WO2000039861A1 - Plaque metallique plaquee pour boitier de pile, boitier de pile, et pile utilisant ledit boitier - Google Patents

Plaque metallique plaquee pour boitier de pile, boitier de pile, et pile utilisant ledit boitier Download PDF

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Publication number
WO2000039861A1
WO2000039861A1 PCT/JP1999/007267 JP9907267W WO0039861A1 WO 2000039861 A1 WO2000039861 A1 WO 2000039861A1 JP 9907267 W JP9907267 W JP 9907267W WO 0039861 A1 WO0039861 A1 WO 0039861A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery case
metal plate
clad
battery
nickel
Prior art date
Application number
PCT/JP1999/007267
Other languages
English (en)
Japanese (ja)
Inventor
Kazuo Yoshida
Kinji Saijo
Shinji Ohsawa
Original Assignee
Toyo Kohan Co., Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toyo Kohan Co., Ltd. filed Critical Toyo Kohan Co., Ltd.
Priority to AU18898/00A priority Critical patent/AU1889800A/en
Publication of WO2000039861A1 publication Critical patent/WO2000039861A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/552—Terminals characterised by their shape
    • H01M50/559—Terminals adapted for cells having curved cross-section, e.g. round, elliptic or button cells
    • H01M50/56—Cup shaped terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
    • H01M50/126—Primary casings; Jackets or wrappings characterised by the material having a layered structure comprising three or more layers
    • H01M50/128—Primary casings; Jackets or wrappings characterised by the material having a layered structure comprising three or more layers with two or more layers of only inorganic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/117—Inorganic material
    • H01M50/119—Metals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
    • H01M50/1243—Primary casings; Jackets or wrappings characterised by the material having a layered structure characterised by the internal coating on the casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
    • H01M50/133—Thickness
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
    • H01M50/134—Hardness
    • 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

Definitions

  • the present invention relates to a clad metal plate for a battery case prepared by using the surface activation method, a battery case using the same, and a battery using the battery case.
  • a stainless steel / aluminum clad plate Japanese Patent Application Laid-Open No. H10-20887 was used in view of battery characteristics, corrosion resistance and mechanical strength. No. 10, JP-A-5-174873 and JP-A-5-174873 are used. These clad plates are usually made using the cold rolling method, and because of their large work hardening and poor workability, it is difficult to perform strong forming such as deep drawing. It is limited to the application of a battery case.
  • lithium ion secondary batteries have also been required to have cylindrical shapes, like conventional manganese dry batteries, and have excellent battery characteristics, corrosion resistance, and mechanical strength, and can be formed into a bottomed cylindrical shape.
  • a clad metal plate having excellent workability.
  • the present invention provides a clad metal plate for a battery case, which is excellent in corrosion resistance and mechanical strength, and excellent in workability that can be formed into a bottomed cylindrical shape, produced by a surface activation method, and using the same.
  • An object of the present invention is to provide a battery case and a battery using the battery case that does not cause liquid leakage. Disclosure of the invention
  • the clad metal plate for a battery case according to claim 1 of the present invention is formed by bonding an aluminum foil having a thickness of 10 to 50 m to at least one surface of a nickel-plated steel plate by using a surface activation method. It is characterized by.
  • the clad metal plate according to claim 2 is characterized in that at least one surface of a nickel-plated steel plate is joined with a copper foil by using an interface activation method.
  • the clad metal plate according to claim 3 is characterized in that the thickness of the copper foil is 10 to 50 / m.
  • the clad metal sheet according to claim 4 is characterized in that the nickel-plated steel sheet has a nickel plating thickness of 1 to 10 m.
  • the clad metal plate according to claim 5 is characterized in that the steel plate has a hardness of Vickers hardness ( ⁇ ) 400 or less.
  • the clad metal plate according to claim 6 is characterized in that the thickness of the steel plate is 30 to 100 im.
  • the bottomed cylindrical battery case according to claim 7 is characterized in that the clad metal plate for the battery case is manufactured by a drawing method.
  • the cylindrical battery case with a bottom according to claim 8 is characterized in that the clad metal plate for the battery case is manufactured by using a DI working method.
  • a cylindrical battery case with a bottom according to claim 9 is characterized in that the clad metal plate for the battery case is manufactured by using a DTR processing method.
  • the cylindrical battery case with a bottom according to claim 10 is characterized in that the clad metal plate for the battery case is manufactured by a DTR working method and an ironing method.
  • the battery according to claim 11 is characterized by being manufactured using the battery case.
  • FIG. 1 is a schematic view showing an example of an apparatus for manufacturing a clad metal plate for a battery case according to the present invention. It is. BEST MODE FOR CARRYING OUT THE INVENTION
  • a cold-rolled steel sheet of ordinary steel particularly one based on a low-carbon aluminum-killed steel continuous material is used.
  • It steel can also be used. These steel sheets are used after being cold-rolled and annealed or after annealing and further subjected to temper rolling, and preferably have a thickness of 30 to 100 zm. If the thickness is less than 30 m, the aluminum foil / copper foil will be clad, drawn, etc., and formed into a bottomed cylindrical battery case. Is more than 100 m, the strength is sufficient, but steel is used.
  • the above steel sheet is plated with nickel to secure sufficient corrosion resistance after forming into a battery case.
  • a plating bath used for ordinary nickel plating such as a watt bath, a sulfamic acid bath, a borofluoride bath, and a chloride bath, can be used.
  • Nigel plating methods electroplating and electroless plating.
  • Electroless plating is also applicable to the present invention, but bath management and plating thickness control are easy. It is preferable to perform plating using an electroplating method.
  • the nickel plating described above can be used for matte plating without using an organic additive, and for semi-glossy plating or glossy plating using an organic additive lf.
  • the thickness of the nickel plating layer is preferably 1 to 10 m. Plating thickness If it is less than 1 m, the coating of the base of the steel sheet after forming into a battery case becomes insufficient, and sufficient corrosion resistance cannot be secured. On the other hand, if the plating thickness exceeds 10 m, the base of the steel sheet is sufficiently covered, and any further increase in the plating thickness is not economically advantageous and is not preferable.
  • This nickel plating layer may be formed on both sides of the steel sheet I), or may be formed only on one side without cladding aluminum foil / copper foil.
  • the nickel plating layer may be left attached, but after plating, heat treatment is performed to form a diffusion layer in which all or part of the nickel plating layer is diffused into the steel sheet.
  • I C is also good. By forming this diffusion layer, it is possible to prevent the nickel plating layer from peeling off from the steel sheet base when DI processing or DTR processing and ironing are performed.
  • the above heat treatment is performed in an atmosphere of a non-oxidizing or reducing protective gas in order to prevent formation of an oxide film on the surface of the diffusion layer.
  • a non-oxidizing gas nitrogen,
  • the box annealing method and the continuous annealing method can be applied as the heat treatment method.
  • the heat treatment temperature is preferably 450 ° C. or higher.
  • the heat treatment time is about 6 to 15 hours for box annealing and about 30 seconds to 2 minutes for continuous annealing.
  • an aluminum foil or a copper foil is used from the viewpoint of corrosion resistance to an electrolyte and a reduction in interface resistance.
  • These metal foils preferably have a thickness of 10 to 50 m. If the thickness is less than 10 m, the rigidity is poor, wrinkles are generated during the cladding work, and the wrinkled portions are folded and overlapped to generate a defective portion, which is not preferable. On the other hand, if the thickness exceeds 50, the amount of metal constituting the metal foil increases, which is not economically advantageous, Not preferred.
  • the above-mentioned nickel-plated steel sheet and aluminum foil or copper foil are cold-welded using a surface activation method by, for example, a method disclosed in Japanese Patent Application Laid-Open No. 1-224184 to form a T clad plate. . That is, nickel using the apparatus shown in FIG. 1, which is unwound from the exhaust pump 9 by 1 0 one 3 ⁇ 1 0- 6 Torr stand unwinding reel 3 provided in the vacuum chamber 1 held at a vacuum of a
  • the metal foil 20 B which is an aluminum foil or a copper foil that is unwound from the plated steel sheet 2 OA and the rewind reel 3, is partially formed of electrode rolls 6 A and 6 protruding into the etching chamber 22.
  • a high-frequency power supply having a frequency of 10 to 5 MHz is used by using a magnet li-l-pass method.
  • the frequency is less than 1 OMHz, it is difficult to maintain a stable glow discharge, so that the etching cannot be continuously performed.
  • the frequency exceeds 5 OMHz, oscillation tends to occur, and the power supply system becomes complicated, which is not preferable.
  • Ettsuchingu started, after prestores etching chamber 2 within 2 to 1 X 1 0 _ 4 Torr or less degree of vacuum by the exhaust pump 2 v 5, argon gas was introduced 1 0- 1 ⁇ 1 0- 4 Torr When the above high frequency is applied between the vacuum chamber 1 and the vacuum chamber 1, the plasma is generated in the chamber, and the surfaces of the nickel-plated steel sheet 2OA and the metal foil 20B are etched.
  • the argon gas pressure of the etching chamber 2 within 2> is in the range of 1 0- 1 ⁇ 1 0- 4 Torr .
  • the magnetron sputtering method used for manufacturing the clad plate 19 of the present invention since an etching rate of 100 ⁇ or more can be obtained, even a stable and thick oxide film such as an aluminum oxide film can be completely etched by several minutes. It is possible to completely remove steel etc. by etching for about several seconds, and obtain a clean surface IC.
  • the upper limit of the heating may be heating within a range that does not cause recrystallization annealing for lowering the bonding strength or formation of an alloy layer, 0 or carbide, and is preferably 300 ° C. or lower.
  • the rolling reduction when cold-welding the nickel-plated steel sheet 2OA and the metal foil 20B is preferably in the range of 0.1 to 30%.
  • the surface activation treatment of the nickel-plated steel plate 2OA and the metal foil 20B no new irregularities are formed on the metal surface, and the surface is flattened at the time of finish rolling before pressure welding.
  • the contact can be maintained at lf while maintaining the degree of contact, so that a large contact area can be obtained even with a small pressing force, and the contact part is securely metal-bonded, so a strong joint can be obtained even at a rolling rate as low as 0.1%. Is You.
  • the upper limit of the rolling reduction is set to 30% because cold welding and finish rolling or temper rolling may be performed in one rolling step. If cold pressing is performed at a rolling reduction of 30% or more, work hardening of the clad plate 19 becomes remarkable, which is not preferable.
  • the hardness of the clad plate prepared as described above is preferably not more than ⁇ 400 in Vickers hardness (Hv). If the hardness exceeds Hv400, the body of the cylindrical body breaks when aluminum foil ⁇ copper foil is clad and then subjected to strong processing such as DI processing, DTR processing, and ironing processing, forming Processing becomes impossible.
  • the hardness of the clad plate is measured by bringing an indenter into contact with the exposed nickel plated surface.
  • the battery case clad plate obtained as described above is formed into a battery case.
  • Forming is drawing, DI processing (drawing and ironing: drawing and ironing), DTR processing (drawing thin and redrawing: thinning deep drawing), DTR processing + ironing (final of DTR processing) It is preferable to use an ironing process in the process.
  • DI processing drawing and ironing: drawing and ironing
  • DTR processing drawing thin and redrawing: thinning deep drawing
  • DTR processing + ironing final of DTR processing
  • DI processing punch the clad plate into a blank and draw it into a shallow nip with a larger diameter and a smaller height than the target battery case.
  • This shallow force is sequentially drawn and supplied to a plurality of dies arranged in multiple stages on the same axis so that the ironing diameter becomes smaller.
  • the ironing diameter at the last stage is supplied to the ironing die corresponding to the outer diameter of the battery case.
  • it is pressurized with a punch having a rounded shoulder at the end, and continuously passed without causing constriction, and formed into a battery case having a diameter and height to be aimed at.
  • DTR processing and ironing processing are the same as DI processing.
  • the clad plate is punched into a blank and drawn into a shallow cup with a diameter that is larger and smaller than the target battery case.
  • this drawing cup is formed by redrawing and simultaneous bending and stretching to form a high redrawing force with a small diameter at the first shallow force and a thinner side wall. . This process is repeated several times, and the cup is made smaller and thinner to increase the height of the cup.
  • the ironing diameter is then supplied to an ironing die corresponding to the outer diameter of the battery case, and ironing is performed.
  • the inner and outer surfaces are smoothed and formed into a battery case having the desired diameter and height. In the evaluation of workability shown in Table 1, the case where the body part was broken during DI processing or DTR processing was judged to be bad, and the case where there was no break was judged to be good.
  • a positive electrode active material L of ICo0 2 powder and the current collector a binder Toka Ranaru cathode mix comprising a solvent and kneaded slurry such as N _ methylpyrrolidone etc. a strip-shaped aluminum foil, such as polyvinylidene fluoride resin Apply to both sides, dry and pressurize to form positive electrode plate.
  • a current collector consisting of a strip of copper foil and a slurry obtained by kneading a mixture consisting of a solvent such as styrene butadiene rubber and a binder capable of absorbing and releasing lithium ions and a solvent such as N-methylpyrrolidone.
  • an organic solvent such as c b propylene carbonate obtained by dissolving a solute such as an inorganic lithium salt such as L i C10 4 as the electrolyte the battery case by connecting a lead line connected to the negative electrode plate in the plane battery case
  • the negative electrode terminal, the lead wire connected to the positive electrode plate is connected to the back side of the metal lid to be applied via the insulating plate and the annular packing, and the positive terminal is used.
  • the upper end of the battery case is connected via the insulating plate and the annular packing. Close and seal to form a sealed lithium ion secondary battery.
  • the plating thickness was adjusted by the energizing time.
  • the nickel-plated steel sheet was subjected to thermal diffusion treatment at 550 ° C for 8 hours in an atmosphere of 94% nitrogen and 6% hydrogen.
  • the thickness of the nickel-iron diffusion layer after the treatment was measured by green discharge emission spectroscopy, and it was confirmed that the thickness was 0.5 to 5 m.
  • temper rolling was performed. The above ni Some of the Kel-plated steel sheets were clad with aluminum foil in the next step without thermal diffusion treatment.
  • the Al Miniumu foil thickness shown in Table 1 was inserted into a vacuum chamber, using a magnetic ir Toronsupa' evening method at 1 X 1 0- 2 Torr argon gas Then, one side of the nickel-plated steel sheet and one side of the aluminum foil were etched by about 500 angstroms, and then cold-rolled at room temperature at a rolling reduction of about 0.5% so that the surfaces to be etched overlapped each other. A clad plate was created. In sample No. 5 shown in Table 1, the A1 foil was as thin as 5 m, so the foil was wrinkled during lamination, and a normal clad plate could not be obtained.
  • the thickness of the copper foil shown in Table 1 was inserted into a vacuum chamber, 2 X 1 0- 3 Torr in an argon gas magnetron Nsupa' evening Method, one side of the nickel-plated steel sheet and one side of the copper foil are etched by about 500 angstroms, and then cold-rolled at room temperature with a rolling ratio of about 0.3% so that the surfaces to be etched overlap each other. Then, a clad plate was created.
  • the aluminum foil clad nickel-plated steel sheet and the copper foil clad nickel-plated steel sheet obtained as described above were measured for Vickers hardness ( ⁇ ⁇ ) by bringing an indenter into contact with the nickel-plated steel sheet. Table 1 shows the results.
  • the clad plate shown in Table 1 was formed into a battery case by DI processing.
  • a blank punched into a circular shape with a diameter of 4 D 1 mm was drawn into a 20.5 mm diameter cup with the aluminum or copper foil on the inside, then redrawn with a DI molding machine and a two-step process. Ironing was performed, and it was formed into a cylindrical can with an outer diameter of 13.8 mm and a height of 56 mm. After that, the upper end was trimmed to create a 49.3 mm high LR-6 battery case.
  • Table 1 shows the formability of the clad plate by this DI processing. ⁇ The workability was evaluated as 1 when the body was broken during processing, 2 when the body buckled when inserting the electrodes etc. into the battery case and caulking the lid, and the battery can be processed normally. Case 3 And each was evaluated.
  • the clad plate of Example 12 shown in Table 1 was formed into a battery case by drawing and pressing.
  • the blank punched into a circle is Y-shaped so that the aluminum foil is on the inside, subjected to eight steps of drawing and several times of re-drawing, and the cup is guided to an ironing die having an inner diameter of 13.8 mm and guided by a punch. It was pressed and formed into a cylindrical can with an outer diameter of 13.8 mm and a height of 52 mm. After that, the upper end was trimmed to make a 49.3 mm high LR_6 type battery case.
  • Example 13 The clad plate of Example 13 shown in Table 1 was formed into a battery case by DTR and ironing. A blank punched out into a circle with a diameter of 58 mm is subjected to drawing and bending and stretching at the same time as drawing and re-drawing several times with the aluminum foil inside, and then an inner diameter of 13.8 mm Guide the cup to an ironing die with a punch and press it with a punch to form a cylindrical can with an outer diameter of 13.8 mm and a height of 52 mm.
  • a slurry obtained by kneading LiC02 powder and polyvinylidene fluoride resin with N-methylpyrrolidone is applied to the battery case obtained as described above on both sides of a belt-shaped current collector made of aluminum foil, and dried and pressed.
  • a positive electrode plate was used.
  • a slurry obtained by kneading carbon powder and styrene butadiene rubber with N-methylpyrrolidone was applied to both sides of a strip-shaped current collector made of copper foil or the like, and dried and pressed to form a negative electrode plate.
  • a positive electrode plate and a negative electrode plate were wound and laminated via a strip-shaped separator made of a microporous polypropylene film, so that the outermost peripheral surface was wound by the separator to form a cylindrical unit cell.
  • the unit cell was inserted into the battery case, using a solution of the Li C10 4 in propylene carbonate as an electrolyte, the battery cable leads connected to the negative electrode plate
  • the battery case is used as the negative terminal by connecting to the inner surface of the battery, and the lead wire connected to the positive plate is connected to the back of the metal lid applied via the insulating plate and annular packing to form the positive terminal, and the upper end of the battery case is insulated This was sealed by caulking through a plate and an annular packing to form a sealed lithium ion secondary battery.
  • the battery thus obtained was aged at a temperature of 38 ° C. for one month, and then visually checked for liquid leakage. Table 1 shows the results.
  • Example 1 30 6 With 225 A1 30 DI 3 Without Example 2 75 1 With 307 A1 30 DI 3 Without Example 3 75 6 With 197 A1 10 DI 3 Without Example 4 75 6 With 176 A1 30 DI 3 Without Example 5 75 6 With 189 A1 50 DI 3 Without Example 6 75 6 Without 368 A1 30 DI 3 Without Example 7 100 6 With 188 A1 30 DI 3 Without Example 8 75 10 Yes 231 A1 30 DI 3 Without Example 9 75 6 Yes 211 Cu 10 DI 3 Without Actual ife Example 10 75 6 Yes 194 Cu 30 DI 3 Without Example 11 75 6 Yes 251 Cu 50 DI 3 None Example 12 75 6 ..
  • the clad sheet metal for a battery case of the present invention has excellent workability, and the clad sheet metal for a battery case is subjected to drawing, DI processing, or DTR processing followed by ironing. It can be formed into a battery case using a processing method.
  • the battery case is filled with an electrode plate and an electrolytic solution and the lid is caulked to make a battery, leakage of the electrolytic solution does not occur.
  • the battery case clad metal plate of the present invention can be formed into a battery case having a bottomed cylindrical shape, and is excellent in corrosion resistance and mechanical strength. Further, in the battery of the present invention, the above-mentioned battery case is filled with an IV electrolytic solution, a lid is placed on an upper end portion, and a peripheral portion is caulked to make the battery, so that no liquid leakage occurs.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Abstract

L'invention concerne une plaque métallique plaquée, pouvant former une forme cylindrique à fond, telle qu'un boîtier de pile, à l'aide d'une technique d'activation de surface. L'invention concerne également un boîtier de pile formé d'une plaque métallique, et une pile utilisant ledit boîtier. La plaque métallique plaquée comprend une plaque d'acier revêtue de nickel, recouverte par placage d'une feuille d'aluminium ou de cuivre par activation de surface. La plaque métallique est formée dans le boîtier de pile à fond à l'aide d'un procédé d'étirage ou un processus DI ou DRT.
PCT/JP1999/007267 1998-12-25 1999-12-24 Plaque metallique plaquee pour boitier de pile, boitier de pile, et pile utilisant ledit boitier WO2000039861A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU18898/00A AU1889800A (en) 1998-12-25 1999-12-24 Clad metal plate for battery case, battery case and battery using the battery case

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10/369942 1998-12-25
JP36994298 1998-12-25

Publications (1)

Publication Number Publication Date
WO2000039861A1 true WO2000039861A1 (fr) 2000-07-06

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PCT/JP1999/007267 WO2000039861A1 (fr) 1998-12-25 1999-12-24 Plaque metallique plaquee pour boitier de pile, boitier de pile, et pile utilisant ledit boitier

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AU (1) AU1889800A (fr)
WO (1) WO2000039861A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003222491A (ja) * 2002-01-30 2003-08-08 Hitachi Cable Ltd ロールボンドパネル
JP2006140018A (ja) * 2004-11-11 2006-06-01 Toyo Kohan Co Ltd リチウム電池のケース用鋼板、リチウム電池のケース用表面処理鋼板、電池ケースおよびリチウム電池
WO2013047514A1 (fr) * 2011-09-30 2013-04-04 三洋電機株式会社 Batterie secondaire à électrolyte non aqueux

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01224184A (ja) * 1988-03-02 1989-09-07 Toyo Kohan Co Ltd クラッド金属板の製造法及びその装置
JPH05174873A (ja) * 1991-12-24 1993-07-13 Sanyo Electric Co Ltd 耐過充電性の非水電解液二次電池
JPH0794153A (ja) * 1993-09-28 1995-04-07 Matsushita Electric Ind Co Ltd アルカリ電池および負極容器の製造法
JPH1092395A (ja) * 1996-09-12 1998-04-10 Katayama Tokushu Kogyo Kk 電池缶形成材料及びその製造方法
JPH10208710A (ja) * 1997-01-24 1998-08-07 Yuasa Corp 扁平形電池

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01224184A (ja) * 1988-03-02 1989-09-07 Toyo Kohan Co Ltd クラッド金属板の製造法及びその装置
JPH05174873A (ja) * 1991-12-24 1993-07-13 Sanyo Electric Co Ltd 耐過充電性の非水電解液二次電池
JPH0794153A (ja) * 1993-09-28 1995-04-07 Matsushita Electric Ind Co Ltd アルカリ電池および負極容器の製造法
JPH1092395A (ja) * 1996-09-12 1998-04-10 Katayama Tokushu Kogyo Kk 電池缶形成材料及びその製造方法
JPH10208710A (ja) * 1997-01-24 1998-08-07 Yuasa Corp 扁平形電池

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003222491A (ja) * 2002-01-30 2003-08-08 Hitachi Cable Ltd ロールボンドパネル
JP2006140018A (ja) * 2004-11-11 2006-06-01 Toyo Kohan Co Ltd リチウム電池のケース用鋼板、リチウム電池のケース用表面処理鋼板、電池ケースおよびリチウム電池
WO2013047514A1 (fr) * 2011-09-30 2013-04-04 三洋電機株式会社 Batterie secondaire à électrolyte non aqueux

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