CN103811703B - A kind of lithium battery aluminum-plastic composite membrane and preparation method, lithium battery - Google Patents
A kind of lithium battery aluminum-plastic composite membrane and preparation method, lithium battery Download PDFInfo
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- CN103811703B CN103811703B CN201410067375.XA CN201410067375A CN103811703B CN 103811703 B CN103811703 B CN 103811703B CN 201410067375 A CN201410067375 A CN 201410067375A CN 103811703 B CN103811703 B CN 103811703B
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- lithium battery
- composite membrane
- plastic composite
- layer
- aluminium foil
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 60
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 239000002131 composite material Substances 0.000 title claims abstract description 55
- 239000012528 membrane Substances 0.000 title claims abstract description 55
- 239000004033 plastic Substances 0.000 title claims abstract description 55
- 229920003023 plastic Polymers 0.000 title claims abstract description 55
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000005030 aluminium foil Substances 0.000 claims abstract description 47
- 239000011241 protective layer Substances 0.000 claims abstract description 44
- 239000010410 layer Substances 0.000 claims abstract description 43
- 239000012790 adhesive layer Substances 0.000 claims abstract description 38
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000011651 chromium Substances 0.000 claims abstract description 14
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 14
- 229910052751 metal Inorganic materials 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 23
- 239000000376 reactant Substances 0.000 claims description 12
- 229920006026 co-polymeric resin Polymers 0.000 claims description 6
- 239000003792 electrolyte Substances 0.000 claims description 6
- HDERJYVLTPVNRI-UHFFFAOYSA-N ethene;ethenyl acetate Chemical compound C=C.CC(=O)OC=C HDERJYVLTPVNRI-UHFFFAOYSA-N 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims description 3
- 230000008021 deposition Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 5
- 239000011888 foil Substances 0.000 abstract description 4
- -1 and wherein Substances 0.000 abstract description 3
- 230000004888 barrier function Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000012785 packaging film Substances 0.000 description 4
- 229920006280 packaging film Polymers 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 208000032953 Device battery issue Diseases 0.000 description 1
- 238000005234 chemical deposition Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
-
- 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
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of lithium battery aluminum-plastic composite membrane and preparation method.Wherein, lithium battery aluminum-plastic composite membrane comprises the separator, aluminium foil layer and the adhesive layer that set gradually, is provided with protective layer between aluminium foil layer and adhesive layer, and wherein, protective layer is metallic chromium layer.By the way, the present invention can avoid that the corrosive liquids of battery is infiltrated by adhesive layer and corrosive aluminum foil layer is surperficial, guarantees serviceability and the security performance of battery, improves the barrier of aluminum-plastic composite membrane.
Description
Technical field
The present invention relates to field of batteries, particularly relate to a kind of lithium battery aluminum-plastic composite membrane and preparation method, lithium battery.
Background technology
In use easily discharge gas for metal current shell packaging lithium battery, pressure increase causes explosion issues, starts on the market to release a kind of novel flexible packing material, i.e. aluminum plastic film.This packaging material can expand release pressure, thus prevent blast.
As shown in Figure 1, in prior art, aluminum-plastic composite membrane generally includes separator 1, aluminium foil layer 2 and adhesive layer 3, and adhesive layer is generally polypropylene.But directly and battery core and electrolyte contacts, the corrosive liquids of lithium battery can be infiltrated by adhesive layer 3 aluminum-plastic composite membrane adhesive layer usually and directly etching aluminium foil layer is surperficial, the adhesive layer on aluminium foil layer surface is come off with it, layering, thus packaging film lost efficacy, battery failure.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of lithium battery aluminum-plastic composite membrane and preparation method, lithium battery, effectively can prevent the corrosive liquids corrosive aluminum foil layer surface of battery, guarantee that the adhesive layer on aluminium foil layer surface does not come off, battery no leakage, improve the useful life of packaging film.
For solving the problems of the technologies described above; the technical scheme that the present invention adopts is: provide a kind of lithium battery aluminum-plastic composite membrane; described aluminum-plastic composite membrane comprises the separator, aluminium foil layer and the adhesive layer that set gradually; protective layer is provided with between described aluminium foil layer and described adhesive layer; wherein, described protective layer is metal level.
Wherein, described metal level is metallic chromium layer.
Wherein, the thickness of described protective layer is between 0.01 ~ 5 micron.
Wherein, the thickness of described protective layer is between 0.1 ~ 2 micron.
Wherein, ethene-vinyl acetate copolymer resins layer is provided with between described protective layer and described adhesive layer.
Wherein, described lithium battery aluminum-plastic composite membrane is by cold-punching molding or the coated battery of straight forming.
For solving the problems of the technologies described above, the another kind of technical scheme that the present invention adopts is: provide a kind of lithium battery, described lithium battery comprises above-mentioned lithium battery aluminum-plastic composite membrane and lithium cell core, by the coated described lithium cell core of described lithium battery aluminum-plastic composite membrane, the adhesive layer of described lithium battery aluminum-plastic composite membrane is closest to described lithium cell core and contact with electrolyte.
For solving the problems of the technologies described above, the technical scheme in addition that the present invention adopts is: a kind of preparation method of lithium battery aluminum-plastic composite membrane, and described method comprises: be flow from top to bottom along stair-stepping bottom in stair-stepping saturation tank in bottom by reactant liquor; Aluminium foil is infiltrated and moves toward eminence from lower along stair-stepping bottom in described saturation tank in described reactant liquor, by controlling the relative motion of liquid and aluminium foil, depositing crome metal protective layer on described aluminium foil; The described aluminium foil of upper for deposition described crome metal protective layer is taken out and after cleaning, drying, the one side of described aluminium foil forms adhesive layer, and form separator on the another side of described aluminium foil.
Before carrying out aforesaid operations, prepare a kind of solution containing chromium in advance, when aluminium foil infiltrates wherein, crome metal can deposit to aluminium foil surface.
The invention has the beneficial effects as follows: the situation being different from prior art, the present invention by arranging protective layer between the aluminium foil layer and adhesive layer of aluminum-plastic composite membrane, and protective layer is metallic chromium layer.Thus can avoid that the corrosive liquids of battery is infiltrated by adhesive layer and corrosive aluminum foil layer is surperficial, guarantee that the adhesive layer on aluminium foil layer surface does not come off, battery no leakage, improve the useful life of packaging film.
Another beneficial effect of the present invention is: the adhesive layer of prior art is generally polypropylene, and direct film is at aluminium foil surface, and its bonding strength is lower, needs to introduce glue and aluminium foil and adhesive layer is glued together.Electrolyte due to lithium ion battery is organic solvent, and glue layer easily enters into electrolyte, thus affects the performance of battery.The present invention has the ethylene-vinyl acetate copolymer of polarity by introducing, can be connected with metal level with adhesive layer well, thus does not need to introduce glue, ensure that the performance of battery.
Accompanying drawing explanation
Fig. 1 is the structural representation of lithium battery aluminum-plastic composite membrane in prior art;
Fig. 2 is the structural representation of a kind of lithium battery aluminum-plastic composite membrane that embodiment of the present invention provides;
Fig. 3 is the structural representation of the another kind of lithium battery aluminum-plastic composite membrane that embodiment of the present invention provides;
Fig. 4 is the flow chart of the preparation method of a kind of lithium battery aluminum-plastic composite membrane that embodiment of the present invention provides.
Embodiment
Refer to Fig. 2; Fig. 2 is the structural representation of a kind of lithium battery aluminum-plastic composite membrane that embodiment of the present invention provides; the aluminum-plastic composite membrane that embodiment of the present invention provides comprises the separator 1, aluminium foil layer 2 and the adhesive layer 3 that set gradually; wherein; protective layer 4 is provided with between aluminium foil layer 2 and adhesive layer 3; wherein, protective layer 4 is metallic chromium layer.
Wherein, the THICKNESS CONTROL of protective layer 4 for being more than or equal to 0.01 micron to being less than or equal to 5 microns, such as 0.01 micron, 0.03 micron, 2 microns, 3 microns etc.Preferably, the THICKNESS CONTROL of protective layer 4 is less than or equal to 2 microns for being more than or equal to 0.1 micron, such as 0.2 micron, 0.4 micron, 1 micron etc.
Metallic chromium layer in the present invention can adopt chemical deposition mode; the thickness controlling metallic chromium layer is nanoscale or quasi-nano; thus thin, the fine and close performance requirement of aluminum-plastic composite membrane protective layer can be reached; even if thus make in the present embodiment have the aluminum-plastic composite membrane of crome metal protective layer also can well protect after the stretch aluminium foil layer surface; and crome metal is as a kind of inert metal, it can not affect manufacturing process and the performance thereof of battery.
The lithium battery aluminum-plastic composite membrane that present embodiment provides, it can pass through cold-punching molding or the coated battery of straight forming.Wherein, cold-punching molding refers to after plastic-aluminum combined film preparation completes, and by the mode of punching press, aluminum-plastic composite membrane is struck out given shape for carrying battery.Such as pit shape.And straight forming refers to and battery is directly placed on aluminum-plastic composite membrane, by aluminum-plastic composite membrane by cell core.
The lithium battery aluminum-plastic composite membrane that embodiment of the present invention provides, is provided with protective layer between the adhesive layer and aluminium foil layer of aluminum-plastic composite membrane, and protective layer is metallic chromium layer.In the prior art, the manufacture craft due to aluminum-plastic composite membrane requires and performance limits, and is selected to the large difficult point of one in battery R&D process to protective layer material.Present invention applicant determines through studying for a long period of time to adopt metallic chromium layer as protective layer material; it can effectively avoid the corrosive liquids of battery to be infiltrated and corrosive aluminum foil layer by adhesive layer; guarantee that the adhesive layer on aluminium foil layer surface does not come off, battery no leakage, improve the useful life of packaging film.Meanwhile, select crome metal as protective layer material, also can adapt to technological requirement and the performance requirement of lithium battery aluminum-plastic composite membrane.
As one preferred embodiment; refer to Fig. 3; Fig. 3 is the structural representation of the another kind of lithium battery aluminum-plastic composite membrane that embodiment of the present invention provides; the lithium battery aluminum-plastic composite membrane of present embodiment comprises the separator 1, aluminium foil layer 2 and the adhesive layer 3 that set gradually, wherein, is provided with protective layer 4 between aluminium foil layer 2 and adhesive layer 3; wherein; protective layer 4 is metallic chromium layer, and the detailed description of above-mentioned each layer refers to the description of Fig. 2 illustrated embodiment, does not repeat them here.
Wherein, between protective layer 4 and adhesive layer 3, ethene-vinyl acetate copolymer resins layer 5 is also provided with.
Preferred as one; the thickness of separator 1 is controlled between 20 ~ 30 microns in present embodiment; the thickness of aluminium foil layer 2 is between 30 ~ 90 microns; the thickness of protective layer is between 0.1 ~ 2 micron; the thickness of ethene-vinyl acetate copolymer resins layer 5 is between 5 ~ 20 microns, and the thickness of adhesive layer 3 is between 30 ~ 50 microns.
In the present embodiment; ethene-vinyl acetate copolymer resins layer 5 one aspect can make to fit more closely between protective layer 4 and adhesive layer 3 as sealing; on the other hand; because adhesive layer 3 comes off than being easier to; thus cause battery core packing film to be scrapped; utilize ethene-vinyl acetate copolymer resins layer 5 can strengthen both bonding, effectively prevent from coming off, extend the useful life of lithium battery aluminum-plastic composite membrane.
The lithium battery aluminum-plastic composite membrane that embodiment of the present invention provides, may be used for packing compact power, as battery of mobile phone, also may be used for packing electrical source of power, as lithium batteries such as electric automobile, electric motor car, electric tools.
On the basis of the lithium battery aluminum-plastic composite membrane provided in embodiment of the present invention, embodiment of the present invention provides a kind of lithium battery further, this lithium battery comprises aluminum-plastic composite membrane in above-mentioned execution mode and lithium cell core, by the coated lithium cell core of aluminum-plastic composite membrane, wherein, the adhesive layer of aluminum-plastic composite membrane contacts with electrolyte closest to battery.
Wherein, the battery that embodiment of the present invention provides can be lithium ion battery, solid state lithium battery battery etc.
On the other hand, in another execution mode of the present invention, a kind of preparation method of lithium battery aluminum-plastic composite membrane is provided further, refer to Fig. 4, Fig. 4 is the flow chart of the preparation method of a kind of lithium battery aluminum-plastic composite membrane that embodiment of the present invention provides, and the preparation method of the aluminum-plastic composite membrane of present embodiment comprises the following steps:
S101: be flow from top to bottom along stair-stepping bottom in stair-stepping saturation tank in bottom by reactant liquor;
Here reactant liquor is a kind of liquid containing chromium, and when aluminium foil infiltrates wherein, crome metal can deposit to aluminium foil surface as protective layer, and this liquid needs to prepare in advance.
S102: aluminium foil is infiltrated and moves toward eminence from lower along stair-stepping bottom in reactant liquor and in saturation tank, to plate crome metal protective layer on aluminium foil;
Preferred as one, to infiltrate in reactant liquor and in saturation tank along stair-stepping bottom from lower toward before the step of eminence movement at aluminium foil, prepare a kind of reactant liquor, chromium metal can be deposited to aluminium foil surface by this reactant liquor.
S103: the aluminium foil plating crome metal protective layer is taken out and after cleaning, drying, the one side of aluminium foil forms adhesive layer, and form separator on the another side of aluminium foil.
The aluminium foil plating crome metal protective layer is taken out and cleaning, drying; in the process of drying; to the upper and lower surface input hot blast of crome metal protective layer; dry with the moisture of the upper and lower surface to crome metal protective layer; then hot blast is exported; and the part hot blast of output is reclaimed, to re-enter the upper and lower surface of crome metal protective layer.
Wherein, before the upper and lower surface input hot blast to crome metal protective layer, the gas that input is outside, and to make it, hot blast is become to the gas-heated of outside.
Wherein, can simultaneously to multiple Position input hot blasts on the up surface of crome metal protective layer to the upper and lower surface input hot blast of crome metal protective layer.
The foregoing is only embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (7)
1. a lithium battery aluminum-plastic composite membrane, it is characterized in that, described lithium battery aluminum-plastic composite membrane comprises the separator set gradually, aluminium foil layer and adhesive layer, protective layer is provided with between described aluminium foil layer and described adhesive layer, wherein, described protective layer is metallic chromium layer, described metallic chromium layer deposits in the following manner to obtain: flowed from top to bottom along stair-stepping bottom in stair-stepping saturation tank by the reactant liquor containing chromium, aluminium foil is infiltrated and moves toward eminence from lower along stair-stepping bottom in reactant liquor and in saturation tank, chromium metal is made to deposit to aluminium foil surface.
2. lithium battery aluminum-plastic composite membrane according to claim 1, is characterized in that, the thickness of described protective layer is between 0.01 ~ 5 micron.
3. lithium battery aluminum-plastic composite membrane according to claim 2, is characterized in that, the thickness of described protective layer is between 0.1 ~ 2 micron.
4. lithium battery aluminum-plastic composite membrane according to claim 1, is characterized in that, is provided with ethene-vinyl acetate copolymer resins layer between described protective layer and described adhesive layer.
5. lithium battery aluminum-plastic composite membrane according to claim 1, is characterized in that, described lithium battery aluminum-plastic composite membrane is by cold-punching molding or the coated battery of straight forming.
6. a lithium battery, it is characterized in that, described lithium battery comprises lithium battery aluminum-plastic composite membrane described in any one of claim 1-5 and lithium cell core, by the coated described lithium cell core of described lithium battery aluminum-plastic composite membrane, the adhesive layer of described lithium battery aluminum-plastic composite membrane is closest to described lithium cell core and contact with electrolyte.
7. a preparation method for lithium battery aluminum-plastic composite membrane, is characterized in that, described method comprises:
Be flow from top to bottom along stair-stepping bottom in stair-stepping saturation tank in bottom by reactant liquor;
Aluminium foil is infiltrated and to move toward eminence from lower along stair-stepping bottom in described saturation tank, to deposit crome metal protective layer on described aluminium foil in described reactant liquor;
The described aluminium foil of upper for deposition described crome metal protective layer is taken out and after cleaning, drying, the one side of described aluminium foil forms adhesive layer, and form separator on the another side of described aluminium foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410067375.XA CN103811703B (en) | 2014-02-26 | 2014-02-26 | A kind of lithium battery aluminum-plastic composite membrane and preparation method, lithium battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410067375.XA CN103811703B (en) | 2014-02-26 | 2014-02-26 | A kind of lithium battery aluminum-plastic composite membrane and preparation method, lithium battery |
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| CN103811703A CN103811703A (en) | 2014-05-21 |
| CN103811703B true CN103811703B (en) | 2015-11-25 |
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| CN113381102A (en) * | 2021-05-07 | 2021-09-10 | 厦门大学 | Aluminum plastic film with excellent heat dissipation performance for battery packaging and preparation method thereof |
| CN114122579B (en) * | 2021-09-29 | 2024-05-24 | 乐凯胶片股份有限公司 | Thin aluminum plastic film and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1314008A (en) * | 1999-04-08 | 2001-09-19 | 大日本印刷株式会社 | meterial for packaging cell, bag for packaging cell, and its production method |
| CN101495305A (en) * | 2006-07-24 | 2009-07-29 | 艾尔坎技术及管理有限公司 | Plastic composite film |
| CN102431239A (en) * | 2011-06-14 | 2012-05-02 | 刘继福 | Polymer lithium ion battery core outer package forming material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002075298A (en) * | 2000-09-04 | 2002-03-15 | Sumitomo Light Metal Ind Ltd | Complex packing material for polymer battery and its manufacturing method as well as polymer battery using said complex packing material |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1314008A (en) * | 1999-04-08 | 2001-09-19 | 大日本印刷株式会社 | meterial for packaging cell, bag for packaging cell, and its production method |
| CN101495305A (en) * | 2006-07-24 | 2009-07-29 | 艾尔坎技术及管理有限公司 | Plastic composite film |
| CN102431239A (en) * | 2011-06-14 | 2012-05-02 | 刘继福 | Polymer lithium ion battery core outer package forming material |
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Address after: Huaian leoch 211600 city of Jiangsu province Jinhu County Road No. 73 building fourth layer Patentee after: JIANGSU ANBO RUIXIN MATERIAL CO., LTD. Address before: Huaian leoch 211600 city of Jiangsu province Jinhu County Road No. 73 building fourth layer Patentee before: JIANGSU ANBO RUIXIN MATERIAL CO., LTD. |
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Effective date of registration: 20161202 Address after: Shenzhen Nanshan District City, Guangdong province 518000 Liuxian Avenue North 1306 Southland Belvedere Garden Building K1401 room 4 Patentee after: Shi Baoqing Address before: Huaian leoch 211600 city of Jiangsu province Jinhu County Road No. 73 building fourth layer Patentee before: JIANGSU ANBO RUIXIN MATERIAL CO., LTD. |
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Effective date of registration: 20170510 Address after: 518000, No. 1, Tai Po River, first industrial district, Gongming street, Guangming District, Guangdong, Shenzhen Patentee after: Shenzhen City bri new and Mstar Technology Ltd Address before: Shenzhen Nanshan District City, Guangdong province 518000 Liuxian Avenue North 1306 Southland Belvedere Garden Building K1401 room 4 Patentee before: Shi Baoqing |