CN202817117U - Lithium manganese oxide (LMO) polymer battery - Google Patents
Lithium manganese oxide (LMO) polymer battery Download PDFInfo
- Publication number
- CN202817117U CN202817117U CN2012205277426U CN201220527742U CN202817117U CN 202817117 U CN202817117 U CN 202817117U CN 2012205277426 U CN2012205277426 U CN 2012205277426U CN 201220527742 U CN201220527742 U CN 201220527742U CN 202817117 U CN202817117 U CN 202817117U
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- Prior art keywords
- plastic film
- aluminum plastic
- limn2o4
- battery
- soft
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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
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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
- 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 utility model discloses an LMO polymer battery, relates to the technical field of lithium batteries, and solves the technical problems that hard-shell batteries are easy to explode during use and poor in safety in the prior art. The battery comprises an LMO positive plate, a negative plate, a tab glue, a diaphragm and an aluminum plastic film, wherein the LMO positive plate is formed by a positive pole current collector and an LMO coating, the negative plate is formed by a negative pole current collector and a negative coating, the diaphragm isolates the LMO positive plate with the negative plate which are placed in the aluminum plastic film after pit scour, and an aluminum plastic film packaging battery cell enables the aluminum plastic film to seal on the tab glue. The battery has the advantages that the technique is simple, personnel investment and production cost can be reduced remarkably, the cost can be further reduced, and the battery is suitable for large-scale industrial production.
Description
Technical field
The utility model relates to technical field of lithium ion.
Background technology
The development of lithium rechargeable battery is apart from the history of existing recent two decades of the present, up to the present, people after deliberation a variety of lithium ion batteries.In lithium ion battery, box hat, aluminum hull and mould shell and obtained commercial use, but its relatively high battery cost makes its electric motor car lithium ion battery slower development.Mould shell, aluminum hull and box hat battery, in use easily blast, fail safe is relatively poor.
The utility model content
The purpose of this utility model is: a kind of LiMn2O4 soft-package battery is provided, and to overcome the defective of prior art, this soft-package battery and duricrust battery in use are difficult for blasting, and have higher fail safe.
According to above-mentioned purpose, the technical scheme that the utility model adopts is: a kind of LiMn2O4 soft-package battery, it is characterized in that: described battery comprises lithium manganate anode slice, negative plate, tab, barrier film, aluminum plastic film, described lithium manganate anode slice is by anodal base flow body and LiMn2O4 coating formation, described negative plate is by negative pole base flow body and negative pole coating formation, described barrier film separates lithium manganate anode slice and negative plate, and described aluminum plastic film packing battery core is enclosed on the tab aluminum plastic film.
Described barrier film adopts " Z " font lamination mode with lithium manganate anode slice and negative plate isolation and is placed in the aluminum plastic film in punching hole.
Also comprise anode ear, negative electrode lug, anode ear, negative electrode lug are pasted on lug by the tab of length 8-12mm length.
LiMn2O4 soft-package battery aluminum plastic film seal widths is 4-8mm.
Be provided with during LiMn2O4 soft-package battery aluminum plastic film packing and reserve the long aluminum plastic film air bag of 50-80mm, sealing first three in pre-envelope, air bag place open-ended advances in fluid injection and to adopt vacuum seal when promoting the circulation of qi is encapsulated mouthful, vacuum was shelved 6-7 hour, flowed into subsequent processing after finishing the excision of air bag place.
The LiMn2O4 soft-package battery is after fluid injection is finished, and battery core is shelved 8-12min, carries out vacuum seal, the gas when extracting fluid injection in the battery core out.
Compared with prior art, advantage of the present utility model and beneficial effect are: the utility model technique is simple, but decrease personnel input and production cost have further reduced cost, are suitable for large-scale industrial production.
Description of drawings
Fig. 1 is the surface structure schematic diagram of the utility model lithium manganate battery embodiment;
Fig. 2 is the Welding Structure schematic diagram of the utility model lithium manganate battery embodiment;
Fig. 3 is the aluminum plastic film packaging structure schematic diagram of the utility model lithium manganate battery embodiment;
Fig. 4 is the aluminum plastic film punching hole structural representation of the utility model lithium manganate battery embodiment;
In the drawings,
1, anode ear 2, negative electrode lug 3, lithium manganate anode slice 4, negative plate
5, electrolyte 6, tab 7, barrier film 8, aluminum plastic film
9, aluminum plastic film air bag
Embodiment
In conjunction with Fig. 1-Fig. 4, be a kind of LiMn2O4 soft-package battery of the utility model example structure schematic diagram, described electric motor car LiMn2O4 soft-package battery comprises anode ear 1, negative electrode lug 2, lithium manganate anode slice 3, negative plate 4, electrolyte 5, tab 6, barrier film 7, aluminum plastic film 8 and aluminum plastic film air bag 9, described lithium manganate anode slice 3 are by anodal base flow body and LiMn2O4 coating formation, and described negative plate 4 is by negative pole base flow body and negative pole coating formation, described barrier film 7 adopts " Z " font lamination mode with lithium manganate anode slice 3 and negative plate 4 isolation, and be placed in the aluminum plastic film 8 in punching hole, between described lithium manganate anode slice 3 and the negative plate 4 electrolyte 5 being arranged, described aluminum plastic film 8 packing battery cores are enclosed on the tab 6 aluminum plastic film 8; LiMn2O4 Soft Roll anode ear 1, negative electrode lug 2 are pasted on lug by the long tab 6 of 10mm; Described LiMn2O4 soft-package battery aluminum plastic film 8 seal widths are 6mm; Be provided with during LiMn2O4 soft-package battery aluminum plastic film 8 packing and reserve the long aluminum plastic film air bag 9 of 50-80mm, sealing first three in pre-envelope, air bag place open-ended advances in fluid injection and to adopt vacuum seal when promoting the circulation of qi is encapsulated mouthful, vacuum was shelved 6-7 hour, flowed into subsequent processing after finishing the excision of air bag place; The LiMn2O4 soft-package battery is after fluid injection is finished, and battery core is shelved 8-12min, carries out vacuum seal, the gas when extracting fluid injection in the battery core out.
The battery core that to weld Fig. 2 after the aluminum plastic film shown in Figure 4 punching hole moulding is positioned in the aluminum plastic film of moulding, and by once sealing near behind 3 limits of battery core, whether the inspection tab exposes the length of 1mm on the aluminum plastic film limit.Be not placed on vacuum sealer and carry out vacuum seal there being in the fluid injection situation air bag place do not sealed battery core, shelve 5-7 hour after, check that battery has or not gas leak phenomenon, occur without this phenomenon, carry out the battery core baking after cutting off air bag.Vacuum seal is carried out in fluid injection after being cooled to 30-50 ℃ behind the vacuum bakeout 6-10h behind the 20-40min after the fluid injection, carry out preliminary filling after shelving 20-30h, and constant current charge is to 3.9V electric current 0.02-0.03C.Shelving 10-14h after finishing carries out the positive empty sealing of secondary and changes formation process over to.
The LiMn2O4 soft-package battery also can make lithium manganate anode slice 3 by spot welding, and negative plate 4 is connected with lug, comprises the steps:
(1) be made into pole piece after lithium manganate material homogenate and coating are finished, surface density is controlled at 2.70-3.60g/cm
2
(2) barrier film is wrapped in the middle of the positive/negative plate, adopts " Z " font lamination mode.And to make lug be connected spot welding director degree with cell polar ear by spot welding be the 4-6mm pad;
(3) aluminum plastic film will weld behind the punching hole in the good battery core placement aluminum plastic film, and reserve the air bag of length 70-80mm, can be that battery core produces gas and can discharge like this in the preliminary filling process, in pre-envelope, seal first three, air bag place open-ended, carry out air bag when sealing and adopt vacuum seal in the situation of not fluid injection, vacuum was shelved 5-7 hour, mainly detected battery gas leak phenomenon whether in the sealing process.After finishing the excision of air bag place, flow into next step operation;
(4) after fluid injection is finished, battery core is shelved 10min, carries out vacuum seal, the gas when extracting fluid injection in the battery core out;
(5) after preliminary filling is finished, a large amount of γ-ray emissions is arranged in the air bag, carrying out secondary sealing, the excision air bag adopts the gas in the vacuum secondary sealing equipment extraction battery core simultaneously.
Below only be one of exemplary applications of this practicality, the protection range of this practicality lithium manganate battery is not constituted any limitation.All employing equivalent technology change and the technical scheme of formation, all drop within this patent protection range.
Claims (4)
1. LiMn2O4 soft-package battery, it is characterized in that: described battery comprises lithium manganate anode slice (3), negative plate (4), electrolyte (5), tab (6), barrier film (7), aluminum plastic film (8), described lithium manganate anode slice (3) is by anodal base flow body and LiMn2O4 coating formation, described negative plate (4) is by negative pole base flow body and negative pole coating formation, described barrier film (7) separates lithium manganate anode slice (3) and negative plate (4), between described lithium manganate anode slice (3) and the negative plate (4) electrolyte (5) is arranged, described aluminum plastic film (8) packing battery core is enclosed on the tab (6) aluminum plastic film (8).
2. LiMn2O4 soft-package battery according to claim 1 is characterized in that barrier film (7) adopts " Z " font lamination mode that lithium manganate anode slice (3) and negative plate (4) are isolated and be placed on and rushes in the aluminum plastic film (8) of cheating.
3. electric motor car LiMn2O4 soft-package battery according to claim 1 and 2, it is characterized in that: also comprise anode ear (1), negative electrode lug (2), LiMn2O4 Soft Roll anode ear (1), negative electrode lug (2) are pasted on lug by the tab (6) of 8-12mm length.
4. require described LiMn2O4 soft-package battery according to right 1, it is characterized in that: LiMn2O4 soft-package battery aluminum plastic film (8) seal widths is 4-8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205277426U CN202817117U (en) | 2012-10-16 | 2012-10-16 | Lithium manganese oxide (LMO) polymer battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205277426U CN202817117U (en) | 2012-10-16 | 2012-10-16 | Lithium manganese oxide (LMO) polymer battery |
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| Publication Number | Publication Date |
|---|---|
| CN202817117U true CN202817117U (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205277426U Expired - Fee Related CN202817117U (en) | 2012-10-16 | 2012-10-16 | Lithium manganese oxide (LMO) polymer battery |
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| CN (1) | CN202817117U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577004A (en) * | 2014-12-25 | 2015-04-29 | 山东神工海特电子科技有限公司 | Polymer lithium ion battery with fixed diaphragm and manufacturing method thereof |
| CN106784998A (en) * | 2017-01-22 | 2017-05-31 | 宁德新能源科技有限公司 | A kind of secondary cell and heater |
| CN108539061A (en) * | 2017-03-06 | 2018-09-14 | 湖南妙盛汽车电源有限公司 | A kind of soft-package battery |
| CN110444700A (en) * | 2019-07-19 | 2019-11-12 | 江门吉锂能源有限公司 | A kind of pack case and its ultra-thin lithium cell of ultra-thin lithium cell |
| CN113363555A (en) * | 2021-04-30 | 2021-09-07 | 万向一二三股份公司 | Lithium ion battery for improving leakage failure of soft package battery and packaging process thereof |
-
2012
- 2012-10-16 CN CN2012205277426U patent/CN202817117U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577004A (en) * | 2014-12-25 | 2015-04-29 | 山东神工海特电子科技有限公司 | Polymer lithium ion battery with fixed diaphragm and manufacturing method thereof |
| CN106784998A (en) * | 2017-01-22 | 2017-05-31 | 宁德新能源科技有限公司 | A kind of secondary cell and heater |
| CN108539061A (en) * | 2017-03-06 | 2018-09-14 | 湖南妙盛汽车电源有限公司 | A kind of soft-package battery |
| CN110444700A (en) * | 2019-07-19 | 2019-11-12 | 江门吉锂能源有限公司 | A kind of pack case and its ultra-thin lithium cell of ultra-thin lithium cell |
| CN110444700B (en) * | 2019-07-19 | 2022-07-22 | 江门吉锂能源有限公司 | Packaging shell of ultrathin lithium battery and ultrathin lithium battery |
| CN113363555A (en) * | 2021-04-30 | 2021-09-07 | 万向一二三股份公司 | Lithium ion battery for improving leakage failure of soft package battery and packaging process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhejiang Welly Energy Corporation Document name: Notification to Pay the Fees |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20171016 |
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| CF01 | Termination of patent right due to non-payment of annual fee |