CN201994384U - Lithium ion battery - Google Patents
Lithium ion battery Download PDFInfo
- Publication number
- CN201994384U CN201994384U CN2011200227869U CN201120022786U CN201994384U CN 201994384 U CN201994384 U CN 201994384U CN 2011200227869 U CN2011200227869 U CN 2011200227869U CN 201120022786 U CN201120022786 U CN 201120022786U CN 201994384 U CN201994384 U CN 201994384U
- Authority
- CN
- China
- Prior art keywords
- battery
- circuit board
- front cover
- polymer core
- lithium ion
- 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.)
- Expired - Lifetime
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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
Abstract
The utility model discloses a lithium ion battery, comprising a battery front cover, a circuit board, a polymer battery core, a battery back cover and a metal sheet, wherein the battery front cover is provided with a fastener, and the circuit board is fixedly connected with the battery front cover through the fastener; the circuit board is fixedly connected with an output end of a pole piece of the polymer battery core through spot welding and is electrically connected with the polymer battery core through the pole piece; the bottom end of the polymer battery core is fixedly connected with the battery back cover by using a hot melt adhesive; and the side wall of the polymer battery cover is further covered with a metal sheet. The lithium ion battery has the advantages of small size, large capacity, simple packaging process, high production efficiency, stable mechanical property and low cost.
Description
Technical field
The utility model relates to a kind of lithium ion battery.
Background technology
Along with continuing to bring out of the digital product of jumbotron and superpower amusement function, it is more and more higher to require the energy density of digital battery to require, and lithium ion polymer battery relies on the bigger and good security performance of capacity density to enjoy consumer's favor.But lithium ion polymer battery adopts conventional battery packaging technology, and as adopting the ultrasonic bonding packaging technology, the battery size after the encapsulation is too big, can not satisfy present digital product to the requirement little and capacious of battery volume.
The utility model content
Primary and foremost purpose of the present utility model is to provide a kind of size littler lithium ion battery relatively when satisfying capacity requirement, and its concrete scheme is as follows:
A kind of lithium ion battery comprises Battery Front Cover, circuit board, electrostrictive polymer core, battery bonnet and sheet metal; Described Battery Front Cover is provided with buckle, and described circuit board is connected by described snap fit with described Battery Front Cover; Described circuit board is fixedly connected on the pole piece output of described electrostrictive polymer core by spot welding; Described circuit board is electrically connected by pole piece with described electrostrictive polymer core; Fixedly connected by PUR with described battery bonnet in the bottom of described electrostrictive polymer core; Also be coated with sheet metal on the sidewall of described electrostrictive polymer core.
Described Battery Front Cover is provided with first gum-injecting port, and is fixedly connected by PUR between described Battery Front Cover, described electrostrictive polymer core and the described circuit board.
Preferably, described Battery Front Cover also is provided with the plastic cement connecting rod towards the one side of described circuit board, and described circuit board is provided with jack, and described jack is corresponding with described plastic cement connecting rod position;
Described plastic cement connecting rod is interspersed in described jack, is formed with spacing ennation at the free end hot melt of described plastic cement connecting rod.
Preferably, described sheet metal is fixedly connected on the sidewall of described electrostrictive polymer core by adhesive sticker.
Preferably, be covered with slot behind the described battery, described sheet metal bottom is provided with the ennation with described slot coupling; Described sheet metal is fixedly connected on described battery bonnet by described ennation and described slot.
The beneficial effects of the utility model are:
1, circuit board adopts the mode or the hot melting mode of buckle to connect with Battery Front Cover, and this kind connecting mode can be simplified production technology and production efficiency is provided;
2, the outside sheet metal parcel that adopts of electric core, this kind mode can realize that encapsulation volume is little, structural behaviour is reliable and the low-cost purpose that gets;
3, battery bonnet and sheet metal adopt the buckle mode to connect, and this kind connecting mode can improve the mechanical performance of battery, and the battery that connects by this kind mode can solve the problem of power down pond bonnet in drop test, make battery have mechanical performance reliably;
4, Battery Front Cover and battery bonnet respectively selectivity establish first gum-injecting port and second gum-injecting port, so design gum-injecting port and help battery front and back end injecting glue, not only can improve the precision of battery size but also can enhance productivity.
Lithium ion battery of the present utility model adopts the battery size after the encapsulation of ultrasonic bonding packaging technology relatively, and the lithium ion battery width can be saved the space about 2mm, and thickness can be saved the above space of 0.6mm.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, does not constitute to improper qualification of the present utility model, in the accompanying drawings:
Fig. 1 assembles schematic diagram for the utility model embodiment;
Fig. 2 is the utility model embodiment Battery Front Cover structural representation;
Fig. 3 is the utility model embodiment board structure of circuit schematic diagram;
Fig. 4 is the utility model embodiment Battery Front Cover and circuit board connection diagram;
Fig. 5 is the utility model embodiment battery tail-hood structural representation;
Fig. 6 is the utility model embodiment foil structures schematic diagram.
Embodiment
Describe the utility model in detail below in conjunction with accompanying drawing and specific embodiment, be used for explaining the utility model in this illustrative examples of the present utility model and explanation, but not as to qualification of the present utility model.
Embodiment
Shown in Fig. 1～6, the Battery Front Cover 1 of lithium ion battery, Battery Front Cover 1 integral body is rectangle, and Battery Front Cover 1 is provided with the positive and negative electrode of lithium ion battery, be provided with the cavity of an indent in the bottom of Battery Front Cover 1, and cavity respectively is provided with two through holes 11 at two sidewalls of length direction; Also comprise a circuit board 3, the cavity shape coupling of circuit board 3 shapes and Battery Front Cover 1, and through hole 11 correspondence positions with Battery Front Cover 1 on circuit board 3 also are provided with four first projectioies 31, so, the through hole 11 of Battery Front Cover 1 forms buckle structures with first projection 31 of circuit board 3, and Battery Front Cover 1 and circuit board 3 engage by buckle;
Below Battery Front Cover 1 and circuit board 3, establish electrostrictive polymer core 4, electrostrictive polymer core 4 is around being rolled into tabular, in the electrostrictive polymer core 4 electrolyte is arranged, the anode ear of electrostrictive polymer core 4 and consequent pole ear are located at the top of electrostrictive polymer core 4, and the anode ear of electrostrictive polymer core 4 and negative electrode lug are electrically connected with circuit board 3; Electrostrictive polymer core 4 integral body are fixedlyed connected by the spot welding mode with circuit board 3;
The bottom of electrostrictive polymer core 4 also is provided with battery bonnet 7, the bottom shape coupling of the shape of battery bonnet 7 and electrostrictive polymer core 4, battery bonnet 7 also is provided with second hole for injecting glue, between battery bonnet 7 and electrostrictive polymer core 4, inject PUR 2 by second hole for injecting glue, battery bonnet 7 is fixedlyed connected with electrostrictive polymer core 4;
Other establishes a rectangular sheet metal 6, and these sheet metal 6 width are identical with the height of electrostrictive polymer core 4, and the length of sheet metal 6 is identical with the perimeter side wall of electrostrictive polymer core 4; Sheet metal 6 coats around the sidewall of electrostrictive polymer core 4, in the outside of sheet metal 6, is coated with external packing layer 9.
Improvement as the foregoing description scheme, on Battery Front Cover 1, also be provided with first hole for injecting glue, by first hole for injecting glue, inject PUR 2 in the gap between Battery Front Cover 1, circuit board 3 and electrostrictive polymer core 4, make Battery Front Cover 1, circuit board 3 and electrostrictive polymer core 4 fixedly connected.
Improvement as the foregoing description scheme, adopt the low pressure injection mode by first hole for injecting glue, when second hole for injecting glue is injected PUR 2, can make PUR fully fill space between Battery Front Cover 1, circuit board 3, the electrostrictive polymer core 4 and the space between electrostrictive polymer core 4 and the battery bonnet 7, make Battery Front Cover 1, circuit board 3, electrostrictive polymer core 4 more firm with being connected of battery bonnet 7.
As the part alternative of the foregoing description scheme, Battery Front Cover is provided with plastic cement connecting rod 12 towards 1 one side to circuit board 3, and circuit board 3 is provided with jack, and jack is corresponding with plastic cement connecting rod 12 positions; Plastic cement connecting rod 12 is interspersed in jack, is formed with spacing ennation 121 at the free end hot melt of plastic cement connecting rod 12, and circuit board 3 is fixed in the cavity of battery cover board 1.
As the improvement of the foregoing description scheme, between the sidewall of sheet metal 6 and electrostrictive polymer core 4, set up one deck adhesive sticker 5, but reinforcement metal thin slice 6 and electrostrictive polymer core 4 connection stability.
As the improvement of the foregoing description scheme, the one side that is connected with electrostrictive polymer core 4 at battery bonnet 7 also is provided with two second projectioies, is respectively equipped with slot 71 on two second projectioies; 61, two ennations 61 of ennation that also are provided with two ligules in the bottom of sheet metal 6 are interspersed in respectively in two slots 71 of battery bonnet 7, and sheet metal 6 is fixedlyed connected with battery bonnet 7.
More than technical scheme that the utility model embodiment is provided be described in detail, used specific case herein principle and the execution mode of the utility model embodiment are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand the utility model embodiment; Simultaneously, for one of ordinary skill in the art, according to the utility model embodiment, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as restriction of the present utility model.
Claims (5)
1. lithium ion battery is characterized in that:
Comprise Battery Front Cover, circuit board, electrostrictive polymer core, battery bonnet and sheet metal;
Described Battery Front Cover is provided with buckle, and described circuit board is connected by described snap fit with described Battery Front Cover;
Described circuit board is fixedly connected on the pole piece output of described electrostrictive polymer core by spot welding; Described circuit board is electrically connected by pole piece with described electrostrictive polymer core;
Fixedly connected by PUR with described battery bonnet in the bottom of described electrostrictive polymer core;
Be coated with sheet metal on the sidewall of described electrostrictive polymer core.
2. lithium ion battery as claimed in claim 1 is characterized in that:
Described Battery Front Cover is provided with first gum-injecting port, and is fixedly connected by PUR between described Battery Front Cover, described circuit board and the described electrostrictive polymer core.
3. lithium ion battery as claimed in claim 2 is characterized in that:
Described Battery Front Cover also is provided with the plastic cement connecting rod towards the one side of described circuit board, and described circuit board is provided with jack, and described jack is corresponding with described plastic cement connecting rod position;
Described plastic cement connecting rod is interspersed in described jack, is formed with spacing ennation at the free end hot melt of described plastic cement connecting rod.
4. lithium ion battery as claimed in claim 1 is characterized in that:
Described sheet metal is fixedly connected on the sidewall of described electrostrictive polymer core by adhesive sticker.
5. lithium ion battery as claimed in claim 1 is characterized in that:
Be covered with slot behind the described battery, described sheet metal bottom is provided with the ennation with described slot coupling;
Described sheet metal is fixedly connected on described battery bonnet by described ennation and described slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200227869U CN201994384U (en) | 2011-01-21 | 2011-01-21 | Lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200227869U CN201994384U (en) | 2011-01-21 | 2011-01-21 | Lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201994384U true CN201994384U (en) | 2011-09-28 |
Family
ID=44670862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200227869U Expired - Lifetime CN201994384U (en) | 2011-01-21 | 2011-01-21 | Lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201994384U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610851A (en) * | 2011-01-21 | 2012-07-25 | 欣旺达电子股份有限公司 | Lithium ion battery |
| CN102751537A (en) * | 2012-07-17 | 2012-10-24 | 飞毛腿(福建)电子有限公司 | Novel lithium-ion polymer battery and packaging process thereof |
| CN103474702A (en) * | 2013-10-08 | 2013-12-25 | 东莞新能德科技有限公司 | Polymer battery and packaging method thereof |
| CN105730048A (en) * | 2014-12-08 | 2016-07-06 | 贝里斯商克缇斯国际股份有限公司 | Notebook structure with draw-off card type charging function and card type battery |
| CN114649649A (en) * | 2020-12-21 | 2022-06-21 | 泰星能源解决方案有限公司 | Electricity storage module |
-
2011
- 2011-01-21 CN CN2011200227869U patent/CN201994384U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610851A (en) * | 2011-01-21 | 2012-07-25 | 欣旺达电子股份有限公司 | Lithium ion battery |
| CN102610851B (en) * | 2011-01-21 | 2014-10-29 | 欣旺达电子股份有限公司 | Lithium ion battery |
| CN102751537A (en) * | 2012-07-17 | 2012-10-24 | 飞毛腿(福建)电子有限公司 | Novel lithium-ion polymer battery and packaging process thereof |
| CN102751537B (en) * | 2012-07-17 | 2014-08-20 | 飞毛腿(福建)电子有限公司 | Novel lithium-ion polymer battery and packaging process thereof |
| CN103474702A (en) * | 2013-10-08 | 2013-12-25 | 东莞新能德科技有限公司 | Polymer battery and packaging method thereof |
| CN105730048A (en) * | 2014-12-08 | 2016-07-06 | 贝里斯商克缇斯国际股份有限公司 | Notebook structure with draw-off card type charging function and card type battery |
| CN114649649A (en) * | 2020-12-21 | 2022-06-21 | 泰星能源解决方案有限公司 | Electricity storage module |
| CN114649649B (en) * | 2020-12-21 | 2024-01-02 | 泰星能源解决方案有限公司 | Power storage module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110928 |
|
| CX01 | Expiry of patent term | ||
| DD01 | Delivery of document by public notice |
Addressee: Patent director of xinwanda Electronics Co.,Ltd. Document name: Notice of termination of patent right |
|
| DD01 | Delivery of document by public notice |