WO2001091212A1 - Thin, meshy porous body and method of manufacturing the porous body - Google Patents
Thin, meshy porous body and method of manufacturing the porous body Download PDFInfo
- Publication number
- WO2001091212A1 WO2001091212A1 PCT/JP2000/003301 JP0003301W WO0191212A1 WO 2001091212 A1 WO2001091212 A1 WO 2001091212A1 JP 0003301 W JP0003301 W JP 0003301W WO 0191212 A1 WO0191212 A1 WO 0191212A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- porous body
- opening
- thin
- tip
- mesh
- Prior art date
Links
Classifications
-
- 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
-
- 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
- B21D13/00—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form
- B21D13/04—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form by rolling
-
- 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
- B21D31/04—Expanding other than provided for in groups B21D1/00 - B21D28/00, e.g. for making expanded metal
- B21D31/046—Expanding other than provided for in groups B21D1/00 - B21D28/00, e.g. for making expanded metal making use of rotating cutters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/34—Gastight accumulators
- H01M10/345—Gastight metal hydride accumulators
-
- 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
- H01M4/66—Selection of materials
- H01M4/661—Metal or alloys, e.g. alloy coatings
-
- 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
- H01M4/66—Selection of materials
- H01M4/668—Composites of electroconductive material and synthetic resins
-
- 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
- H01M4/66—Selection of materials
- H01M4/669—Steels
-
- 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 thin mesh-like metal, resin, or paper porous body used for a battery electrode core material, various filter materials, and the like, and a method for producing the same.
- porous electrodes such as nickel-hydrogen batteries
- a thin metal porous body used for various types of finolators such as air filters and oil / remist filters.
- Punching metal and foaming metal are conventionally used as a core material for porous electrodes such as nickel-hydrogen batteries, and as a thin metal porous body used for various types of finolators such as air filters and oil / remist filters. , Punching metal and foaming metal.
- punching metal has the advantage that the skeleton is made by press working, has the advantage of high tensile strength, and the skeleton is solid and has good continuous workability.
- the volume of the active material being reduced, the weight occupying the electrode core material being heavy, and it being difficult to process fine pores and fine pitches.
- foamed metal for example, is made by electroless plating on a base material such as urethane foam to impart conductivity, then performs electroplating, and then decomposes and removes the base material As a result, three-dimensional continuous pores are formed, which enables the active material to be filled at a high density when used for the battery electrode core material, but the skeleton is thin and brittle.
- the disadvantages are that it is difficult to handle and that the skeleton is very fine fibrous, which makes it difficult to obtain flatness, and that the manufacturing process is complicated and takes a long time, making it difficult to manufacture long materials. is there.
- an object of the present invention to provide a lightweight thin mesh metal, resin or paper porous body having a three-dimensional structure, a high voidage, a fine pitch, a fine mouth, a solid skeleton, and a solid skeleton. is there.
- Another object of the present invention is to provide a method for producing a thin mesh-like porous material made of metal, resin or paper, which can continuously process a long thin porous material. Disclosure of the invention
- the thin reticulated porous body of the present invention is embossed on the front and back surfaces of a thin metal, resin or paper board material such that pyramid-shaped concavo-convex portions such as pyramids and cones are opposite to each other, and at least one side is convex.
- An opening is provided at the tip of the part.
- the conical concave and convex portions formed on the front and back surfaces so as to be opposite to each other, and at least the tip of each convex portion on one side. Due to the openings provided, the cross-section is three-dimensional and the void ratio is high, and the skeleton is solid despite being extremely thin and lightweight.
- the concavo-convex portion can provide a porous body having a fine pitch and a fine mouth.
- the metal porous body in the form of a thin mesh which has a three-dimensional structure, a high porosity, and is extremely thin and light
- a core material for a porous electrode such as a nickel-hydrogen battery
- the amount of the active material charged is The capacity can be increased, the capacity can be increased, and the conductivity with the active material can be improved. And a high output is obtained.
- the above-mentioned core material for a porous electrode having a solid skeleton can sufficiently withstand volume expansion during the charge / discharge process, and further swirls or bends according to the round or square shape of the battery. Or cracks or breakage.
- a porous material made of fine pitch, fine mouth metal, resin or paper can be obtained, it is suitably used for various filter materials, supports for industrial deodorizing catalysts, and the like.
- a thin metal, resin or paper board material is passed between a pair of embossing rolls rotating in opposite directions so that a large number of conical projections on each surface mesh with each other.
- the conical concave portions are embossed on the front and back surfaces of the thin plate material so that they are opposite to each other, and at least an opening is provided at the tip of the convex portion on one side.
- FIG. 1 is a plan view of a part of the porous body.
- FIG. 2 is an enlarged plan view of a part of the porous body.
- FIG. 3 is a cross-sectional view taken along line ⁇ in FIG.
- FIG. 4 is a sectional view taken along the line BB in FIG.
- FIG. 5 is a front view of a pair of embossing rolls used in the method for manufacturing a porous body.
- Fig. 6 is a cross-sectional view of the facing part of the pair of embossing rolls shown in Fig. 5. It is. BEST MODE FOR CARRYING OUT THE INVENTION
- a thin mesh-like porous metal body 10 of the present invention is made of iron, stainless steel, nickel, copper, aluminum, or the like.
- a thin metal plate 11 such as a rim is embossed on the front and back surfaces of the pyramid-shaped IH projections 12 and 13 such as a quadrangular pyramid, a triangular pyramid and a circular pyramid so that they are opposite to each other.
- an opening 14 is provided at the tip of the convex portion 3 on one side, as shown in the example of the drawing, so that it has a net-like shape as a whole.
- An opening 14 can be provided at the tip of not only the upper part 13 on one side but also all the convex parts 13 on both sides.
- the thickness of the thin metal sheet 11 is 80 wm or less, preferably 10 to 50 ⁇ m.
- the opening 14 of the convex portion 13 is formed in a substantially square shape in the illustrated example.
- the vertical length (Y) is 360 to 51 ⁇
- the horizontal length (X) is 365 to 51 0 m
- the aperture ratio is 45 to 60%.
- a pair of upper and lower embosses which rotate in opposite directions so that a large number of conical projections 1 on their respective surfaces engage with each other, as shown in FIGS.
- the conical concave and convex portions 1 2 and 13 on the front and back surfaces of the metal plate 11 are reversed.
- the tip of the projection 13 on at least one side is pierced by the tip of the conical projection 15 to provide an opening 14 at the tip of the projection 13.
- the pyramidal projections 15 attached to the embossing rolls 16 and 17 are formed into quadrangular pyramids, triangular pyramids, cones, and the like.
- the pyramidal projection 15 has a quadrangular pyramid shape
- the quadrangular pyramid-shaped circuit portions 12 and 13 are formed, and at the same time, the tip of the convex portion 13 is formed at the tip of the pyramidal projection 5.
- An opening 14 having a substantially square shape is provided by being pierced at the end, and the projection 13 at this time has a petal shape that expands the four petals 13a.
- Such a porous metal body 10 is embossed so that the concave and convex portions 12 and 13 are opposite to each other on the front and back surfaces, and an opening 14 is formed at the tip of the convex portion 13. Therefore, if the thickness of the metal plate 11 is 10 to 50 / zm, the cross-sectional structure can be made three-dimensional to about 550 m thick (H) (see Fig. 3), and the space factor can be reduced. A high porous metal body 10 can be obtained. Therefore, when this metal porous body 10 is used as a core material for a porous electrode of an Eckel monohydrogen battery, a lithium ion battery, a lithium polymer battery, a nickel monolithium battery, etc.
- a metal porous body having a fine mouth can be obtained with a fine pitch
- a core material for a porous electrode for example, an air filter or an oil filter, which is a vaporization promoting component of a kerosene fan heater, for example.
- Min It is suitably used for various filter materials such as separator filters, as well as carriers for industrial deodorizing catalysts and various electromagnetic wave shielding materials.
- the porous body is not limited to a metal body, and can be similarly applied to a resin or paper porous body.
- the iron (SPCC) metal plate 11 with a thickness of 25 ⁇ is embossed so that the pyramid-shaped irregularities 1 2 and 13 on the front and back sides are opposite to each other, and only on one side.
- a substantially rectangular opening 14 is provided at the tip of the convex portion 13 of FIG.
- the diameter of the opening 14 is the vertical length ( ⁇ ) force S 32.8 .9 ⁇ m
- the horizontal length (X) is 38.0.
- the opening ratio is 54.03%
- Later thickness (H) (see Fig. 3) Force S490.2 ⁇ m.
- a square pyramid-shaped [ ⁇ convex portion 12, 13] is formed on the front and back surfaces of a metal plate 11 made of iron (SPCC) 11 having a thickness of 25 ⁇ so that it is opposite to each other.
- SPCC iron
- a substantially rectangular opening 14 is provided at the tip of the projection 13 on one side only. In that case, the diameter of the opening 14 is such that the vertical length ( ⁇ ) is 507.3 ⁇ m, the horizontal length (X) is 54.6 ⁇ , the aperture ratio is 54.03%, The thickness (H) after processing is 490.2 ⁇ m.
- the metal plate material 11 made of aluminum foil with a thickness of 40 ⁇ is embossed on the front and back sides of the pyramid-shaped irregularities 1 2 and 13 on the front and back so that they are opposite to each other. Touch the tip of the projection 13 A rectangular opening 14 is provided. In that case, the diameter of the opening 14 is such that the vertical length (Y) is 365.9 zm, the horizontal length (X) is 365.9 yum, and the aperture ratio is 49.57%.
- the thickness (H) after processing is 478.0 m.
- a metal plate 11 made of aluminum foil with a thickness of 40 ⁇ m square pyramid-shaped irregularities 12 and 13 are embossed on the front and back surfaces of the metal plate 11 so that they are opposite to each other.
- a substantially square opening 14 is provided at the tip of the projection 13.
- the diameter of the opening 14 is a vertical length (Y) force S4 2.9 m
- a horizontal length (X) is 480.5 ⁇
- an opening ratio is 49.57%
- the thickness ( ⁇ 3 ⁇ 4) after the addition is 478.
- a 20 / im-thick rolled copper foil metal plate 11 is embossed on the front and back sides of the pyramid-shaped irregularities 1 2 and 1 3 so that they are opposite to each other.
- a substantially rectangular opening 14 is provided at the tip of the part 13.
- the diameter of the opening 14 is a vertical length (Y) force S 49.8 ⁇ , a horizontal length (X) force 40.0 ⁇ m, and the aperture ratio is 54.28. %, And the thickness (H) force after processing is S485.4 / ⁇ .
- the thin mesh-like porous body of the present invention can be suitably used for a battery electrode core material, various filter materials, and the like.
- mass production can be easily performed by continuous addition.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2000/003301 WO2001091212A1 (en) | 2000-05-24 | 2000-05-24 | Thin, meshy porous body and method of manufacturing the porous body |
EP00929843A EP1289034B1 (en) | 2000-05-24 | 2000-05-24 | Thin, meshy porous body and method of manufacturing the porous body |
DE60044616T DE60044616D1 (de) | 2000-05-24 | 2000-05-24 | Dünner, netzartig poröser körper und herstellungsverfahren dafür |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2000/003301 WO2001091212A1 (en) | 2000-05-24 | 2000-05-24 | Thin, meshy porous body and method of manufacturing the porous body |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001091212A1 true WO2001091212A1 (en) | 2001-11-29 |
Family
ID=11736060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2000/003301 WO2001091212A1 (en) | 2000-05-24 | 2000-05-24 | Thin, meshy porous body and method of manufacturing the porous body |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1289034B1 (ja) |
DE (1) | DE60044616D1 (ja) |
WO (1) | WO2001091212A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003033725A (ja) * | 2001-07-24 | 2003-02-04 | Nagasawa Wire Cloth Co | 金網と、金網製フィルターと、振動篩い機 |
FR2848481A1 (fr) * | 2002-12-17 | 2004-06-18 | Hitachi Maxell | Corps metallique poreux pour electrodes et filtres |
JP2009178734A (ja) * | 2008-01-30 | 2009-08-13 | Hitachi Cable Ltd | 金属箔材の製造方法 |
JP2010082659A (ja) * | 2008-09-30 | 2010-04-15 | Panasonic Corp | 金属シート成形用ロールおよび金属シートの成形方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0679066U (ja) * | 1993-04-15 | 1994-11-04 | 株式会社ユアサコーポレーション | ペースト式電極 |
JPH07335208A (ja) * | 1994-06-10 | 1995-12-22 | Matsushita Electric Ind Co Ltd | 電池用塗着式電極およびその製造方法 |
JPH11185763A (ja) * | 1997-12-25 | 1999-07-09 | Matsushita Electric Ind Co Ltd | 電池用電極芯板とその製造方法および電池 |
JPH11257048A (ja) * | 1998-03-12 | 1999-09-21 | Nisshin Steel Co Ltd | ディーゼルエンジン用金属製フィルタ |
JP2000048823A (ja) * | 1998-05-29 | 2000-02-18 | Matsushita Electric Ind Co Ltd | 非焼結式電極およびその製造方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1032006A (ja) * | 1996-05-17 | 1998-02-03 | Katayama Tokushu Kogyo Kk | 電池電極基板用金属シートおよび該金属シートを用いた電池用電極 |
JP3481797B2 (ja) * | 1996-10-03 | 2003-12-22 | 片山特殊工業株式会社 | 電池電極用基板の製造方法および電池電極用基板 |
-
2000
- 2000-05-24 EP EP00929843A patent/EP1289034B1/en not_active Expired - Lifetime
- 2000-05-24 WO PCT/JP2000/003301 patent/WO2001091212A1/ja active Application Filing
- 2000-05-24 DE DE60044616T patent/DE60044616D1/de not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0679066U (ja) * | 1993-04-15 | 1994-11-04 | 株式会社ユアサコーポレーション | ペースト式電極 |
JPH07335208A (ja) * | 1994-06-10 | 1995-12-22 | Matsushita Electric Ind Co Ltd | 電池用塗着式電極およびその製造方法 |
JPH11185763A (ja) * | 1997-12-25 | 1999-07-09 | Matsushita Electric Ind Co Ltd | 電池用電極芯板とその製造方法および電池 |
JPH11257048A (ja) * | 1998-03-12 | 1999-09-21 | Nisshin Steel Co Ltd | ディーゼルエンジン用金属製フィルタ |
JP2000048823A (ja) * | 1998-05-29 | 2000-02-18 | Matsushita Electric Ind Co Ltd | 非焼結式電極およびその製造方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1289034A4 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003033725A (ja) * | 2001-07-24 | 2003-02-04 | Nagasawa Wire Cloth Co | 金網と、金網製フィルターと、振動篩い機 |
FR2848481A1 (fr) * | 2002-12-17 | 2004-06-18 | Hitachi Maxell | Corps metallique poreux pour electrodes et filtres |
US6994902B2 (en) | 2002-12-17 | 2006-02-07 | Hitachi Maxell, Ltd. | Metallic porous body |
JP2009178734A (ja) * | 2008-01-30 | 2009-08-13 | Hitachi Cable Ltd | 金属箔材の製造方法 |
JP2010082659A (ja) * | 2008-09-30 | 2010-04-15 | Panasonic Corp | 金属シート成形用ロールおよび金属シートの成形方法 |
Also Published As
Publication number | Publication date |
---|---|
DE60044616D1 (de) | 2010-08-12 |
EP1289034A1 (en) | 2003-03-05 |
EP1289034B1 (en) | 2010-06-30 |
EP1289034A4 (en) | 2006-11-22 |
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