CN102623667A - Soft package thin and ultrathin cell structure and manufacturing method thereof - Google Patents
Soft package thin and ultrathin cell structure and manufacturing method thereof Download PDFInfo
- Publication number
- CN102623667A CN102623667A CN2011100320792A CN201110032079A CN102623667A CN 102623667 A CN102623667 A CN 102623667A CN 2011100320792 A CN2011100320792 A CN 2011100320792A CN 201110032079 A CN201110032079 A CN 201110032079A CN 102623667 A CN102623667 A CN 102623667A
- Authority
- CN
- China
- Prior art keywords
- plastic film
- film
- electrode
- collector
- slim
- 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
Images
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)
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention which relates to the cell field discloses a structure of an electrode of a soft package thin and ultrathin cell, and a manufacturing method thereof. The structure comprises an electrode material, a current collector and a plastic film, wherein the metal current collector is between the electrode material and the plastic film. The metal current collector and the plastic film and composited together, the electrode material is coated on the other side of the metal current collector and is then dried, and a tab is welded. The plastic film at a prescribed position is removed by laser, and a tab is welded at the position where the plastic film is removed. By applying a technical scheme in the embodiment of the invention, a gas in the cell can be completely emitted to make the electrode be in close contact with the housing of the cell to form one body.
Description
Technical field
The present invention relates to field of batteries, relate in particular to that a kind of Soft Roll is slim, the structure of ultra-thin battery electrode and manufacturing approach thereof.
Background technology
The structure of soft-package battery electrode generally comprises collector and active material or electrode material, and mostly collector is Copper Foil or aluminium foil, in the manufacture process active material or electrode material is uniformly coated on the face of collector.The kind electrode structure is for thin battery (thickness is below the 1mm), ultra-thin battery (thickness is below 0.5mm); The metal collector of electrode can not very closely link to each other with the aluminum plastic film of battery container; Cause battery electrode to be prone to relative displacement, inside battery gas can not be discharged fully.
Summary of the invention
The present invention provides a kind of structure and manufacturing approach thereof of slim and ultrathin soft-package battery electrode, electrode is closely contacted with battery container be integrally formed.
To achieve these goals, the technical scheme of the present invention's employing is
A kind of Soft Roll is slim, the structure of ultra-thin battery electrode, comprises electrode material, collector and plastic film, and wherein said metal collector is between said electrode material and plastic film.
Said plastic film is PP film or PE film.
Said collector is Copper Foil or aluminium foil.
A kind of Soft Roll is slim, the manufacturing approach of ultra-thin battery electrode, comprise the steps,
(1), metal collector and plastic film are combined with each other;
(2), electrode material is coated on the another side of metal collector;
(3), soldering polar ear, remove plastic film with laser at assigned position, removing the position soldering polar ear of plastic film again.
Said plastic film is PP film or PE film.
Said collector is Copper Foil or aluminium foil.
Therefore, use the technical scheme of the embodiment of the invention, added one deck plastic film on the electrode, contact with plastic film on the housing, inside battery gas is discharged fully, electrode is closely contacted with battery container be integrally formed.
The product longer service life that PP film or PE film make, the Copper Foil of collector or aluminium foil, electric conductivity is stronger.
With the plastic film on the laser ablation assigned position, more accurate, the follow-up encapsulation that makes is tightr.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, does not constitute to improper qualification of the present invention, in the accompanying drawings:
A kind of Soft Roll that Fig. 1 provides for the embodiment of the invention 1 is slim, the positive electrode structure of ultra-thin battery;
Slim, the ultrathin disposable lithium-battery installation diagram of a kind of Soft Roll that Fig. 2 provides for the embodiment of the invention 1;
Slim, the ultrathin serondary lithium battery installation diagram of a kind of Soft Roll that Fig. 3 provides for the embodiment of the invention 1.
Embodiment
To combine accompanying drawing and specific embodiment to specify the present invention below, be used for explaining the present invention in this illustrative examples of the present invention and explanation, but not as to qualification of the present invention.
Embodiment 1:
As shown in Figure 1, a kind of slim and ultrathin soft-package battery electrode provided by the invention comprises electrode material (or active material) 201, collector 202 and PP (or PE) film 203, and wherein metal collector 202 is between electrode material 201 and PP (or PE) film 203.
Plus plate current-collecting body and PP (or PE) film is combined with each other, and forms the closely one of contact, evenly is coated with electrode material at another side (no PP film) then; Carry out drying after coated, carry out the lug welding after the drying.
Lug will be welded on the collector, from this face welding of compound PP (or PE) film.Behind the pole drying,, remove PP (or PE) film, then lug is welded on the collector with laser in position that need to confirm soldering polar ear.
The disposable lithium-battery structural design
The positive plate that cuts and welded positive pole ear 102 is placed on the aluminum plastic film 101 that cuts, and heating closely seals positive plate and aluminum plastic film and is integrally formed, and 103 is positive pole ear; 104 is lug glue, and the barrier film that cuts 105 is placed on above the positive pole, through heat seal die anodal four limits is sealed on aluminum plastic film; Form the diaphragm bag of complete closed positive plate, the lithium sheet 106 that cuts and welded negative lug is placed on tram, septation bag left side; 107 is negative lug, and aluminum plastic film and positive plate are folded at midline position, under the state of vacuum, with heat seal die battery case aluminum plastic film both sides is sealed; Time on request is the battery vacuum-pumping of sealing, and the opening part of reserving from the battery electrolyte of quantitatively annotating carries out " discharge of opening physics " in stationary fixture behind the electrolyte of having annotated; Under the state of vacuum; Carry out underseal with heat seal die, cut into the size that needs, utilize mould to carry out shaping at last again.
Use the technical scheme of the embodiment of the invention, added one deck plastic film on the electrode, contact, inside battery gas is discharged fully, electrode is closely contacted with battery container be integrally formed with plastic film on the housing.
The product longer service life that PP film or PE film make, the Copper Foil of collector or aluminium foil, electric conductivity is stronger.
With the plastic film on the laser ablation assigned position, more accurate, the follow-up encapsulation that makes is tightr.
Embodiment 2:
The serondary lithium battery structural design
Positive plate that cuts and weld positive pole ear 202 (collector compound PP of one side or PE) and negative pole 206 are placed on the relevant position of aluminum plastic film 201 203-positive pole ear, 204-negative lug respectively; The 207-negative lug is placed on the barrier film that cuts 205 above the both positive and negative polarity, through heat seal die four limits and both positive and negative polarity intermediate heat is enclosed on the aluminum plastic film; Form the positive and negative electrode diaphragm bag of complete closed respectively; Aluminum plastic film is folded along midline position between the both positive and negative polarity, under vacuum state, with heat seal die battery case aluminum plastic film both sides (top margin, side) sealed, the time is with battery vacuum-pumping on request; The opening part of reserving from the battery electrolyte of quantitatively annotating; Annotated and carried out " opening changes into " behind the electrolyte, under vacuum state, carried out underseal with heat seal die.The size that cuts into shape shown in (6) and need utilizes mould to carry out shaping at last.
Use the technical scheme of the embodiment of the invention, added one deck plastic film on the electrode, contact, inside battery gas is discharged fully, electrode is closely contacted with battery container be integrally formed with plastic film on the housing.
The product longer service life that PP film or PE film make, the Copper Foil of collector or aluminium foil, electric conductivity is stronger.
With the plastic film on the laser ablation assigned position, more accurate, the follow-up encapsulation that makes is tightr.
More than the technical scheme that the embodiment of the invention provided has been carried out detailed introduction; Used concrete example among this paper the principle and the execution mode of the embodiment of the invention are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand the embodiment of the invention; Simultaneously, for one of ordinary skill in the art, according to the embodiment of the invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (6)
1. the structure of slim, the ultra-thin battery electrode of a Soft Roll is characterized in that,
Comprise electrode material, collector and plastic film, wherein said metal collector is between said electrode material and plastic film.
2. a kind of Soft Roll according to claim 1 is slim, the structure of ultra-thin battery electrode, it is characterized in that,
Said plastic film is PP film or PE film.
3. a kind of Soft Roll according to claim 1 is slim, the structure of ultra-thin battery electrode, it is characterized in that,
Said collector is Copper Foil or aluminium foil.
4. the manufacturing approach of slim, the ultra-thin battery electrode of a Soft Roll comprises the steps,
(1), metal collector and plastic film are combined with each other;
(2), electrode material is coated on the another side of metal collector;
(3), soldering polar ear, remove plastic film with laser at assigned position, removing the position soldering polar ear of plastic film again.
5. a kind of Soft Roll according to claim 4 is slim, the manufacturing approach of ultra-thin battery electrode, it is characterized in that,
Said plastic film is PP film or PE film.
6. a kind of Soft Roll according to claim 4 is slim, the manufacturing approach of ultra-thin battery electrode, it is characterized in that,
Said collector is Copper Foil or aluminium foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100320792A CN102623667A (en) | 2011-01-28 | 2011-01-28 | Soft package thin and ultrathin cell structure and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100320792A CN102623667A (en) | 2011-01-28 | 2011-01-28 | Soft package thin and ultrathin cell structure and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102623667A true CN102623667A (en) | 2012-08-01 |
Family
ID=46563447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100320792A Pending CN102623667A (en) | 2011-01-28 | 2011-01-28 | Soft package thin and ultrathin cell structure and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102623667A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103824997A (en) * | 2014-03-20 | 2014-05-28 | 昆山恩福赛印刷电子有限公司 | Thinned energy storing device and manufacture process thereof |
| CN105552291A (en) * | 2015-12-24 | 2016-05-04 | 惠州亿纬锂能股份有限公司 | Thin type battery and preparation method therefor |
| CN105895965A (en) * | 2015-07-30 | 2016-08-24 | 武汉美格科技有限公司 | Fabrication method of ultra-thin lithium battery |
| CN106960976A (en) * | 2017-05-05 | 2017-07-18 | 杭州金色能源科技有限公司 | Thin-type secondary battery and preparation method thereof |
| CN107134561A (en) * | 2017-05-05 | 2017-09-05 | 杭州金色能源科技有限公司 | Battery pole piece and the method for preventing battery pole piece from crimping |
| CN107482223A (en) * | 2017-09-29 | 2017-12-15 | 清华大学 | The preparation method of lithium ion battery electrode material composition, lithium ion battery and its electrode slurry |
| CN110277532A (en) * | 2018-03-15 | 2019-09-24 | 宁德时代新能源科技股份有限公司 | Processing method and processing equipment for secondary battery current collector |
| CN112236886A (en) * | 2018-12-07 | 2021-01-15 | 株式会社Lg化学 | Lithium electrode manufacturing device and manufacturing method |
| WO2021109024A1 (en) * | 2019-12-04 | 2021-06-10 | 惠州亿纬锂能股份有限公司 | Ultrathin battery and preparation method therefor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5521028A (en) * | 1991-09-17 | 1996-05-28 | Hydro-Quebec | Collector-electrodes assemblies for thin film generators |
| JP2000348693A (en) * | 1999-06-07 | 2000-12-15 | Toshiba Battery Co Ltd | Thin battery and its manufacture |
| CN1577919A (en) * | 2003-07-08 | 2005-02-09 | 三星Sdi株式会社 | Negative electrode for rechargeable lithium battery, method of producing same and rechargeable lithium battery comprising same |
| CN1808760A (en) * | 2005-12-09 | 2006-07-26 | 北京中信国安盟固利新材料技术研究院有限公司 | Cylindrical flexible packed lithium ion storage cell with aluminum-plastic composite film |
| US20070037060A1 (en) * | 2005-08-12 | 2007-02-15 | Lee Young G | All-solid-state primary film battery and method of manufacturing the same |
| CN1992398A (en) * | 2005-12-30 | 2007-07-04 | 比亚迪股份有限公司 | Collector, lithium secondary battery comprising the collector and method for preparation the same |
-
2011
- 2011-01-28 CN CN2011100320792A patent/CN102623667A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5521028A (en) * | 1991-09-17 | 1996-05-28 | Hydro-Quebec | Collector-electrodes assemblies for thin film generators |
| JP2000348693A (en) * | 1999-06-07 | 2000-12-15 | Toshiba Battery Co Ltd | Thin battery and its manufacture |
| CN1577919A (en) * | 2003-07-08 | 2005-02-09 | 三星Sdi株式会社 | Negative electrode for rechargeable lithium battery, method of producing same and rechargeable lithium battery comprising same |
| US20070037060A1 (en) * | 2005-08-12 | 2007-02-15 | Lee Young G | All-solid-state primary film battery and method of manufacturing the same |
| CN1808760A (en) * | 2005-12-09 | 2006-07-26 | 北京中信国安盟固利新材料技术研究院有限公司 | Cylindrical flexible packed lithium ion storage cell with aluminum-plastic composite film |
| CN1992398A (en) * | 2005-12-30 | 2007-07-04 | 比亚迪股份有限公司 | Collector, lithium secondary battery comprising the collector and method for preparation the same |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103824997B (en) * | 2014-03-20 | 2016-12-07 | 常州恩福赛印刷电子有限公司 | A kind of slim energy storage device and processing technology |
| CN103824997A (en) * | 2014-03-20 | 2014-05-28 | 昆山恩福赛印刷电子有限公司 | Thinned energy storing device and manufacture process thereof |
| CN105895965A (en) * | 2015-07-30 | 2016-08-24 | 武汉美格科技有限公司 | Fabrication method of ultra-thin lithium battery |
| CN105552291B (en) * | 2015-12-24 | 2019-05-17 | 惠州亿纬锂能股份有限公司 | A kind of thin battery and preparation method thereof |
| CN105552291A (en) * | 2015-12-24 | 2016-05-04 | 惠州亿纬锂能股份有限公司 | Thin type battery and preparation method therefor |
| CN107134561B (en) * | 2017-05-05 | 2019-12-03 | 杭州金色能源科技有限公司 | Battery pole piece and the method for preventing battery pole piece from crimping |
| CN107134561A (en) * | 2017-05-05 | 2017-09-05 | 杭州金色能源科技有限公司 | Battery pole piece and the method for preventing battery pole piece from crimping |
| CN106960976A (en) * | 2017-05-05 | 2017-07-18 | 杭州金色能源科技有限公司 | Thin-type secondary battery and preparation method thereof |
| CN107482223A (en) * | 2017-09-29 | 2017-12-15 | 清华大学 | The preparation method of lithium ion battery electrode material composition, lithium ion battery and its electrode slurry |
| CN110277532A (en) * | 2018-03-15 | 2019-09-24 | 宁德时代新能源科技股份有限公司 | Processing method and processing equipment for secondary battery current collector |
| CN112236886A (en) * | 2018-12-07 | 2021-01-15 | 株式会社Lg化学 | Lithium electrode manufacturing device and manufacturing method |
| US11870066B2 (en) | 2018-12-07 | 2024-01-09 | Lg Energy Solution, Ltd. | Lithium electrode manufacturing apparatus and manufacturing method |
| WO2021109024A1 (en) * | 2019-12-04 | 2021-06-10 | 惠州亿纬锂能股份有限公司 | Ultrathin battery and preparation method therefor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102623667A (en) | Soft package thin and ultrathin cell structure and manufacturing method thereof | |
| JP5844052B2 (en) | Multilayer battery and method for manufacturing the same | |
| CN205376656U (en) | Secondary battery | |
| JP2004071301A (en) | Manufacturing method of case for storage element | |
| CN109830638A (en) | A kind of high rigidity soft package lithium ion cell polar piece and core preparation method | |
| CN102610779A (en) | Anode tab, soft packing lithium ion battery and method for manufacturing anode tab | |
| CN111162307A (en) | Lithium ion battery for inhibiting corrosion of aluminum plastic film of soft package battery and production process thereof | |
| CN102324548B (en) | Method for packaging flexible package cell | |
| CN102244290A (en) | Ultrathin lithium ion battery | |
| CN102623746A (en) | Flexibly-packaged lithium ion battery | |
| CN103490031B (en) | The manufacture method of a kind of anode ear, soft bag lithium ionic cell and anode ear | |
| CN214411328U (en) | Square aluminum shell integrated with top cover and power battery thereof | |
| CN202094230U (en) | Ultrathin polymer lithium ion battery | |
| CN109473725B (en) | Top sealing mechanism and method of soft package battery | |
| CN214384785U (en) | Soft package power battery with tab led out from two ends | |
| CN102315394A (en) | Polymer (flexible package) lithium ion battery top encapsulating method | |
| CN212033047U (en) | Battery with a battery cell | |
| CN113013494A (en) | Method for processing battery cell | |
| CN210120185U (en) | Soft packet of three electrode lithium ion battery's utmost point ear structure | |
| CN105895965A (en) | Fabrication method of ultra-thin lithium battery | |
| KR101713075B1 (en) | Device for Manufacturing of Battery Cell Having Improved Insulation Property | |
| CN203406363U (en) | Positive lead and soft package lithium ion battery | |
| CN207530064U (en) | A kind of lithium battery electric core with double faced adhesive tape | |
| CN101383428B (en) | Manufacturing method for lithium ionic cell constituted by a lithium sheet electrode and a electrode to be tested | |
| CN202094231U (en) | Ultrathin lithium ion battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120801 |