CN106129454A - Card type ultra-thin lithium battery - Google Patents
Card type ultra-thin lithium battery Download PDFInfo
- Publication number
- CN106129454A CN106129454A CN201610646135.4A CN201610646135A CN106129454A CN 106129454 A CN106129454 A CN 106129454A CN 201610646135 A CN201610646135 A CN 201610646135A CN 106129454 A CN106129454 A CN 106129454A
- Authority
- CN
- China
- Prior art keywords
- layer
- packaging film
- lug
- corrosive
- battery
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/116—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
-
- 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
A kind of card type ultra-thin lithium battery, including battery, packaging film and lug, packaging film is used for being coated with battery and having fine cementability with lug, including plastic outer layer, middle aluminium foil layer and internal layer hot sealing layer, after plastic outer layer is combined by adhesive linkage dry type with middle aluminium foil layer, do single face nano anti-corrosive to process, internal layer hot sealing layer is maleic anhydride modified polyethylene or maleic anhydride modified polypropylene, compound tense, first nano anti-corrosive layer surface is preheated, be combined when nano anti-corrosive layer surface temperature reaches 100 DEG C 180 DEG C；Lug bonding jumper is heat-sealing direct with packaging film after doing double-face nanometer preservative treatment.Lug bonding jumper is the thinnest, and within can being 20, surface is only made nano anti-corrosive and processed, it is not necessary to two-layer tab up and down.Packaging film directly with lug bonding jumper heat-sealing, greatly reduce cost, sealing intensity is high, and positions simply when lug uses, improves efficiency, decreases the loss of lithium battery.
Description
Technical field
The present invention relates to a kind of lithium battery, particularly a kind of card type ultra-thin lithium battery.
Background technology
Traditional number, bluetooth, electronic cigarette, energy storage, the lithium battery of big low-power, its flexible package aluminum-plastic composite membrane is both needed to
More than cold stamping shaped degree of depth 1mm, and these battery capacities are relatively big, and can generate heat when discharge and recharge and use generation high temperature etc., this
The kind deep performance of cold punching and resistance to elevated temperatures determine the structure design of existing lithium battery flexible packaging film cannot meet card type ultra-thin
The packaging of lithium battery.Tradition lug metal tape is the most relatively thick, and is designed with upper and lower two-layer tab, and this will have a strong impact on electricity
The gross thickness in pond and energy density.
Summary of the invention
The technical problem to be solved in the present invention is for the deficiencies in the prior art, it is proposed that a kind of making is simple, sealing can
Lean on, the card type ultra-thin lithium battery of low cost.
The technical problem to be solved in the present invention is achieved through the following technical solutions, a kind of card type ultra-thin lithium electricity
Pond, including battery, packaging film and lug, is characterized in:
Described packaging film is used for being coated with battery and having fine cementability with lug, including PET outer layer, middle aluminium foil layer
With internal layer hot sealing layer, after PET outer layer is combined by adhesive linkage dry type with middle aluminium foil layer, do at single face nano anti-corrosive
Reason, the inner surface at middle aluminium foil layer forms nano anti-corrosive layer, and internal layer hot sealing layer is maleic anhydride modified polyethylene or maleic acid
Anhydride modification polypropylene, uses copolymerization curtain coating or single curtain coating of squeezing to be combined with nano anti-corrosive layer, and compound tense, first to nano anti-corrosive layer table
Face preheats, and is combined when nano anti-corrosive layer surface temperature reaches 100 DEG C-180 DEG C；
Lug bonding jumper is connected with battery after doing double-face nanometer preservative treatment；
The battery connecting lug bonding jumper is placed between two panels packaging film, carries out sealing edge sealing and process, by double-face nanometer
Antiseptic lug bonding jumper and the direct heat-sealing of packaging film.
The technical problem to be solved in the present invention can also be come to realize further by the following technical programs, and packaging film is combined
Time, use hot-rolling mode to preheat on described nano anti-corrosive layer surface.
The technical problem to be solved in the present invention can also be come to realize further by the following technical programs, the PET of packaging film
Plastic outer layer thickness is 12-15nm, thickness of adhibited layer is 3-5 nm, middle aluminium foil layer thickness is 20-30 nm, internal layer hot sealing layer
Thickness is 15-30 nm.
The technical problem to be solved in the present invention can also be come to realize further by the following technical programs, card type ultra-thin lithium
The gross thickness of battery is not more than 1mm.
Owing to card-type lithium battery is the thinnest, gross thickness is less than 1mm, and area is the least, if using the pole of band tab
Ear, is likely to result in two tabs overlapping, poor sealing when causing closedtop.Packaging film compared with prior art, is entered by the present invention
Row optimization processes, and lug bonding jumper is the thinnest, and within can being 20, surface is only made nano anti-corrosive and processed, it is not necessary to two-layer lug up and down
Glue.Packaging film directly with lug bonding jumper heat-sealing, greatly reduce cost, sealing intensity is high, and in lug use
Shi Dingwei is simple, improves efficiency, decreases the loss of lithium battery.
Accompanying drawing explanation
Fig. 1 is the structure diagram of the present invention.
Detailed description of the invention
A kind of card type ultra-thin lithium battery, gross thickness is not more than 1mm.Including battery 2, packaging film 1 and lug 3, described
Packaging film be used for being coated with battery and having fine cementability with lug, including PET outer layer, middle aluminium foil layer and internal layer heat
Sealing, after PET outer layer is combined by adhesive linkage dry type with middle aluminium foil layer, does single face nano anti-corrosive and processes, in centre
The inner surface of aluminium foil layer forms nano anti-corrosive layer, and internal layer hot sealing layer is maleic anhydride modified polyethylene or maleic anhydride modified poly-third
Alkene, uses copolymerization curtain coating or single curtain coating of squeezing to be combined with nano anti-corrosive layer, and first nano anti-corrosive layer surface carried out pre-by compound tense
Heat, is combined when nano anti-corrosive layer surface temperature reaches 100 DEG C-180 DEG C；
Lug bonding jumper is connected with battery after doing double-face nanometer preservative treatment；
The battery connecting lug bonding jumper is placed between two panels packaging film, carries out sealing edge sealing and process, by double-face nanometer
Antiseptic lug bonding jumper and the direct heat-sealing of packaging film.
Packaging film compound tense, uses hot-rolling mode to preheat on described nano anti-corrosive layer surface.May be used without hot blast side
Formula preheats.
The PET outer layer thickness of packaging film is 12-15nm, thickness of adhibited layer is 3-5 nm, middle aluminium foil layer thickness is
20-30 nm, internal layer hot sealing layer thickness are 15-30 nm.
The present invention substantially uses manual work, (being currently also difficult to automatization), PET outer layer can be modal very
Cheap biaxial stretch-formed PET.Middle aluminium foil layer can use generic needle free hole aluminium foil, and price is not within 20,000 yuan/T, and not
Must use the cold stamping shaped aluminum of high request, its price is at 50,000 yuan/about T.Adhesive linkage can use common double component adhesives,
20,000 yuan/about T of price, without the bonding agent using cold stamping shaped high performance requirements.Cost is substantially reduced.
The battery total capacity of card type ultra-thin lithium battery of the present invention < is generated heat during 100mA, discharge and recharge and use the least.
Claims (4)
1. a card type ultra-thin lithium battery, including battery, packaging film and lug, it is characterised in that:
Described packaging film is used for being coated with battery and having fine cementability with lug, including PET outer layer, middle aluminium foil layer
With internal layer hot sealing layer, after PET outer layer is combined by adhesive linkage dry type with middle aluminium foil layer, do at single face nano anti-corrosive
Reason, the inner surface at middle aluminium foil layer forms nano anti-corrosive layer, and internal layer hot sealing layer is maleic anhydride modified polyethylene or maleic acid
Anhydride modification polypropylene, uses copolymerization curtain coating or single curtain coating of squeezing to be combined with nano anti-corrosive layer, and compound tense, first to nano anti-corrosive layer table
Face preheats, and is combined when nano anti-corrosive layer surface temperature reaches 100 DEG C-180 DEG C；
Lug bonding jumper is connected with battery after doing double-face nanometer preservative treatment；
The battery connecting lug bonding jumper is placed between two panels packaging film, carries out sealing edge sealing and process, by double-face nanometer
Antiseptic lug bonding jumper and the direct heat-sealing of packaging film.
Card type ultra-thin lithium battery the most according to claim 1, it is characterised in that: packaging film compound tense, to described nanometer
Anticorrosive coat surface uses hot-rolling mode to preheat.
Card type ultra-thin lithium battery the most according to claim 1, it is characterised in that: the PET outer layer thickness of packaging film
For 12-15nm, thickness of adhibited layer be 3-5 nm, middle aluminium foil layer thickness be 20-30 nm, internal layer hot sealing layer thickness be 15-30
nm。
Card type ultra-thin lithium battery the most according to claim 1, it is characterised in that: the gross thickness of card type ultra-thin lithium battery
It is not more than 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610646135.4A CN106129454B (en) | 2016-08-09 | 2016-08-09 | Card type ultra-thin lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610646135.4A CN106129454B (en) | 2016-08-09 | 2016-08-09 | Card type ultra-thin lithium battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106129454A true CN106129454A (en) | 2016-11-16 |
| CN106129454B CN106129454B (en) | 2019-04-02 |
Family
ID=57258269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610646135.4A Active CN106129454B (en) | 2016-08-09 | 2016-08-09 | Card type ultra-thin lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106129454B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001118547A (en) * | 1999-10-15 | 2001-04-27 | Tdk Corp | Package |
| JP2003123710A (en) * | 2001-10-19 | 2003-04-25 | Dainippon Printing Co Ltd | Film for lead wire |
| CN101764199A (en) * | 2010-01-13 | 2010-06-30 | 黄山永新股份有限公司 | High-blocking corrosion-resisting lithium battery composite packaging film and preparation method thereof |
| CN103165831A (en) * | 2013-03-28 | 2013-06-19 | 江苏中金玛泰医药包装有限公司 | Novel aluminum plastic film for lithium battery |
| CN103950257A (en) * | 2014-05-08 | 2014-07-30 | 武汉华丽生物材料有限公司 | High-barrier bio-based composite membrane and preparation method thereof |
| CN104393203A (en) * | 2014-12-10 | 2015-03-04 | 连云港德立信包装材料有限公司 | Lithium battery aluminum plastic packaging film adopting aluminum foil single-surface nano process technology |
-
2016
- 2016-08-09 CN CN201610646135.4A patent/CN106129454B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001118547A (en) * | 1999-10-15 | 2001-04-27 | Tdk Corp | Package |
| JP2003123710A (en) * | 2001-10-19 | 2003-04-25 | Dainippon Printing Co Ltd | Film for lead wire |
| CN101764199A (en) * | 2010-01-13 | 2010-06-30 | 黄山永新股份有限公司 | High-blocking corrosion-resisting lithium battery composite packaging film and preparation method thereof |
| CN103165831A (en) * | 2013-03-28 | 2013-06-19 | 江苏中金玛泰医药包装有限公司 | Novel aluminum plastic film for lithium battery |
| CN103950257A (en) * | 2014-05-08 | 2014-07-30 | 武汉华丽生物材料有限公司 | High-barrier bio-based composite membrane and preparation method thereof |
| CN104393203A (en) * | 2014-12-10 | 2015-03-04 | 连云港德立信包装材料有限公司 | Lithium battery aluminum plastic packaging film adopting aluminum foil single-surface nano process technology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106129454B (en) | 2019-04-02 |
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Address after: 222000 Guangshen science and technology innovation base, No.1 East Road, Dongfang Avenue, Lianyungang Economic and Technological Development Zone, Lianyungang City, Jiangsu Province Patentee after: Jiangsu delixin Electronic Technology Co.,Ltd. Address before: 222000 Guangshen science and technology innovation base, No.1 East Road, Dongfang Avenue, Lianyungang Economic and Technological Development Zone, Lianyungang City, Jiangsu Province Patentee before: LIANYUNGANG DELIXIN ELECTRONIC TECHNOLOGY Co.,Ltd. |
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