CN102290552B - Hoop-shaped part for aluminum tab - Google Patents
Hoop-shaped part for aluminum tab Download PDFInfo
- Publication number
- CN102290552B CN102290552B CN201110166028.9A CN201110166028A CN102290552B CN 102290552 B CN102290552 B CN 102290552B CN 201110166028 A CN201110166028 A CN 201110166028A CN 102290552 B CN102290552 B CN 102290552B
- Authority
- CN
- China
- Prior art keywords
- metal level
- strap
- aluminum
- metal
- hoop
- 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.)
- Active
Links
Classifications
-
- 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
- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention provides a hoop-shaped part for an aluminum tab. The hoop-shaped part is capable of producing the aluminum tab, which can be in soldered joint with metal materials, only through cutting at a prescribed position of a given band-shaped aluminum conductor. Metal layers (12) made of conductive metal easy for soldering are partially formed at a prescribed internal on surfaces of the band-shaped flat conductor (11) formed by aluminum or aluminum alloy; and between the metal layers, the two surfaces of the flat conductor are adhered with insulating resin films. The conductive metal may be any one from or combination of Ni, Sn, Au, Zn, Ag, and Cu. Moreover, the preferable metal layers (12) have a thickness less than or identical with 0.5mm and are formed by one from a partial plating method, a cold spray method, and a cold weld method.
Description
Technical field
The present invention relates to a kind of hoop shape parts for lug of the use aluminium conductor for nonaqueous electrolyte equipment etc.
Background technology
As the power supply of miniaturized electronics, such as using the nonaqueous electrolyte batteries such as lithium ion battery.As this nonaqueous electrolyte battery, known following structure, that is, be housed in positive plate, negative plate and electrolyte in the packaging body consisting of plural layers, after the lug being connected is sealed, it drawn to outside with positive plate, negative plate.In this case, lug is used the such lead material of aluminum or aluminum alloy at side of the positive electrode conventionally.
The lug of aluminum or aluminum alloy system cannot utilize solder to be simply electrically connected to.Therefore, when being connected or be connected with circuit substrate, a plurality of nonaqueous electrolyte devices in series of using aluminium pole ears need to use the special devices such as welding.In order to improve above-mentioned situation, for example patent documentation 1 discloses a kind of method, it is at the splicing ear place consisting of aluminium conductor, utilizes ultrasonic bonding in advance and engages other metal materials beyond the aluminium such as nickel foil, thereby form the splicing ear that can carry out solder connection.
Patent documentation 1: TOHKEMY 2005-317315 communique
Summary of the invention
The aluminium pole ears that nonaqueous electrolyte equipment is used is directly connected with battery lead plate lead-in wire in nonaqueous electrolyte equipment, only needs to make to be exposed to outside part and can carry out solder connection.Therefore, require the only local external connecting office that is arranged on aluminium pole ears of the metal material that can solder connects.In the case, in aluminium pole ears is encapsulated in to nonaqueous electrolyte equipment after, carry out on aluminium pole ears the local metal material can solder connecting that arranges.Therefore, because the arranging of metal material can solder connecting need to be carried out respectively for each aluminium pole ears, so workability is poor.
The present invention is exactly In view of the foregoing and proposes, and its object is to provide a kind of hoop shape parts, and it is only by supplied with banded aluminium conductor is cut off at assigned position place, just can obtain being provided with the aluminium pole ears of metal material that can solder connection.
Hoop-shaped part for aluminum tab involved in the present invention is characterised in that, on the surface of the banded strap being formed by aluminum or aluminum alloy, across predetermined distance, form partly the metal level being formed by the conductive metal that is easy to solder, between described metal level, from the two sides of described strap, be pasted with insulating resin film.
As described conductive metal, can use the combination of any one or they in Ni, Sn, Au, Zn, Ag, Cu.In addition, the thickness of preferred metal layers is less than or equal to 0.5mm, can utilize any one formation in local plating, cold spraying, cold weld.
The effect of invention
According to hoop shape parts involved in the present invention, by binding round shape parts, at assigned position place, cut off, thereby can obtain the aluminium pole ears can solder connecting, the processing without each aluminium pole ears being formed separately to metal level that can solder connection, can improve workability.
Accompanying drawing explanation
Fig. 1 is the figure of the summary of explanation hoop-shaped part for aluminum tab involved in the present invention.
Fig. 2 means the figure of an example of the nonaqueous electrolyte equipment that uses aluminium pole ears.
Fig. 3 means the local figure that forms the example of the metal level that is easy to solder.
Fig. 4 means the figure of the evaluation result of the solderability that utilizes the metal level that the method for Fig. 3 forms.
Embodiment
With reference to the accompanying drawings, embodiments of the present invention are described.Fig. 1 (A) is the figure of the intermediate member of hoop shape parts used in the present invention, and Fig. 1 (B) means the figure of an example of hoop-shaped part for aluminum tab involved in the present invention, and Fig. 1 (C) means the figure of an example of lug.
As shown in Fig. 1 (A), ferrule shape parts 10 formations as described below used in the present invention, that is, and in the one or two sides of the banded strap 11 being formed by aluminium, across predetermined distance, form partly the metal level 12 that is easy to solder, and be wound as hoop shape.As metal level 12, the alloy of use Ni, Sn, Au, Zn, Ag, Cu or above-mentioned metal has like this conductivity and is easy to the metal of solder.Formation method for these metal levels 12 is described in the back.
Fig. 1 (B) is hoop shape parts 10 ' of the present invention, and it is configured to, bonding for being encapsulated in the insulating resin film 6 of battery exterior body on the ferrule shape parts 10 of Fig. 1 (A), and then is wound as hoop shape.Insulating resin film 6 sticks on the two sides of strap 11, forms that to take this insulating resin film 6 be boundary, and a side has the form that metal level 12, opposite side expose aluminium conductor.
Fig. 1 (C) illustrates by above-mentioned hoop shape parts 10 ' are cut to the independently lead member 3 forming at dashdotted cutting position K place.In addition, cutting position K forms, and when the boundary of metal level 12 cuts, metal level 12 can not remain in (not can across to) another lug component side.This lead member 3 is encapsulated in nonaqueous electrolyte equipment with following state, this state is, two sides at the pars intermedia of the leading-in conductor 5 of flat pattern is pasted insulating resin film 6 and is formed encapsulation, on the end that is exposed to outside this side, has the solder connecting portion 7 being formed by the metal material that is easy to solder.
Fig. 2 (A) illustrates lug 3 examples for nonaqueous electrolyte batteries such as lithium ion batteries shown in Fig. 1 (C), and Fig. 2 (B) means the figure of the encapsulation example of lug.
In addition,, in nonaqueous electrolyte battery 1, on the conductor of the lug 3 of side of the positive electrode, apply high potential.Thus, the conductor of the lug of side of the positive electrode is formed by the aluminium or its alloy that are not dissolved in electrolyte under high potential.The lug 4 of negative side is used the copper of nickel plating mostly.But in double charge layer capacitor, the conductor of the lug of side of the positive electrode and negative side is all used aluminium.
Nonaqueous electrolyte battery 1 is configured to, to across the stacked positive plate of dividing plate and negative plate and electrolyte, be housed in by comprising in the exterior body 2 that metal forming forms at interior plural layers, as shown in Fig. 2 (A), the lug 3 of side of the positive electrode and the lug 4 of negative side are drawn from exterior body 2 after being sealed by the mouth-sealed portion 2d of exterior body 2 via insulating resin film 6.
Exterior body 2 forms the external shell of nonaqueous electrolyte battery 1, by for example utilizing thermal welding to seal the mouth-sealed portion 2d of 2 pieces of plural layers peripheries of rectangular shape, thereby carries out the sealing of exterior body 2.Lug 3,4 utilizes thermal welding in advance and engages with insulating resin film 6.The plural layers of this insulating resin film 6 and exterior body 2 are thermally welded, thus lug 3,4 is hermetically sealed.
The lug 3 of side of the positive electrode, as shown in Fig. 1 (C), forms in the following manner, that is, aluminium conductor is cut into rectangle and forms flat leading-in conductor 5, and the part of drawing from exterior body 2 on the two sides of this leading-in conductor, pastes 2 pieces of insulating resin film 6.And, be exposed to the part in exterior body 2 outsides, form with outside between the part place that is electrically connected to, take in the side end side that insulating resin film 6 is boundary, there is the solder connecting portion 7 being formed by the metal level can solder connecting.The end side side that the insulating resin film 6 of take is boundary is aluminium conductor, is connected with the battery lead plate lead-in wire 8 in battery.In addition the metal level that, forms this solder connecting portion 7 also can form part and be insulated the state that resin film 6 covers.
Insulating resin film 6, can be by the la m 6a of or welding bonding with leading-in conductor 5 and outside layer 6b this two-layer form deposited with exterior body 2 for example shown in Fig. 2 (B).La m 6a combines closely with leading-in conductor 5 by heating and melting in advance, and conductor is sealed.Outside layer 6b is used than the higher material of la m 6a fusing point, carry out and leading-in conductor 5 between sealing time keep shape invariance.In addition, when sealing with exterior body 2, by making outside layer 6b and exterior body 2 deposited, thereby can make metal forming 2b and leading-in conductor 5 in exterior body 2 can not produce electric short circuit.
The plural layers of formation exterior body 2 consist of the duplexer of at least 3 layers, film 2a for its innermost layer, as being insoluble to electrolyte and being suitable for preventing spilling from mouth-sealed portion 2d the material of electrolyte, use vistanex (for example: maleic anhydride modified low density polyethylene (LDPE) or polypropylene).Metal foil layer 2b is used the metal formings such as aluminium, copper, stainless steel, improves the sealing for electrolyte.Outermost layer film 2c is the parts for the protection of thinner metal foil layer 2b, by polyethylene terephthalate (PET) etc., is formed.
Above-mentioned nonaqueous electrolyte battery 1 is for example when reality is used; sometimes protect the protective circuit substrate 9 of battery to be connected with the control of carrying out the supervision of battery temperature and discharging and recharging and integrated, or use after lug 4 connected in electrical series of the lug of the side of the positive electrode of a plurality of batteries 3 and negative side are connected.In these cases, in the situation that using common aluminium pole ears, cannot carry out solder connection.But, as shown in Figure 2, by use, there is the aluminium pole ears 3 of solder connecting portion 7 that can solder, thereby can utilize solder to be connected with the conductive pattern 9a of protective circuit substrate 9, can easily assemble.
Fig. 3 means on aluminium conductor the figure of example of the method for the metal level 12 that the local Fig. 1 of formation is illustrated, Fig. 3 (A) means the figure of the example of utilization " local plating method ", Fig. 3 (B) means the figure of the example of utilization " cold spraying method ", and Fig. 3 (C) means the figure of the example of utilization " connection of colding pressing ".
" a plating method " shown in Fig. 3 (A) is an example of local plating, the method is, utilize pen or sponge in anode-side, to keep the electrolyte that contains coating metal ion, using plating object as negative electrode, a part for plating object is implemented to local plating.The pen of the anode that makes to contain electrolyte moves in the mode applying to plating object, in regulation region, is formed uniformly coating.This plating method has device can miniaturization, without the advantage such as mask, required electrolyte be less.
When manufacturing ferrule shape parts 10, as shown in Fig. 3 (A), from winding roller 13, extract in turn the banded strap 11 being formed by aluminium out.In the surperficial specified part office of this strap 11, utilize the plating solution 16 of pen plating anode 15 coating Ni, Sn, Au, Zn, Ag etc., the opposition side of strap 11 is that the back side and cathode roll 17 electrically contact.In pen plating anode 15, in a portion, immerse and keep the plating solution 16 of electrolytic bath, and on pen plating anode 15, apply DC power supply+current potential, on cathode roll 17, apply-current potential, thereby so that the mode that thickness of coating is 0.05 μ m～50 μ m degree is implemented pen plating.
Local formation after metal level 12 utilizing this plating to process, pen is plated to anode 15 to be separated from the state contacting with strap 11, make strap 11 move ormal weight, then, the surface of the reposition of strap 11 is carried out to pen plating in the same manner, across predetermined distance, form partly metal level 12.In addition, preferably, before banded strap 11 is implemented to pen plating, in advance conductive surface is carried out the preliminary treatment such as blasting treatment, electrolytic degreasing, washing.In addition, after implementing pen plating, the subsequent treatment such as also need to wash, be dried.The banded strap 11 that is formed with metal level 12 is wound roller 14 and reels, and forms ferrule shape parts 10.
" cold spraying method " shown in Fig. 3 (B) is with at a high speed to the surface spraying of object and the method for film forming by material powder.The method is a kind of in spraying plating, but it is characterized in that temperature is that the lower temperature of fusing point softening point and the flow velocity of spraying that is less than or equal to material powder is greater than velocity of sound, owing to can not making raw materials melt as spraying plating, so there is the oxidation of can forming and the less film of heat ageing in air.
When manufacturing ferrule shape parts 10, with the example of Fig. 3 (A) in the same manner, from winding roller 13, extract in turn the banded strap 11 being formed by aluminium out.In the surperficial regulation location of this strap 11, utilize spray gun 19 spray metal powder and it is piled up, thereby form metal level 12.In addition, preferably on banded strap 11, before deposit powder, in advance conductive surface is carried out to blasting treatment.
From gas supply part 22 via gas-heated portion 21, with for example pressure 0.6MPa, gas flow 0.4mm
3/ minute to spray gun 19, send into the gases such as helium, nitrogen, air.In gas-heated portion 21, utilizing gas-heated control part 23 that the gas-heated of sending is controlled is set point of temperature (for example 500 ℃ of left and right).In addition, supply with the metal dusts such as Ni, Cu from powder feeding portion 20 to spray gun 19, for example, utilize the metal powder of the amount that said flow divides 20g/ to the surface spraying of strap 11, thereby form the metal level 12 that thickness is less than or equal to 0.5mm.
Pressed gas and metal dust local the formation after metal level 12 on the surface of strap 11 of in utilization, sending into spray gun 19, temporarily stop the spraying of spray gun 19, and banded strap 11 is moved to ormal weight.Then, the surface for the reposition of strap 11, utilizes spray gun 19 spray metal powder, across predetermined distance, forms partly metal level 12.In addition, the banded strap 11 that is formed with metal level 12 is wound roller 14 and reels, and forms ferrule shape parts 10.
" connection of colding pressing " shown in Fig. 3 (C) is the method for metal parts being carried out engaging between atom each other (crimping) by applying compared with large pressure to the composition surface of metal parts at normal temperatures.Conventionally, the metal parts engaging as crimping each other, usings the material that is ductile as object, makes the composition surface local plastic deformation of metal material and carry out crimping under room temperature state.Due in this crimping, do not apply electricity or heat completely, so have following advantage, that is, material behavior does not change, the hot strength that obtains connecting portion is the performance identical or more excellent with metal parts also.
When manufacturing ferrule shape parts 10, with the example of Fig. 3 (A), (B) in the same manner, from winding roller 13, extract in turn the banded strap 11 being formed by aluminium out.In the face side of this strap 11, mounting is used to form the metal sheet 12 ' of metal level 12, and configures the crimping drift 24 that metal sheet 12 ' is pressed, at the rear side configuration crimping punch die 25 of strap 11.By apply larger pressing force between crimping drift 24 and crimping punch die 25, thereby the surface of strap 11 is engaged with the metal sheets such as Ni 12 ' of thickness 0.2mm left and right, form metal level 12.In addition, preferably on the press surface of crimping drift 24, for example, plane plasticity distortion concavo-convex that makes metal sheet 12 ' is set.
By utilizing crimping drift 24 and crimping punch die 25 that metal sheet 12 ' is engaged with strap 11, thus on the surface of banded strap 11 local formation after metal level 12, banded strap 11 is moved to ormal weight.Then, the surface for the reposition of strap 11, utilizes crimping drift 24 and crimping punch die 25, across predetermined distance, forms partly metal level 12.In addition, the banded strap 11 that is formed with metal level 12 is wound roller 14 and reels, and forms ferrule shape parts 10.
On the surface of the banded strap 11 consisting of aluminium (one or two sides), the upper metal level 12 forming partly across predetermined distance is as noted above, uses such as Ni, Sn, Au, Zn, Ag, Cu etc. to be easy to the conductive metal of solder.In addition, in order to improve the solderability for metal level 12, preferably banded strap 11 is carried out to blasting treatment in advance.
Fig. 4 means utilizing the figure of the result that the solderability of the metal level that above-mentioned the whole bag of tricks forms on the surface of aluminium conductor evaluates.In local plating method, Ni, Sn, Au, Zn, Ag formed to the metal level in the scope of thickness 0.0005mm～0.001mm and make sample 1～5, in cold spraying method, Ni, Cu formed to the metal level in the scope of thickness 0.05mm～0.1mm and make sample 6,7, in the connection of colding pressing, Ni is formed to the metal level of thickness 0.1mm and makes sample 8.
In addition, local plating be grind → wash → order of electrolytic degreasing → washing → plating → washing → dry implements.In cold spraying, powder feeding amount is that 20g/ divides, and air pressure is 0.6MPa, and air capacity is 0.4mm
3/ minute.In cold weld, the thickness of Ni plate is 0.2mm, and load load is 2 tons.
The evaluation method of solderability is as shown in Fig. 4 (B), and specimen length is 20mm, in order to reduce the impact of oxidized coat and after in being immersed in solder flux (flux), to be vertically immersed in the bath of the soft solder that the component by Sn-Ag-Cu forms.In soft solder melt temperature, it is 270 ± 3 ℃, and make to the dipping in soft solder bath with the end with sample after the mode of 3mm, dip time 3 seconds, impregnating speed 1.75～2mm/ second is flooded, if starting to infiltrate from dipping position, soft solder launches, think that solderability is good, mark " zero ".Its result, as shown in Fig. 4 (A), the solderability of any one sample is all good.
Claims (3)
1. a hoop-shaped part for aluminum tab, is characterized in that,
On the surface of the banded strap being formed by aluminum or aluminum alloy, across predetermined distance, form partly the metal level being formed by the conductive metal that is easy to solder, between described metal level, from the two sides of described strap, be pasted with insulating resin film, and, take described insulating resin film as boundary, a side has described metal level, opposite side exposes described strap
Described insulating resin film by the la m of or welding bonding with described strap and with exterior body deposited and fusing point than this two-layer formation of the outside layer of described inner side floor height,
The thickness of described metal level is less than or equal to 0.5mm.
2. hoop-shaped part for aluminum tab according to claim 1, is characterized in that,
Described conductive metal is the combination of any one or they in Ni, Sn, Au, Zn, Ag, Cu.
3. hoop-shaped part for aluminum tab according to claim 1 and 2, is characterized in that,
Described metal level is to utilize any one method in local plating, cold spraying, cold weld to form.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-135801 | 2010-06-15 | ||
| JP2010135801A JP5549996B2 (en) | 2010-06-15 | 2010-06-15 | Hoop-like member for aluminum tab lead |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102290552A CN102290552A (en) | 2011-12-21 |
| CN102290552B true CN102290552B (en) | 2014-12-10 |
Family
ID=45336776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110166028.9A Active CN102290552B (en) | 2010-06-15 | 2011-06-15 | Hoop-shaped part for aluminum tab |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5549996B2 (en) |
| CN (1) | CN102290552B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102779970B (en) * | 2012-08-14 | 2015-06-17 | 厦门太和动力电源科技有限公司 | Pole ear output connector for multi-layer positive-negative pole of high ratio power poly-lithium battery |
| JP6405856B2 (en) * | 2014-10-01 | 2018-10-17 | 住友電気工業株式会社 | Lead member and lead member manufacturing method |
| JP6487716B2 (en) * | 2015-02-26 | 2019-03-20 | 株式会社フジクラ | Power storage device and power storage module |
| JP6583985B2 (en) * | 2015-03-05 | 2019-10-02 | 藤森工業株式会社 | Method for manufacturing electrode lead wire member and electrode lead wire member |
| JP6472323B2 (en) * | 2015-05-18 | 2019-02-20 | タツタ電線株式会社 | Deposition method |
| WO2017035835A1 (en) * | 2015-09-06 | 2017-03-09 | 住友电气工业株式会社 | Lead component and strip-coil-shaped component |
| JP6454262B2 (en) | 2015-12-24 | 2019-01-16 | タツタ電線株式会社 | Solder connection structure and film forming method |
| JP6752179B2 (en) | 2017-06-08 | 2020-09-09 | タツタ電線株式会社 | Coating material and cold spray method |
| US20190020000A1 (en) * | 2017-07-11 | 2019-01-17 | Apple Inc. | Battery cell tabs with a unitary seal |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02262240A (en) * | 1989-03-31 | 1990-10-25 | Matsushita Electric Ind Co Ltd | Manufacture of battery having terminal |
| JP3494558B2 (en) * | 1997-08-26 | 2004-02-09 | 東芝電池株式会社 | Battery |
| JP4491843B2 (en) * | 1998-02-24 | 2010-06-30 | ソニー株式会社 | Lithium ion secondary battery and method of sealing a lithium ion secondary battery container |
| JP4485614B2 (en) * | 1999-03-31 | 2010-06-23 | パナソニック株式会社 | Non-aqueous electrolyte battery and manufacturing method thereof |
| JP2001297749A (en) * | 2000-04-10 | 2001-10-26 | Kyoritsu Kagaku Sangyo Kk | Lead wire member for sheet battery, material for manufacturing lead wire member and manufacturing method of material for manufacturing lead wire member |
| JP2005317315A (en) * | 2004-04-28 | 2005-11-10 | Pionics Co Ltd | Positive electrode terminal for lithium secondary battery |
| JP2008218196A (en) * | 2007-03-05 | 2008-09-18 | Sony Corp | Nonaqueous electrolyte secondary battery, and manufacturing method of same |
| JP5593628B2 (en) * | 2008-09-30 | 2014-09-24 | 大日本印刷株式会社 | Battery tab manufacturing method, battery tab, and hoop material including the same |
-
2010
- 2010-06-15 JP JP2010135801A patent/JP5549996B2/en active Active
-
2011
- 2011-06-15 CN CN201110166028.9A patent/CN102290552B/en active Active
Non-Patent Citations (1)
| Title |
|---|
| JP特开2005-317315A 2005.11.10 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5549996B2 (en) | 2014-07-16 |
| JP2012003877A (en) | 2012-01-05 |
| CN102290552A (en) | 2011-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102290552B (en) | Hoop-shaped part for aluminum tab | |
| US11043722B2 (en) | Flexible rechargeable battery | |
| CN101971407B (en) | Solid-state battery manufacturing method and solid state battery | |
| CN101032043B (en) | Lead wire for non-aqueous electrolyte battery, and non-aqueous electrolyte battery | |
| JPH09288996A (en) | Nonaqueous electrolyte battery | |
| CN100517801C (en) | Battery can and battery using the can and method of fabricating the can | |
| JP7012251B2 (en) | Batteries and battery manufacturing methods | |
| CN110326148A (en) | Secondary cell and its manufacturing method | |
| KR20200012591A (en) | Current collector for electrodes | |
| JP6266387B2 (en) | Substrate unit, electrochemical cell unit, and electrochemical cell unit manufacturing method | |
| KR100871917B1 (en) | A positive tab with a good solder ability and a good corrosion-resistance to salt water for a secondary battery and the fabrication method thereof, and a secondary battery and a secondary battery module using the same | |
| JP6794107B2 (en) | Connection method in the storage battery and the storage battery connected by that method | |
| JP6162828B2 (en) | Electrochemical cell package and electrochemical cell | |
| CN110661029A (en) | Lithium ion battery welding lug structure and welding method thereof | |
| CN204257745U (en) | Lug lead-in wire and electric energy storage device | |
| US20230049098A1 (en) | Secondary battery | |
| CN110495045B (en) | Secondary battery and method for manufacturing same | |
| CN202817068U (en) | Lead component | |
| WO2021230206A1 (en) | Secondary battery | |
| JP7399543B2 (en) | Electrode lead manufacturing method and pressurizing machine | |
| WO2021149644A1 (en) | Secondary battery and manufacturing method for same | |
| JP2010186690A (en) | Button type electrochemical cell for surface mounting | |
| CN210015920U (en) | Lithium ion battery welding lug structure | |
| JPH1186807A (en) | Nonaqueous electrolyte battery | |
| JP2010267984A (en) | Electrochemical cell and method of manufacturing the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |