WO2017221763A1 - Plaque d'acier pour boîtier d'enveloppe externe de batterie, boîtier d'enveloppe externe de batterie, et batterie - Google Patents

Plaque d'acier pour boîtier d'enveloppe externe de batterie, boîtier d'enveloppe externe de batterie, et batterie Download PDF

Info

Publication number
WO2017221763A1
WO2017221763A1 PCT/JP2017/021760 JP2017021760W WO2017221763A1 WO 2017221763 A1 WO2017221763 A1 WO 2017221763A1 JP 2017021760 W JP2017021760 W JP 2017021760W WO 2017221763 A1 WO2017221763 A1 WO 2017221763A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery outer
diffusion layer
battery
steel sheet
amount
Prior art date
Application number
PCT/JP2017/021760
Other languages
English (en)
Japanese (ja)
Inventor
幹人 須藤
威 鈴木
祐介 中川
由紀夫 小幡
Original Assignee
Ｊｆｅスチール株式会社
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 Ｊｆｅスチール株式会社 filed Critical Ｊｆｅスチール株式会社
Priority to JP2017544977A priority Critical patent/JP6260752B1/ja
Priority to CN201780027816.5A priority patent/CN109072449B/zh
Publication of WO2017221763A1 publication Critical patent/WO2017221763A1/fr

Links

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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/107—Primary casings; Jackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/48—After-treatment of electroplated surfaces
    • C25D5/50—After-treatment of electroplated surfaces by heat-treatment
    • 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 steel plate for a battery outer can, a battery outer can and a battery.
  • a primary battery such as an alkaline manganese battery
  • a secondary battery such as a lithium ion battery mounted on a notebook personal computer or a hybrid vehicle, etc. are known.
  • Ni plating is applied to the surface of the steel sheet constituting the outer cylinder can (battery outer cylinder can) used in these batteries, and an Ni layer is formed. Due to the difference in the process of applying Ni plating, there are two types of manufacturing methods for battery outer cans. One is a pre-plating method in which a steel plate to which Ni plating is applied is press-formed into a battery outer can, and thereafter no plating treatment is performed. The other is a post-plating method in which Ni plating is applied to the surface of the battery outer can after press molding using a technique such as barrel plating.
  • Patent Document 1 describes that “having a Fe—Ni diffusion layer having a thickness of 0.5 ⁇ m or more and 4 ⁇ m or less on the surface that becomes the inner surface of the container by press molding, further on the thickness 0.25 ⁇ m or more thereof, having the following Ni layer 4 [mu] m, the surface to be the outer surface of the container attachment amount 0.05 g / m 2 or more, has a 1.5 g / m 2 less than Ni, the A Ni-plated steel sheet for containers, characterized in that Ni is diffused inside and the surface layer has a Ni / (Fe + Ni) mass ratio of 0.1 to 0.9 (claim 1). ).
  • such a steel plate for battery outer cylinder cans Ni-plated steel sheet for containers
  • Ni plating is applied to the outer surface using a technique such as barrel plating. To do.
  • ⁇ Cemented carbide is often used as the material of the mold (mold) used for post-plating press forming, but relatively brittle and hardened steel may also be used.
  • the present invention is a steel plate for battery outer cans used in the post-plating method, the occurrence of scratches is suppressed even when press molding is repeatedly performed using a mold made of quenched steel, and
  • An object of the present invention is to provide a steel plate for a battery outer can that is excellent in the corrosion resistance of the obtained battery outer can, and a battery outer can and a battery using the same.
  • the present invention provides the following [1] to [8].
  • [1] Fe-Ni diffusion layers are provided on both surface layers of the steel sheet, and the Fe-Ni diffusion layer has an Ni-concentrated adhesion amount on one side of the steel sheet of 50 mg / m 2 or more and 500 mg / m 2 or less.
  • a steel plate for battery outer cans. [2] The steel plate for battery outer cans according to [1], wherein the Ni ratio on the outermost surface of the Fe—Ni diffusion layer is 1.0% or more and less than 20.0%. However, the Ni ratio is the ratio of the Ni amount to the total of Fe amount and Ni amount on the outermost surface of the Fe—Ni diffusion layer, and the unit of the Fe amount and the Ni amount is atomic%. .
  • the steel plate for battery outer cans according to [1] or [2], wherein the thickness of the Fe—Ni diffusion layer is 0.01 ⁇ m or more and less than 0.5 ⁇ m.
  • the battery outer cylinder-shaped steel plate has Fe—Ni diffusion layers on the inner and outer surface layers, and further has a Ni layer on the Fe—Ni diffusion layer on the outer surface side of the steel plate.
  • a part of the Fe—Ni diffusion layer on the outer surface side of the steel sheet is an Fe—Ni diffusion layer A having an Ni conversion amount per side of the steel sheet of 50 mg / m 2 or more and 500 mg / m 2 or less. Tube can.
  • a steel plate for a battery outer can used in a post-plating method, the occurrence of scratches is suppressed even when press molding is repeatedly performed using a mold made of quenched steel, and It is possible to provide a steel plate for a battery outer can that is excellent in corrosion resistance of the obtained battery outer can, and a battery outer can and a battery using the same.
  • the steel sheet for battery outer cans of the present invention (hereinafter, also simply referred to as “the steel sheet for cans of the present invention”) has Fe—Ni diffusion layers on both surface layers of the steel sheet.
  • the steel plate for cans of the present invention is a steel plate for battery outer cylinder cans used in post-plating methods, and even when press forming is repeatedly performed using a forming die made of quenched steel, the occurrence of scratches is suppressed.
  • the obtained battery outer can has excellent corrosion resistance. The reason is presumed as follows.
  • the steel sheet for a battery outer can used in the post-plating method described in Patent Document 1 has “Fe—Ni diffusion layer having a thickness of 0.5 ⁇ m or more on the surface that becomes the inner surface of the container by press molding”.
  • the Ni adhesion amount of this Fe—Ni diffusion layer is 4500 mg / m 2 or more in terms of conversion.
  • Such a steel sheet for battery outer cans of Patent Document 1 is a process in which a forming die made of a relatively brittle and hardened steel is repeatedly pressed by a Ni-adhering amount of the Fe—Ni diffusion layer is too hard. It is thought that it will gradually hurt. And since the shaping
  • the Fe—Ni diffusion layer of the steel sheet for cans of the present invention has a reasonably small Ni adhesion amount of 500 mg / m 2 or less, and is considered to be soft enough not to damage a forming die made of hardened steel. For this reason, the generation
  • the corrosion resistance when it is made into a battery outer can (hereinafter also simply referred to as “corrosion resistance”). Becomes better. More specifically, the content of the Fe-Ni diffusion layer is electrochemically stable on the inner surface of the battery outer can when compared with the case where the Fe-Ni diffusion layer is absent or too little. Corrosion resistance against is improved.
  • Ni plating is applied to the outer surface by barrel plating or the like after forming to form a Ni layer.
  • the Ni layer has some pinholes, and corrosion proceeds from here.
  • the potential difference between the Ni layer and the underlayer can be reduced compared to the case where there is no Fe—Ni diffusion layer or too little, and the corrosion resistance. Will improve.
  • the kind of steel plate is not particularly limited.
  • a steel plate for example, a low carbon steel plate or an extremely low carbon steel plate
  • the content of Cr in the steel sheet may cause the steel to harden and deteriorate formability, or may form a Cr oxide on the surface of the steel sheet during annealing, making it impossible to obtain a desired surface state.
  • the Cr content of the steel sheet is preferably less than 3% by mass, and more preferably less than 1% by mass.
  • the manufacturing method of the steel plate is not particularly limited. For example, it is manufactured through processes such as hot rolling, pickling, cold rolling, annealing, and temper rolling from a normal steel slab manufacturing process.
  • the formation of the Fe—Ni diffusion layer is essential, it is possible to apply Ni plating to an unannealed steel sheet after cold rolling, and to diffuse the Ni plating inside the steel sheet together with the annealing treatment of the steel sheet. Above, the most efficient. For this reason, it is preferable to use an unannealed steel sheet after cold rolling as the steel sheet.
  • the steel plate for cans of the present invention has Fe—Ni diffusion layers on the surface layers on both sides of the steel plate.
  • Ni conversion amount (Ni adhesion amount) per one side of the steel sheet is 50 mg / m 2 or more and 500 mg / m 2 or less.
  • the steel plate for cans of this invention is excellent in both scratch resistance and corrosion resistance.
  • Ni deposition amount of Fe-Ni diffusion layer is preferably 350 mg / m 2 or less, 300 mg / m 2 or less is more preferable.
  • the amount of Ni deposited on the Fe—Ni diffusion layer can be measured by surface analysis using fluorescent X-ray analysis.
  • a calibration curve related to the Ni adhesion amount is specified in advance using a Ni adhesion sample with a known Ni adhesion amount, and the Ni adhesion amount is relatively specified using the calibration curve.
  • the fluorescent X-ray analysis is performed, for example, under the following conditions.
  • Apparatus X-ray fluorescence analyzer System 3270 manufactured by Rigaku Corporation ⁇ Measurement diameter: 30 mm ⁇ Measurement atmosphere: Vacuum ⁇ Spectrum: Ni-K ⁇ ⁇ Slit: COARSE -Spectral crystal: TAP The peak count number of Ni—K ⁇ in the fluorescent X-ray analysis of the Fe—Ni diffusion layer measured under the above conditions is used. Using a standard sample with a known adhesion amount measured by the gravimetric method, a calibration curve related to the Ni adhesion amount is specified in advance, and the Ni adhesion amount is relatively determined using the calibration curve.
  • the thickness of the Fe—Ni diffusion layer is 0.01 ⁇ m or more because it is easy to maintain the Fe—Ni diffusion layer after forming and the scratch resistance and corrosion resistance are more excellent. 0.4 ⁇ m or less is more preferable, and 0.38 ⁇ m or less is still more preferable because it is preferably less than 0.5 ⁇ m and scratch resistance is further improved.
  • the thickness of the Fe—Ni diffusion layer can be measured by GDS (glow discharge emission analysis). Specifically, first, sputtering is performed from the surface of the Fe—Ni diffusion layer toward the inside of the steel plate, analysis is performed in the depth direction, and a sputtering time at which the Ni intensity becomes 1/10 of the maximum value is obtained. Next, the relationship between the sputtering depth by GDS and the sputtering time is obtained using pure iron. Using this relationship, the sputtering depth is calculated in terms of pure iron from the sputtering time at which the Ni strength obtained previously becomes 1/10 of the maximum value, and the calculated value is taken as the thickness of the Fe—Ni diffusion layer. GDS was carried out under the following conditions.
  • Ni ratio (hereinafter also simply referred to as “Ni ratio”) on the outermost surface of the Fe—Ni diffusion layer is 1.0% or more and 20.20 because it is more excellent in scratch resistance and corrosion resistance. Preferably it is less than 0%.
  • the Ni ratio on the outermost surface of the Fe—Ni diffusion layer is important because Ni on the outermost surface of the Fe—Ni diffusion layer has a direct effect on the corrosion resistance, but Ni diffused in the steel has a small effect on improving the corrosion resistance. . On the other hand, if the Ni ratio is too high, the outermost surface becomes hard and scratch resistance may be insufficient.
  • the suitable range of Ni ratio is 1.0% or more and less than 20.0% mentioned above.
  • the lower limit of the Ni ratio is more preferably 3.0%.
  • the upper limit of the Ni ratio is more preferably 15.0%, still more preferably 13.0%.
  • the Ni ratio (unit:%) on the outermost surface of the Fe—Ni diffusion layer is the ratio of the Ni amount to the sum of the Fe amount and the Ni amount on the outermost surface of the Fe—Ni diffusion layer, that is, the formula “Ni amount / (Fe amount + Ni amount) ⁇ 100 ”.
  • the unit of Fe amount and Ni amount is atomic%.
  • the amount of Fe (unit: atomic%) and the amount of Ni (unit: atomic%) on the outermost surface of the Fe—Ni diffusion layer were determined by ultrasonically cleaning the steel sheet on which the Fe—Ni diffusion layer was formed in acetone for 10 minutes. It can be measured by performing Auger electron spectroscopy without performing sputtering.
  • Auger electron spectroscopic measurement is performed at 10 points in different fields of view in the same sample, and the average value of the results of measurement at 10 points is used for the Fe amount and Ni amount, respectively.
  • Auger electron spectroscopy measurement was performed under the following conditions.
  • ⁇ Device ULVAC-PHI PHI660 Observation and analysis conditions: acceleration voltage 10.0 kV, current value 0.5 ⁇ A Observation magnification 1,000 times, measurement range 540-900eV
  • the method for forming the Fe—Ni diffusion layers on the surface layers on both surfaces of the steel plate is not particularly limited, but the following method is given as an example.
  • pre-treatment eg, degreasing and pickling
  • a Ni plating bath examples include a watt bath, a sulfamic acid bath, a borofluoride bath, and a chloride bath.
  • the Ni adhesion amount of the formed Fe—Ni diffusion layer can be set to 50 mg / m 2 or more and 500 mg / m 2 or less.
  • annealing for the purpose of recrystallizing the steel sheet is performed on the steel sheet to which Ni plating has been applied.
  • the Ni plating diffuses inside the steel sheet and an Fe—Ni diffusion layer is formed.
  • the soaking temperature is preferably 600 ° C. or more and 800 ° C. or less, and the holding time at this soaking temperature is preferably 10 seconds or more and 60 seconds or less. The shorter the holding time at the soaking temperature, the more difficult Ni diffuses in the steel, and the Ni ratio on the outermost surface increases. From the viewpoint of corrosion resistance, the holding time at the soaking temperature is more preferably less than 30 seconds. .
  • the thickness of the formed Fe—Ni diffusion layer is set to 0.01 ⁇ m or more and less than 0.5 ⁇ m, and the Ni ratio on the outermost surface is set to 1.0% or more and less than 20.0%. This is preferable.
  • shape correction and surface roughness adjustment may be performed by temper rolling as necessary.
  • the manufacturing method of the present invention includes, for example, a step of forming the steel plate for cans of the present invention into a battery outer can shape (for example, a cylindrical shape) by press forming using a forming die, and then into a battery outer can shape. And forming a Ni layer on the outer surface of the formed steel plate for a can of the present invention by applying Ni plating.
  • the method of forming (press molding) is not particularly limited, and can be performed by a general method used for forming a battery outer can.
  • the steel plate for cans of the present invention is punched into a circular shape, drawn into a cup shape, formed into a cylindrical shape or the like by a redrawing and DI (Drawing and Ironing) process.
  • cemented carbide is often used as the material of the mold used, but relatively brittle and hardened steel may be used.
  • the Fe—Ni diffusion layer of the steel sheet for cans of the present invention is considered not to damage the mold made of hardened steel, the generation of scratches on the steel sheet for battery outer cylinder can be suppressed.
  • the Ni adhesion amount, thickness, and Ni ratio of the Fe—Ni diffusion layer subjected to press forming can be changed without maintaining the state before press forming.
  • at least a part of the portion that becomes the outer surface side of the battery outer can (for example, the portion that becomes the end surface of the positive protrusion of the battery outer can) is not press-formed. It remains as processed. Therefore, at least a part of the outer surface side of the battery outer can obtained by using the steel plate for cans of the present invention (battery outer can of the present invention) is Fe-Ni diffusion in the steel plate for cans of the present invention before press forming.
  • the Ni adhesion amount, thickness, and Ni ratio of the layer are maintained as they are.
  • Ni plating after forming into battery outer tube can shape The method for applying Ni plating is not particularly limited, and a conventionally known method can be used.
  • the steel plate for cans of the present invention formed into a battery outer can shape is subjected to Ni plating by a barrel plating method by appropriately adjusting conditions such as current density using a Ni plating bath.
  • the Ni plating bath include a watt bath, a sulfamic acid bath, a borofluoride bath, and a chloride bath.
  • Ni plating is performed on the Fe—Ni diffusion layer on at least the outer surface side of the steel plate for a can of the present invention formed into a battery outer cylinder can shape, thereby forming a Ni layer.
  • the steel plate for cans of the present invention is formed into a battery outer cylinder can shape, Ni plating is less likely to enter inside, and the inner surface of the steel plate for cans of the present invention in the shape of a battery outer cylinder can is Ni. Plating is difficult to apply.
  • the Ni layer may be formed on the inner surface of the battery steel plate for cans of the present invention having a battery outer can shape as well as the outer surface.
  • the thickness of the Ni plating (Ni layer) formed on the Fe—Ni diffusion layer is preferably 1 ⁇ m or more and more preferably 2 ⁇ m or more from the viewpoint of corrosion resistance.
  • the upper limit of the thickness of Ni layer is not specifically limited, For example, 7 micrometers or less are preferable from a viewpoint of economical efficiency.
  • the battery outer can of the present invention is a battery outer can obtained using the steel plate for cans of the present invention. More specifically, the battery outer can of the present invention has a Fe—Ni diffusion layer on the inner surface and outer surface of the battery outer can-shaped steel plate, on the Fe—Ni diffusion layer on the outer surface side of the steel plate. Furthermore, it has a Ni layer, and a part of the Fe—Ni diffusion layer on the outer surface side of the steel sheet has a Ni-concentrated adhesion amount on one side of the steel sheet of 50 mg / m 2 or more and 500 mg / m 2 or less. This is a battery outer can that is an Fe—Ni diffusion layer A.
  • a steel plate is formed into a battery outer can shape by press forming, and on both surfaces (inner surface and outer surface) of this steel plate, similarly to the steel plate for cans of the present invention, An Fe—Ni diffusion layer is formed. Then, Ni plating is performed on the Fe—Ni diffusion layer on at least the outer surface side of the steel plate to form a Ni layer.
  • At least a part of the Fe—Ni diffusion layer on the outer surface side of the battery outer can of the present invention is the Fe—Ni diffusion layer (Ni adhesion amount) in the steel sheet for cans of the present invention before press forming. : 50 mg / m 2 or more and 500 mg / m 2 or less) is maintained as it is. That is, in the battery outer can of the present invention, at least a part of the Fe—Ni diffusion layer on the outer surface side of the battery outer can-shaped steel plate has an Fe deposition amount of Ni of 50 mg / m 2 or more and 500 mg / m 2 or less. -Ni diffusion layer A.
  • the preferable range of the Ni adhesion amount, the thickness and the Ni ratio of the Fe—Ni diffusion layer A in the battery outer can of the present invention is the Ni adhesion amount, thickness and Ni of the Fe—Ni diffusion layer in the steel sheet for cans of the present invention. It is the same as the ratio.
  • the thickness of the Ni layer on the Fe—Ni diffusion layer is as described above, preferably 1 ⁇ m or more, and more preferably 2 ⁇ m or more. Although an upper limit is not specifically limited, 7 micrometers or less are preferable.
  • the battery of this invention is a battery provided with the battery outer cylinder can of this invention, and the electrolyte solution, electrode, and separator which are arrange
  • the steel plate subjected to Ni plating was introduced into a continuous annealing line, the steel plate was annealed, and Ni was diffused inside the steel plate to form Fe—Ni diffusion layers on both surface layers of the steel plate.
  • the thickness (unit: ⁇ m) and Ni ratio (unit:%) of the Fe—Ni diffusion layer were changed to the following Table 1 by using the annealing conditions (soaking temperature and holding time) shown in Table 1 below. It was made to become the numerical value of description.
  • temper rolling was performed, and the test material no. 1 to 27 steel plates for battery outer cans were obtained.
  • ⁇ Manufacture of battery outer can> ⁇ Molding> The obtained steel plate for battery outer can was punched into a circular shape, drawn into a cup, redrawed and formed into a cylindrical 18650 type battery outer can by a DI process. The plate thickness of the side wall portion was reduced to 0.15 mm by the DI process. ⁇ Ni plating >> Then, Ni plating was performed by barrel plating on at least the outer surface of the steel sheet for battery outer cylinder cans formed into a battery outer cylinder can shape to form a Ni layer having a thickness of 4 ⁇ m. In this way, a battery outer can was obtained.
  • the test material No. 1 in which the Ni adhesion amount of the Fe—Ni diffusion layer exceeded 500 mg / m 2 was used. 10-11 and 22-23 were inferior in scratch resistance. The test material No. whose Ni adhesion amount of the Fe—Ni diffusion layer is less than 50 mg / m 2 12 and 24 were inferior in corrosion resistance.
  • Test material No. 1 When comparing 1 to 9, 13 to 21, and 25 to 27, the test material No. 1 in which the Ni ratio on the outermost surface of the Fe—Ni diffusion layer is 1.0% or more and less than 20.0% Nos. 1 to 9, 13 to 21, and 26 to 27 are test materials having Ni ratios of 20.0% or more. The scratch resistance was better than 25.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Electrochemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)

Abstract

L'invention fournit une plaque d'acier pour boîtier d'enveloppe externe de batterie qui met en œuvre un procédé de placage arrière, dans laquelle l'apparition d'éraflure est inhibée y compris lorsqu'un moulage par pressage est répété à l'aide d'une matrice de moulage faite en acier trempé, et qui présente également une excellente résistance à la corrosion d'un boîtier d'enveloppe externe obtenu par sa mise en œuvre . En outre, l'invention fournit un boîtier d'enveloppe externe de batterie et une batterie qui mettent en œuvre cette plaque d'acier. Ladite plaque d'acier pour boîtier d'enveloppe externe de batterie possède une couche de diffusion Fe-Ni à la surface de ces deux faces. Ladite couche de diffusion Fe-Ni présente une quantité de dépôt supérieure ou égale à ５０ｍｇ／ｍ2 et inférieure ou égale à ５００ｍｇ／ｍ2 en termes de Ni par face de ladite plaque d'acier.
PCT/JP2017/021760 2016-06-24 2017-06-13 Plaque d'acier pour boîtier d'enveloppe externe de batterie, boîtier d'enveloppe externe de batterie, et batterie WO2017221763A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2017544977A JP6260752B1 (ja) 2016-06-24 2017-06-13 電池外筒缶用鋼板、電池外筒缶および電池
CN201780027816.5A CN109072449B (zh) 2016-06-24 2017-06-13 电池外筒罐用钢板、电池外筒罐和电池

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-125251 2016-06-24
JP2016125251 2016-06-24

Publications (1)

Publication Number Publication Date
WO2017221763A1 true WO2017221763A1 (fr) 2017-12-28

Family

ID=60783953

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/021760 WO2017221763A1 (fr) 2016-06-24 2017-06-13 Plaque d'acier pour boîtier d'enveloppe externe de batterie, boîtier d'enveloppe externe de batterie, et batterie

Country Status (4)

Country Link
JP (1) JP6260752B1 (fr)
CN (1) CN109072449B (fr)
TW (1) TWI650892B (fr)
WO (1) WO2017221763A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019021909A1 (fr) * 2017-07-28 2019-01-31 Ｊｆｅスチール株式会社 Tôle d'acier pour boîtiers de tube externe de batterie, boîtier de tube externe de batterie et batterie
WO2020044714A1 (fr) * 2018-08-29 2020-03-05 Ｊｆｅスチール株式会社 Tôle d'acier pour canettes et son procédé de production

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102339193B1 (ko) * 2017-07-28 2021-12-13 제이에프이 스틸 가부시키가이샤 전지 외통캔용 강판, 전지 외통캔 및 전지

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002212778A (ja) * 2001-01-19 2002-07-31 Nippon Steel Corp 電池特性の優れたアルカリマンガン電池正極缶用Ｎｉメッキ鋼板および製造方法
JP2008041527A (ja) * 2006-08-09 2008-02-21 Matsushita Electric Ind Co Ltd 電池缶及びそれを用いた電池
JP4995140B2 (ja) * 2008-04-25 2012-08-08 新日本製鐵株式会社 容器用Ｎｉめっき鋼板とそれにより製造した容器およびその製造方法
JP2014205884A (ja) * 2013-04-12 2014-10-30 東洋鋼鈑株式会社 Ｍｎ層を有する鋼材

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011083562A1 (fr) * 2010-01-08 2011-07-14 東洋鋼鈑株式会社 Feuille d'acier plaquée au ni avec excellente aptitude au pressage pour boîte de pile ou batterie
TWI510362B (zh) * 2013-04-30 2015-12-01 Nippon Steel & Sumitomo Metal Corp 鍍Ｎｉ鋼板及鍍Ｎｉ鋼板之製造方法
TWI549812B (zh) * 2013-05-21 2016-09-21 新日鐵住金股份有限公司 容器用鋼板及容器用鋼板之製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002212778A (ja) * 2001-01-19 2002-07-31 Nippon Steel Corp 電池特性の優れたアルカリマンガン電池正極缶用Ｎｉメッキ鋼板および製造方法
JP2008041527A (ja) * 2006-08-09 2008-02-21 Matsushita Electric Ind Co Ltd 電池缶及びそれを用いた電池
JP4995140B2 (ja) * 2008-04-25 2012-08-08 新日本製鐵株式会社 容器用Ｎｉめっき鋼板とそれにより製造した容器およびその製造方法
JP2014205884A (ja) * 2013-04-12 2014-10-30 東洋鋼鈑株式会社 Ｍｎ層を有する鋼材

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019021909A1 (fr) * 2017-07-28 2019-01-31 Ｊｆｅスチール株式会社 Tôle d'acier pour boîtiers de tube externe de batterie, boîtier de tube externe de batterie et batterie
US11946121B2 (en) 2017-07-28 2024-04-02 Jfe Steel Corporation Steel sheet for battery outer tube cans, battery outer tube can and battery
WO2020044714A1 (fr) * 2018-08-29 2020-03-05 Ｊｆｅスチール株式会社 Tôle d'acier pour canettes et son procédé de production
JPWO2020044714A1 (ja) * 2018-08-29 2020-09-03 Ｊｆｅスチール株式会社 缶用鋼板およびその製造方法
KR20210035274A (ko) * 2018-08-29 2021-03-31 제이에프이 스틸 가부시키가이샤 캔용 강판 및 그의 제조 방법
CN112639172A (zh) * 2018-08-29 2021-04-09 杰富意钢铁株式会社 罐用钢板及其制造方法
EP3808878A4 (fr) * 2018-08-29 2021-08-25 JFE Steel Corporation Tôle d'acier pour canettes et son procédé de production
KR102507717B1 (ko) * 2018-08-29 2023-03-07 제이에프이 스틸 가부시키가이샤 캔용 강판 및 그의 제조 방법
CN112639172B (zh) * 2018-08-29 2023-11-07 杰富意钢铁株式会社 罐用钢板及其制造方法
US11939692B2 (en) 2018-08-29 2024-03-26 Jfe Steel Corporation Steel sheet for can making and method for manufacturing the same

Also Published As

Publication number Publication date
CN109072449B (zh) 2023-07-14
JP6260752B1 (ja) 2018-01-17
TWI650892B (zh) 2019-02-11
JPWO2017221763A1 (ja) 2018-06-28
TW201813158A (zh) 2018-04-01
CN109072449A (zh) 2018-12-21

Similar Documents

Publication Publication Date Title
JP6803852B2 (ja) 電池缶用ニッケルめっき熱処理鋼板
JP7187469B2 (ja) 表面処理鋼板およびその製造方法
CN111699567B (zh) 电池容器用表面处理钢板和电池容器用表面处理钢板的制造方法
KR102366582B1 (ko) 축전 디바이스 용기용 강박, 축전 디바이스용 용기 및 축전 디바이스, 및 축전 디바이스 용기용 강박의 제조 방법
KR20140033058A (ko) 전지 용기용 표면 처리 강판, 전지 용기 및 전지
JPWO2010143374A1 (ja) Ｎｉめっき鋼板及びそのＮｉめっき鋼板を用いた電池缶の製造方法
CN113748225B (zh) 表面处理钢板和其制造方法
JP6260752B1 (ja) 電池外筒缶用鋼板、電池外筒缶および電池
TW201610178A (zh) 蓄電裝置容器用鋼箔、蓄電裝置用容器及蓄電裝置、以及蓄電裝置容器用鋼箔之製造方法
JP2009263727A (ja) 容器用Ｎｉめっき鋼板とそれにより製造した容器およびその製造方法
JP2007335205A (ja) 耐漏液性能及び重負荷放電性能に優れた電池缶形成用鋼板、その製造方法、電池缶およびアルカリ乾電池
JP6451919B1 (ja) 電池外筒缶用鋼板、電池外筒缶および電池
US11946121B2 (en) Steel sheet for battery outer tube cans, battery outer tube can and battery

Legal Events

Date Code Title Description
ENP Entry into the national phase

Ref document number: 2017544977

Country of ref document: JP

Kind code of ref document: A

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17815232

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17815232

Country of ref document: EP

Kind code of ref document: A1