CN203839424U - Underground pipe type maintainable flexibly packaged lithium ion battery - Google Patents
Underground pipe type maintainable flexibly packaged lithium ion battery Download PDFInfo
- Publication number
- CN203839424U CN203839424U CN201420231251.6U CN201420231251U CN203839424U CN 203839424 U CN203839424 U CN 203839424U CN 201420231251 U CN201420231251 U CN 201420231251U CN 203839424 U CN203839424 U CN 203839424U
- Authority
- CN
- China
- Prior art keywords
- hidden pipe
- packaging bag
- lithium ion
- ion battery
- underground pipe
- 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
Links
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 30
- 238000004806 packaging method and process Methods 0.000 claims abstract description 41
- 239000003792 electrolyte Substances 0.000 claims abstract description 14
- 238000012856 packing Methods 0.000 claims description 20
- 239000012943 hotmelt Substances 0.000 claims description 9
- 230000004888 barrier function Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000002985 plastic film Substances 0.000 claims description 3
- 229920006255 plastic film Polymers 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000002844 melting Methods 0.000 abstract description 3
- 230000008018 melting Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 8
- 230000000740 bleeding effect Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000001802 infusion Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 239000011449 brick Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012785 packaging film Substances 0.000 description 2
- 229920006280 packaging film Polymers 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- JOHZPMXAZQZXHR-UHFFFAOYSA-N pipemidic acid Chemical compound N1=C2N(CC)C=C(C(O)=O)C(=O)C2=CN=C1N1CCNCC1 JOHZPMXAZQZXHR-UHFFFAOYSA-N 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- Sealing Battery Cases Or Jackets (AREA)
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
- Hybrid Cells (AREA)
Abstract
The utility model discloses an underground pipe type maintainable flexibly packaged lithium ion battery. The lithium ion battery comprises a packaging bag, a cell, electrolyte, electrode terminals, a through underground pipe and an air bag, wherein the underground pipe is arranged on the packaging bag; one end of the underground pipe is communicated with the interior of the packaging bag and the other end of the underground pipe is a closed end; the closed end is arranged in the outer edge position of the packaging bag; the underground pipe passes through the air bag; the middle part of the underground pipe is arranged in the air bag; and except the middle part, the outer wall of the underground pipe is hot-molten together with the packaging bag. The underground pipe type maintainable flexibly packaged lithium ion battery has the beneficial effects that the underground pipe type maintainable flexibly packaged lithium ion battery is provided with the underground pipe and the air bag, thus ensuring the original volume energy density of the battery and avoiding affecting assembly of the battery into pack; battery manufacturing is simplified, the battery is convenient to maintain and the production cost is reduced; and besides, the hot melting mode is adopted for closing, thus completely preventing water molecule permeation and the possibility of reaction between the water molecules with the electrolyte and ensuring the battery performances.
Description
Technical field
The utility model relates to lithium ion battery, relates in particular to a kind of hidden pipe formula and can safeguard flexible packing lithium ion battery.
Background technology
Lithium ion battery is a kind of novel storage battery, and its charge efficiency is high, electric discharge memory is almost nil, discharging current is large, lightweight, is applicable to repeatedly discharge and recharge.Lithium ion battery is made up of positive plate, negative plate, barrier film and electrolyte conventionally, battery is discharging and recharging in use procedure, can there is expansion to a certain degree in pole piece, thereby cause electrolyte relative deficiency, electrolyte is also easy to decompose and reduces in addition, produces certain gas simultaneously, thereby causes internal resistance to increase, charging capacity reduces, the problems such as discharging current deficiency.
In order to address the above problem, realize the long-life of lithium ion battery, someone has proposed lithium ion battery to carry out fluid infusion and bleed the idea of safeguarding, in these ideas, some is that passage is set in packaging bag, the opening part that passage is in communication with the outside adopts openable mode to seal, and by the passage arranging, battery is carried out to fluid infusion and the maintenance of bleeding; Some is that one or more unidirectional valves are set in packaging bag, by the unidirectional general character of unidirectional valve, battery is carried out to fluid infusion and the maintenance of bleeding; Also some is that soft rubber stopper is set in packaging bag, inserts soft rubber stopper battery is carried out to fluid infusion and the maintenance of bleeding by needle tubing, extracts after needle tubing soft rubber stopper automatically closed and air tight.
Although above-mentioned measure can realize the maintenance of battery to a certain extent, but set passage protrudes power brick pack, cause battery to occupy larger space, thereby reduced the volume energy density of battery, and also can bring larger operation inconvenience in the time that battery pack is dressed up group.Although set unidirectional valve and soft rubber stopper do not protrude power brick pack, but one-way valve structures complexity and cost of manufacture are high, soft rubber stopper is limited by itself flexibility and intensity, after extracting needle tubing, may there is the problem of closure completely, this can cause that water in air molecule is penetrated in battery, reduces battery performance.Therefore all there is certain defect in above-mentioned solution.
Therefore, need to provide a kind of hidden pipe formula can safeguard that flexible packing lithium ion battery is to address the above problem.
Utility model content
In order to address this problem, the utility model discloses a kind of hidden pipe formula and can safeguard flexible packing lithium ion battery, comprise packaging bag, battery core, electrolyte and electrode terminal, described hidden pipe formula can safeguard flexible packing lithium ion battery also comprise in logical hidden pipe and air bag, described hidden pipe is arranged in described packaging bag, one end of described hidden pipe and described packaging bag internal communication, the other end of described hidden pipe is blind end, described blind end is arranged on the outward flange position of described packaging bag, described hidden pipe is through described air bag, the mid portion of described hidden pipe is placed in described air bag, except mid portion and between described packaging bag, mutually hot melt is together for the outer wall of described hidden pipe.
Preferably, described packaging bag is aluminum plastic film, and it is made up of upper and lower two parts, and its internal layer is PP hot melt layer, described upper and lower two parts edge heat-sealing.
Preferably, the described blind end of described hidden pipe is together with the mutual hot melt in the inside of described hidden pipe.
Preferably, described hidden pipe is PP pipe.
Preferably, described hidden pipe and described air bag are arranged on one end of described electrode terminal.
Preferably, described battery core and described electrolyte sealability are in described packaging bag inside, described battery core is drawn out to outside batteries by described electrode terminal, described battery core is made up of positive pole, negative pole and barrier film, described barrier film is placed between both positive and negative polarity, one end of described electrode terminal is connected with electrode, middle part be sandwiched between upper and lower two parts of described packaging bag and with described packaging bag sealing, its other end reaches outside batteries.
Preferably, described air bag is formed by upper and lower two parts of described packaging bag.
Can safeguard flexible packing lithium ion battery according to hidden pipe formula of the present utility model, the ingenious design feature of utilizing battery itself arranges hidden pipe and air bag, has ensured the original volume energy density of battery, does not affect the assembling of battery in groups.Adopt in this way, simplified battery manufacture, be convenient to battery maintenance, reduce production costs.Airtight owing to adopting hot melting way to carry out in addition, completely cut off hydrone infiltration completely, and the possibility of reacting with electrolyte, ensure battery performance.
In utility model content part, introduced the concept of a series of reduced forms, this will further describe in embodiment part.The utility model content part does not also mean that key feature and the essential features that will attempt to limit technical scheme required for protection, does not more mean that the protection range of attempting to determine technical scheme required for protection.
Below in conjunction with accompanying drawing, describe advantage of the present utility model and feature in detail.
Brief description of the drawings
Fig. 1 is the structural representation that can safeguard flexible packing lithium ion battery according to the hidden pipe formula of an embodiment of the utility model;
Fig. 2 is the use schematic diagram that can safeguard flexible packing lithium ion battery according to the hidden pipe formula of an embodiment of the utility model.
Embodiment
In the following description, having provided a large amount of concrete details understands the utility model more thoroughly to provide.But, it will be apparent to one skilled in the art that the utility model can be implemented without one or more these details.In other example, for fear of obscuring with the utility model, be not described for technical characterictics more well known in the art.
In order thoroughly to understand the utility model, will detailed structure be proposed in following description.Obviously, execution of the present utility model is not limited to the specific details that those skilled in the art has the knack of.Preferred embodiment of the present utility model is described in detail as follows, but except these are described in detail, the utility model can also have other execution modes.
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
With reference to figure 1 and Fig. 2, show respectively according to the hidden pipe formula of an embodiment of the utility model and can safeguard the structural representation of flexible packing lithium ion battery and use schematic diagram.
Hidden pipe formula of the present utility model can safeguard that flexible packing lithium ion battery comprises packaging bag 1, battery core 2, electrolyte and electrode terminal (, positive and negative electrode) 3, wherein, is provided with hidden pipe 4 and air bag 6 in packaging bag 1.Hidden pipe 4 and air bag 6 are located at one end of positive and negative electrode 3.One end of hidden pipe 4 is blind end 5, and it is arranged on the outward flange position of packaging bag 1.Hidden pipe 4 is except blind end 5, and remainder is middle siphunculus, the internal communication of itself and packaging bag 1.Hidden pipe 4 is through air bag 6, and hidden pipe 4 mid portions are placed in air bag 6.Packaging bag 1 is aluminum plastic film, and its internal layer is pp hot melt layer.Hidden pipe 4 is pp pipe.Except mid portion, between the outer wall of hidden pipe 4 and packaging bag 1, hot melt together, ensures sealing mutually.The blind end 5 of hidden pipe, together with the mutual hot melt of hidden pipe inwall, ensures sealing.
Above-mentioned packaging bag is made up of upper and lower two parts, upper and lower two parts edge heat-sealing.Above-mentioned air bag is formed by these upper and lower two parts.Battery core and electrolyte sealability are in packaging bag inside, and battery core is drawn out to outside batteries by electrode terminal.Battery core is made up of positive pole, negative pole and barrier film, and barrier film is placed between both positive and negative polarity so that both are separated.Electrode terminal one end is connected with electrode, and middle part is sandwiched between upper and lower packaging bag and with packaging bag and seals, and the other end reaches outside batteries.
Hidden pipe formula of the present utility model can be safeguarded flexible packing lithium ion battery, after battery electricizing activation, outer peripheral packaging bag hidden pipe one end and packaging film is sealed airtight, and in packaging bag, corresponding hidden pipe mid portion forms air bag, to ensure normal use.Need to safeguard time, cut blind end and the air bag outer side edges of hidden pipe, expose hidden pipe in air bag in logical part, because hidden pipe part does not seal in air bag, so hidden pipe keeps original shape, connect the hidden pipe exposing by flexible pipe, for battery is added electrolyte and the maintenance of bleeding.After maintenance completes, more outer peripheral packaging bag hidden pipe one end is sealed together with packaging film airtight, normally use.
Can safeguard flexible packing lithium ion battery according to hidden pipe formula of the present utility model, the ingenious design feature of utilizing battery itself arranges hidden pipe and air bag, has ensured the original volume energy density of battery, does not affect the assembling of battery in groups.Adopt in this way, simplified battery manufacture, be convenient to battery maintenance, reduce production costs.Airtight owing to adopting hot melting way to carry out in addition, completely cut off hydrone infiltration completely, and the possibility of reacting with electrolyte, ensure battery performance.
The utility model is illustrated by above-described embodiment, but should be understood that, above-described embodiment is the object for giving an example and illustrating just, but not is intended to the utility model to be limited in described scope of embodiments.In addition it will be understood by those skilled in the art that; the utility model is not limited to above-described embodiment; can also make more kinds of variants and modifications according to instruction of the present utility model, these variants and modifications all drop in the utility model scope required for protection.Protection range of the present utility model is defined by the appended claims and equivalent scope thereof.
Claims (7)
1. a hidden pipe formula can be safeguarded flexible packing lithium ion battery, comprise packaging bag, battery core, electrolyte and electrode terminal, it is characterized in that, described hidden pipe formula can safeguard flexible packing lithium ion battery also comprise in logical hidden pipe and air bag, described hidden pipe is arranged in described packaging bag, one end of described hidden pipe and described packaging bag internal communication, the other end of described hidden pipe is blind end, described blind end is arranged on the outward flange position of described packaging bag, described hidden pipe is through described air bag, the mid portion of described hidden pipe is placed in described air bag, except mid portion and between described packaging bag, mutually hot melt is together for the outer wall of described hidden pipe.
2. can safeguard flexible packing lithium ion battery according to hidden pipe formula claimed in claim 1, it is characterized in that, described packaging bag is aluminum plastic film, and it is made up of upper and lower two parts, and its internal layer is PP hot melt layer, described upper and lower two parts edge heat-sealing.
3. can safeguard flexible packing lithium ion battery according to hidden pipe formula claimed in claim 2, it is characterized in that, the described blind end of described hidden pipe is together with the mutual hot melt in the inside of described hidden pipe.
4. can safeguard flexible packing lithium ion battery according to hidden pipe formula claimed in claim 1, it is characterized in that, described hidden pipe is PP pipe.
5. can safeguard flexible packing lithium ion battery according to hidden pipe formula claimed in claim 1, it is characterized in that, described hidden pipe and described air bag are arranged on one end of described electrode terminal.
6. can safeguard flexible packing lithium ion battery according to hidden pipe formula claimed in claim 2, it is characterized in that, described battery core and described electrolyte sealability are in described packaging bag inside, described battery core is drawn out to outside batteries by described electrode terminal, described battery core is made up of positive pole, negative pole and barrier film, described barrier film is placed between both positive and negative polarity, one end of described electrode terminal is connected with electrode, middle part be sandwiched between upper and lower two parts of described packaging bag and with described packaging bag sealing, its other end reaches outside batteries.
7. can safeguard flexible packing lithium ion battery according to hidden pipe formula claimed in claim 2, it is characterized in that, described air bag is formed by upper and lower two parts of described packaging bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420231251.6U CN203839424U (en) | 2014-05-07 | 2014-05-07 | Underground pipe type maintainable flexibly packaged lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420231251.6U CN203839424U (en) | 2014-05-07 | 2014-05-07 | Underground pipe type maintainable flexibly packaged lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203839424U true CN203839424U (en) | 2014-09-17 |
Family
ID=51517228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420231251.6U Expired - Lifetime CN203839424U (en) | 2014-05-07 | 2014-05-07 | Underground pipe type maintainable flexibly packaged lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203839424U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111883847A (en) * | 2020-07-09 | 2020-11-03 | 合肥国轩高科动力能源有限公司 | Packaging method and packaging structure for reserved air guide port of soft package battery |
-
2014
- 2014-05-07 CN CN201420231251.6U patent/CN203839424U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111883847A (en) * | 2020-07-09 | 2020-11-03 | 合肥国轩高科动力能源有限公司 | Packaging method and packaging structure for reserved air guide port of soft package battery |
| CN111883847B (en) * | 2020-07-09 | 2022-08-09 | 合肥国轩高科动力能源有限公司 | Packaging method and packaging structure for reserved air guide port of soft package battery |
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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: 20140917 |