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WO2018180789A1 - Moule - Google Patents

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Publication number
WO2018180789A1
WO2018180789A1 PCT/JP2018/011085 JP2018011085W WO2018180789A1 WO 2018180789 A1 WO2018180789 A1 WO 2018180789A1 JP 2018011085 W JP2018011085 W JP 2018011085W WO 2018180789 A1 WO2018180789 A1 WO 2018180789A1
Authority
WO
WIPO (PCT)
Prior art keywords
mold
metal foil
flat plate
protrusion
protrusions
Prior art date
Application number
PCT/JP2018/011085
Other languages
English (en)
Japanese (ja)
Inventor
武史 久津輪
英二 松本
哲也 山▲崎▼
航志 湯浅
Original Assignee
株式会社 安永
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 株式会社 安永 filed Critical 株式会社 安永
Priority to KR1020197032041A priority Critical patent/KR20190133234A/ko
Priority to CN201880022660.6A priority patent/CN110475651A/zh
Publication of WO2018180789A1 publication Critical patent/WO2018180789A1/fr

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Classifications

    • 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
    • B21D28/00—Shaping by press-cutting; Perforating
    • 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
    • B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
    • B21D31/02—Stabbing or piercing, e.g. for making sieves
    • 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
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/20—Making tools by operations not covered by a single other subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • B26F1/14—Punching tools; Punching dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/24—Perforating by needles or pins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/70—Carriers or collectors characterised by shape or form
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/70—Carriers or collectors characterised by shape or form
    • H01M4/72—Grids
    • H01M4/74—Meshes or woven material; Expanded metal
    • H01M4/742—Meshes or woven material; Expanded metal perforated material
    • 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 mold of the present invention is a mold for forming a plurality of through holes in a metal foil having a thickness of 5 to 40 ⁇ m, and is a flat plate portion made of a metal having a hardness of HV650 or less. And a plurality of frustum-shaped protrusions that are integrally formed so as to protrude from the surface of the flat plate portion, made of the same metal as the material of the flat plate portion, Each includes an inclined side surface inclined at least 5 degrees with respect to a direction orthogonal to the surface of the flat plate portion, and the surface area of the upper surface located at the tip is 20 ⁇ m 2 or more.
  • FIG. 1 is a perspective view of a mold according to Example 1.
  • FIG. 1 is a front view of a mold according to Example 1.
  • FIG. 3 is a schematic view showing a usage state of a mold according to Example 1. It is an enlarged side view of the protrusion part of the metal mold
  • FIG. 5 is an enlarged cross-sectional view of the mold along the line VV in FIG. 2. It is an expansion perspective view of the projection part of the metallic mold concerning a modification. It is an expansion perspective view of the projection part of the metallic mold concerning a modification. It is an expansion perspective view of the projection part of the metallic mold concerning a modification. It is an expansion perspective view of the projection part of the metallic mold concerning a modification. It is an expanded sectional view of the metal mold
  • FIG. 1 is a perspective view of the mold according to the first embodiment
  • FIG. 2 is a front view of the mold according to the first embodiment.
  • FIG. 3 is a schematic diagram illustrating a usage state of the mold according to the first embodiment.
  • FIG. 4 is an enlarged side view of the protrusion formed on the mold according to the first embodiment.
  • FIG. 5 is an enlarged sectional view of the mold along the line VV in FIG.
  • the mold 10 includes a rectangular parallelepiped flat plate portion 11, a plurality of protrusions 12 formed on the first surface 11 a side of the flat plate portion 11, and the flat plate portion 11. It has the some receiving part 13 formed in the 1st surface 11a side.
  • the protruding portion 12 protrudes from the first surface 11a of the flat plate portion 11 and becomes a portion penetrating the workpiece.
  • the receiving portion 13 is an opening that is recessed from the first surface 11 a of the flat plate portion 11.
  • the second surface 11b of the flat plate portion 11 has a flat shape for attaching a jig for supporting the mold 10, but various jigs or Irregularities or the like may be formed to connect the support members.
  • the object to be processed of the mold 10 according to Example 1 is a metal foil 20 having a thickness of 5 to 40 ⁇ m.
  • the metal foil 20 is used, for example, as a current collector foil for a secondary battery.
  • the mold 10 is formed by applying a general electroforming technique to a mother mold made of a resin material in which irregularities corresponding to the protrusions 12 and the receiving portions 13 are formed. For this reason, the flat plate part 11 and the protrusion part 12 are integrally formed of the same metal.
  • the mold 10 is formed of a metal having a hardness of HV650 or less in consideration of the thickness of about 500 ⁇ m from the viewpoint of strength and the warpage of the mold 10 itself. That is, a metal exceeding the hardness HV650 cannot be used as a constituent member of the mold 10 according to the first embodiment in consideration of the shape of the mold 10 and the like.
  • Example 1 what synthesize
  • die 10 formed is HV650 or less, the said electroforming material uses other metals, such as nickel, copper, iron, or nickel molybdenum alloy (NiMo), alone or in mixture. Also good.
  • a total of 16 protrusions 12 are formed in a matrix (4 rows ⁇ 4 columns).
  • a total of 16 receiving portions 13 are formed in a matrix (4 rows ⁇ 4 columns).
  • the protrusion part 12 and the receiving part 13 are alternately arrange
  • the interval between the projecting portions 12 and the interval between the receiving portions 13 are preferably 250 ⁇ m or less, and more preferably 100 ⁇ m or less. That is, the formation density of the protrusions 12 and the receiving portions 13 is preferably 16 pieces / mm 2 or more, and more preferably 100 pieces / mm 2 or more.
  • the metal foil 20 is used as a current collector foil of a secondary battery, it is desirable that more through holes are formed. However, a certain region of the metal foil 20 is formed by two molds 10. If a large number of through-holes are formed by sandwiching a plurality of times, the metal foil 20 is likely to be wrinkled and the result is that the reliability as a current collector foil is reduced.
  • Example 1 the number of times the fixed region of the metal foil 20 is sandwiched between the two molds 10 is set by setting the formation density of the protrusions 12 and the receiving portions 13 to 16 pieces / mm 2 or more. While reducing, more through holes are formed at the same time so that the reliability as a current collector foil can be maintained.
  • the quantity and the arrangement relationship of the protrusion part 12 and the receiving part 13 are not limited to the content mentioned above, but can be suitably changed according to the quantity and formation location of the through-hole formed in the metal foil 20.
  • the protrusions 12 and the receiving portions 13 may be alternately arranged in the short side direction of FIG.
  • the height of the protrusion 12 is preferably 1.5 times or more, more preferably 2 to 3 times the thickness of the metal foil 20 that is the workpiece.
  • the height of the protrusion 12 is adjusted by the thickness of the metal foil 20, when the metal foil 20 is used as a current collector foil of a secondary battery, the height of the protrusion 12 is set to 20 ⁇ m or more. Is particularly preferred.
  • the reason for this setting is that when the metal foil 20 is used as a current collector foil of a secondary battery, the opening diameter of the through-hole formed in the current collector foil is 10 ⁇ m in order to smoothly pass the electrolyte. It is because it becomes desirable to become a grade.
  • the projecting portion 12 is composed of a projecting portion 12a located on the flat plate portion 11 side and a top portion 12b located at the tip of the projecting portion 12 and having a convex curved surface shape.
  • the shape of the protrusion 12a is a truncated cone, and the shape of the top 12b is hemispherical.
  • the protruding portion 12a includes an inclined side surface 12c that is inclined by 5 degrees or more with respect to a direction orthogonal to the first surface 11a of the flat plate portion 11.
  • the inclination angle (hereinafter also referred to as draft angle) ⁇ of the inclined side surface 12c with respect to the direction orthogonal to the first surface 11a was set to 9 degrees.
  • the inclination angle of the inclined side surface 12c is set to 5 degrees or more with respect to the metal foil 20 having a thickness of 5 to 40 ⁇ m
  • the protrusion 12 that has broken the metal foil 20 is pulled out from the metal foil 20.
  • the protrusion 12 is reduced from being caught by the metal foil 20.
  • the metal foil 20 is prevented from being broken, and further, the frictional damage of the inclined side surface 12 c is prevented, leading to improvement in the durability of the mold 10. become.
  • Example 1 it is a necessary condition that the surface area of the upper surface of the protrusion 12a is 20 ⁇ m 2 or more, and further, the diameter 2r of the upper surface of the protrusion 12a is 50% or more of the thickness of the metal foil 20.
  • the tip of the protruding portion 12a (that is, the formation surface side of the top portion 12b) is worn against the metal foil 20 having a thickness of 5 to 40 ⁇ m. Will be prevented.
  • the shape of the opening that is the receiving portion 13 corresponds to the protruding portion 12, and is a shape constituted by a truncated cone portion and a hemispherical portion.
  • the dimensions of the receiving portion 13 are generally larger than those of the protruding portion 12. This is to prevent the protrusions of other molds from coming into contact with the receiving portion 13 when the through hole is formed in the metal foil that is the workpiece. Due to the shape and dimensions of the receiving portion 13, even when the metal foil 20 is processed, the protruding portion 12 of one mold 10 does not contact the receiving portion 13 of the other mold 10, and the protruding portion 12. Can be prevented, and the life of the mold 10 itself can be improved.
  • irregularities corresponding to the protrusions 12 and the receiving portions 13 are formed on the surface of the material by a known technique with respect to the material to be a matrix.
  • the material surface may be mechanical processing such as cutting, chemical processing such as etching, or laser irradiation.
  • the unevenness needs to be processed with very high accuracy and fineness so that the various shapes and dimensions of the protrusion 12 and the receiving portion 13 described above can be realized.
  • a general electroforming technique is applied to the mother mold on which the irregularities are formed, and the metal mold 10 corresponding to the mother mold is formed. Then, the mold 10 is completed by separating the mold 10 from the mother mold.
  • a nickel-cobalt alloy mold 10 was manufactured using nickel (Ni) and cobalt (Co) as electroforming materials, and a durability experiment was performed in which a plurality of through holes were simultaneously formed on a 15 ⁇ m aluminum foil.
  • the durability of the mold 10 was evaluated by comparing changes in the height and shape of the protrusion 12 before and after use. As shown in Table 1, even after 500,000 times of use, the height of the protrusion 12 is maintained at 96.3% before use, and since no change in shape is seen, it is very excellent. It was found to have durability.
  • the projecting portion 12 includes the truncated cone-shaped projecting portion 12a and the hemispherical top portion 12b.
  • the shape of the projecting portion is not limited to this, and for example, FIG. 6 to FIG. The shape as shown in FIG.
  • FIGS. 6 to 8 are enlarged perspective views of the protrusions of the mold according to the modification.
  • a truncated cone-shaped protrusion 32 may be formed. That is, it is the same as that in which the top portion 12b in the first embodiment is absent and only the protruding portion 12a is formed. Even in such a case, if the inclination angle ⁇ of the inclined side surface of the protrusion 32 is 5 degrees or more, the protrusion 32 is caught by the metal foil 20 with respect to the metal foil 20 having a thickness of 5 to 40 ⁇ m. Can be reduced, and the metal foil 20 can be prevented from being broken and the durability of the mold 10 can be improved.
  • the surface area of the upper surface of the protrusion 32 is set to 20 ⁇ m 2 or more, and the diameter 2r of the upper surface of the protrusion 32 is set to 50% or more of the thickness of the metal foil 20 that is the workpiece, thereby causing the protrusion 32. This prevents wear of the tip of the metal.
  • a protrusion 52 having a shape in which a side of the quadrangular pyramid is chamfered may be formed.
  • the top part which makes a convex curve shape.
  • the stress applied to the tips of the projections 42 and 52 can be dispersed during the processing of the metal foil 20, and wear of the projections 42 and 52 can be further prevented.
  • the protrusion and the receiving part are formed on one mold, but only the protrusion is formed on one mold and only the receiving part is formed on the other mold.
  • a plurality of through holes may be simultaneously formed in the metal foil 20 using these two molds.
  • FIG. 9 is an enlarged cross-sectional view of the mold 110 according to the second embodiment, as shown in FIG.
  • the mold 110 according to the second embodiment also has a rectangular parallelepiped flat plate portion 111 and a plurality of flat plates 111 formed on the first surface 111 a side, like the mold 10 according to the first embodiment. And a plurality of receiving portions 113 formed on the first surface 111 a side of the flat plate portion 111. Further, the second surface 111b of the flat plate portion 111 also has a flat shape in order to attach a jig for supporting the mold 110, similarly to the mold 10 according to the first embodiment.
  • the covering layer 130 is made of an alloy having the same metal as the material of the flat plate portion 111 and the protruding portion 112 as a main material and having higher hardness than the material of the flat plate portion 111 and the protruding portion 112.
  • the coating layer 130 may be formed using a nickel boron (NiB) alloy as an alloy mainly composed of nickel. In this case, the coating layer 130 is formed on the first surface 111a by electroless plating.
  • an electroformed material that is, the flat plate portion 111 and the protruding portion 112
  • a laminated material that is, the covering layer 130.
  • the top portion has a hemispherical shape with a diameter of 50% or more of the thickness of the metal foil.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Cell Electrode Carriers And Collectors (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)

Abstract

Moule, pour former de multiples trous traversants dans une feuille métallique de 5 à 40 µm d'épaisseur, comprenant une partie plaque plate formée à partir d'un métal ayant une dureté inférieure ou égale à 650 HV, et de multiples saillies de forme tronconique réalisées à partir du même métal que le matériau de la partie plaque plate et formées d'un seul tenant de manière à faire saillie à partir de la surface de la partie plaque plate, chacune des multiples saillies ayant une surface latérale inclinée inclinée de pas moins de 5° par rapport à la direction orthogonale à la surface de la partie plaque plate, et la superficie de la surface supérieure située au niveau de la pointe étant supérieure ou égale à 20 μm2. <sp />
PCT/JP2018/011085 2017-03-29 2018-03-20 Moule WO2018180789A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020197032041A KR20190133234A (ko) 2017-03-29 2018-03-20 금형
CN201880022660.6A CN110475651A (zh) 2017-03-29 2018-03-20 模具

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017066016A JP2018167351A (ja) 2017-03-29 2017-03-29 金型
JP2017-066016 2017-03-29

Publications (1)

Publication Number Publication Date
WO2018180789A1 true WO2018180789A1 (fr) 2018-10-04

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ID=63675904

Family Applications (1)

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PCT/JP2018/011085 WO2018180789A1 (fr) 2017-03-29 2018-03-20 Moule

Country Status (4)

Country Link
JP (1) JP2018167351A (fr)
KR (1) KR20190133234A (fr)
CN (1) CN110475651A (fr)
WO (1) WO2018180789A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113977700B (zh) * 2020-07-27 2023-05-30 昊佰电子科技（上海）有限公司 一种减少拉胶破损的模切件制备方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09120819A (ja) * 1995-10-27 1997-05-06 Sumitomo Electric Ind Ltd 二次電池用電極基板、電極及びそれを用いた二次電池
JPH1135189A (ja) * 1997-07-23 1999-02-09 Minolta Co Ltd 膜状グリップ用部材及びその製造方法、並びにグリップ用回転部材及びその製造方法
JPH1148197A (ja) * 1997-08-05 1999-02-23 Kazunari Takagi プラスチックフィルムの製造方法及び製造装置
JP2007167885A (ja) * 2005-12-21 2007-07-05 Univ Meijo プレス工具の表面処理方法および該方法で表面処理されたプレス工具
JP2009090538A (ja) * 2007-10-09 2009-04-30 Sumitomo Electric Ind Ltd プラスチック薄膜の製造方法
JP2014008585A (ja) * 2012-07-02 2014-01-20 Nagamine Seisakusho:Kk 多孔プレート製造工具、多孔プレートの製造方法および多孔プレート

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5953597A (ja) 1982-09-21 1984-03-28 Babcock Hitachi Kk 石炭スラリの粘度改善法
US5578398A (en) * 1995-12-13 1996-11-26 Precious Plate Florida Perforated substrate and method of manufacture
JP2012190625A (ja) * 2011-03-10 2012-10-04 Hitachi Ltd 非水二次電池
JP2013142192A (ja) 2012-01-12 2013-07-22 Sony Corp 金型製造方法、金型
JP6356975B2 (ja) * 2014-02-03 2018-07-11 柳下技研株式会社 メッシュプレートの孔明け製造方法
CN104097232B (zh) * 2014-06-30 2016-05-25 天能集团江苏科技有限公司 蓄电池正极板扎孔装置
JP6497692B2 (ja) * 2014-10-14 2019-04-10 柳下技研株式会社 メッシュプレートの孔明け製造方法およびメッシュプレートの孔明け製造装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09120819A (ja) * 1995-10-27 1997-05-06 Sumitomo Electric Ind Ltd 二次電池用電極基板、電極及びそれを用いた二次電池
JPH1135189A (ja) * 1997-07-23 1999-02-09 Minolta Co Ltd 膜状グリップ用部材及びその製造方法、並びにグリップ用回転部材及びその製造方法
JPH1148197A (ja) * 1997-08-05 1999-02-23 Kazunari Takagi プラスチックフィルムの製造方法及び製造装置
JP2007167885A (ja) * 2005-12-21 2007-07-05 Univ Meijo プレス工具の表面処理方法および該方法で表面処理されたプレス工具
JP2009090538A (ja) * 2007-10-09 2009-04-30 Sumitomo Electric Ind Ltd プラスチック薄膜の製造方法
JP2014008585A (ja) * 2012-07-02 2014-01-20 Nagamine Seisakusho:Kk 多孔プレート製造工具、多孔プレートの製造方法および多孔プレート

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CN110475651A (zh) 2019-11-19
KR20190133234A (ko) 2019-12-02
JP2018167351A (ja) 2018-11-01

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