electric core is drawn from electric core 203, housing 204 is connected with positive plate in the electric core 203, negative plate and housing 204 that insulating barrier 205 is isolated in the electric core 203.
Increase insulating barrier on the material in battery container bottom interior surface and inwall intersection to inwall in the shell inner surface zone of bottom 2-3mm height, the negative pole that can further prevent battery battery core in use contacts with housing and produces blast.
Described insulating barrier is made of epoxy resin or organosilicon usually, can pass through technologies such as spraying, spin coating and apply; Insulating barrier also can be a hinge, can be pasted by automatic gummed paper adhering machine, does not influence the realization of the embodiment of the invention.
The embodiment of the invention is by isolating battery battery core negative plate and housing utilizing coating method to increase insulating barrier at the battery bottom inner surface, makes the not serious bending barrier film of insulating barrier, and take enclosure interior effectively utilize the space minimum; In addition, also in the shell inner surface zone of bottom 2-3mm height, utilize coating method to increase insulating barrier at battery bottom inner surface and inwall intersection to inwall, the negative plate that further prevents battery battery core in use contacts and produces blast with housing, the fail safe in the use of raising battery.
Need to prove, for aforesaid each method embodiment, for simple description, so it all is expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not subjected to the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in the specification all belongs to preferred embodiment, and related action and module might not be that the present invention is necessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, do not have the part that describes in detail among certain embodiment, can be referring to the associated description of other embodiment.
A kind of method that prevents battery explosion more than is provided, and the embodiment of the invention also provides a kind of battery that prevents battery explosion.
A kind of battery can prevent blast, and referring to Fig. 3, Fig. 3 is the structural representation of embodiment of the invention battery, comprises electric core 301 and housing 302:
Described housing 302 is used to hold electric core, is connected with the positive plate of electric core, and bottom interior surface is attached with insulating barrier, and described insulating barrier utilizes coating method to increase, and thickness is between 50 to 500 microns.
Described insulating barrier specifically can be to be made of epoxy resin or organosilicon, can pass through technologies such as spraying, spin coating and apply; Also can be hinge, can paste, not influence the realization of the embodiment of the invention by automatic gummed paper adhering machine.
Embodiment of the invention battery can also comprise:
Described housing 302 bottom interior surfaces and inwall intersection are attached with insulating barrier to the material of inwall in the shell inner surface zone of bottom 2-3mm height, described insulating barrier utilizes coating method to increase, and thickness is between 50 to 500 microns.
Embodiment of the invention battery is by utilizing coating method to increase insulating barrier at the battery bottom inner surface, to isolate battery battery core negative plate and housing, do not bend barrier film, increasing under the prerequisite of effectively utilizing the space of enclosure interior, improving the fail safe that battery uses.
In addition, also can in the shell inner surface zone of bottom 2-3mm height, utilize coating method to increase insulating barrier at battery bottom inner surface and inwall intersection to inwall, the negative pole that further prevents battery battery core in use contacts with housing and produces blast, further improves the fail safe that battery uses.
More than a kind of method and battery of making battery that the embodiment of the invention provided is described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (8)
1, a kind of method of making battery is characterized in that:
Increase insulating barrier on the manufactured materials of battery container, described insulating barrier utilizes coating method to increase;
With the electric core housing of packing into, described housing bottom inner surface is made by the described manufactured materials that increases insulating barrier.
2, the method for manufacturing battery according to claim 1 is characterized in that, described the electric core housing of packing into is also comprised:
Described housing bottom inner surface and inwall intersection to inwall is made by the described manufactured materials that increases insulating barrier from the shell inner surface of bottom 2-3 millimeter height.
3, the method for manufacturing battery according to claim 1 and 2 is characterized in that, described insulating barrier utilizes the coating method increase to be specially:
On manufactured materials, apply epoxy resins insulation layer or organic silicon insulation layer by spraying coating process, spin coating proceeding.
4, the method for manufacturing battery according to claim 1 and 2 is characterized in that, described insulating barrier utilizes the coating method increase to be specially:
Use automatic gummed paper adhering machine on manufactured materials, to paste hinge.
5, the method for manufacturing battery according to claim 1 and 2 is characterized in that, described thickness of insulating layer is between 50 to 500 microns.
6, a kind of battery comprises electric core and housing, and described housing is used to hold electric core, is connected with the positive plate of electric core, it is characterized in that:
The housing bottom inner surface adheres to insulating barrier, and described insulating barrier utilizes coating method to increase.
7, battery according to claim 6 is characterized in that, also comprises:
The bottom of described housing and inwall intersection are attached with insulating barrier to the manufactured materials of inwall in the shell inner surface zone of bottom 2-3mm height, and described insulating barrier utilizes coating method to increase.
8, battery according to claim 6 is characterized in that: described thickness of insulating layer is between 50 to 500 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101618646A CN101383429A (en) | 2008-10-09 | 2008-10-09 | Method for manufacturing battery and battery manufactured thereby |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101618646A CN101383429A (en) | 2008-10-09 | 2008-10-09 | Method for manufacturing battery and battery manufactured thereby |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101383429A true CN101383429A (en) | 2009-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101618646A Pending CN101383429A (en) | 2008-10-09 | 2008-10-09 | Method for manufacturing battery and battery manufactured thereby |
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| Country | Link |
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| CN (1) | CN101383429A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101853926A (en) * | 2010-06-22 | 2010-10-06 | 深圳市豪鹏科技有限公司 | Battery steel shell and insulating method and battery thereof |
| CN102709499A (en) * | 2012-06-19 | 2012-10-03 | 深圳市科达利实业股份有限公司 | High-safety power battery shell and manufacturing method thereof |
| CN103050731A (en) * | 2012-12-18 | 2013-04-17 | 天津力神电池股份有限公司 | Preparation method for insulating coating of lithium ion battery case and lithium ion battery |
| CN104284060A (en) * | 2013-07-12 | 2015-01-14 | 鸿富锦精密工业（深圳）有限公司 | Camera module |
| CN106299167A (en) * | 2016-09-29 | 2017-01-04 | 中航锂电（洛阳）有限公司 | Li battery shell and use lithium battery and the lithium battery manufacture method of this shell |
| CN107681094A (en) * | 2017-09-20 | 2018-02-09 | 东莞市沃泰通新能源有限公司 | A kind of cylindrical battery configuration |
| CN109219902A (en) * | 2016-05-31 | 2019-01-15 | 株式会社村田制作所 | Electric energy storage device |
| CN115663359A (en) * | 2022-09-23 | 2023-01-31 | 三一红象电池有限公司 | Battery manufacturing method and battery |
-
2008
- 2008-10-09 CN CNA2008101618646A patent/CN101383429A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101853926A (en) * | 2010-06-22 | 2010-10-06 | 深圳市豪鹏科技有限公司 | Battery steel shell and insulating method and battery thereof |
| CN102709499A (en) * | 2012-06-19 | 2012-10-03 | 深圳市科达利实业股份有限公司 | High-safety power battery shell and manufacturing method thereof |
| CN103050731A (en) * | 2012-12-18 | 2013-04-17 | 天津力神电池股份有限公司 | Preparation method for insulating coating of lithium ion battery case and lithium ion battery |
| CN104284060A (en) * | 2013-07-12 | 2015-01-14 | 鸿富锦精密工业（深圳）有限公司 | Camera module |
| CN109219902A (en) * | 2016-05-31 | 2019-01-15 | 株式会社村田制作所 | Electric energy storage device |
| CN106299167A (en) * | 2016-09-29 | 2017-01-04 | 中航锂电（洛阳）有限公司 | Li battery shell and use lithium battery and the lithium battery manufacture method of this shell |
| CN107681094A (en) * | 2017-09-20 | 2018-02-09 | 东莞市沃泰通新能源有限公司 | A kind of cylindrical battery configuration |
| CN107681094B (en) * | 2017-09-20 | 2022-06-21 | 东莞市沃泰通新能源有限公司 | Cylindrical battery structure |
| CN115663359A (en) * | 2022-09-23 | 2023-01-31 | 三一红象电池有限公司 | Battery manufacturing method and battery |
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| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090311 |