WO2018180791A1 - Moule - Google Patents

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Publication number
WO2018180791A1
WO2018180791A1 PCT/JP2018/011087 JP2018011087W WO2018180791A1 WO 2018180791 A1 WO2018180791 A1 WO 2018180791A1 JP 2018011087 W JP2018011087 W JP 2018011087W WO 2018180791 A1 WO2018180791 A1 WO 2018180791A1
Authority
WO
WIPO (PCT)
Prior art keywords
mold
active material
material layer
flat plate
protrusion
Prior art date
Application number
PCT/JP2018/011087
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 CN201880022659.3A priority Critical patent/CN110476276A/zh
Priority to KR1020197032049A priority patent/KR20190133748A/ko
Publication of WO2018180791A1 publication Critical patent/WO2018180791A1/fr

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Classifications

    • 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
    • H01M4/04—Processes of manufacture in general
    • 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 present invention relates to a mold for forming an opening in an active material layer constituting an electrode of a secondary battery or the like.
  • Patent Document 1 an opening is formed by chemical etching or a mechanical method in which an opening is formed by causing a tip to be sharp like a needle or by causing particles to collide with an active material layer at high speed.
  • Patent Document 2 it is described that an opening is formed using a flat plate press having projections.
  • JP 2007-250510 A Japanese Patent No. 5633751
  • the openings are formed by the method of colliding the particles at high speed, laser processing and etching processing, the number of work steps becomes relatively large, the work itself becomes difficult, and the cost of forming the openings is relatively high.
  • the protrusion is worn. When such wear occurs, it is necessary to replace the mold itself, which increases the cost of the mold and the maintenance cost.
  • the projection is pressed against the active material layer to form an opening, the projection may not be removed from the active material layer. If force is applied to remove the mold from the active material layer, There is a risk of damage to the material layer and mold protrusion.
  • the present invention has been made in view of such a problem, and an object of the present invention is to provide a mold having excellent durability and capable of forming an opening while preventing the active material layer from being damaged. It is to provide.
  • the mold of the present invention is a mold for forming a plurality of openings in the active material layer of the battery electrode, and a flat plate portion made of a metal having a hardness of HV650 or less, A plurality of frustum-shaped protrusions that are integrally formed so as to protrude from the surface of the flat plate portion, and each of the plurality of protrusion portions is made of the same metal as the material of the flat plate portion.
  • the surface area of the upper surface located at the tip is 20 ⁇ m 2 or more, including inclined side surfaces that are inclined at 5 to 20 degrees with respect to the direction orthogonal to the surface of the flat plate portion.
  • 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. 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.
  • 5 is an enlarged cross-sectional view of a mold according to Example 2.
  • 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 a protrusion formed on the mold according to the first embodiment.
  • the mold 10 according to the first embodiment includes a rectangular parallelepiped flat plate portion 11 and a plurality of protrusions 12 formed on the first surface 11 a side of the flat plate portion 11. .
  • the protruding portion 12 protrudes from the first surface 11a of the flat plate portion 11, and becomes a portion that presses the workpiece and forms an opening.
  • 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 battery electrode 23 in a state where the active material layer 21 is formed on the surface of the current collector foil 22 is used.
  • the material layer 21 is placed on the support base 24 so as to face the mold 10, and the battery electrode 23 is sandwiched between the mold 10 and the support base 24. Then, by sandwiching the battery electrode 23 between the mold 10 and the support 24, the protrusion 12 and the active material layer 21 are in contact with each other, and a plurality of openings are formed in the active material layer 21 at the same time.
  • the opening in the present invention is a so-called recess without penetrating the active material layer 21.
  • the thickness of the active material layer 21 that is the processing target of the mold 10 according to Example 1 is preferably 10 ⁇ m or more.
  • the reason for this is that when a secondary battery is formed using the battery electrode 23, the depth is 10 ⁇ m or more so that the electrolytic solution penetrates into the active material layer 21 to improve the performance of the secondary battery. This is because it is necessary to form an opening. Further, if a hole that penetrates the active material layer 21 is formed, the active material layer 21 may be peeled off. Therefore, the minimum thickness at which the through hole is not formed is set to 10 ⁇ m.
  • the current collector foil 22 for example, copper, aluminum, titanium, nickel (including these alloys), stainless steel, or the like is used.
  • the thickness of the current collector foil 22 is generally selected in the range of 5 to 40 ⁇ m, but can be appropriately changed according to the characteristics required for the secondary battery.
  • the mold 10 is formed by applying a general electroforming technique to a mother mold made of a resin material in which a recess corresponding to the protrusion 12 is 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 32 protrusions 12 are arranged in a matrix (4 rows ⁇ 8 columns).
  • the interval between the protrusions 12 is preferably 250 ⁇ m or less, and more preferably 100 ⁇ m or less. That is, the formation density of the protrusions 12 is preferably 16 pieces / mm 2 or more, and more preferably 100 pieces / mm 2 or more.
  • Example 1 the formation density of the protrusions 12 is set to 16 pieces / mm 2 or more, while reducing the number of times the certain region of the active material layer 21 is pressed by the mold 10. More openings are formed at the same time so that the reliability as the battery electrode 23 can be maintained.
  • the number and arrangement of the protrusions 12 are not limited to the above-described contents, and can be appropriately changed according to the number of openings formed in the active material layer 21 and the formation location.
  • the protrusions 12 may be randomly arranged so that the intervals between the protrusions 12 are different without being regularly arranged like a matrix.
  • the height of the protrusion 12 is preferably 20 ⁇ m or more.
  • the reason for setting the height of the protrusion 12 in this way is that when a secondary battery is formed using the battery electrode 23, the electrolytic solution penetrates into the active material layer 21 to improve the performance of the secondary battery. In order to achieve this, it is necessary to form an opening having a depth of 10 ⁇ m or more, and therefore it is important that the height of the protrusion 12 is 10 ⁇ m or more. Furthermore, although an opening having a depth of 10 ⁇ m or more can be formed when the height of the protrusion 12 is 10 ⁇ m or more and less than 20 ⁇ m, depending on the adjustment accuracy of the pressing amount of the mold 10, the protrusion 12 is not formed.
  • the height of the protrusion 12 is set as described above. It is preferable to do.
  • 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 protrusion 12a includes an inclined side surface 12c that is inclined at 5 degrees or more and 20 degrees or less with respect to a direction orthogonal to the first surface 11a of the flat plate section 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 reason for setting such an inclination angle ⁇ is that when the inclination angle is less than 5 degrees, when the opening is formed in the active material layer 21 by the mold 10, the protrusion 12 is easily caught on the active material layer 21, This is because there is a possibility that the protruding portion 12 cannot be removed from the active material layer 21.
  • the active material layer 21 when the inclination angle is 20 degrees or more, an area where the active material layer 21 is pressed (pressed area) with respect to the formation of one opening increases, and the active material layer 21 may peel from the current collector foil 22. Because. By reducing the catching of the protrusions 12 and the separation of the active material layer 21, the active material layer 21 is prevented from being damaged and the reliability of the secondary battery is deteriorated, and the friction of the inclined side surface 12 c is further reduced. Damage is prevented and the durability of the mold 10 is improved.
  • the diameter 2r of the upper surface of the protruding portion 12a (that is, the diameter 2r of the top portion 12b) is preferably 5 ⁇ m or more and 20 ⁇ m or less.
  • the surface area of the upper surface of the projecting portion 12a is about 20 [mu] m 2 or more 320 .mu.m 2 or less. This is based on the result of calculating the minimum surface area and the maximum surface area of the upper surface of the protrusion 12a because the diameter 2r of the upper surface of the protrusion 12a is 5 ⁇ m or more and 20 ⁇ m or less.
  • the reason for setting in this way is that the protrusion 12 is easily broken when the diameter is less than 5 ⁇ m, and the active material layer 21 is easily peeled from the current collector foil 22 when the opening is formed when the diameter is larger than 20 ⁇ m.
  • the surface area of the upper surface of the protruding portion 12a is 20 ⁇ m 2 or more, and the set value is the above-described protruding portion 12a. This is consistent with the result of calculating the minimum surface area of the upper surface of the film, and no contradiction occurs. Therefore, in the first embodiment, it is necessary that the surface area of the upper surface of the protrusion 12a is 20 ⁇ m 2 or more, and the diameter 2r of the upper surface of the protrusion 12a is 5 ⁇ m or more and 20 ⁇ m or less (that is, the upper surface of the protrusion 12a).
  • the surface area of is set to about 20 [mu] m 2 or more 320 .mu.m 2 or less).
  • the top portion 12b is formed on the upper surface of the protruding portion 12a, but there is no step between the top portion 12b and the protruding portion 12a. That is, the convex curved surface of the top portion 12b is smoothly continuous with the inclined side surface 12c of the protruding portion 12a. Due to the shape of the top portion 12b, the diameter 2r of the top portion 12b is the same as the diameter 2r of the upper surface of the protruding portion 12a, and the top portion 12b is a hemisphere having a diameter of 2.5 ⁇ m or more.
  • the force applied to the tip of the protrusion 12 only occurs in the extending direction of the protrusion 12 (that is, the direction orthogonal to the first surface 11a).
  • the force applied to the active material layer 21 acts in a complicated manner, and the force is also generated in the direction orthogonal to the extending direction of the protrusion 12.
  • the hemispherical top part 12b as described above is provided to disperse the stress applied to the tip of the projection part 12 when the active material layer 21 is pressed, thereby preventing the projection part 12 from being worn.
  • a concave portion corresponding to the protrusion 12 is 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 concave portion needs to be processed with extremely high accuracy and fineness so that the various shapes and dimensions of the protrusion 12 and the above-described concave portion can be realized.
  • a general electroforming technique is applied to the mother die in which the concave portion is formed, and the metal die 10 corresponding to the mother die is formed. Then, the mold 10 is completed by separating the mold 10 from the mother mold.
  • 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. 5 to FIG.
  • or FIG. 7 is an expansion perspective view of the protrusion part of the metal mold
  • 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 not less than 5 degrees and not more than 20 degrees, the protrusion 32 may be caught by the active material layer 21 with respect to the active material layer 21. Thus, the damage of the active material layer 21 can be prevented and the durability of the mold 10 can be improved.
  • the surface area of the upper surface of the protrusion 32 to 20 ⁇ m 2 or more and setting the diameter 2r of the upper surface of the protrusion 32 to 5 ⁇ m or more and 20 ⁇ m or less, wear of the tip of the protrusion 32 is prevented, The active material layer 21 is also prevented from peeling off.
  • a triangular pyramid-shaped protrusion 42 may be formed. That is, the shape of the portion that presses the active material layer 21 is not limited to the truncated cone, and may be various types of truncated pyramids. Even in such a case, if the inclination angle ⁇ of the inclined side surface of the protrusion 42 is not less than 5 degrees and not more than 20 degrees, the protrusion 42 may be caught by the active material layer 21 with respect to the active material layer 21. Thus, the damage of the active material layer 21 can be prevented and the durability of the mold 10 can be improved.
  • the protrusions 42 can be easily formed by linear machining.
  • a protrusion 52 having a shape in which a side of the quadrangular pyramid is chamfered may be formed.
  • FIG. 8 is an enlarged cross-sectional view of the mold 110 according to the second embodiment.
  • 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.
  • the protrusion 112 is provided.
  • 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 projecting portion 112 is located on the flat plate portion 111 side, the projecting portion 112 a and the tip of the projecting portion 112, and has a convex curved surface shape.
  • the top part 112b is formed.
  • the shape of the protrusion part 112a is a truncated cone shape, and the shape of the top part 112b is hemispherical.
  • the mold 110 according to the second embodiment has a coating layer 130 formed on the first surface 110a. That is, in the mold 110, the flat surface of the flat plate portion 111 (the surface on which the protrusion 112 is not formed) and the surface of the protrusion 112 (the convex curved surfaces of the inclined side surface 112 c and the top portion 112 b) are protected by the covering layer 130. ing.
  • the layer thickness of the coating layer 130 is several ⁇ m, but can be appropriately changed according to the material and thickness of the active material layer 21 and the material of the coating layer 130.
  • 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.
  • a first aspect of the present invention is a mold for forming a plurality of openings in an active material layer of a battery electrode, the flat plate portion made of a metal having a hardness of HV650 or less, the material of the flat plate portion, A plurality of frustum-shaped protrusions made of the same metal and integrally formed so as to protrude from the surface of the flat plate portion, and each of the plurality of protrusion portions is a surface of the flat plate portion
  • the surface area of the upper surface located at the tip is 20 ⁇ m 2 or more, including an inclined side surface that is inclined at 5 degrees or more and 20 degrees or less with respect to a direction orthogonal to the direction.
  • the thickness as a whole can be about 500 micrometers, and curvature is prevented.
  • the inclined side surface of the protruding portion is inclined at 5 degrees or more and 20 degrees or less with respect to the direction orthogonal to the surface of the flat plate portion, when pulling out the protruding portion that pressed the active material layer from the active material layer, The protrusion is reduced from being caught by the active material layer, and the active material layer is prevented from being damaged, and the frictional damage of the inclined side surface is prevented, thereby improving the durability of the mold.
  • the surface area of the upper surface located at the tip of the protrusion is 20 ⁇ m 2 or more, the formation of the protrusion is facilitated and wear of the tip of the protrusion due to contact with the active material layer is prevented. Become.
  • each of the plurality of protrusions has a top portion having a convex curved surface formed at the tip thereof.
  • each of the plurality of protrusions has a truncated cone shape in which the upper surface located at the tip has a diameter of 5 ⁇ m to 20 ⁇ m. It is to prepare. Thereby, there is no pointed portion on the side surface of the protruding portion, the wear of the protruding portion itself is prevented, and the durability of the mold is improved. Further, when the opening is formed in the active material layer, the protrusion is prevented from being broken and the active material layer is prevented from peeling off from the current collector foil.
  • the top portion has a hemispherical shape with a diameter of 5 ⁇ m or more.
  • each of the plurality of protrusions has a truncated pyramid shape.
  • an opening can be easily formed in the active material layer.
  • the protrusions can be easily formed even by linear machining.
  • each of the plurality of protrusions has a shape in which a side of the pyramid is chamfered. Thereby, there is no pointed portion on the side surface of the protruding portion, the wear of the protruding portion itself is prevented, and the durability of the mold is improved.
  • the surface of the plurality of protrusions is mainly made of the same metal as the material of the protrusions, and the material of the protrusions. That is, a coating layer made of an alloy having a higher hardness is formed.
  • the processed surface for forming the opening in the active material layer is covered with a harder material, the wear of the protrusion can be prevented, and the durability of the mold itself can be further improved. it can.
  • the adhesiveness of a protrusion part and a coating layer can be improved, and peeling of the coating layer at the time of use of a metal mold
  • the formation density of the protrusions on the surface of the flat plate portion is 16 pieces / mm 2 or more. .
  • the height of the protruding portion is 20 ⁇ m or more.
  • transmit the electrolyte solution to an active material layer and can aim at the performance of a secondary battery can be formed easily.
  • the active material layer is pressed by the mold, it is possible to prevent the region of the flat plate portion where the protruding portion is not formed from coming into contact with the active material layer and compressing the active material layer as a whole.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Cell Electrode Carriers And Collectors (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

La présente invention concerne un moule, permettant de former de multiples ouvertures dans une couche de substance active d'une électrode de batterie, qui comprend une partie de plaque plate formée à partir d'un métal ayant une dureté inférieure ou égale à HV 650, et de multiples saillies de forme tronconique fabriquées à partir du même métal que le matériau de la partie de plaque plate et faisant partie intégrante de manière à faire saillie de la surface de la partie de plaque plate, chacune des multiples saillies ayant une surface latérale inclinée qui est inclinée de 5 à 20° par rapport à la direction orthogonale à la surface de la partie de plaque plate, et la surface de la surface supérieure située au niveau de la pointe étant supérieure ou égale à 20 μm2.<sp />
PCT/JP2018/011087 2017-03-29 2018-03-20 Moule WO2018180791A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201880022659.3A CN110476276A (zh) 2017-03-29 2018-03-20 模具
KR1020197032049A KR20190133748A (ko) 2017-03-29 2018-03-20 금형

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-066018 2017-03-29
JP2017066018A JP2018170143A (ja) 2017-03-29 2017-03-29 金型

Publications (1)

Publication Number Publication Date
WO2018180791A1 true WO2018180791A1 (fr) 2018-10-04

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JP (1) JP2018170143A (fr)
KR (1) KR20190133748A (fr)
CN (1) CN110476276A (fr)
WO (1) WO2018180791A1 (fr)

Citations (7)

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JPH0541211A (ja) * 1991-08-02 1993-02-19 Matsushita Electric Ind Co Ltd 密閉電池
JP2000268847A (ja) * 1999-03-16 2000-09-29 Sanyo Electric Co Ltd アルカリ蓄電池およびその製造方法
JP2002015764A (ja) * 2000-06-29 2002-01-18 Mitsubishi Electric Corp 電池並びに、この電池の電極成形方法及び電極成形装置
JP2002251991A (ja) * 2001-02-23 2002-09-06 Mitsubishi Materials Corp リチウムイオンポリマー二次電池及びその製造方法
WO2008053880A1 (fr) * 2006-10-30 2008-05-08 Panasonic Corporation Cellule secondaire et son procédé de fabrication
JP2012190625A (ja) * 2011-03-10 2012-10-04 Hitachi Ltd 非水二次電池
JP2014218026A (ja) * 2013-05-09 2014-11-20 日本写真印刷株式会社 錐体状突起成形型製造用金型及び樹脂製錐体状突起成形型の製造方法

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JPS5633751A (en) 1979-08-27 1981-04-04 Fujitsu Ltd Reading control system
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
JP2007250510A (ja) 2006-02-15 2007-09-27 Sanyo Electric Co Ltd リチウム二次電池用電極及びリチウム二次電池
WO2011033584A1 (fr) * 2009-09-18 2011-03-24 株式会社 東芝 Moule
JP5458357B2 (ja) * 2009-11-30 2014-04-02 昭和精工株式会社 多孔金属箔のロール成形装置
TW201141340A (en) * 2009-12-28 2011-11-16 Fujikura Ltd Die and manufacturing method therefor
TWI700847B (zh) * 2015-09-10 2020-08-01 日商王子控股股份有限公司 有機發光二極體製造用之模具

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0541211A (ja) * 1991-08-02 1993-02-19 Matsushita Electric Ind Co Ltd 密閉電池
JP2000268847A (ja) * 1999-03-16 2000-09-29 Sanyo Electric Co Ltd アルカリ蓄電池およびその製造方法
JP2002015764A (ja) * 2000-06-29 2002-01-18 Mitsubishi Electric Corp 電池並びに、この電池の電極成形方法及び電極成形装置
JP2002251991A (ja) * 2001-02-23 2002-09-06 Mitsubishi Materials Corp リチウムイオンポリマー二次電池及びその製造方法
WO2008053880A1 (fr) * 2006-10-30 2008-05-08 Panasonic Corporation Cellule secondaire et son procédé de fabrication
JP2012190625A (ja) * 2011-03-10 2012-10-04 Hitachi Ltd 非水二次電池
JP2014218026A (ja) * 2013-05-09 2014-11-20 日本写真印刷株式会社 錐体状突起成形型製造用金型及び樹脂製錐体状突起成形型の製造方法

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CN110476276A (zh) 2019-11-19
KR20190133748A (ko) 2019-12-03
JP2018170143A (ja) 2018-11-01

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