CN105449221A - Current collector preparation method - Google Patents

Current collector preparation method Download PDF

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Publication number
CN105449221A
CN105449221A CN201410269132.4A CN201410269132A CN105449221A CN 105449221 A CN105449221 A CN 105449221A CN 201410269132 A CN201410269132 A CN 201410269132A CN 105449221 A CN105449221 A CN 105449221A
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China
Prior art keywords
carbon nanotube
nanotube layer
layer
metal
tube
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CN201410269132.4A
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CN105449221B (en
Inventor
魏洋
吴扬
范守善
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Tsinghua University
Hongfujin Precision Industry Shenzhen Co Ltd
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Tsinghua University
Hongfujin Precision Industry Shenzhen Co Ltd
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Priority to CN201410269132.4A priority Critical patent/CN105449221B/en
Priority to TW103123449A priority patent/TWI508360B/en
Priority to US14/738,955 priority patent/US20150361573A1/en
Publication of CN105449221A publication Critical patent/CN105449221A/en
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    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/54Electroplating of non-metallic surfaces
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/48After-treatment of electroplated surfaces
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00Electroplating characterised by the article coated
    • C25D7/06Wires; Strips; Foils
    • C25D7/0614Strips or foils

Abstract

The present invention relates to a current collector preparation method which is as follows: providing a carbon nanotube layer including a plurality of micropores and opposing first and second surfaces; electroplating a first metal layer on a first surface of the carbon nanotube layer; electroplating a second metal layer on a second surface of the carbon nanotube layer and forming a carbon nanotube composite layer; and tearing the carbon nanotube composite layer to divide the carbon nanotube composite layer into a first sub carbon nanotube layer and a second sub carbon nanotube layer, wherein the first sub carbon nanotube layer is attached to the surface of the first metal layer, and the second sub carbon nanotube layer is attached to the surface of the second metal layer.

Description

The preparation method of collector
Technical field
The present invention relates to a kind of preparation method of collector, particularly relate to a kind of preparation method of the collector based on carbon nano tube structure.
Background technology
Collector is an important chief component of electrochemical cell.In an electrochemical cell, collection liquid surface usually carries electrode active material and contacts electrolyte, can provide electron channel for electrochemical reaction, to accelerate electro transfer, and electric transmission is formed electric current to external circuit.Therefore, the performance of collector and the performance of electrochemical cell closely related.
Existing collector is prepared by conductive metal layer usually, as Copper Foil and aluminium foil etc.But, the as easy as rolling off a log oxidized formation one deck passivating film of these metal levels, or be corroded formation one insulating barrier in the electrolytic solution, this passivating film or insulating barrier substantially increase the contact resistance of electrode active material and this metal level, thus reduce capacity and the energy conversion efficiency of electrochemical cell.
Summary of the invention
In view of this, the necessary preparation method of collector providing a kind of and there is between electrode active material less contact resistance.
A preparation method for collector, comprising: provide a carbon nanotube layer, and described carbon nanotube layer has relative first surface and second surface, and this carbon nanotube layer comprises multiple carbon nano-tube, and at least part of carbon nano-tube interval arranges and forms multiple micropore; Electroplate a first metal layer at the first surface of described carbon nanotube layer, at second surface plating one second metal level of described carbon nanotube layer, form a carbon nano-tube composite bed; And tear described carbon nano-tube composite bed, described carbon nanotube layer is made to be divided into the first sub-carbon nanotube layer and the second sub-carbon nanotube layer, described first sub-carbon nanotube layer is attached at the surface of described the first metal layer, and described second sub-carbon nanotube layer is attached at the surface of described second metal level.
A preparation method for collector, comprising: provide a first metal layer; There is provided a carbon nanotube layer, described carbon nanotube layer comprises relative first surface and second surface, the first surface of described carbon nanotube layer is attached at the surface of described the first metal layer; At second surface plating one second metal level of described carbon nanotube layer, form a carbon nano-tube composite bed; And tear described carbon nano-tube composite bed, make described carbon nanotube layer formation one first sub-carbon nanotube layer be attached at the surface of described the first metal layer, one second sub-carbon nanotube layer laminating invests the surface of described second metal level, forms two collectors.
Compared with prior art, by the preparation method of collector provided by the invention, described carbon nano-tube is made firmly to be held between the first metal layer and the second metal level by the mode of plating, and then the mode be separated forms collector, can once obtain plural collector, make described carbon nanotube layer firmly fixing and described the first metal layer or the second layer on surface of metal, and block metal level directly to contact with electrolyte, thus the corrosion reaction between electrolyte and metal level can be stoped, reduce the impact of corrosion product on the contact resistance between collector and electrode material layer, the battery capacity improved and conversion efficiency.
Accompanying drawing explanation
Fig. 1 is the flow chart of the preparation method of the collector that first embodiment of the invention provides.
Fig. 2 is the structural representation of carbon nano-tube film in the collector that provides of first embodiment of the invention.
Fig. 3 is the structural representation of carbon nanotube layer in the collector that provides of first embodiment of the invention.
Fig. 4 is the flow chart of first embodiment of the invention at described carbon nanotube layer electroplating surface metal layer.
The flow chart of described carbon nano-tube composite bed is torn in the preparation method of the collector that Fig. 5 provides for first embodiment of the invention.
The flow chart of the preparation method of the collector that Fig. 6 provides for second embodiment of the invention.
Main element symbol description
Collector 10
Carbon nanotube layer 110
The first metal layer 120
Second metal level 130
First surface 111
Micropore 112
Second surface 113
Carbon nano-tube composite bed 11
First sub-carbon nanotube layer 114
Second sub-carbon nanotube layer 116
Electrode slice 140
Following specific embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Below in conjunction with the accompanying drawings and the specific embodiments, collector provided by the invention and preparation method thereof is described in further detail.
Refer to Fig. 1, the present invention also provides a kind of preparation method of collector 10, comprises the following steps:
Step S10, provides a carbon nanotube layer 110, and described carbon nanotube layer 110 comprises relative first surface 111 and second surface 113;
Step S11, electroplates a first metal layer 120 at the first surface 111 of described carbon nanotube layer 110, electroplates one second metal level 130 at the second surface 113 of described carbon nanotube layer 110, forms a carbon nano-tube composite bed 11; And
Step S12, tear described carbon nano-tube composite bed 11, described carbon nanotube layer 110 is made to be divided into the first sub-carbon nanotube layer 114 and the second sub-carbon nanotube layer 116, described first sub-carbon nanotube layer 114 is attached at the surface of described the first metal layer 120, and described second sub-carbon nanotube layer 116 is attached at the surface of described second metal level 130.
In step slo, described carbon nanotube layer 110 can be arranged at the surface of a substrate (not shown), also by the unsettled setting of a fixed frame, thus described carbon nanotube layer 10 can unsettledly be arranged in follow-up solution.Described substrate can be insulated substrate or electrically-conductive backing plate.Because described carbon nanotube layer 110 is a self supporting structure, therefore by spaced support body supports, by the unsettled setting of described carbon nanotube layer 110.Described carbon nano tube structure can comprise the carbon nano-tube film of multilayer laminated setting, described multilayer carbon nanotube film-stack and arranged in a crossed manner, is intertwined to form a network structure between the carbon nano-tube in different layers carbon nano-tube film.Each carbon nano-tube film comprises multiple carbon nano-tube, and described multiple carbon nano-tube is arranged of preferred orient in the same direction.Described preferred orientation refers to the overall bearing of trend of most of carbon nano-tube in carbon nano-tube film substantially in the same direction.And the overall bearing of trend of described most of carbon nano-tube is basically parallel to the surface of carbon nano-tube film.Further, in described carbon nano-tube film, most carbon nano-tube is joined end to end by Van der Waals force.Described carbon nanotube layer 110 comprises multiple micropore 112, and described multiple micropore 112 runs through described carbon nanotube layer 110 along the direction perpendicular to carbon nanotube layer 110 thickness.In the present embodiment, described carbon nanotube layer 110 is by the unsettled setting of a fixed frame.
In step s 11, described the first metal layer 120 is formed in the first surface 111 of described carbon nanotube layer 110 by the mode of plating.Concrete, the electro-plating method of described the first metal layer 120 comprises the steps:
Step S111, provides one containing the solution of metal ion;
Step S112, immerses in described solution by described carbon nanotube layer 110, and first surface 111 and the second surface 113 of described carbon nanotube layer 110 are exposed in solution, and and the parallel and interval of an electrode slice in solution arrange;
Step S113, an electrical potential difference is formed between described carbon nanotube layer 110 and described electrode slice, make reducing metal ions be metal and plating at the first surface 111 of described carbon nanotube layer 110 and second surface 113, form described the first metal layer 120 and the second metal level 130.
In step S111, the formation method of the solution containing metal ion is not limit, as long as ensure can form metal ion in described solution.The concentration of described metal ion can be selected according to actual needs such as the thickness of required the first metal layer 120 and the second metal level 130.In the present embodiment, described solution is by forming copper ion solution by the mode of copper sulphate dissolves in water.
In step S112, described carbon nanotube layer 110 and described electrode slice interval are arranged, and described spacing distance distance, for can be 0.5 centimetre ~ 3 centimetres, also can be selected according to actual needs.Described electrode slice comprises inert stone electrode ink sheet, platinum electrode sheet, stainless steel electrode sheet and layered carbon nano tubular construction, and its area is more than or equal to the area of carbon nano-tube film.Described electrode slice plays the effect of electrode, as long as good conductivity, and has inertia and can meet the demands.Described carbon nanotube layer 110 is suspended in described metal ion solution, concrete, because described carbon nanotube layer 110 is by the unsettled setting of fixed frame, when therefore being immersed in metal ion solution, the carbon nanotube layer 110 between fixed frame is suspended in described solution.In the present embodiment, described electrode slice is copper sheet, and the area of described copper sheet is greater than the area of described carbon nanotube layer 110.
In step S113, an electrical potential difference is formed between carbon nanotube layer 110 and electrode slice, and make electrode slice and positive source phase continuous cropping anode, carbon nanotube layer 110 and power cathode phase continuous cropping negative electrode, there is reduction reaction as on the carbon nanotube layer 110 of negative electrode in metal ion, forms metallic particles and be attached on the tube wall of described carbon nano-tube.In addition, in the process of plating, in described carbon nanotube layer 110, the surface of carbon nano-tube forms multiple dangling bonds, and described metallic particles is combined closely by the dangling bonds of described carbon nano-tube and described carbon nano-tube.Further, described metallic particles links each other on the surface of described carbon nanotube layer 110, forms a continuous print structure, thus makes the first metal layer 120 and the second metal level 130 be a continuous print structure.In addition, part metals ion reduction is the carbon nano tube surface that metallic particles is attached to described micropore 112 position, and makes the first metal layer 120 and the second metal level 130 mutually merge formation integrative-structure in this micropore 112 position.
The described method forming electrical potential difference between the anode and the cathode comprises and applies constant current, constant voltage or scanning electromotive force etc. between the anode and the cathode.In the present embodiment, between positive electrode and negative electrode, form the method for electrical potential difference for applying constant voltage, the voltage applied between anode and negative electrode is 0.5 ~ 1.2 volt, and the time is 0.5 hour ~ 4 hours.
Further, in step S112, described the first metal layer 120 and the second metal level 130 also can be formed step by step, concrete, also first the second surface 113 of described carbon nanotube layer 110 can be attached at a substrate (not shown), only make first surface 111 be exposed in metal ion solution, first electroplate at first surface 111 and form the first metal layer 120; And then the carbon nanotube layer 110 being electroplate with the first metal layer 120 is reversed, the second surface 113 of described carbon nanotube layer 110 is made to be exposed in metal ion solution, and be oppositely arranged with described electrode slice, then electroplate described second metal level 130 at second surface 113.
Further, in the process of plating second metal level 130, part second metal level 130 runs through described micropore 112, thus contacts with described the first metal layer 120 and form integrative-structure, is held on by described carbon nanotube layer 110 between described the first metal layer 120 and the second metal level 130.Be appreciated that, because described carbon nanotube layer 110 immerses in described metal ion solution, therefore, described metal ion is electroplated at the first surface 111 of described carbon nanotube layer 110 and second surface 113 simultaneously, and namely described second metal level 130 can be formed with described the first metal layer 120 simultaneously.
Further, after plating forms described second metal level 130, can further include an employing cleaning solution to clean and the step of drying described carbon nanotube layer 110, described the first metal layer 120 and the second metal level 130, to remove other residual impurity, and the first metal layer 120 and the second metal level 130 is made more firmly to be bonded to the surface of described carbon nanotube layer 110.
In step s 12, described carbon nano-tube composite bed 11 applies rightabout active force by two surfaces relative at described carbon nano-tube composite bed 11, makes described carbon nano-tube composite bed 11 be divided into two parts.See also Fig. 5, the disconnect method of described carbon nano-tube composite bed 11 comprises the steps:
Step S121, two surfaces relative to described carbon nano-tube composite bed 11 apply rightabout directed force F, F ';
Step S122, is continuously applied this institute firmly F, F ', the carbon nanotube layer 110 in described carbon nano-tube composite bed 11 is separated from centre, is attached at the surface of described the first metal layer 120 and the second metal level 130 respectively, forms two collectors 10.
In step S121, the large I of described two directed force F, F ' is selected according to the thickness of described carbon nanotube layer 110, described the first metal layer 120 and the second metal level 130, can separate to make described carbon nanotube layer 110.Described two directed force F, F ' put on two relative surfaces of carbon nano-tube composite bed 11, thus can by carbon nano-tube composite bed 11 through-thickness separately, the first substantially identical sub-carbon nanotube layer 114 and the second sub-carbon nanotube layer 116 of two panels area is divided into by carbon nanotube layer 110, the corresponding surface being attached at described the first metal layer 120 and the second metal level 130 respectively, thus form the substantially identical collector 10 of two areas, and the area of described collector 10 equals the area splitting front described carbon nano-tube composite bed 11 substantially.That is, the area of described first sub-carbon nanotube layer 114 and the second sub-carbon nanotube layer 116 equals the area splitting front described carbon nanotube layer 110 substantially.
Described separating method can be selected as required, such as, utilize tape sticker to be attached to the surface of described the first metal layer 120 and the second metal level 130, and then pull open described adhesive tape.Also the clamping devices such as tweezers can be utilized, by described carbon nano-tube composite bed 11 separately.Further, when described carbon nano-tube composite bed 11 thickness satisfies condition, also can utilize the cutting tools such as blade by described carbon nano-tube composite bed 11 separately.In the present embodiment, apply directed force F, F ' by the mode of tearing described carbon nano-tube composite bed 11 to described carbon nano-tube composite bed 11.
Being appreciated that also can by fixing for one of described carbon nano-tube composite bed 11 surface, and make described carbon nano-tube composite bed 11 separately to the mode that another surface of described carbon nano-tube composite bed 11 applies directed force F.
In step S122, in the process being continuously applied directed force F, F ', carbon nanotube layer 110 separates under the effect of directed force F, F ', form the first sub-carbon nanotube layer 114 and the second sub-carbon nanotube layer 116, and described first sub-carbon nanotube layer 114 is attached at the surface of described the first metal layer 120, and be combined with described the first metal layer 120 by the dangling bonds of carbon nano tube surface; Described second sub-carbon nanotube layer 116 is attached at the surface of described second metal level 130, and by the dangling bonds of carbon nano tube surface and the surface of described second metal level 130.In the process be separated, described first sub-carbon nanotube layer 114 is substantially identical with the thickness of the second sub-carbon nanotube layer 116, and is uniformly distributed in the surface of described the first metal layer 120 and the second metal level 130 respectively.Carbon nano-tube in described first sub-carbon nanotube layer 114 is parallel to the surface of described the first metal layer 120 substantially, and the carbon nano-tube in described second sub-carbon nanotube layer 114 is parallel to the surface of described second metal level 130 substantially.
The preparation method of the collector that the embodiment of the present invention provides has the following advantages: form the first metal layer and the second metal level by the mode of plating on the surface of described carbon nanotube layer, described the first metal layer and the second metal level can be made firmly to be bonded to the surface of described carbon nanotube layer, thus to avoid the drift of carbon nano-tube in subsequent applications or come off; This carbon nanotube layer metal level capable of blocking with there is certain corrosive electrolyte directly contact, thus the corrosion reaction between electrolyte and metal level can be stoped, described metal level is not corroded, reduces the impact of corrosion product on the contact resistance between collector and electrode material layer; Moreover, because described carbon nanotube layer has good conductivity, and this carbon nanotube layer directly contacts with described electrode material layer and can be combined preferably with this electrode material layer, thus reduce further the contact resistance between described collector and described electrode active material layers; Finally, the mode being formed described the first metal layer and the second metal level by plating and then torn, once can prepare two collectors, thus improve the preparation efficiency of described collector.
See also Fig. 6, second embodiment of the invention provides a kind of preparation method of collector 10, comprises the steps:
Step S20, provides a first metal layer 120;
Step S21, provides a carbon nanotube layer 110, and described carbon nanotube layer 110 comprises relative first surface 111 and second surface 113, the first surface 111 of described carbon nanotube layer 110 is attached at the surface of described the first metal layer 120;
Step S22, electroplates one second metal level 130 at the second surface 113 of described carbon nanotube layer 110, forms a carbon nano-tube composite bed 11; And
Step S23, tear described carbon nano-tube composite bed 11, described carbon nanotube layer 110 is formed surface that one first sub-carbon nanotube layer 114 is attached at described the first metal layer 120, one second sub-carbon nano-tube is 116 surfaces being attached at described second metal level 130 layer by layer.
The preparation method of the collector 10 that second embodiment of the invention provides is substantially identical with the first embodiment, its difference is, now the first surface 111 of described carbon nanotube layer 110 is attached with described the first metal layer 120, and then at second surface 113 depositing second metal layer 130.
In the step s 21, described the first metal layer 120 is combined closely with described carbon nanotube layer 110, described the first metal layer 120 plays the effect supporting described carbon nanotube layer 110, and the thickness of described the first metal layer 120 can be selected as required, to support described carbon nanotube layer 10.In the present embodiment, described the first metal layer 120 can be 10 microns, thus makes described collector 10 have certain mechanical strength.
In step S22, in the process of the deposition of described second metal level 130, second metal level 130 of corresponding position, space 112 will run through the space 112 of described carbon nanotube layer 110, and merge with described the first metal layer 120, make described carbon nanotube layer 110 firmly fixing and between described the first metal layer 120 and the second metal level 130.
In addition, those skilled in the art can also do other changes in spirit of the present invention, and these changes done according to the present invention's spirit all should be included in the present invention's scope required for protection.

Claims (12)

1. a preparation method for collector, comprising:
There is provided a carbon nanotube layer, described carbon nanotube layer has relative first surface and second surface, and this carbon nanotube layer comprises multiple carbon nano-tube, and at least part of carbon nano-tube interval arranges and forms multiple micropore;
Electroplate a first metal layer at the first surface of described carbon nanotube layer, at second surface plating one second metal level of described carbon nanotube layer, form a carbon nano-tube composite bed; And
Tear described carbon nano-tube composite bed, described carbon nanotube layer is made to be divided into the first sub-carbon nanotube layer and the second sub-carbon nanotube layer along its thickness direction, described first sub-carbon nanotube layer is attached at the surface of described the first metal layer, and described second sub-carbon nanotube layer is attached at the surface of described second metal level.
2. the preparation method of collector as claimed in claim 1, it is characterized in that, described carbon nanotube layer is a self supporting structure, is made up of multiple carbon nano-tube, and described multiple micropore runs through described carbon nanotube layer along the thickness direction of described carbon nanotube layer.
3. the preparation method of collector as claimed in claim 2, is characterized in that, in electroplating process, correspond to micro well locations place described the first metal layer and the second metal level merge formation integrative-structure mutually.
4. the preparation method of collector as claimed in claim 2, it is characterized in that, the electroplating process of described the first metal layer and the second metal level comprises the steps:
There is provided one containing the solution of metal ion;
Described carbon nanotube layer is immersed in described solution, and and the parallel and interval of an electrode slice in solution arrange, the first surface of described carbon nanotube layer and second surface are exposed in described metal ion solution;
Between described carbon nanotube layer and described electrode slice, form an electrical potential difference, make reducing metal ions metal and plating at the first surface of described carbon nanotube layer and second surface, form described the first metal layer and the second metal level.
5. the preparation method of collector as claimed in claim 4, it is characterized in that, described the first metal layer forms a continuous print structure at the first surface of described carbon nanotube layer, and described second metal level forms a continuous print structure at the second surface of described carbon nanotube layer.
6. the preparation method of collector as claimed in claim 4, is characterized in that, described carbon nanotube layer to immerse in metal ion solution and suspends and arranges, and is arranged in the unsettled setting of carbon nanotube layer of fixed frame.
7. the preparation method of collector as claimed in claim 1, it is characterized in that, described carbon nanotube layer comprises carbon nano-tube film multilayer laminated and arranged in a crossed manner, combined by Van der Waals force between described multilayer carbon nanotube film, each carbon nano-tube film comprises multiple carbon nano-tube and is arranged of preferred orient in the same direction, there is between carbon nano-tube in adjacent carbon nano-tube film an intersecting angle α, and this α is greater than 0 degree and is less than or equal to 90 degree.
8. the preparation method of collector as claimed in claim 1, it is characterized in that, the described thickness direction along described carbon nano-tube composite bed is torn described carbon nano-tube composite bed and is specifically comprised:
Two surface direction relative to described carbon nano-tube composite bed apply rightabout directed force F, F ';
Be continuously applied this institute firmly F, F ', the carbon nanotube layer in described carbon nano-tube composite bed separated from centre, is attached at the surface of described the first metal layer and the second metal level respectively, form two collectors.
9. the preparation method of collector as claimed in claim 8, is characterized in that, the applying direction of described directed force F perpendicular to described first surface, described directed force F ' applying direction perpendicular to described second surface.
10. the preparation method of collector as claimed in claim 8, it is characterized in that, the carbon nano-tube in described first sub-carbon nanotube layer is parallel to the surface of described the first metal layer; Carbon nano-tube in described second sub-carbon nanotube layer is parallel to the surface of described second metal level.
The preparation method of 11. 1 kinds of collectors, comprising:
One the first metal layer is provided;
There is provided a carbon nanotube layer, described carbon nanotube layer comprises relative first surface and second surface, the first surface of described carbon nanotube layer is attached at the surface of described the first metal layer;
At second surface plating one second metal level of described carbon nanotube layer, form a carbon nano-tube composite bed; And
Tear described carbon nano-tube composite bed, make described carbon nanotube layer formation one first sub-carbon nanotube layer be attached at the surface of described the first metal layer, one second sub-carbon nanotube layer laminating invests the surface of described second metal level, forms two collectors.
The preparation method of 12. collectors as claimed in claim 11, is characterized in that, in the process of the deposition of described second metal level, second metal level at corresponding clearance position place runs through the space of described carbon nanotube layer, and merges with described the first metal layer.
CN201410269132.4A 2014-06-17 2014-06-17 The preparation method of collector Active CN105449221B (en)

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TW103123449A TWI508360B (en) 2014-06-17 2014-07-08 Method of making current collector
US14/738,955 US20150361573A1 (en) 2014-06-17 2015-06-15 Method of making current collector

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108539153A (en) * 2018-03-27 2018-09-14 电子科技大学 Lithium metal composite negative pole material and preparation method thereof
CN109216703A (en) * 2018-09-06 2019-01-15 珠海光宇电池有限公司 A kind of flexible, porous collector and preparation method thereof
CN111048789A (en) * 2019-12-26 2020-04-21 珠海冠宇电池有限公司 Current collector and preparation method and application thereof
CN111900413A (en) * 2020-08-11 2020-11-06 珠海冠宇电池股份有限公司 Current collector and preparation method and application thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112368865A (en) * 2018-02-09 2021-02-12 深圳前海优容科技有限公司 Battery, battery cell, current collector and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102315454A (en) * 2011-08-02 2012-01-11 大连丽昌新材料有限公司 A kind of preparation of composite collector and the application in the lithium ion flow battery thereof
CN102738469A (en) * 2012-07-11 2012-10-17 中国第一汽车股份有限公司 Soft type polymeric compound lithium battery and preparation method thereof
CN103187573A (en) * 2011-12-28 2013-07-03 清华大学 Lithium-ion battery electrode

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2634306A (en) * 1950-04-26 1953-04-07 Douglas B Cruikshank Method of battery manufacture
CN103545529B (en) * 2012-07-13 2016-01-20 清华大学 Film lithium ion battery
CN103545555B (en) * 2012-07-13 2016-01-20 清华大学 The preparation method of lithium ion battery

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102315454A (en) * 2011-08-02 2012-01-11 大连丽昌新材料有限公司 A kind of preparation of composite collector and the application in the lithium ion flow battery thereof
CN103187573A (en) * 2011-12-28 2013-07-03 清华大学 Lithium-ion battery electrode
CN102738469A (en) * 2012-07-11 2012-10-17 中国第一汽车股份有限公司 Soft type polymeric compound lithium battery and preparation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108539153A (en) * 2018-03-27 2018-09-14 电子科技大学 Lithium metal composite negative pole material and preparation method thereof
CN109216703A (en) * 2018-09-06 2019-01-15 珠海光宇电池有限公司 A kind of flexible, porous collector and preparation method thereof
CN111048789A (en) * 2019-12-26 2020-04-21 珠海冠宇电池有限公司 Current collector and preparation method and application thereof
CN111900413A (en) * 2020-08-11 2020-11-06 珠海冠宇电池股份有限公司 Current collector and preparation method and application thereof

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TWI508360B (en) 2015-11-11
CN105449221B (en) 2018-04-03

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