CN109065838A - A kind of manganese lithium battery raw powder's production technology of combination porous metals piece - Google Patents
A kind of manganese lithium battery raw powder's production technology of combination porous metals piece Download PDFInfo
- Publication number
- CN109065838A CN109065838A CN201810937355.1A CN201810937355A CN109065838A CN 109065838 A CN109065838 A CN 109065838A CN 201810937355 A CN201810937355 A CN 201810937355A CN 109065838 A CN109065838 A CN 109065838A
- Authority
- CN
- China
- Prior art keywords
- porous metals
- powder
- metal foil
- piece
- lithium 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
-
- 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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/043—Processes of manufacture in general involving compressing or compaction
- H01M4/0435—Rolling or calendering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/665—Composites
- H01M4/667—Composites in the form of layers, e.g. coatings
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a kind of manganese lithium battery raw powder's production technologies of combination porous metals piece, the following steps are included: 1) take metal foil, microwell array is opened up on metal foil, porous metals piece is made, metal foil with a thickness of 8-20mm, overall width 217-370mm, punching width is 187-350mm, the aperture of micropore is 0.25-0.4mm, and the spacing between adjacent cells is 0.6-1mm；2) PET film is pasted onto porous metals on piece；3) side that porous metals piece of the powder material roll-in in step 2) is not pasted to PET film using twin rollers is flattened and PET film is torn to obtain semi-finished product powder after forming；It 4) is that circle gets product powder by the semi-finished product powder punching in step 3).The present invention produces battery powder using afflux technique, is mainly used for disposable lithium-manganese cell, can be effectively reduced production cost, while being also able to ascend the quality and capacity of battery, has vast market prospect.
Description
Technical field
The present invention relates to field of batteries, the manganese lithium battery raw powder's production technology of specifically a kind of combination porous metals piece.
Background technique
Lithium-manganese cell: full name lithium-manganese dioxide battery.In primary battery, using lithium metal as anode manganese dioxide as
Cathode, in primary battery, anode is cathode, and electronics flows to anode by cathode, and electric current flows to cathode by anode, in electrolytic cell middle-jiao yang, function of the spleen and stomach
Pole is connected with anode, and oxidation reaction occurs on anode is the anion in solution, corresponding with cathode.
Current domestic and international cell production companies, continue to use always the muffin production technology all not changed in over the past several decades,
Battery capacity cannot be improved well and the production process proportion of goods damageds are high, be with existing disposable button type lithium-manganese battery (3.0V)
Example, its powder is all round muffin shape or coating colloidal, it requires density very high in punching press, and meeting is otherwise easy when punching press
Cracking, and capacity do not reach requirement standard when in addition producing cell process after muffin note electrolyte, is easier to be directed at muffin organic
Meeting is loose, so qualitative control job requirement increases when powder processing process detection, increased costs when causing to produce.
Therefore the invention proposes a kind of processing method of the manganese lithium battery powder of combination porous metals piece, it is mainly used for primary
Property lithium-manganese cell (1.5V and 3.0V) can be effectively reduced production cost using afflux technique, while also be able to ascend battery
Quality and capacity, have vast market prospect.
Summary of the invention
The purpose of the present invention is to provide a kind of manganese lithium battery raw powder's production technologies of combination porous metals piece, to solve
The problems mentioned above in the background art.
To achieve the above object, the invention provides the following technical scheme:
A kind of manganese lithium battery raw powder's production technology of combination porous metals piece, comprising the following steps:
1) take metal foil, open up microwell array on metal foil, be made porous metals piece, metal foil with a thickness of 8-
20mm, overall width 217-370mm, punching width are 187-350mm, and the aperture of micropore is 0.25-0.4mm, adjacent cells it
Between spacing be 0.6-1mm；
2) PET film is adhered to porous metals on piece；
3) it is pressed into graininess after positive electrode being mixed, removes thick young powder by weeding out, obtains positive electrode particle slurry material；
4) PET film and porous metals piece will be pasted with using twin rollers and positive electrode particle slurry material roll-in becomes band powder
Body；
5) recycle twin rollers by band-like powder roll-in porous metals on piece, flatten after molding by PET film tear half at
Product powder；
It 6) is that circle gets product powder by semi-finished product powder punching.
As a further solution of the present invention: the metal foil in the step 1) is copper foil or aluminium foil.
As a further solution of the present invention: micropore is rounded in the step 1) or diamond shape.
As a further solution of the present invention: the overall width of metal foil is 217mm in the step 1), and punching width is
187mm, micropore size 0.25mm, micropore spacing are 0.6mm.
As a further solution of the present invention: the overall width of metal foil is 290mm in the step 1), and punching width is
260mm, micropore size 0.35mm, adjacent cells spacing are 0.8mm.
As a further solution of the present invention: the overall width of metal foil is 370mm in the step 1), and punching width is
350mm, micropore size 0.4mm, adjacent cells spacing are 1mm.
Compared with prior art, the beneficial effects of the present invention are:
The present invention produces battery powder using afflux technique, be mainly used for disposable lithium-manganese cell (1.5V and
3.0V), it can be effectively reduced production cost, while being also able to ascend the quality and capacity of battery, before having wide market
Scape.
Detailed description of the invention
Fig. 1 is conventional batteries powder structure schematic diagram.
Fig. 2 is the first structural schematic diagram using battery powder prepared by the present invention.
Fig. 3 is second of structural schematic diagram using battery powder prepared by the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
In the present embodiment, a kind of manganese lithium battery raw powder's production technology of combination porous metals piece, comprising the following steps:
1) take metal foil, open up microwell array on metal foil, be made porous metals piece, metal foil with a thickness of 8-
20mm, the overall width of metal foil are 217mm, and punching width is 187mm, micropore size 0.25mm, and adjacent cells spacing is
0.6mm；
2) PET film is adhered to porous metals on piece；
3) it is pressed into graininess after positive electrode being mixed, removes thick young powder by weeding out, obtains positive electrode particle slurry material；
4) PET film and porous metals piece will be pasted with using twin rollers and positive electrode particle slurry material roll-in becomes band powder
Body；
5) recycle twin rollers by band-like powder roll-in porous metals on piece, flatten after molding by PET film tear half at
Product powder；
It 6) is that circle gets product powder by semi-finished product powder punching.
Metal foil in the step 1) is copper foil or aluminium foil.
Micropore is rounded in the step 1) or diamond shape.
Embodiment 2
In the present embodiment, a kind of manganese lithium battery raw powder's production technology of combination porous metals piece, comprising the following steps:
1) take metal foil, open up microwell array on metal foil, be made porous metals piece, metal foil with a thickness of 8-
20mm, the overall width of metal foil are 290mm, and punching width is 260mm, micropore size 0.35mm, and adjacent cells spacing is
0.8mm；
2) PET film is adhered to porous metals on piece；
3) it is pressed into graininess after positive electrode being mixed, removes thick young powder by weeding out, obtains positive electrode particle slurry material；
4) PET film and porous metals piece will be pasted with using twin rollers and positive electrode particle slurry material roll-in becomes band powder
Body；
5) recycle twin rollers by band-like powder roll-in porous metals on piece, flatten after molding by PET film tear half at
Product powder；
It 6) is that circle gets product powder by semi-finished product powder punching.
Metal foil in the step 1) is copper foil or aluminium foil.
Micropore is rounded in the step 1) or diamond shape.
Embodiment 3
In the present embodiment, a kind of manganese lithium battery raw powder's production technology of combination porous metals piece, comprising the following steps:
1) take metal foil, open up microwell array on metal foil, be made porous metals piece, metal foil with a thickness of 8-
20mm, the overall width of metal foil are 370mm, and punching width is 350mm, and micropore size 0.4mm, adjacent cells spacing is 1mm；
2) PET film is adhered to porous metals on piece；
3) it is pressed into graininess after positive electrode being mixed, removes thick young powder by weeding out, obtains positive electrode particle slurry material；
4) PET film and porous metals piece will be pasted with using twin rollers and positive electrode particle slurry material roll-in becomes band powder
Body；
5) recycle twin rollers by band-like powder roll-in porous metals on piece, flatten after molding by PET film tear half at
Product powder；
It 6) is that circle gets product powder by semi-finished product powder punching.
Metal foil in the step 1) is copper foil or aluminium foil.
Micropore is rounded in the step 1) or diamond shape.
The present invention produces battery powder using afflux technique, be mainly used for disposable lithium-manganese cell (1.5V and
3.0V), it can be effectively reduced production cost, while being also able to ascend the quality and capacity of battery, before having wide market
Scape.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of manganese lithium battery raw powder's production technology of combination porous metals piece, which comprises the following steps:
1) take metal foil, open up microwell array on metal foil, be made porous metals piece, metal foil with a thickness of 8-20mm, always
Width is 217-370mm, and punching width is 187-350mm, and the aperture of micropore is 0.25-0.4mm, the spacing between adjacent cells
For 0.6-1mm；
2) PET film is adhered to porous metals on piece；
3) it is pressed into graininess after positive electrode being mixed, removes thick young powder by weeding out, obtains positive electrode particle slurry material；
4) PET film and porous metals piece will be pasted with using twin rollers and positive electrode particle slurry material roll-in becomes band powder；
5) it recycles twin rollers by band-like powder roll-in porous metals on piece, flattens and PET film is torn into obtain semi-finished product powder after forming
Body；
It 6) is that circle gets product powder by semi-finished product powder punching.
2. the manganese lithium battery raw powder's production technology of combination porous metals piece according to claim 1, which is characterized in that institute
Stating the metal foil in step 1) is copper foil or aluminium foil.
3. the manganese lithium battery raw powder's production technology of combination porous metals piece according to claim 1, which is characterized in that institute
State that micropore in step 1) is rounded or diamond shape.
4. the manganese lithium battery raw powder's production technology of combination porous metals piece according to claim 1, which is characterized in that institute
The overall width for stating metal foil in step 1) is 217mm, and punching width is 187mm, micropore size 0.25mm, adjacent cells spacing
For 0.6mm.
5. the manganese lithium battery raw powder's production technology of combination porous metals piece according to claim 1, which is characterized in that institute
The overall width for stating metal foil in step 1) is 290mm, and punching width is 260mm, micropore size 0.35mm, adjacent cells spacing
For 0.8mm.
6. the manganese lithium battery raw powder's production technology of combination porous metals piece according to claim 1, which is characterized in that institute
The overall width for stating metal foil in step 1) is 370mm, and punching width is 350mm, micropore size 0.4mm, adjacent cells spacing
For 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810937355.1A CN109065838A (en) | 2018-08-16 | 2018-08-16 | A kind of manganese lithium battery raw powder's production technology of combination porous metals piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810937355.1A CN109065838A (en) | 2018-08-16 | 2018-08-16 | A kind of manganese lithium battery raw powder's production technology of combination porous metals piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109065838A true CN109065838A (en) | 2018-12-21 |
Family
ID=64687277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810937355.1A Pending CN109065838A (en) | 2018-08-16 | 2018-08-16 | A kind of manganese lithium battery raw powder's production technology of combination porous metals piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109065838A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11195415A (en) * | 1997-11-05 | 1999-07-21 | Matsushita Electric Ind Co Ltd | Nonaqueous electrolyte battery and its manufacture |
| WO2002061863A1 (en) * | 2001-01-31 | 2002-08-08 | Korea Institute Of Science And Technology | A lithium electrode dispersed in porous 3-dimensional current collector, its fabrication method and lithium battery comprising the same |
| CN103165901A (en) * | 2011-12-15 | 2013-06-19 | 罗栋 | Pole piece substrate and pole piece of lithium battery, and preparation method thereof |
| CN108370030A (en) * | 2016-09-01 | 2018-08-03 | 株式会社Lg化学 | The method for preparing electrode using the current-collector with through-hole or hole |
-
2018
- 2018-08-16 CN CN201810937355.1A patent/CN109065838A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11195415A (en) * | 1997-11-05 | 1999-07-21 | Matsushita Electric Ind Co Ltd | Nonaqueous electrolyte battery and its manufacture |
| WO2002061863A1 (en) * | 2001-01-31 | 2002-08-08 | Korea Institute Of Science And Technology | A lithium electrode dispersed in porous 3-dimensional current collector, its fabrication method and lithium battery comprising the same |
| CN103165901A (en) * | 2011-12-15 | 2013-06-19 | 罗栋 | Pole piece substrate and pole piece of lithium battery, and preparation method thereof |
| CN108370030A (en) * | 2016-09-01 | 2018-08-03 | 株式会社Lg化学 | The method for preparing electrode using the current-collector with through-hole or hole |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209001017U (en) | Lithium secondary battery anode piece and lithium secondary battery | |
| CN109638357A (en) | A kind of integrated preparation method of electrodes of lithium-ion batteries/diaphragm | |
| CN103779579A (en) | Lithium battery negative electrode sheet and preparation method thereof as well as lithium battery preparation method | |
| CN110336020A (en) | A kind of high voltage compound lithium cobaltate cathode material and its preparation method and application | |
| CN110235284A (en) | The manufacturing method of all-solid-state battery electrode and the manufacturing method of all-solid-state battery | |
| CN107431236A (en) | Lithium rechargeable battery and its manufacture method | |
| CN110337752A (en) | Non-aqueous electrolyte secondary battery | |
| CN104584293A (en) | Flexible transparent air-metal batteries | |
| JP2019096612A (en) | Cathode active material for lithium secondary battery | |
| CN104269560A (en) | High-energy zinc-manganese battery | |
| CN110289451A (en) | A kind of button lithium battery and preparation method thereof | |
| CN111900337A (en) | Lithium ion battery pole piece and preparation method thereof | |
| JP2011034913A (en) | Lithium battery electrode, method of manufacturing the same, and lithium battery | |
| MX2023004080A (en) | Method of recovering high nickel content cathode material from recycled lithium ion and nickel metal hydride batteries. | |
| CN105206800B (en) | A method of lead-acid battery is prepared as the lead-acid battery of active material anode and using the anode using lead sulfate | |
| CN201773903U (en) | Button lithium battery | |
| CN109065838A (en) | A kind of manganese lithium battery raw powder's production technology of combination porous metals piece | |
| CN108701856A (en) | Secondary cell | |
| CN104362305B (en) | Composite material and production method thereof | |
| CN207765528U (en) | A kind of anode ear and the poly-lithium battery comprising the anode ear | |
| CN110676461A (en) | High-flexibility lithium ion battery fabric with flexible self-supporting function and preparation method thereof | |
| JPS59228353A (en) | Flat type battery | |
| CN108365270A (en) | A kind of lithium battery and preparation method thereof with solid electrolyte | |
| JP2018147739A (en) | Separator for zinc negative electrode secondary battery | |
| CN203503734U (en) | Positive body for button battery and button battery comprising positive body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181221 |
|
| RJ01 | Rejection of invention patent application after publication |