CN103155227A - Method for producing an electrode - Google Patents
Method for producing an electrode Download PDFInfo
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- CN103155227A CN103155227A CN2011800484964A CN201180048496A CN103155227A CN 103155227 A CN103155227 A CN 103155227A CN 2011800484964 A CN2011800484964 A CN 2011800484964A CN 201180048496 A CN201180048496 A CN 201180048496A CN 103155227 A CN103155227 A CN 103155227A
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- electrode
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- 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
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- 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
- H01M4/06—Electrodes for primary cells
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- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
-
- 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
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
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- 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
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
- H01M4/8875—Methods for shaping the electrode into free-standing bodies, like sheets, films or grids, e.g. moulding, hot-pressing, casting without support, extrusion without support
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- 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
- 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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
An electrode (1) for an electrochemical energy storage apparatus has a contour (2) which has two side edges, wherein a first side edge (3) and a second side edge (4) are connected to one another by a connecting section (5). The connecting section (5) has a substantially linear region (5a), which merges with the first side edge (3), and a substantially curved region (5b), which merges with the second side edge (4). When producing such an electrode, the first side edge (3) is produced by a first cut, the second side edge (4) is produced by a second cut, and the connecting section (5) is produced by the first cut or the second cut.
Description
Describe
The present invention relates to the method for the manufacture of electrode, and the electrode of making by the method, especially for the electrochemical energy memory device.
The exploitation of electrochemical energy memory device has received increasing concern recently, increasing because be used for the quantity of the described electrochemical energy memory device (for example at electronic product, in the vehicles and power plant) of stored energy always.Because therefore the electrochemical energy memory device is produced in enormous quantities, so except its technical performance, the importance of its production process also increases day by day.
As a rule, the electrochemical energy memory device has at least one electrochemical cell.It has restriction electro-chemical activity part conversely can not enter into the housing of surrounding enviroment.Particularly in the situation that the energy storage units of rectangle or coffee bag shape, the electro-chemical activity of unit part has a plurality of tabular positive electrodes, negative electrode and spacer usually, and it is alternately placed each other, thereby forms electrode stack.Electrolyte is held by spacer at least in part.
Positive electrode and negative electrode are collectively referred to as electrode.In most cases, cut into kind electrode by banded or tabular semi-finished product.Because the quantity of required electrode is huge, this cutting process is far reaching in the manufacture process of electrochemical energy memory device.
Be known that from prior art the sharp-pointed angle on plate or similar semi-finished product has radius, wherein preferably the acute angle from the first cut edge to the second cut edge excessively is understood to sharp-pointed angle.Angle or fringe region are how much moulding based on it, normally by external stress and/or thermal stress and cause danger.By for these dangerous parts are provided with radius, can reduce stress.In addition, can reduce the cracking of adjacent cells housing and/or the danger of wearing and tearing, and therefore increase the life-span of this assembly.
In addition, the memory capacity of electrochemical energy memory device also depends on the entire area of electrode.For increasing this area, two optional schemes are provided especially.One of them can increase for the increase capacity quantity of electrode in the unit, and another is the area that enlarges each independent electrode.
In order to realize adjusting neatly the size of electrode, as if meaningfully, use the instrument that is used for cutting electrode, this instrument has been realized at least one first cutting and and incoherent in fact the second cutting of this first cutting.By two two mutual incoherent cuttings in fact, the profile of electrode by at least two-be substantially in the situation of rectangular electrode, be preferably four-separate in fact cut edge and form.
The objective of the invention is to propose a kind of Innovative method for the manufacture of electrode, and a kind of improved electrode.
According to the present invention, this purpose realizes by the guidance of independent claims.Advantageous modification of the present invention is the dependent claims theme.
Electrode according to the present invention has the profile that comprises two lateral edges, and wherein first side edge and second side edge interconnect by the coupling part.Described coupling part has the zone of the straight line in fact that is transitioned into the first side edge, and is transitioned into the in fact crooked zone of second side edge.In the manufacturing of this electrode, the first side edge produces by the first cutting, and second side edge produces by the second cutting, and produces the coupling part by the first cutting or the second cutting.
For electrode according to the present invention, the coupling part between two lateral edges of electrode has part and the crooked part of straight line.Thus, attainable is that edge or the marginal portion of electrode are not cut by acute angle.In other words, can avoid sharp-pointed angle on electrode, namely have the angle of 90 ° or less interior angle.As a result of, can reduce mechanical stress and the thermal stress of the electrode in the zone of coupling part, and be reduced in the danger that in the zone, coupling part, adjacent housing is damaged.This can increase, and for example has the life-span of the electrochemical cell of this electrode.
" electrochemical energy memory device " is understood to mean and can extracts the energy accumulator of above-mentioned any type of electric energy from it, wherein, in the inside of energy accumulator, electrochemical reaction occurs.This term comprises all types of energy accumulators, particularly primary cell, secondary battery and fuel cell.The electrochemical energy memory device has at least one electrochemical cell, is preferably to have a plurality of electrochemical cell.In order to store more substantial electric charge, a plurality of electrochemical cell can be connected in parallel, or in order to realize that required operating voltage can be connected in series, or form combination in parallel and that be connected in series.
" electrochemical cell " is construed as exporting the equipment of the purpose of electric energy, and energy is stored with chemical species therein.In the situation that chargeable secondary battery, the unit also is formed the absorption electric energy, converts thereof into chemical energy and is stored.The profile of electrochemical cell (namely particularly size and geometry) can be selected according to free space.Preferably, electrochemical cell is formed prismatic or cylindrical basically.The present invention can be applied to electrochemical cell (it is described to bag-shaped battery (Pouchzellen) and coffee bag battery (Coffeebagzellen)) especially in an advantageous manner, rather than electrochemical cell of the present invention should be limited in this application.Should be understood to mean about " electrode stack " structure that is consisted of by at least two electrodes and the electrolyte that arranges between it.Electrolyte can partly be held by spacer, wherein spacer so spaced electrodes.Preferably, electrode stack has electrode and the spacer of multilayer, wherein the electrode of identical polar each preferably be electrically connected to each other, particularly be connected in parallel.It is for example tabular or the paper tinsel shape that electrode is formed, and is preferably set to (prismatic energy storage units) parallel to each other basically.Electrode stack also can be reeled, and has and be essentially columniform profile (column type energy storage units).Term " electrode stack " also should comprise the kind electrode volume.Electrode stack can have lithium or same other alkali metal with ionic species.
Term " electrode " means framework planted agent of the present invention and is essentially tabular element by what electric conducting material (being preferably metal or metal alloy) was made.Therefore, the thickness of electrode can reach plate thickness to several millimeters from paper tinsel thickness.Profile, namely the basic configuration of electrode is arbitrarily basically.Preferably, electrode has the basic configuration of the rectangle that has in fact four lateral edges, and described lateral edges is perpendicular to one another in fact.
" profile " of electrode preferably is understood to the edge of the closed annular of electrode.Preferably, the profile of electrode has polygonal in fact shape.More preferably, the shape of the profile of electrode is determined by at least one first side edge and second side edge, is preferably by two first side edge and two second side edges and determines.Preferably, the profile of electrode has at least two straight line portioies.
Term " coupling part " is understood to the part of the profile of electrode, and it connects first side edge and second side edge.The coupling part preferably connects lateral edges, and described lateral edges is with an angle of intersection, and described angle is greater than 60 °, is preferably more than 80 ° and/or be preferably less than 120 °, be preferably less than 100 °, and particularly preferably these lateral edges with right angle intersection in fact.
Term " semi-finished product " comprises prefabricated raw material form, and it must be further processed to make final products.Semi-finished product are preferably provided in band shape (namely with continuous form), or tabular (being unitary part).Therefore, banded or tabular semi-finished product are understood to have the semi-finished product of very large extension with respect to its thin thickness on its first and second direction in space.Therefore, thickness can be reached by paper tinsel thickness the thickness of the plate of several millimeters.In order to make the electrode with paper tinsel thickness, half-finished thickness is preferably less than 1mm, more is particularly preferably less than 0.3mm, is particularly preferably less than 0.15mm and/or greater than 0.05mm, more is particularly preferably greater than 0.1mm and is particularly preferably greater than 0.125mm.
Herein, term " cutting " is understood to all machineries and non-mechanical separation method, forms the electrode with desirable profile by banded or tabular semi-finished product.Such separation method comprises particularly the method for the machinery of for example punching press, cutting, saw and similar type, and for example laser cutting, water jet cut and the non-mechanical approach of similar type.The profile of electrode preferably forms by repeatedly cutting operation or cutting process, has formed lateral edges and the coupling part of the profile of electrode by described repeatedly cutting operation or cutting process.Therefore the semi-finished product that provide and the relevant defiber part between electrode preferably are provided in the cut edge.Preferably, have one in cutting process, be preferably two cut edges.Preferably, the cut edge that produces in cutting process is parallel to each other in fact.
" linearity region " of coupling part is understood to not have in the profile of electrode the part of curvature.Preferably, the bending area adjacency of linearity region and coupling part.
" bending area " of coupling part is understood to have in the profile of electrode the part of curvature.Curvature is preferably and is essentially convex.Preferably, the curvature in the bending area of coupling part is understood to continuous.Preferably, the second side edge adjacency of the bending area of coupling part and electrode.More preferably, the linearity region adjacency of bending area and coupling part.
In a preferred embodiment, the bending area of coupling part has fan-shaped in fact shape.More preferably, this zone has and is preferably constant radius.Preferably, this radius is at about 1mm with approximately in the scope between 10mm, more is particularly preferably at about 2mm with approximately in the scope between 6mm, is particularly preferably approximately 3mm.By the radius of described size, with the disadvantageous angle stress that is reduced on the one hand on the profile of electrode, in addition will be by the relatively large area of crooked zone maintenance electrode.
In a preferred embodiment, the bending area of coupling part can be described by subtended angle in fact.This subtended angle is preferably more than 30 °, more preferably greater than 40 ° and/or be preferably less than 60 °, more preferably less than 50 °, and is particularly preferably approximately 45 °.Reach described size by the subtended angle that makes sweep, can realize by the coupling part, the area of electrode being maintained relatively large, and reduce angle stress.
In a preferred embodiment, the bending area of coupling part is tangent with the second side edge of electrode in fact.Preferably, the bending area of coupling part is tangent in lateral edges, and it does not intersect with the linearity region of coupling part.By this tangent transition advantageously, avoid the discontinuity in the profile of electrode, and therefore corresponding reduction stress, and be provided for the method that is modified of cutting electrode.
In a preferred embodiment, the first side edge of the linearity region of coupling part and electrode is with an angle of intersection, and described angle is preferably more than 15 °, more preferably greater than 25 ° and/or be preferably less than 60 °, more preferably less than 50 °, and be particularly preferably approximately 45 °.By the angle in described angular range, can realize on the one hand, only reduce tinily the area of electrode by the coupling part, and on the other hand, the edge stress at the excessive place of the linearity region of the coupling part on lateral edges is kept less.
In a preferred embodiment, the bending area of coupling part is transitioned into the linearity region of coupling part in fact tangently.In the situation that favourable, can avoid by this tangential transition, the position of the transition between two zones of coupling part produces the discontinuous of electrode profile, and its life-span for the stress on electrode or adjacent unit housings produces adverse influence.
In a preferred embodiment, electrode has the shape of rectangle in fact.More preferably, every two lateral edges all interconnect by coupling part designed according to this invention.Electrode preferably has four coupling parts, and all sides edge interconnects by described coupling part.By the design to electrode, make this electrode have in described zone insensitive to external stress and have the profile of relatively large area.By the design of described electrode, therefore preferred large surface area and preferred insensitive electrode will be provided.For example avoid in an advantageous manner in addition the danger of the damage that the angle by sharp-pointed edge causes for adjacent unit housings.
By following description, provide by reference to the accompanying drawings other the possibility of feature, advantage and application of the present invention.Wherein show:
Fig. 1 is banded half-finished the first and second cuttings for electrode constructed in accordance,
Fig. 2 is the schematic local diagram for the electrode profile in the zone of explaining the coupling part between two lateral edges of electrode, and
Fig. 3 is the schematic local diagram of electrode stack.
Fig. 1 shows in fact on the first direction in space 13 and the semi-finished product 8 of the band shape of extending on second space direction 14.This half-finished thickness (referring to Fig. 3) is with respect to its first and second direction in space 13, the 14th, and is little, for example has the only thickness of paper tinsel.
By the first cutting process, produce final two the first cut edges that form two first side edge 3 of electrode 1 in these semi-finished product 8, and produce final two the second cut edges that form two second side edges 4 of electrode 1 by the second cutting process.Wherein also can carry out the second cutting process before the first cutting process.Formed the profile 2 of electrode 1 by these two cutting process.Two cutting process will preferably be embodied as, and make electrode 1 separate from semi-finished product 8 fully.
In the embodiment in figure 1, each extends cut edge 3 on the whole width 14 of semi-finished product band 8, and these cuttings can also be implemented as shorter, and only greatly about with other the zone in crosspoint of cut edge 4 on realize.According to the character of cutting process, this method can cause the cutting process that shortens in time.
Fig. 2 shows the first side edge 3 of electrode 1 and the coupling part 5 between second side edge 4.This coupling part 5 has linearity region 5a and bending area 5b especially.Linearity region 5a is transitioned in the first side edge 3 of electrode 1 with (outward) angle 6 less than 90 °, and bending area 5b in fact tangentially is transitioned in second side edge 4 simultaneously.In addition, the linearity region 5a of coupling part 5 in fact tangentially is transitioned in bending area 5b.The title of the first and second lateral edges can also be alternatively conversely.
The sweep 5b of coupling part 5 has the fan-shaped shape of the circle of being essentially, and this shape has radius 9 and subtended angle 7.As shown in figure 2, linearity region 5a intersects with angle 6 and first side edge 3.
In the embodiment shown, the radius 9 of the bending area 5b of coupling part 5 is about 4mm, the subtended angle of the bending area 5b of coupling part 5 is approximately 45 °, and the angle of intersection 6 between the first side edge 3 of the linearity region of coupling part 5 5a and electrode 1 is approximately 45 °, and the present invention should be not limited to these numerical value.
As shown in figure 2, with respect to the pure curvature that can be described by radius of curvature 10 between the first side edge 3 of electrode 1 and second side edge 4, will be by the enlarged areas area increment of manufacturing method according to the invention with electrode 1
11.The whole area increment that is essentially the electrode 1 of rectangle is to be obtained by four all area increments 11 combination, and the whole area increment of electrochemical energy storage cell is obtained by a plurality of area increments 11 combinations of a plurality of electrodes 1.Can improve the capacity of electrochemical energy memory device by described a plurality of area increments 11.
Fig. 3 shows the part of electrode stack, and wherein this electrode stack has a plurality of electrodes 1 and a plurality of spacers 12 between electrode 1.Spacer 12 is set to, and makes two electrodes 1 be separated from each other by this spacer 12.Electrode 1 has in fact the thickness 15 of semi-finished product 8.Different electrodes 1 can be made by different semi-finished product 8 also correspondingly has different thickness 15.
Reference numerals list
1 electrode
2 electrode profiles
3 first side edge
4 second side edges
5 coupling parts
The linearity region of 5a coupling part
The bending area of 5b coupling part
6 angles of intersection
7 subtended angles
8 semi-finished product
The radius of 9 bending area 5b
10 radius of curvature
11 area increments
12 spacers
13 first direction in spaces
14 second space directions
The thickness of 15 semi-finished product or electrode
Claims (14)
1. one kind is used for by banded or tabular semi-finished product, (8) manufacturing has profile, (2) electrode, (1) method, described electrode, (1) be used in particular for the electrochemical energy memory device, described profile, (2) have two lateral edges, first side edge wherein, (3) and second side edge, (4) pass through the coupling part, (5) interconnect, wherein said first side edge, (3) produce by the first cutting, and described second side edge, (4) produce by the second cutting
It is characterized in that,
Described coupling part (5) has the zone of straight line (5a) and crooked in fact zone (5b) in fact; And
Described coupling part (5) produces by described the first cutting or described the second cutting.
2. the method for claim 1,
It is characterized in that,
The zone (5b) of the described bending of described coupling part (5) has fan-shaped in fact shape.
3. method as claimed in claim 2,
It is characterized in that,
The radius (9) of the part (5b) of the described bending of described coupling part (5) more preferably in the scope from about 2mm to about 6mm, is particularly preferably approximately 3mm in from about 1mm to the about scope 10mm.
4. the method according to any one of the preceding claims,
It is characterized in that,
The zone (5b) of the described bending of described coupling part (5) has subtended angle (7), described subtended angle (7) from approximately 30 ° in the about scope of 60 °, more preferably from approximately 40 ° in the about scope of 50 °, be particularly preferably approximately 45 °.
5. the method according to any one of the preceding claims,
It is characterized in that,
The zone (5b) of the described bending of described coupling part (5) in fact tangentially is transitioned in the described second side edge (4) of described electrode (1).
6. the method according to any one of the preceding claims,
It is characterized in that,
Intersect with the first side edge (3) of angle (6) with described electrode (1) in the zone (5a) of the described straight line of described coupling part (5), described angle (6) from approximately 15 ° in the about scope of 60 °, more preferably from approximately 25 ° in the about scope of 50 °, be particularly preferably approximately 45 °.
7. the method according to any one of the preceding claims,
It is characterized in that,
The zone (5b) of the described bending of described coupling part (5) in fact tangentially is transitioned into the zone (5a) of the described straight line of described coupling part (5).
8. the electrode especially for the electrochemical energy memory device (1), described electrode (1) has profile (2), described profile (2) has two lateral edges, wherein first side edge (3) and second side edge (4) interconnect by coupling part (5)
It is characterized in that,
Described coupling part (5) has the zone (5a) of the straight line in fact that is transitioned into described first side edge (3), and is transitioned into the crooked in fact zone (5b) of described second side edge (4).
9. electrode as claimed in claim 8,
It is characterized in that,
Described electrode (1) has the shape of rectangle in fact, and the shape of described rectangle has four lateral edges altogether, and wherein every two lateral edges (3,4) are connected by coupling part as claimed in claim 8 (5).
10. electrode as claimed in claim 8 or 9,
It is characterized in that,
The zone (5b) of the described bending of described coupling part (5) has fan-shaped in fact shape, the radius (9) in the zone of wherein said bending (5b) is preferably in from about 1mm to the about scope 10mm, more preferably in the scope from about 2mm to about 6mm, be particularly preferably approximately 4mm.
11. electrode as described in any one in claim 8 to 10,
It is characterized in that,
The zone (5b) of the described bending of described coupling part (5) has subtended angle (7), wherein said subtended angle (7) from approximately 30 ° in the about scope of 60 °, more preferably from approximately 40 ° in the about scope of 50 °, be particularly preferably approximately 45 °.
12. electrode as described in any one in claim 8 to 11,
It is characterized in that,
Intersect with angle (6) and described first side edge (3) in the zone (5a) of the described straight line of described coupling part (5), described angle (6) from approximately 15 ° in the about scope of 60 °, more preferably from approximately 25 ° in the about scope of 50 °, be particularly preferably approximately 45 °.
13. electrode as described in any one in claim 8 to 12,
It is characterized in that,
The zone (5b) of the described bending of described coupling part (5) in fact tangentially is transitioned into the zone (5a) of the described straight line of described coupling part (5).
14. an electrochemical cell, it has at least one electrode as described in any one in claim 8 to 13 (1).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010047642.0 | 2010-10-06 | ||
| DE102010047642A DE102010047642A1 (en) | 2010-10-06 | 2010-10-06 | Method for producing an electrode |
| PCT/EP2011/004966 WO2012045449A1 (en) | 2010-10-06 | 2011-10-05 | Method for producing an electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103155227A true CN103155227A (en) | 2013-06-12 |
Family
ID=44802003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011800484964A Pending CN103155227A (en) | 2010-10-06 | 2011-10-05 | Method for producing an electrode |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP2625734A1 (en) |
| JP (1) | JP2013543638A (en) |
| KR (1) | KR20130116880A (en) |
| CN (1) | CN103155227A (en) |
| DE (1) | DE102010047642A1 (en) |
| WO (1) | WO2012045449A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086274A (en) * | 2017-05-15 | 2017-08-22 | 京东方科技集团股份有限公司 | Organic light emitting diode and its preparation method |
| CN113727809A (en) * | 2019-04-23 | 2021-11-30 | 肖特股份有限公司 | Glass or glass-ceramic plate and method for producing such a plate |
| CN114173973A (en) * | 2019-07-30 | 2022-03-11 | 株式会社Lg新能源 | Electrode for secondary battery and method for manufacturing same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018006138A (en) * | 2016-06-30 | 2018-01-11 | パナソニック株式会社 | Electrode for power storage device, and power storage device employing the same |
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-
2010
- 2010-10-06 DE DE102010047642A patent/DE102010047642A1/en not_active Withdrawn
-
2011
- 2011-10-05 JP JP2013532071A patent/JP2013543638A/en active Pending
- 2011-10-05 EP EP11770351.2A patent/EP2625734A1/en not_active Withdrawn
- 2011-10-05 KR KR1020137011364A patent/KR20130116880A/en not_active Withdrawn
- 2011-10-05 WO PCT/EP2011/004966 patent/WO2012045449A1/en active Application Filing
- 2011-10-05 CN CN2011800484964A patent/CN103155227A/en active Pending
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| JPH10270014A (en) * | 1997-03-27 | 1998-10-09 | Fuji Film Selltec Kk | Sheet electrode and battery using it |
| US6348283B1 (en) * | 1998-12-24 | 2002-02-19 | Alcatel | Storage cell in which an electrode has an edge reinforced by a metal strip |
| US6300002B1 (en) * | 1999-05-13 | 2001-10-09 | Moltech Power Systems, Inc. | Notched electrode and method of making same |
| CN201336332Y (en) * | 2008-12-05 | 2009-10-28 | 深圳市倍特力电池有限公司 | Positive plate of nickel battery and battery using same |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086274A (en) * | 2017-05-15 | 2017-08-22 | 京东方科技集团股份有限公司 | Organic light emitting diode and its preparation method |
| US11171301B2 (en) | 2017-05-15 | 2021-11-09 | Boe Technology Group Co., Ltd. | Organic light emitting diode and method for fabricating the same |
| CN113727809A (en) * | 2019-04-23 | 2021-11-30 | 肖特股份有限公司 | Glass or glass-ceramic plate and method for producing such a plate |
| CN113727809B (en) * | 2019-04-23 | 2023-10-24 | 肖特股份有限公司 | Glass or glass ceramic plate and method for manufacturing such a plate |
| CN114173973A (en) * | 2019-07-30 | 2022-03-11 | 株式会社Lg新能源 | Electrode for secondary battery and method for manufacturing same |
| CN114173973B (en) * | 2019-07-30 | 2023-09-01 | 株式会社Lg新能源 | Electrode for secondary battery and method for manufacturing the same |
| US12218335B2 (en) | 2019-07-30 | 2025-02-04 | Lg Energy Solution, Ltd. | Electrode for secondary battery and method for manufacturing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013543638A (en) | 2013-12-05 |
| WO2012045449A1 (en) | 2012-04-12 |
| EP2625734A1 (en) | 2013-08-14 |
| KR20130116880A (en) | 2013-10-24 |
| DE102010047642A1 (en) | 2012-04-12 |
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Application publication date: 20130612 |