JP2001143713A - Porous metal and method of producing the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a porous metal having a fibrous metal joined with a nearly uniform density throughout a metal substrate, and also a method of mass-producing the porous metal with high reproducibility. SOLUTION: Disclosed herein is a porous metal having a metal substrate 1 and plural fibrous metal 2 joined on the surface of the porous metal 1 in a desires arrangement and fixed thereto. The respective intervals between two metal strands adjacent to each other are almost uniform and the number of the strands per a unit area of the metal substrate 1 is nearly uniform. In this metal porous body, a metal containing resin fiber 5 is adhered to the metal substrate 1 in a state where it was guided into arranging holes 27b, 48c and 51b using arranging mask bodies 27, 48 and 51. In the arranging mask bodies, the respective intervals between two holes adjacent to each other of the arranging holes 27b, 48c, and 51b are almost uniform. The metal containing resin fiber 5 becomes the fibrous metal 2 after subjected to calcination and sintering.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a metal porous body which can be suitably used as a core material of an electrode plate in a secondary battery such as a lithium ion secondary battery, a nickel hydrogen storage battery or a nickel cadmium battery. TECHNICAL FIELD The present invention relates to a manufacturing method capable of suitably manufacturing a body.

[0002]

2. Description of the Related Art Porous metal bodies are widely used in mechanical parts and various other industrial fields, and have been produced by various methods. In the past, there has been a manufacturing method of forming and sintering a metal powder by a raw material powder filling sintering method or a powder compression sintering method, and in recent years, a plating method has been applied to a skeleton surface of a three-dimensional mesh-shaped sponge-like foam such as urethane. And a method of dipping a foam in a slurry in which metal powder is dispersed is generally adopted. Further, a method of forming a felt-like nonwoven fabric in which fibrous metals are entangled irregularly (see Japanese Patent Application Laid-Open No. 56-88266), and a method of sintering and rolling a stainless steel thin wire assembly (Japanese Patent Application Laid-Open No.
4-16550).

In general, an electrode plate of a battery has a structure in which the above porous metal body is used as a core material and the porous metal body is filled with a positive or negative active material. As the metal porous body for the core material of the electrode plate in a battery in which a chemical reaction occurs, among the various kinds described above, a metal foamed porous body having a three-dimensional network structure has been generally adopted in recent years. ing. As this metal foam porous body,
A sponge-like foam such as a polyurethane sheet in a three-dimensional mesh shape is impregnated with a conductive paint such as carbon, or after being given conductivity by means such as electroless plating, the foam In many cases, a metal is adhered to a skeleton surface of a body by a plating method, and the metal is heated to remove only a sponge-like foam by sintering.

[0004]

However, in the battery using the above-mentioned metal foamed porous body as a core material for an electrode plate, the amount of the active material which becomes a slurry having a relatively high viscosity per unit volume is increased. If the hole for filling the active material in the metal foam porous body is enlarged for the purpose of doing so, the active material filled in the center of the hole and separated from the mesh-like nickel is difficult to use for charging and discharging. In addition, the utilization factor of the active material is reduced, and the discharge characteristics per unit volume of the battery cannot be improved. Conversely, if the shape is such that the pores are small, it is difficult to fill the active material, so the amount of the active material is reduced, and if the porosity is to be increased in order to increase the amount of the active material, nickel is required. And the electric resistance increases, and a sufficient current does not flow. Therefore, a battery constituted by using an electrode plate having this porous metal foam as a core material cannot be used in applications requiring a large current, such as an electric vehicle, an electric tool, or an electric lawn mower.

[0005] Moreover, the above-mentioned metal foamed porous body is expensive due to the use of the plating method in its manufacturing process, as well as its associated equipment and waste liquid treatment, and its large power consumption. . Furthermore, since it is difficult to control the plating conditions, the plating rate cannot be increased, and the productivity cannot be improved. For this reason, the porous metal foam is expensive, and the number of electrode plates used increases, so that a low-cost electrode plate is an essential condition. Can not be used at all.

Accordingly, the applicant of the present application has proposed a three-dimensional shape which can be easily manufactured at low cost and can increase the utilization rate of an active material and extract a large current when used as a core material for a battery electrode plate. Japanese Patent Application Laid-Open Nos. 9-265991, 10-134823, 10
-134824 and JP-A-10-144321).
This porous metal body is obtained by arranging a large number of metal-containing resin fibers, such as nickel fibers, on a metal base plate serving as a main current collector in an arrangement perpendicular to the metal base plate, followed by firing and sintering. Thus, the fibrous metal obtained by changing the metal-containing resin fibers is integrally connected to the metal base plate. When this porous metal body is used as a core material for an electrode of a battery, the porous metal body is shaped like a sword, so that many active materials can be smoothly filled, and a large number of fibrous metals are removed. Since it functions as a current collector for the active material, the utilization factor of the active material is significantly higher than that of the metal foam porous body. Therefore, a battery using the above porous metal body as a core material of an electrode plate is suitable for an application requiring a large current such as an electric vehicle.

However, in the above-described method for producing a porous metal body, when a metal-containing resin fiber is implanted on a metal base plate with an adhesive, an adhesive is applied to the metal base plate to form an adhesive layer. Thereafter, the metal-containing resin fibers are sprayed on the adhesive layer, and a vertical magnetic field is applied to the metal base plate to orient the metal-containing resin fibers in a direction perpendicular to the metal base plate. For this reason, it is very difficult to implant the metal-containing resin fibers while controlling the metal-containing resin fibers so as to have a substantially constant interval or a uniform density over the entire metal base body. In this method, unevenness in density varies depending on the location of the metal base plate, and the arrangement of the fibrous metal is not reproducible. Therefore, in the battery using the porous metal body as a core material of the electrode plate, the conductivity of the active material between the fibrous metals is reduced in a portion where the fibrous metal is too sparse, and the current collection efficiency is poor,
In addition, there is a possibility that a problem that the holding power of the active material is weak may occur.

In view of the above, the present invention has been made in view of the above-mentioned conventional problems, and a metal porous body in which fibrous metals are bonded in an arrangement in which the density is substantially uniform over the entire metal base plate, and the like. It is an object of the present invention to provide a manufacturing method capable of mass-producing a porous metal body having a simple configuration with good reproducibility.

[0009]

Means for Solving the Problems In order to achieve the above object, the porous metal body of the present invention has a structure in which a large number of fibrous metals are set on one or both sides of a metal base plate by an arrangement regulating means. The metal base plates are joined in an arrangement of a predetermined arrangement state, and are fixed in a forest stand state in which the distance between each two adjacent ones is substantially constant and the number of the metal base plates per unit area is substantially constant. And

When the porous metal body is used as a core material for an electrode plate of a battery, the interval between the fibrous metals is substantially uniform over the entire metal base plate, so that the utilization rate of the active material is reduced. Since there is no variation over the entire material plate and it becomes extremely high, and the current collection efficiency becomes uniform without variation over the entire metal base plate, a large current can be taken out.

When a nickel plate or a steel plate obtained by plating a metal plate with nickel is used as the metal base plate in the above invention, it is possible to obtain an electrode plate with further improved conductivity.

On the other hand, if a steel plate obtained by plating a nickel plate with phosphorus or nickel-phosphorus is used as the metal base plate in the above invention, the binding force between the metal base plate and the fibrous metal is enhanced by the presence of phosphorus. In the porous metal body according to the invention, the arrangement structure of the multiple fibrous metals joined to the metal base plate is arranged in the row direction and the column direction, and is arranged in the row direction and the column direction. In the above, it is preferable that a total of four, each two adjacent to each other, form any one of a square, a rectangle, a parallelogram, and a rhombus. Thereby, since the fibrous metal can be joined to the metal base plate in a regular arrangement, the interval between each two fibrous metals existing adjacent to each other is substantially constant over the entire metal base plate. In addition, the fibrous metal can be disposed at a substantially constant density over the entire metal base plate. More preferably, if all three adjacent wires form an equilateral triangle, and a total of six adjacent wires are arranged at equal intervals around a certain one, the fibrous metals are adjacent to each other. The spacing between the two existing metal plates is the same at any point in the entire metal base plate, so that the arrangement is such that the density is accurately constant over the entire metal base plate. This is the most preferable arrangement shape.

In the above invention, the fibrous metal is preferably bonded to the metal base plate in such an arrangement that the distance between two adjacent metals is in the range of 100 to 500 μm. This is because, when the thickness is set to 100 μm or less, the magnetized metal fiber is formed by applying a magnetic field to the metal-containing resin fiber before firing and sintering to form a fibrous metal, and the metal fiber is perpendicular to the metal base plate. Not only is the repulsive force between the resin-containing fibers large and the metal-containing resin fibers cannot be joined at a desired interval, but also when the electrode plate is formed, the space between adjacent fibrous metals is insufficient and the active material is sufficiently reduced. On the other hand, if the spacing is set to 500 μm or more, the retention of the active material by the fibrous metal is reduced when forming the electrode plate, and the active material and the fibrous The electrical resistance between the metals increases, and the current collection efficiency decreases.

Therefore, the interval between the fibrous metals should be 100 to 50.
When the thickness is set to 0 μm, the metal-containing resin fibers can be smoothly bonded to the metal base plate, and when used as a core material for an electrode plate of a battery, each fibrous metal is formed on the metal base plate at an interval as small as possible. Since most of the active material is present near the fibrous metal because it is bonded to the material plate, the metal base plate effectively performs current collection through each fibrous metal, thereby improving current collection efficiency. At the same time, the holding power of the active material by each fibrous metal is improved. More preferably, the thickness is set to 200 to 300 μm.

In the above invention, the fibrous metal is prepared by kneading a metal powder and a binder resin into a long and short fibrous metal-containing resin fiber having a length in the range of 0.5 to 2 mm and an adhesive to the metal base plate. It is preferable that the length is set to 0.2 to 1 mm by a shape change due to a firing and sintering step after bonding. This makes it possible to smoothly fill the active material up to the base of the fibrous metal that is formed in the shape of a sword in the shape of a battery electrode plate. Improvement can be obtained. More preferably, the length is set in the range of 0.7 to 1 mm so that the length becomes 0.3 to 0.6 mm by a shape change.

In the above invention, the fibrous metal is obtained by kneading a metal powder and a binder resin to form a short and long fibrous metal-containing resin fiber with a fiber diameter in a range of 30 to 100 μm to a metal base plate. After that, it is preferable that the fiber diameter is set to 20 to 60 μm by a shape change due to firing and sintering steps. Because, in the production of the porous metal body, in order to secure a fiber diameter of 20 μm in the fibrous metal after firing and sintering the metal-containing resin fiber, the metal-containing resin fiber before the sintering step has a diameter of 30 μm. It is necessary that the metal-containing resin fiber having a fiber diameter of 30 μm or less has a diameter of 1 to 20 μm because nickel particles serving as a metal component of the metal-containing resin fiber are 1 to 20 μm. It is possible.

On the other hand, in order to secure a fiber diameter of 60 μm to the fibrous metal after sintering the metal-containing resin fiber, the metal-containing resin fiber before sintering and sintering must have a fiber diameter of 100 μm.
It is necessary that the metal-containing resin fibers have such a large fiber diameter, and the cost becomes high. When forming the electrode plate, the fiber diameter of the fibrous metal is set to 20 μm.
If it is set below, the bonding strength to the metal base plate is insufficient, and if it is set to 60 μm or more, the fiber diameter is too large and the space for filling the active material cannot be sufficiently secured. Therefore,
In the case of a porous metal body using a fibrous metal having a fiber diameter of 20 to 60 μm, the fibrous metal can be bonded to the metal base plate with sufficient bonding strength, and sufficient for filling the active material. Space can be secured.

In the above invention, a large number of fibrous metals are all inclined at a predetermined angle with respect to the vertical direction of the metal base plate, and are joined to the metal base plate in parallel with each other in a predetermined direction. Configuration can be adopted. Thereby, the interval between each two adjacent fibrous metals is smaller than the joining interval of the fibrous metals on the surface of the metal base plate, and when the electrode plate of the battery is formed, the interval is small. The electric resistance between the respective fibrous metals is reduced by the reduced amount, and the current collection efficiency is improved.

In the above invention, if the nickel particles are interposed between each of a large number of fibrous metals bonded to the metal base plate, an electrode plate with further improved conductivity can be obtained.

In the above invention, the metal base plate in which a large number of fibrous metals are joined in a predetermined arrangement may have a configuration in which a large number of through holes are formed at the non-joining portions of the fibrous metals. it can. The electrode plate formed by using the porous metal body as a core material can remove the distortion of the metal base plate due to the presence of the through-hole, and discharges the electrolyte as the flowability of the electrolytic solution improves through the through-hole. The characteristics are improved. This porous metal body is particularly suitable as a core material for an electrode plate of a spiral type battery.

Further, if burrs are formed at the edge of each through hole having the above configuration, when the electrode plate is formed, the metal base plate performs a current collecting operation through the burrs. Electricity is improved.

Furthermore, if the height of the burrs of the above construction is set shorter than the length of the fibrous metal, the burrs will be embedded in the filled active material when the electrode plate is formed. Can reliably prevent a problem such as a short circuit between the positive electrode plate and the negative electrode plate caused by breaking through the separator.

On the other hand, the metal porous body according to the first invention for producing a three-dimensional pseudo-porous metal porous body in which a large number of fibrous metals are bonded to one or both surfaces of a metal base plate. The production method includes a step of applying an adhesive to the surface of the metal base plate to form an adhesive layer while transferring the metal base plate, and a step of kneading metal powder and a binder resin to form an elongated short fiber. A plurality of arrangement holes through which the metal-containing resin fibers formed can be inserted are arranged in a predetermined arrangement in which the interval between each two adjacent ones is substantially constant. A step of arranging the metal-containing resin fibers so as to face each other at a close position separated by a predetermined distance from the adhesive layer, and introducing the metal-containing resin fibers into each of the arrangement holes, and bonding the tip end of each metal-containing resin fiber to the adhesive. Bonding to the metal base plate by a layer, A step of withdrawing each metal-containing resin fiber on the metal base plate from the alignment hole by separating the arrangement mask body from the metal base plate; A step of integrating each of the fibrous metals formed by changing resin fibers and the metal base plate.

In this method for producing a porous metal body, the joining position of the metal-containing resin fibers on the metal base plate is regulated by the arrangement holes formed in the arrangement mask body, and the metal-containing resin fibers are arranged in the arrangement holes. Can be joined on the metal base plate in the arrangement state as in the above arrangement. Therefore, the porous metal body of the present invention, that is, the fibrous metal is placed in a forested state where the interval between each two adjacent ones is substantially constant and the number of metal base plates per unit area is substantially constant. It is possible to mass-produce with extremely high reproducibility a metal porous body having a pseudo-porous structure in which hairs are implanted.

In the manufacturing method according to the first aspect of the present invention, the arrangement mask body has a plurality of arrangement holes formed in a predetermined arrangement on a bottom plate portion of the container body, and a plurality of the arrangement mask bodies are provided. Are arranged along the transfer direction of the metal base plate in contact with each other, and the arrangement holes are integrated with the metal base body in an arrangement in which the arrangement holes are close to the metal base plate with a predetermined gap therebetween. While moving, the metal-containing resin fibers are introduced into the arrangement holes, and the arrangement mask body in which the introduction of the metal-containing resin fibers has been introduced into all the arrangement holes is removed from the metal base plate. After separating and pulling out the metal-containing resin fibers from the arraying holes, they are conveyed in the opposite direction of the transport direction and sequentially arranged at the rearmost portion of the array of the array masks, and each array is arranged. It is possible to change the arrangement position of the mask body for That.

Thus, a plurality of array masks are
As the metal base plate is transferred, the material located on the front end side is sequentially replaced with the rear end side, so that the metal-containing resin fibers are implanted on the metal base plate while the metal base plate is continuously transferred at a constant speed. Therefore, the metal-containing resin fibers can be efficiently joined to the metal base plate in a predetermined arrangement. Moreover, if the number of array mask bodies is increased,
The transfer speed of the metal base plate can be further increased, and the productivity of the porous metal body can be increased.

In the manufacturing method according to the first aspect of the present invention, the arrangement mask body includes a plurality of arrangement holes formed in a predetermined arrangement on a bottom plate of the container body. The arrangement holes are arranged so as to be close to each other at a predetermined distance with a predetermined gap with respect to the metal base material that is intermittently transferred at a predetermined distance, and a metal-containing resin fiber is introduced into each of the arrangement holes. The arrangement mask body in which the introduction of the metal-containing resin fibers into all the arrangement holes has been completed is separated from the metal base plate by a predetermined distance at which the metal-containing resin fibers withdraw from the arrangement holes. After being separated, means for intermittently transferring the metal base plate by a predetermined distance corresponding to the length of the arrangement mask body can be used.

Thus, the bonding of the metal-containing resin fibers to the metal base plate in a predetermined arrangement can be performed with a simple structure in which only a single arrangement mask body is moved up and down. There is no problem that a non-flocked portion where no metal-containing resin fiber is present is generated at a position of a metal base plate facing a seam of two adjacent mask bodies for arrangement as in the case of using a mask body, There is an advantage that the metal-containing resin fibers can be reliably planted over the entire board.

Further, in the manufacturing method according to the first aspect of the present invention, a part of an arrangement mask body in which a plurality of arrangement holes are formed in a predetermined arrangement in a bottom plate forming an outer peripheral surface of an annular container body. Are arranged so that the arrangement holes are close to each other with a predetermined gap with respect to the metal base plate to be transferred, and a metal-containing resin fiber is introduced into the arrangement holes. Means for rotating in synchronization with the transfer of the substrate body can be employed.

[0030] Thus, a single container having an annular shape can be formed without performing the operation of exchanging the masks for arrangement and the operation of raising and lowering the masks for arrangement as in the case of using the mask for arrangement in container. It is only necessary to rotate the alignment mask body in synchronization with the transfer of the metal base body, and the operation control can be simplified.

In the case where the above-mentioned means is adopted, the arrangement mask is formed in a drum shape in which a plurality of arrangement holes are provided in a bottom plate forming an outer peripheral surface of a circular container body. The body may be rotated at the same rotational speed as the transport speed of the continuously transferred metal substrate body.

In this way, the metal base plate and the mask for arrangement in the form of a drum are continuously transported and rotated together in synchronism with each other, so that the metal-containing resin fibers can be continuously planted on the metal base plate. Thus, a porous metal body can be manufactured with high productivity, and a high-quality porous metal body can be obtained without generating a non-planted portion of a metal-containing resin fiber on a metal base plate.

A three-dimensional pseudo-porous metal porous body according to the second invention for producing a three-dimensional pseudo-porous metal porous body in which a large number of fibrous metals are bonded to one or both surfaces of a metal base plate. In the manufacturing method, while transferring the metal base plate, a large number of granulated adhesives are stippled on the surface of the metal base plate in a predetermined arrangement such that the interval between each two adjacent ones is substantially constant. Applying, kneading a large number of metal powders and a binder resin, dispersing metal-containing resin fibers in the form of elongated short fibers in a perpendicular arrangement to the surface of the metal base plate, and forming the granular adhesive. Bonding the tip of each of the metal-containing resin fibers sprayed on the agent to the metal base plate with the adhesive, and removing the metal-containing resin fibers not bonded to the metal base plate. And the sintering does not change the metal-containing resin fiber. And a step of integrating said each fibrous metal and said metal base plate.

In this method for manufacturing a porous metal body, the bonding position of the metal-containing resin fiber on the metal base plate is regulated by the granular adhesive applied to the metal base plate, and the metal-containing resin fiber is formed into a granular form. Bonding can be performed on the metal base plate in an arrangement state according to the application position of the adhesive. Therefore, a pseudo-porous material in which the fibrous metal is planted on the metal base plate in a stand state in which the interval between each two adjacent ones is substantially constant and the number per unit area of the metal base plate is substantially constant. A porous metal body having a structure can be mass-produced with extremely high reproducibility.

Further, according to the third aspect of the present invention, there is provided a three-dimensional pseudo-porous metal porous body having a large number of fibrous metals joined to one or both surfaces of a metal base plate. The manufacturing method, while transferring the metal base plate,
A step of applying an adhesive to the surface of the metal base plate to form an adhesive layer, and kneading the metal powder and the binder resin to a depth smaller than the length of the metal-containing resin fiber which has been made into a short fiber. A plurality of holding holes having an arrangement member formed in a predetermined arrangement in which the interval between each two adjacent ones thereof is substantially constant, and introducing a metal-containing resin fiber into each of the holding holes; A step of holding the contained resin fibers in a forested state protruding vertically in the arrangement member by inserting the resin fibers into a part of the holding hole, and the arrangement mask body and the metal base plate are parallel to each other. After guiding the metal-containing resin fibers to face each other and pressing and adhering the end portions of the respective metal-containing resin fibers to the adhesive layer, the metal-containing resin fibers are separated from the arranging member by separating the metal-containing resin fibers from the arranging member. From the metal base plate Includes a step of transferring, by firing and sintering, and a step of integrating the said and the respective fibrous metal metal-containing resin fiber is changed metal substrate plate.

In this method for producing a porous metal body, the metal-containing resin fibers are arranged in a predetermined arrangement state by an arrangement member prior to flocking to the metal base plate, and then the metal fibers are retained while maintaining this arrangement state. The fibrous metal is transferred from the metal base plate in a forested state where the distance between each two adjacent ones is substantially constant and the number of metal base plates per unit area is constant because the metal base plate is adhered and transferred. It is possible to mass-produce with extremely high reproducibility a metal porous body having a pseudo-porous structure in which hairs are implanted.

In each of the above inventions, after a large number of metal-containing resin fibers are adhered to the metal base plate in a forested state, in the first step of the sintering step, nickel powder is sprayed on the metal base plate to spread the nickel powder. When interposed between the metal-containing resin fibers, an electrode plate of a battery having excellent conductivity can be formed. This nickel powder is integrated with the metal base plate or the fibrous metal during sintering.

In each of the above inventions, nickel-
When phosphorus powder is mixed, the bonding strength between the metal base plate and the fibrous metal after the firing and sintering steps is improved, and an electrode plate of a battery having excellent conductivity can be formed.

In each of the above inventions, the metal-containing resin fiber is formed of a pure metal or alloy having magnetism,
Alternatively, a magnetic single metal powder or a metal compound dispersed in a resin is used for molding, and a large number of the metal-containing resin fibers are bonded to a metal base plate in a forested state or after bonding, and The metal-containing resin fibers can be oriented in a direction perpendicular to the metal base plate by positioning the base plate in a vertical magnetic field.

As a result, the metal-containing resin fibers are magnetized by receiving a magnetic field perpendicular to the metal base plate, and are aligned in a vertical arrangement with respect to the metal base plate, that is, perpendicular to each of the arrangement holes. It will be in the state of being arranged in the opposed arrangement. For this reason, the metal-containing resin fibers led to the arrangement mask body can be smoothly introduced and inserted into each arrangement hole of the arrangement mask body.

In each of the above inventions, if a large number of through holes are formed in a predetermined arrangement in a metal base plate holding a large number of metal-containing resin fibers in a forested state, the through holes are formed in the metal base plate. The fibrous metal can be surely formed at a place where it is not joined.

If the above-mentioned through-hole is formed by drilling with a laser beam machine, the through-hole can be easily and accurately formed at a predetermined position on the metal base plate.

Even if the through-hole is formed by forcibly inserting a piercing needle of a piercing machine separately from the above-described piercing means, the through-hole is also easily and easily formed at a predetermined position of the metal base plate. It can be formed accurately.

If a battery is constructed using the porous metal body of the above invention as a core material and an electrode plate formed by filling an active material between each of a large number of fibrous metals of this porous metal body, Since the active material is smoothly filled between the respective fibrous metals and the amount of the active material filled is sufficient, and since each fibrous metal is bonded to the metal base plate at a small interval, the active material Because most of the metal contacts the fibrous metal, the metal base plate effectively collects current through each fibrous metal, and the spacing between the fibrous metals is substantially the same throughout the entire metal base plate. Therefore, the current collection efficiency becomes uniform without variation over the entire metal base plate, and a large current can be taken out.

[0045]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings. First, the configuration of a porous metal body according to each embodiment of the present invention will be described with reference to FIGS. 1 to 5. The effect of using this porous metal body as an electrode core will be described with reference to the above porous body. This will be described later with reference to FIG.

FIG. 1A is a sectional view showing a porous metal body according to a first embodiment of the present invention, and FIG. 1B is an enlarged plan view thereof. This porous metal body has a three-dimensional quasi-porous structure in which a large number of fibrous metals 2 are joined to both sides of a metal base plate 1 in a state of standing vertically. As shown in (b), the fibrous metal 2
All books are arranged to form an equilateral triangle K1, and a certain one
A total of six books are arranged adjacent to the book at the same interval d. Therefore, the fibrous metal 2
The distance d between each two adjacent metal substrates 1 is
Are all the same at any point in the whole, and are arranged so as to have an exactly constant density over the entire metal base plate 1, which is the most preferable arrangement shape of the fibrous metal 2. The fibrous metal 2 may be joined to only one surface of the metal base plate 1 depending on the use.

Since the metal base plate 1 functions as a main current collector when used as a core material for an electrode plate of a battery, it must be a conductor. In this embodiment, the metal base plate 1 is made of a nickel plate or iron. A steel plate in which a metal plate is plated with nickel is used. Desirably, a nickel-plated steel plate that is phosphor-plated or nickel-phosphorus-plated is used as the metal base plate 1. The thickness of the metal base plate 1 is several μm to
It is several mm, and the thickness and material are appropriately selected according to the application.

On the other hand, the fibrous metal 2 will be described in the following manufacturing method. For example, a metal-containing resin fiber formed by kneading a metal powder and a binder resin into an elongated short fiber is used as the metal base plate 1. After being temporarily fixed with an adhesive, the binder resin in the metal-containing resin fibers is decomposed and removed by a firing and sintering process, so that the metal powder and the metal base plate 1 are melted into a molten metal state. And the metal-containing resin fibers become fibrous metal. The metal-containing resin fibers may be any of those formed by dispersing a metal or metal alloy powder or a metal compound powder in a resin,
As a material, nickel, cobalt, copper, aluminum, gold, silver, iron, zinc, indium, tin, lead, vanadium, chromium, or an alloy thereof can be used. In particular, it is preferable to use nickel or cobalt, and the shape of the powder may be any shape such as a granular shape, a needle shape, and a flake shape. In short, metal-containing resin fibers are
Since it becomes a fibrous metal 2 by sintering and sintering and is integrated with the metal base plate 1, any metal can be used as long as it can be sintered. In particular, the electrode plate of a nickel-metal hydride battery or a nickel cadmium battery having a large discharge characteristic. When used as a core material, nickel is preferably used as the metal powder in view of the chemical reaction.

The shape of the fibrous metal 2 has a fiber diameter R of 20 to 60.
μm and the length h is set to be 0.2 to 1 mm, and the interval d is set to be 150 to 500 μm. However, before sintering, the metal-containing resin fiber composed of metal powder and resin undergoes a sintering and sintering process, whereby the resin component is decomposed and removed, and the metal particles are arranged in a dense state, forming a contracted state. Changes to the fibrous metal 2. Therefore, the fiber diameter of the metal-containing resin fiber is 30 to 100 μm in consideration of the shape change due to firing and sintering.
If the material having a length of 0.5 to 1 mm is used, when the fibrous metal 2 is formed through the firing and sintering steps, the fiber diameter R and the length h are the above-described values. In the porous metal body of the present embodiment, nickel particles are interposed between the fibrous metals 2 joined to the metal base plate 1. When the nickel particles are interposed, after the metal-containing resin fibers are implanted on the metal base plate 1 and before the sintering step, nickel powder is sprayed on the metal base plate 1 or an adhesive is used. Means such as mixing nickel particles are used.

FIGS. 2A to 2D are enlarged plan views each showing a porous metal body according to a modification of the first embodiment. As in the case of the porous metal body shown in FIG. A large number of fibrous metals 2 are joined in a vertical arrangement on both sides of the base material plate 1.
Have different arrangement structures.

That is, FIG. 5A shows a layout in which a total of four fibrous metals 2 each two adjacent to each other in the row direction H and the column direction V form a square K2. H and each two adjacent in the column direction V
The intervals between the fibrous metals 2 are the same.
(B) shows an arrangement in which a total of four fibrous metals 2 each two adjacent to each other in the row direction H and the column direction V form a rectangle K3, and each two adjacent metal fibers in the row direction H Are the same, and the distance between two adjacent lines in the column direction V is the same, but the distance between the row direction H and the column direction V is slightly different. (C) is a total of four lines each adjacent to each other in the row direction H and the column direction V.
The fibrous metals 2 are arranged so as to form a parallelogram K4, and are arranged at regular intervals in the row direction H and at regular intervals in a direction inclined at a constant angle with respect to the column direction V. In (d), two fibrous metals 2 adjacent to each other in the row direction H and the column direction V form a rhombus K5.

In each of the porous metal bodies shown in (a) to (d), the fiber diameter R of the fibrous metal 2 is 20 to 60, as in FIG.
μm and the length h is set to be 0.2 to 1 mm, and the interval d between two adjacent fibrous metals 2 is set to be 150 to 500 μm. In each of the porous metal bodies, although the density does not become exactly constant over the entire metal base plate 1 as in the case of the fibrous metal in the porous metal body of FIG. 1, the fibrous metals 2 are joined in a regular arrangement. Therefore, the interval between each two fibrous metals 2 existing adjacent to each other is substantially constant over the entire metal base plate 1, and the fibrous metal 2 is substantially distributed over the entire metal base plate 1. They are arranged at a constant density.

FIG. 3 is a sectional view showing a porous metal body according to a second embodiment of the present invention. In this porous metal body, the same fibrous metal 2 as the porous metal body of the first embodiment is joined to the metal base plate 2 in the same arrangement. Each of the fibrous metals 2 on both sides is inclined at a predetermined angle with respect to the vertical direction of the metal base plate 1 and is joined to the metal base plate in a parallel direction and in a certain direction. . The means for inclining the fibrous metal 2 will be described in a manufacturing method described later.

FIG. 4 is a perspective view showing a metal base plate 7 in a porous metal body according to a third embodiment of the present invention. In the metal base plate 7, a large number of circular through-holes 8 are perforated in a regular arrangement with respect to the flat plate, and burrs 9 protrude from the edges of the holes on both sides of each of the through-holes 8. Has been established. Each burr 9 is formed such that its height is set lower than 0.2 to 1 mm, which is the length of the fibrous metal 2. In the porous metal body of this embodiment, the fibrous metal 2 is shown in FIG. 1 (b) or FIGS. 2 (a) to 2 (d) at a flat surface portion where the through hole 8 does not exist in the metal base plate 7. It is joined and fixed in any arrangement. However, in the production of the porous metal body, after the metal-containing resin fibers are bonded and fixed to the metal base plate 7 in a predetermined arrangement, or after firing and sintering, the metal base plate 8 is subjected to a predetermined process. It is performed in the procedure of forming the through holes 8 in the arrangement. This will be described in a later-described manufacturing method.

FIG. 5 is a partially exploded perspective view showing a battery 10 constituted by an electrode plate using the porous metal body of any of the first to third embodiments as a core material. An active material is filled between the fibrous metals 2 of the porous metal body so as to be imprinted. For example, in the case of a nickel-metal hydride battery, nickel hydroxide is used as the active material.
1 part by weight of nickel powder, 10 parts by weight of nickel powder, and 7 parts by weight of cobalt powder are mixed, and these are made into a paste with an aqueous solution of carboxymethyl cellulose. The porous metal body filled with the active material between the fibrous metals 2 is dried, and then its surface is rolled by a rolling roller or the like to a thickness of about 1 mm.
Get 1. A known separator 13 such as sulfonated polyethylene or polypropylene is interposed between the positive electrode plate 11 and a negative electrode plate 12 made of, for example, a hydrogen storage alloy, and is spirally wound. After storing and injecting the electrolyte (not shown),
The battery 10 is configured by sealing the opening of the battery case 14 with the sealing plate 17.

Next, the effect of the porous metal body of each of the first to third embodiments when used as a core material for an electrode of the battery 10 will be described. In the above battery, the active material is smoothly filled between the sword-shaped fibrous metals 2 and the amount of the active material to be filled is sufficient. Metal 2 is 100 to 500
Since the active material is in contact with the fibrous metal 2 because it is joined to the metal base plates 1, 3, and 7 at a small interval d of μm, Since the current collecting function is effectively performed through the metal 2 and the above-mentioned distance d between the respective fibrous metals 2 is substantially the same over the entire metal base plate 1, the current collection efficiency is reduced. , 7 are uniform without variation. As a result, the utilization rate of the active material becomes extremely high without variation throughout the metal base plates 1, 3, and 7, and a large current can be taken out.

The distance d between the fibrous metals 2 is set to 100 to 500.
μm is set to 100 μm or less.
A magnetic field is applied to a metal-containing resin fiber to form a metal base plate 1, 3, 7
In the case of standing vertically, the repulsive force between the magnetized metal-containing resin fibers becomes large, so that not only the desired spacing cannot be achieved but also the adjacent fibrous metal 2 after the sintering step.
Insufficient space can not be filled sufficiently with the active material. On the other hand, if the interval is set to 500 μm or more, the holding power of the active material by the fibrous metal 2 decreases, and the resistance between the active material and the fibrous metal 2 as a current collector increases, and the current collection efficiency decreases. To do that. Therefore, if the interval between the fibrous metals 2 is set to 100 to 500 μm, the fibrous metals 2 can be smoothly joined to the metal base plates 1, 3, 7, and have sufficient holding power of the active material and current collection. An improvement in efficiency can be obtained.

Since the metal base plates 1, 3, and 7 are made of a nickel plate or a steel plate obtained by plating a metal plate such as iron with nickel, the conductivity is further improved. Further, in the case where a steel plate obtained by plating a nickel plate with phosphorus or nickel-phosphorus is used as the metal base plates 1, 3, 7, the binding force between the metal base plate 1 and the fibrous metal 2 is caused by the presence of phosphorus. Can be obtained. On the other hand, in the porous metal body, the nickel particles are interposed between the fibrous metals 2 joined to the metal base plates 1, 3, and 7, so that the conductivity is further improved.

Further, since the length h of the fibrous metal 2 is set in the range of 0.2 to 1 mm in each of the above porous metal bodies, the active material is smoothly spread to the base of the fibrous metal 2 which is formed in a sword mountain shape. And a sufficient holding power of the active material and an improvement in the use efficiency of the active material can be obtained. Also,
In each of the metal porous bodies, the fiber diameter R of the fibrous metal 2 is set to 20 to
Since it is set in the range of 60 μm, the fibrous metal 2 can be bonded to the metal base plate 1 with a sufficient bonding strength, and a sufficient space for filling the active material can be secured. That is, the fibrous metal 2 has a fiber diameter R of 20 μm.
If it is set below, the bonding strength to the metal base plate 1 is insufficient, and if it is set to 60 μm or more, the fiber diameter R is too large, and a sufficient space for filling the active material cannot be secured.

In the production of the porous metal body, in order to secure a fiber diameter R of 20 μm in the fibrous metal 2 after sintering of the metal-containing resin fiber, the metal-containing resin fiber before sintering and sintering must be used. It is necessary to have a fiber diameter of 30 μm, and the metal-containing resin fiber having a fiber diameter of 30 μm or less is manufactured because nickel particles serving as a metal component of the metal-containing resin fiber are 1 to 20 μm. It is impossible. On the other hand, in order to secure a fiber diameter R of 60 μm in the fibrous metal 2 after firing and sintering of the metal-containing resin fiber, it is necessary to set
It is necessary to have a fiber diameter of about μm, and a metal-containing resin fiber having such a large fiber diameter increases costs.

When the porous metal body of the second embodiment shown in FIG. 3 is used as the core material of the electrode plate, the above-described same as the case of using the porous metal body of the first embodiment is used. In addition to obtaining the effect, the fibrous metal 2 having the same fiber diameter R and length h as in the first embodiment is placed on the surface of the metal base plate 1 in the same manner as in the first embodiment. While joining at an interval of 100 to 500 μm, the interval between each two adjacent fibrous metals 2 is smaller than the interval of 100 to 500 μm on the surface of the metal base plate 1. Is reduced, the resistance between the active material and the fibrous metal 2 is reduced, and the current collection efficiency is improved.

When the porous metal body of the third embodiment shown in FIG. 4 is used as the core material of the electrode plate, the above-mentioned similar structure to the case of using the porous metal body of the first embodiment is used. In addition to obtaining the effect, the presence of the through hole 8 can reduce the distortion of the metal base plate 7, and the discharge characteristics are improved as the flowability of the electrolyte through the through hole 8 is improved. . Further, since the metal base plate 7 performs the current collecting action through the burrs 9 at the edge portions of the through holes 8, the current collecting property is improved by that much. Moreover, the burr 9 is the length of the fibrous metal 2.
Since the height is set lower than 0.2 to 1 mm, the active material is embedded in the filled active material. For this reason, it is possible to reliably prevent a problem such as a short circuit between the positive electrode plate 11 and the negative electrode plate 12 caused by the burrs 9 breaking through the separator 13.

Next, a description will be given of a manufacturing method capable of mass-producing the porous metal body of each embodiment described above with good reproducibility. FIG. 7 is a process diagram showing an overall manufacturing process of a method for manufacturing a porous metal body according to one embodiment of the present invention. In this embodiment, a metal porous body having a through hole 8 according to the third embodiment is used. The case where a body is manufactured is illustrated. The strip-shaped metal base plate 1 wound on the take-up roll 18 is continuously fed out at a constant speed by a transfer mechanism and guide rollers (not shown) and is transferred in the direction of the arrow shown in the figure. The adhesive 21 contained in the adhesive container 20 is uniformly applied to one surface of the transferred metal base plate 1 when passing through the adhesive application device 19 to form the adhesive layer 22. . As the adhesive 21, a polyvinyl acetate resin, an acrylic resin, a polyvinyl butyral resin, a phenol resin, or the like is used. In this embodiment,
Nickel-phosphorus powder is mixed in the adhesive 21. As a means for applying the adhesive 21 to the metal base plate 1, any of the well-known spray method, comma coater method, die coat method, or wire bar method is used.

Next, when the metal base plate 1 on which the adhesive layer 22 is formed is transferred to the step of bonding the metal-containing resin fibers 5, the metal-containing resin fibers 5 housed in the hopper 23 for spraying are removed. After being sprayed from the spraying hopper 23 on the spraying roller 24 by a predetermined amount at a time, they are evenly loosened by the rotating spraying roller 24, and then placed on the metal base plate 1 and integrally. Arrangement mask body 2 at a position directly below a plurality of container-like arrangement mask bodies 27 to be transferred
7 are supplied almost equally. The metal-containing resin fiber 5 used here has a fiber diameter of 30 to 100 μm and a length of 0.5 to 0.5 μm.
The fiber diameter and length are slightly larger than those in the case where the fibers are bonded to the metal base plate 1 as the fibrous metal 2 through the firing and sintering steps described below.

FIG. 7 shows an arrangement mask 2 during the process of FIG.
7 is an enlarged cross-sectional view of an installation location of FIG. Arrangement mask body 27
Is formed in a container shape opened upward with a non-magnetic material, for example, stainless steel, and a plurality of arrangement holes 27b are arranged in a bottom plate portion 27a. This arrangement hole 27b is
1 (b) or 2 (a) to 2 (d) is formed in the same arrangement, and the hole diameter of the arrangement hole 27b is such that the metal-containing resin fiber 5 can be easily inserted. To
The diameter is set to 1.1 to 1.7 times, preferably 1.4 to 1.6 times the fiber diameter of the metal-containing resin fiber 5, and the interval between the array holes 27b is within the range of 100 to 500 μm. Is set. In addition, spacer protrusions 2 having a length of about 0.5 mm are provided at the four corners on the lower surface of the arrangement mask body 27.
7c protrudes downward. Mask body 27 for each array
Has a width substantially the same as the width of the metal base plate 1 in the direction perpendicular to the transfer direction, and extends along the transfer direction of the metal base plate 1 in a plurality (in this embodiment, five Examples) are arranged in a row in contact with each other. At this time, the bottom plate portion 27a of each array mask body 27 is held at a position about 0.5 mm above the adhesive layer 22 by the spacer protrusions 27c at the four corners.

Each of the arranging mask bodies 27 arranged in a line on the metal base plate 1 substantially uniformly distributes the metal-containing resin fibers 5 throughout the inside thereof when passing under the spreading roller 24. It is thrown into. A pair of orienting magnet units 28 are arranged on both sides of the transfer path of the metal base body 1 at a position below the dispersion roller 24 in the transfer path of the metal base plate 1. The bi-oriented magnet portion 28 is disposed such that a plurality of electromagnets or permanent magnets (not shown) are opposed to each other so as to form a pair, and are arranged toward the transfer path of the metal base plate 1. A uniform magnetic field perpendicular to the metal base plate 1 is generated within a certain distance along the transfer path.

Accordingly, the metal-containing resin fibers 5 introduced into the arrangement mask body 27 receive a magnetic field perpendicular to the metal base plate 1 and are aligned in a vertical arrangement with respect to the metal base plate 1. In other words, the arrayed mask 27 is smoothly inserted through the arraying holes 27b so that the lower ends of the adhesives 21 are aligned. Is adhered to the surface of the metal base plate 1 by the adhesive layer 22. That is, the metal-containing resin fiber 5
Are regulated on the arrangement of the arrangement holes 27b of the arrangement mask body 27 according to the arrangement, and are implanted on the metal base plate 1. At this time, since the arrangement mask body 27 is made of a non-magnetic material, it is not magnetized, and the metal-containing resin fibers 5 smoothly pass through the arrangement holes 27b of the arrangement mask body 27. The pair of orientation magnet units 28 are formed of electromagnets, and if drive control is performed such that an alternating magnetic field is generated as a magnetic field (magnetic poles are generated alternately), the arrangement mask body 27 is slightly vibrated, and Arrangement holes 27b for the resin fibers 5
Can be more smoothly inserted.

Among the arrangement mask bodies 27 arranged in a line and conveyed integrally with the metal base plate 1, the arrangement mask bodies 27 on the leading end side in the transport direction are all the arrangement holes which they have. After the bonding of the metal-containing resin fiber 5 through the 27b is completed, when the metal-containing resin fiber 5 is transferred to a predetermined position, it is lifted in a vertical direction with respect to the metal base plate 1 as shown by an arrow by a mask body transfer mechanism (not shown). Can be As a result, on the metal base plate 1, each of the arrangement holes 27 of the arrangement mask 27 is formed.
The metal-containing resin fibers 5 planted in the arrangement regulated by b remain. The lifted array mask 27 is transported rearward in the array direction as shown by the two-dot chain line arrow, and is again brought into contact with the array mask 27 at the rear end in the array direction in the metal base plate. 1 above.

As described above, the plurality of arranging mask bodies 27 are sequentially changed to the rear end side in accordance with the transfer of the metal base plate 1 so that the plurality of arrangement mask bodies 27 are rearranged. The metal-containing resin fibers 5 are adhered to one surface of the plate 1 in one of the arrangements shown in FIG. 1B or FIGS. 2A to 2D. In the flocking process of the metal-containing resin fibers 5, the metal-containing resin fibers 5 are planted on the metal base plate 1 while continuously transferring the metal base plate 1 at a constant speed. Bonding to the base plate 1 in a predetermined arrangement can be efficiently performed, and the transfer speed of the metal base plate 1 can be further increased by increasing the number of arrangement mask bodies 27. The productivity of the porous metal body can be increased.

The metal base plate 1 on which the metal-containing resin fibers 5 are implanted on one side is placed on one side of the above-described metal base plate 1 via two direction changing rollers 29 and 30. 5 is guided to a second transfer path parallel to the first transfer path at a position below the first transfer path. This second transfer path has an adhesive application device 19 similar to the first transfer path,
A dispersing hopper 23, a dispersing roller 24, a plurality of arranging mask bodies 27, and a pair of orienting magnet units 28 are provided. Therefore, the metal-containing resin fibers 5 are bonded to the metal base plate 1 on the other surface in the same arrangement as the one surface by the adhesive layer 22.

A laser oscillator 32 is provided on the metal substrate 1 on which metal-containing resin fibers 5 are implanted in a predetermined arrangement on both sides.
The through holes 8 having burrs 9 at the hole edge shown in FIG. 5 are formed at intervals of about 100 μm by a laser drilling machine 31 having a well-known configuration including a processing head 33 and the like. The nickel powder 37 is sprayed by the spraying device 34 on the metal base plate 7 in which the processing of the through holes 8 is completed.

Subsequently, the metal base plate 7 on which metal-containing resin fibers 5 are implanted on both sides in a predetermined arrangement and in which the through-holes 8 have been formed is guided into the firing furnace 38 along the transfer path. In the sintering furnace 38, the temperature in the furnace is raised from room temperature to 350 to 450 ° C. over a period of 30 to 60 minutes in an atmosphere of an air stream, thereby heating the furnace. After holding for 10 minutes, it is cooled to room temperature. By this firing step, each metal-containing resin fiber 5 is fixed to the metal base plate 7 with the adhesive 21 solidified by heating while maintaining the above-mentioned arrangement state.

Finally, the metal base plate 7 is guided into the reduction furnace 39 along the transfer path, and in the reduction furnace 39 under a gas atmosphere containing a reducing gas, for example, hydrogen of 30% or more.
The furnace is heated by raising the furnace temperature to 850 to 1000 ° C. over a period of one minute, and after maintaining this heating state for one minute or more, the furnace temperature contains 30% or more of the above hydrogen. In a gas atmosphere, the temperature is lowered to a temperature of 200 ° C. or less, and then cooled, and then further cooled in the atmosphere. Thereby, the metal powder in the metal-containing resin fibers 5 becomes the fibrous metal 2 by firing and is integrated with the metal base plate 7.

That is, while the binder resin in the metal-containing resin fiber 5 is decomposed and removed, the organic substance in the adhesive 21 is decomposed and removed, and nickel oxide is combined with hydrogen to become a metal. The fibrous metal 2 in which the metal-containing resin fibers 5 have changed in shape and the metal base plate 7 are firmly joined together in a molten metal state, and are integrated into a high porosity sword-shaped third.
The porous metal body of the embodiment is completed. Further, in this embodiment, in the adhesive application step using the adhesive application device 19, the nickel-phosphorus powder is mixed in the adhesive 21, so that the sintering strength is improved and the electrode core of the battery is improved. When used as a material, conductivity is improved. The fiber diameter of the fibrous metal 2 is from 30 to 100 μm in the metal-containing resin fiber 5 to 20 to 60 μm and 0.5 to 2 mm in the metal-containing resin fiber 5 through the above-described firing and sintering steps. The changed length changes its shape to 0.2 to 1 mm.

When it is desired to obtain the porous metal body according to the first embodiment shown in FIGS. 1 and 2, the laser drilling machine 31 is excluded from the above manufacturing steps. To obtain the porous metal body of the second embodiment shown in FIG. 3,
The laser drilling machine 31 is excluded from the above process, and a pair of oriented magnet parts 28 are arranged on both sides in a direction inclined at a certain angle with respect to the transfer path of the metal base plate 1. As a result, an orientation magnetic field is generated in the transfer path of the metal base plate 1 in a direction at a predetermined angle with respect to the transfer direction, and each metal-containing resin fiber 5 is introduced in a state inclined with respect to the arrangement holes 27b. And bonded to the metal base plate 1 in a slanted arrangement in any one of the same directions. In this case, the arrangement mask body 2 in which the arrangement holes 27b are formed to have a slightly larger hole diameter.
7 is used.

FIG. 8 shows that the through hole 8 is formed in the metal base plate 1 by using a mechanical punching machine 41 instead of the laser punching machine 31 in the punching step in the manufacturing process of FIG. It is a side view which shows the case where it does. This drilling machine 41
In a state in which the metal base plate 1 is supported from below by the receiving base 44, the pressing member 43 having the plurality of perforation needles 42 moves down The metal base plate 1 is forcibly inserted through the metal plate 1 by forcibly penetrating the material plate 1 and lowering the pressing member 43 until the respective perforating needles 42 are inserted into the receiving holes 47 of the receiving base 44. The through hole 8 having the burrs 9 at the edge of the hole is machined by punching. However, when this hole making machine 41 is used, the burr 9 is formed only on the edge of the hole on the lower surface side of the metal base plate 7.

FIG. 9 is a process diagram of a flocking process showing a modification of the manufacturing method according to the first embodiment. Only the flocking process of the metal-containing resin fibers 5 in the manufacturing process of FIG. 6 is changed. Things. 6, the same components as those in FIG. 6 are denoted by the same reference numerals, and description thereof is omitted. In this flocking process, only a single arrangement mask body 27 having the same configuration as that of FIG. 6 is provided.
Is selectively controlled between a flocking position indicated by a solid line placed on the metal base plate 1 and a retreat position indicated by a two-dot chain line lifted away from the metal base plate 1. Further, the metal base plate 1 is intermittently fed by a fixed distance corresponding to the length of the arrangement mask body 27 in the transfer direction.

In a state where the arrangement mask body 27 is held at the upper retreat position, the metal base plate 1 is stopped after being transferred by a predetermined distance, and in this state, the arrangement mask body 27 is lowered to the flocking position. The metal-containing resin fiber 5 is put into the arrangement mask body 27 by being placed on the metal base plate 1. The metal-containing resin fibers 5 introduced into the arrangement mask body 27 receive a magnetic field perpendicular to the metal base plate 1 from the pair of oriented magnet portions 28, and are arranged perpendicular to the metal base plate 1. The aligned state, that is, the state of being aligned so as to be vertically opposed to each arrangement hole 27b, is smoothly introduced into each arrangement hole 27b of the arrangement mask body 27 and inserted therethrough. It is adhered on the metal base plate 1 by the adhesive layer 22 of the adhesive 21.

A predetermined time has elapsed since the arrangement mask body 27 was placed on the metal base plate 1, and the arrangement mask body 27
When the insertion of the metal-containing resin fibers 5 into all the arrangement holes 27b is completed, the arrangement mask body 27 is lifted to the retracted position, and the metal-containing resin fibers 5 are pulled out of the arrangement holes 27b. After that, the metal base plate 1 is transferred by a predetermined distance corresponding to the length of the arrangement mask body 27 in the transfer direction, and then stopped again, and the arrangement mask body 27 is placed on the metal base plate 1. Is placed, and the same operation as described above is repeated.

In the flocking step of the metal-containing resin fiber 5,
Since the metal substrate plate 1 is intermittently fed, the flocking process cannot be performed continuously. However, the simple arrangement for raising and lowering the single arrangement mask body 27 is required. As compared with the case where the array mask body 27 is used, two adjacent masks are used.
The metal-containing plate 1 does not have a flocked portion where the metal-containing resin fiber 5 does not exist at the position of the metal base plate 1 facing the seam of the arrangement mask bodies 27, and the metal-containing material is included throughout the metal base plate 1. There is an advantage that the resin fibers 5 can be planted reliably.

FIG. 10 is a cross-sectional view of a flocking process showing another modification of the manufacturing method according to the first embodiment. Only the flocking process of the metal-containing resin fibers 5 in the manufacturing process of FIG. To change. 6, the same components as those in FIG. 6 are denoted by the same reference numerals, and description thereof will be omitted. In this flocking process, the arrangement mask body 4 in the form of a drum is used.
8 is used. As shown in FIG. 11, which is an enlarged cross-sectional view of a part of the arrangement mask body 48, the arrangement mask body 48 is provided between two outer ring-shaped side plates 48a (only one is shown). , Holes 4 for arranging metal-containing resin fibers 5
8c has a configuration in which a circular bottom plate portion 48b formed in a predetermined arrangement is sandwiched and fixed, and the arrangement holes 48c are arranged in any of the arrangements shown in FIG. 1 (b) or FIGS. 2 (a) to 2 (d). It is arranged in a shape. The drum-shaped arrangement mask body 48 is rotated at the same rotation speed as the transfer speed of the metal base plate 1.

The metal base plate 1 is pressed by a plurality (three in this embodiment) of guide rollers 49 onto a portion of the drum-shaped arranging mask body 48 which reaches about １ ／ circumference from the lower part thereof. And the rotating alignment mask body 48
Is transported together. At this time, the metal base plate 1 is pressed against the outer peripheral ends of both side plates 48a of the arrangement mask body 48, and is held in a state of being separated from the bottom plate 48b by about 0.5 mm. That is, the adhesive layer 2 formed on one surface of the metal base plate 1 by the adhesive coating device 19
2 is held in a state where it is separated from the bottom plate portion 48b of the arrangement mask body 48 so as not to contact the bottom plate portion 48b.

The metal-containing resin fibers 5 are arranged on the mask body 4 for arrangement.
8 is supplied to the lower end portion of the rotating arrangement mask body 48 from the dispersion hopper 23 installed in the interior of the apparatus 8 via the dispersion roller 24. The metal-containing resin fibers 5 accommodated in the arrangement mask body 48 receive a magnetic field in a direction perpendicular to a tangent line of the metal base plate 1 from the pair of oriented magnet portions 28, and are perpendicular to the metal base plate 1. The arrangement holes 48c of the arrangement mask body 48 are in a state where the arrangement holes 48c of the arrangement mask body 48 are aligned in a proper arrangement, that is, in an arrangement vertically opposed to the arrangement holes 48c.
And the lower end is adhesive 2
The first adhesive layer 22 adheres to the metal base plate 1.

The metal-containing resin fibers 5 bonded to the metal base plate 1 are integrated with the arrangement mask body 48 with the transfer of the metal base plate 1 while maintaining the state of being inserted through the arrangement holes 48c. As it is transferred, the mask body for arrangement 48 is about 1/4
When the metal base plate 1 is turned and transferred to the horizontal transfer path via the turning roller 50 at the time when the rotation has been completed, the mask for the array is pulled out of the arraying hole 48c. Separated from 48. Thus, the metal-containing resin fibers 5 are continuously implanted on the metal base plate 1 that is continuously transferred in the arrangement according to the arrangement of the arrangement holes 48c of the arrangement mask body 48.

In this flocking process, compared to the case where the container-like arrangement mask body 27 is replaced or moved up and down,
The operation control is simplified, and the metal base plate 1 and the mask for array 48 in drum form are continuously transferred and rotated together in synchronization with each other. In addition to being able to plant hair continuously, it is possible to produce a porous metal body with high productivity, and there is no flocked portion of the metal-containing resin fiber 5 on the metal base plate 1, and high quality metal It is very preferable that a porous body can be obtained.

FIG. 12 is a cross-sectional view of a flocking process showing still another modification of the manufacturing method according to the first embodiment. Only the flocking process of the metal-containing resin fibers 5 in the manufacturing process of FIG. Is to change. In FIG.
The same components as those described above are denoted by the same reference numerals and description thereof will be omitted. The arrangement mask body 51 in the flocking process is of a rotary type similar to the drum-shaped arrangement mask body 48 shown in FIGS. 11 and 12, but has a hexagonal cylindrical appearance and contains metal. The accommodation portion of the resin fiber 5 is formed in a ring shape, and the bottom plate portion 51a of the accommodation portion has an arrangement hole 51b for the metal-containing resin fiber 5 in FIG. 1 (b) or FIGS. 2 (a) to 2 (d).
Are arranged in the arrangement state shown in any of the above.

In this flocking process, the transfer path of the metal base plate 1 is formed in a straight line in contact with a straight portion on one side located at the lower end of the hexagonal arrangement mask body 51.
The arrangement mask body 51 is intermittently rotated so as to stop the rotation for a predetermined time when the six linear portions are sequentially positioned in parallel with the metal base plate 1 and come into contact with the metal base plate 1 with the rotation. You. The metal-containing resin fibers 5 are arranged in a mask
1 is stopped, each arraying hole 51b of a linear portion of one side in contact with the metal base plate 1 in the arraying mask body 51
Through the adhesive layer 22 of the adhesive 21 on the metal base plate 1.

When the bonding of the metal-containing resin fibers 5 through the alignment holes 51b of the straight portion of one side is completed after a predetermined time has elapsed, the alignment mask body 51 is moved to the corner portion 51c as shown by a two-dot chain line. While the metal base plate 1 is slightly pushed down, the intermittent rotation is performed until the straight portion on the next side is positioned parallel to and comes into contact with the metal base plate 1. At this time, the metal base plate 1 is transferred at the same transfer speed as the rotation speed of the arrangement mask body 51, and the transfer is stopped when the linear portion on the next side of the arrangement mask body 51 comes into contact. Hereinafter, the same operation as described above is repeated, and the metal-containing resin fibers 5 are implanted on the metal base plate 1 in the arrangement according to the arrangement of the arrangement holes 51b of the arrangement mask body 51. In this flocking process, the arrangement mask body 51 and the metal base plate 1 are intermittently rotated and intermittently transferred in synchronization with each other, but the flocking of the metal-containing resin fibers 5 to the metal base plate 1 is performed almost continuously. be able to.

In the method for manufacturing a porous metal body according to the first embodiment described above, the bonding positions of the metal-containing resin fibers 5 on the metal base plate 1 are determined by arranging mask bodies 27, 48, 51.
The fibrous metal 2 is regulated by the arrangement holes 27b, 48c, 51b formed in the holes 27b, 48c, 51b.
Can be joined on the metal base plate 1 in the arrangement state according to the above arrangement. Thereby, if the manufacturing method of the first embodiment is adopted, the porous metal body according to each embodiment of the present invention,
In other words, a pseudo condition in which the metal-containing resin fibers 5 are planted on the metal base plate 1 in a stand state in which the interval between each two adjacent ones is substantially constant and the number per unit area of the metal base plate 1 is constant. A porous metal body having a porous structure can be mass-produced with extremely high reproducibility.

FIG. 13 is a partially broken side view showing an adhesive application step and a flocking step of the metal-containing resin fiber 5 in the method for manufacturing a porous metal body according to the second embodiment of the present invention. That is, the manufacturing process that embodies this manufacturing method is different from the screen transfer printing device 52 and the spraying device in place of the adhesive application device 19 and the flocking mechanism portion including the plurality of arrangement mask bodies 27 in the process diagram of FIG. 6 and the other steps are the same as those in FIG.

As shown in FIG. 14A, the granular adhesive 21 is applied in a stippling manner by the screen transfer printing device 52 to the metal base plate 1 transferred along the transfer path.
The screen transfer printing device 52 has substantially the same configuration as that used for forming a circuit using a thick film paste on a substrate in a semiconductor device manufacturing process.
That is, the screen transfer printing device 52 is, for example, a mesh-shaped screen made of stainless steel, nylon, or polyester attached to the bottom of the frame to form a container, and the screen is transferred to the metal base plate 1 to be transferred. The adhesive 21 contained in the container body is printed on the screen by the operation of the blade, so that the adhesive 21 formed into a granular form through a large number of through holes of the screen. Is applied on the metal base plate 1. The screen has a large number of through holes as shown in FIG.
(B) or the arrangement shown in any of FIGS. 2 (a) to 2 (d). Thereby, the granular adhesive 21 is applied in a predetermined arrangement on the metal base plate 1 to be transferred.

In the flocking step of the metal-containing resin fibers 5 on the subsequent stage of the adhesive applying step, as shown in FIG. 14B, the granular adhesive 21 on the metal base plate 1 is applied in a predetermined arrangement state. The metal-containing resin fibers 5 are sprayed from the spraying hopper 53 onto the surface. The metal-containing resin fibers 5 to be scattered are magnetized by receiving a magnetic field in a direction perpendicular to the metal base plate 1 from the pair of oriented magnet portions 28, and are aligned in an arrangement perpendicular to the metal base plate 1. And falls toward the surface of the metal base plate 1. Of these metal-containing resin fibers 5, those that have fallen onto the granular adhesive 21 are bonded to the metal base plate 1 by the adhesive 21 in a perpendicular arrangement, and fall directly onto the surface of the metal base plate 1. What is done is not glued. The metal-containing resin fibers 5 not adhered to the metal base plate 1 are removed from the metal base plate 1 by removing means (not shown), for example, a blowing means or a vibration means applied to the metal base plate 1. As a result, on the metal base plate 1,
As shown in FIG. 15 (c), a large number of metal-containing resin fibers 5 are adhered only to the positions where the granular adhesive 21 is applied, and are fixed in a forested state in a predetermined arrangement.

Note that the granular adhesive 21 is placed on the metal base plate 1.
As a means for applying the ink in a predetermined arrangement state, an adhesive application control device such as a jet injection method or a gravure printing method can be used in addition to the screen transfer printing device 52 described above.

In the method for manufacturing a porous metal body according to the second embodiment, the bonding positions of the metal-containing resin fibers 5 on the metal base plate 1 are determined by using the granular adhesive 21 applied to the metal base plate 1.
The metal-containing resin fiber 5 is regulated by the granular adhesive 2
1 can be joined on the metal base plate 1 in the arrangement state according to the application position. Thereby, even when the manufacturing method of the second embodiment is used, the metal porous body according to each embodiment of the present invention, that is, the interval between each two adjacent ones is substantially constant, and the metal substrate Mass-produce, with extremely high reproducibility, a porous metal body having a pseudo-porous structure in which the fibrous metal 2 is planted on the metal base plate 1 in a stand-up state where the number of plates per unit area is constant. be able to.

FIG. 15 is a partially broken side view showing the step of flocking the metal-containing resin fibers 5 in the method for manufacturing a porous metal body according to the third embodiment of the present invention. That is,
The manufacturing process that embodies this manufacturing method includes an adhesive application device 19 and a plurality of arranging mask bodies 2 in the process diagram of FIG.
The mechanism shown in FIG. 15 is installed in place of the flocking mechanism section composed of 7 and a pair of orientation magnet sections 28,
Other steps are the same as those in FIG.

The metal-containing resin fibers 5 are sprayed from the spraying hopper 53 onto the arrangement member 54. This arrangement member 54
As shown in FIG. 16, a holding hole 54a is formed in a 5-cm square rectangular parallelepiped plate made of a non-magnetic material, for example, stainless steel.
2 (b) or the arrangement shown in any of FIGS. 2 (a) to 2 (d). The holding hole 54a is
At a depth smaller than the length of the metal-containing resin fiber 5, the metal-containing resin fiber 5 has a diameter that allows the metal-containing resin fiber 5 to be easily inserted. A plurality of the arrangement members 54 are provided.
4 are placed on a conveyor 57 fed in the direction of the arrow in a state where they are in contact with each other and are arranged in a line along the moving direction of the conveyor 57.

On each arrangement member 54 transferred by the conveyor 57, the metal-containing resin fiber 5
Is sprayed. The metal-containing resin fibers 5 to be scattered are
By receiving a magnetic field in the direction perpendicular to the arrangement member 54 and magnetizing the arrangement member 54 by the pair of orienting magnet portions 28, the arrangement member 54 is aligned in a position perpendicular to the arrangement member 54 as shown in FIG. Fall upward. Of the metal-containing resin fibers 5, those that have fallen onto the holding holes 54 a, the lower portions of which are inserted into the holding holes 54 a and
Is held in a vertical protruding state. Holding hole 54
The metal-containing resin fibers 5 not held in a are removed from the arrangement member 54 by a removing means (not shown), for example, a blowing means or a vibration means applied to the conveyor 57. As a result, on the arrangement member 54, as shown in FIG. 17, a large number of metal-containing resin fibers 5 are held in a state of standing in a predetermined arrangement corresponding to the holding holes 54a.

On the other hand, the metal base plate 1 is
Are continuously transferred at a constant speed along a transfer path guided from above to a direction approaching the array member 54. The adhesive 21 accommodated in an adhesive container 59 is sprayed from a spray nozzle 58 on the surface of the metal base plate 1 to form an adhesive layer 22 of the adhesive 21. Adhesive layer 22
The transfer direction of the metal base plate 1 on which is formed is changed by the pair of pressing guide rollers 60 so as to be parallel to the transfer direction of each arrangement member 54, and the holding holes 54 a project from the upper surface of the arrangement member 54. Is guided so as to press the adhesive layer 22 against the metal-containing resin fibers 5 held in the first position. As a result, each metal-containing resin fiber 5 held upright on the arrangement member 54 adheres to the adhesive layer 22 while being vertically opposed to the metal base plate 1, and the arrangement member 5
4 is transferred onto the metal base plate 1. After that, similarly to the manufacturing method of the first embodiment, each of the fibrous metals 2 obtained by changing the shape of the metal-containing resin fibers 5 is formed on the metal base plate 1 through a firing step and a sintering step. It is firmly joined to form a pseudo-porous metal porous body.

In the method for manufacturing a porous metal body according to the third embodiment, the metal-containing resin fibers 5 are arranged in a predetermined arrangement state by the arrangement member 54 prior to flocking on the metal base plate 1. After that, while maintaining this arrangement state, it is adhered to the metal base plate 1 and transferred. Thus, even when the manufacturing method according to the third embodiment is used, the metal porous body according to each embodiment of the present invention, that is, the interval between each two adjacent ones is substantially constant, and Mass production of a metal porous body having a pseudo-porous structure in which the fibrous metal 2 is planted on the metal base plate 1 in a forested state where the number of pieces per unit area of the material plate 1 is constant, with extremely high reproducibility. can do.

[0100]

As described above, according to the porous metal body of the present invention, a large number of fibrous metals are joined to the metal base plate in a predetermined arrangement state set by the arrangement regulating means. Therefore, the distance between each two adjacent metal base plates is substantially constant, and the number of the metal base plates per unit area is fixed in a forested state where the number per unit area is substantially constant. When used, the spacing between the fibrous metals is almost uniform over the entire metal base plate, so the utilization rate of the active material no longer varies over the entire metal base plate, and becomes extremely high. A large current can be taken out since the metal base plate becomes uniform without variation.

Further, according to the method for producing a porous metal body of the present invention, a large number of arrangement holes through which metal-containing resin fibers can be inserted are formed in a predetermined arrangement in which the interval between two adjacent ones is substantially constant. By using the alignment mask body, the bonding position of the metal-containing resin fibers on the metal base plate is regulated by the alignment holes, and the metal-containing resin fibers are changed in shape by firing and sintering. Since it was made to join on the metal base plate in the arrangement state according to the arrangement of the arrangement holes, the interval between each two adjacent ones was almost constant, and the number per unit area of the metal base plate was almost constant. It is possible to mass-produce, with extremely high reproducibility, a porous metal body having a pseudo-porous structure in which a fibrous metal is planted on a metal base plate in a standing state.

[Brief description of the drawings]

FIG. 1A is a cross-sectional view showing a porous metal body according to a first embodiment of the present invention, and FIG. 1B is an enlarged plan view thereof.

2 (a) to 2 (d) are enlarged plan views each showing a modified example of the arrangement structure of the fibrous metal with respect to the metal base plate in the porous metal body of the above.

FIG. 3 is a sectional view showing a porous metal body according to a second embodiment of the present invention.

FIG. 4 is a perspective view showing a metal base plate in a porous metal body according to a third embodiment of the present invention.

FIG. 5 is a partially exploded perspective view showing a battery constituted by using the porous metal body of any of the above embodiments.

FIG. 6 is a process chart showing the whole manufacturing process of the method for manufacturing a porous metal body according to the first embodiment of the present invention.

FIG. 7 is an enlarged cross-sectional view of a flocking step of metal-containing resin fibers in the manufacturing process of FIG. 6;

8 is a side view showing a state in which holes are formed in the metal base plate using a mechanical punching machine in a punching step in the manufacturing step of FIG. 6;

FIG. 9 is a cross-sectional view of a flocking process showing a modification of the manufacturing method according to the first embodiment.

FIG. 10 is a cross-sectional view of a flocking process showing another modification of the manufacturing method according to the first embodiment.

FIG. 11 is an enlarged cross-sectional view of a part of the arrangement mask body used in the flocking process.

FIG. 12 is a sectional view of a flocking process showing still another modified example of the manufacturing method according to the first embodiment;

FIG. 13 is a partially broken side view showing a main step of a method for manufacturing a porous metal body according to the second embodiment of the present invention.

FIG. 14A is a perspective view showing a metal base plate on which an adhesive is applied in a stippling manner in an adhesive application step in the manufacturing method according to the embodiment, and FIG. FIG. 3C is a perspective view illustrating a state in which the resin-containing fibers are planted, and FIG.

FIG. 15 is a partially broken side view showing a flocking step of a metal-containing resin fiber in the method for producing a porous metal body according to the third embodiment of the present invention.

FIG. 16 is a perspective view showing a state where metal-containing resin fibers are inserted and arranged in the arrangement member in the flocking step of the manufacturing method according to the embodiment.

FIG. 17 is a perspective view of a state in which the metal-containing resin fibers arranged in the arrangement member in the flocking step of the manufacturing method according to the embodiment are transferred onto a metal base plate and temporarily fixed.

[Explanation of symbols]

 1, 3, 7 Metal base plate 2 Fibrous metal 5 Metal-containing resin fiber 8 Through hole 9 Burr 10 Battery 19 Adhesive coating device 21 Adhesive 22 Adhesive layer 27, 48, 51 Arrangement mask 27b, 48c, 51b Arrangement hole 28 Oriented magnet part 31 Laser drilling machine 37 Nickel powder 38 Firing furnace 39 Reduction furnace 41 Punching machine 52 Screen transfer printing device 54 Array member 54a Holding hole

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Akira Hashimoto 1006 Kazuma Kadoma, Kadoma City, Osaka Prefecture F-term in Matsushita Electric Industrial Co., Ltd. DD05 EE04 EE06 EE09 HH00 HH03

Claims (26)

[Claims] A large number of fibrous metals are joined to one or both sides of a metal base plate in an arrangement in a predetermined arrangement state set by arrangement restriction means, and the distance between each two adjacent metals is substantially equal. A porous metal body, which is fixed in a stand-up state in which the number of the metal base plates per unit area is substantially constant. 2. The porous metal body according to claim 1, wherein the metal base plate is a nickel plate or a steel plate obtained by plating a metal plate with nickel. 3. The metal porous body according to claim 1, wherein the metal base plate is a steel plate obtained by plating a nickel plate with phosphorus or nickel-phosphorus. 4. An arrangement structure of a large number of fibrous metals joined to a metal base plate is arranged in a row direction and a column direction,
In the row direction and the column direction, a total of four each two adjacent to each other form a square, a rectangle, a parallelogram or a rhombus, or an arrangement each three adjacent to form an equilateral triangle. The porous metal body according to any one of claims 1 to 3, wherein: 5. The fibrous metal has an interval of 10 between each two adjacent metals.
The porous metal body according to any one of claims 1 to 4, wherein the porous metal body is bonded to the metal base plate in an arrangement within a range of 0 to 500 µm. 6. The fibrous metal is obtained by kneading a metal powder and a binder resin to form a metal-containing resin fiber having an elongated short fiber shape of 0.5.
The length is set to 0.2 to 1 mm by a shape change due to a firing and sintering step after bonding to a metal base plate with an adhesive as a length in a range of 2 to 2 mm. A porous metal body according to any of the above. 7. The fibrous metal is obtained by kneading a metal powder and a binder resin to form a short and long fibrous metal-containing resin fiber in an amount of from 30 to 30.
The fiber diameter is set to 20 to 60 μm by a shape change due to a firing and sintering step after bonding to a metal base plate with a fiber diameter in a range of 100 μm. Metal porous body. 8. A large number of fibrous metals are inclined at a predetermined angle with respect to the vertical direction of the metal base plate, and are joined to the metal base plate in a parallel direction and in a certain direction. The porous metal body according to claim 1. 9. Nickel particles are interposed between each of a large number of fibrous metals joined to a metal base plate.
The metal porous body according to any one of the above. 10. The metal base plate in which a large number of fibrous metals are joined in a predetermined arrangement, wherein a large number of through holes are formed in non-joining portions of the fibrous metals. A porous metal body according to any of the above. 11. The metal porous body according to claim 10, wherein burrs are formed at the edge of each through hole of the metal base plate. 12. The porous metal body according to claim 11, wherein the height of the burr is set shorter than the length of the fibrous metal. 13. A method for producing a three-dimensional pseudo-porous metal porous body in which a large number of fibrous metals are joined to one or both surfaces of a metal base plate, wherein the metal base plate is transferred. A step of applying an adhesive to the surface of the metal base plate to form an adhesive layer; and a step of kneading metal powder and a binder resin to insert metal-containing resin fibers formed into elongated short fibers. An arrangement mask body formed in a predetermined arrangement in which the distance between each of the two arrangement holes adjacent to each other is substantially constant is placed in a close position at a predetermined distance from the adhesive layer with respect to the metal base plate. And a step of introducing each of the metal-containing resin fibers into each of the arrangement holes, and bonding a tip end of each of the metal-containing resin fibers to the metal base plate with the adhesive layer. And the metal substrate for the array mask body Separating each metal-containing resin fiber on the metal base plate from the arraying hole by separating the fibrous metal from the arrangement hole by firing and sintering to change the metal-containing resin fiber And a step of integrating the metal base plate with the metal base plate. 14. An arrangement mask body, wherein a plurality of arrangement holes are formed in a predetermined arrangement on a bottom plate portion of a container body, and a plurality of the arrangement mask bodies are brought into contact with each other in a state of contact with each other. While arranging along the transfer direction of the base material plate, and while moving integrally with the metal base body in an arrangement in which the arrangement holes are close to the metal base plate with a predetermined gap therebetween, The metal-containing resin fibers are introduced into the holes, and the arrangement mask body in which the introduction of the metal-containing resin fibers has been introduced into all the arrangement holes is separated from the metal base plate so that the arrangement mask is removed from the arrangement holes. After the metal-containing resin fibers are pulled out, they are conveyed in the opposite direction of the transport direction and are sequentially arranged at the rear end of the arrangement of the mask bodies for arrangement, and the arrangement positions of the mask bodies for arrangement are exchanged. The method for producing a porous metal body according to claim 13, wherein the method is performed. 15. An arrangement mask body, wherein a plurality of arrangement holes are formed in a predetermined arrangement in a bottom plate portion of a container body, and the arrangement mask body is intermittently transported at a predetermined distance. At the time of rest, the arrangement holes are arranged so as to be close to each other with a predetermined gap therebetween, and a metal-containing resin fiber is introduced into each of the arrangement holes. After separating the arrangement mask body into which the introduction of the metal-containing resin fibers has been completed, by a predetermined distance at which the metal-containing resin fibers withdraw from the arrangement holes, the metal base material is removed. 14. The method for manufacturing a porous metal body according to claim 13, wherein the plate is intermittently transported by a predetermined distance corresponding to the length of the arrangement mask body. 16. A part of an arrangement mask body in which a plurality of arrangement holes are formed in a predetermined arrangement on a bottom plate part forming an outer peripheral surface of an annular container body is transferred to a metal base plate to be transferred. On the other hand, the arrangement holes are arranged so as to be close to each other with a predetermined gap,
14. The method for producing a porous metal body according to claim 13, wherein metal-containing resin fibers are introduced into the arrangement holes, and the arrangement mask body is rotated in synchronization with the transfer of the metal base body. 17. The arrangement mask body is in the form of a drum in which a plurality of arrangement holes are provided on a bottom plate forming an outer peripheral surface of a circular container body, and the arrangement mask body is continuously transferred. 17. The method for producing a porous metal body according to claim 16, wherein the rotation is performed at the same rotation speed as the transfer speed of the metal base body to be performed. 18. A method for producing a three-dimensional pseudo-porous metal porous body in which a large number of fibrous metals are joined to one or both surfaces of a metal base plate, wherein the metal base plate is transferred. Meanwhile, a step of applying a large number of granular adhesives on the surface of the metal base plate in a stippled manner in a predetermined arrangement in which the interval between two adjacent ones is substantially constant; and bonding with a large number of metal powders The metal-containing resin fibers kneaded with an adhesive resin to form elongated short fibers in a perpendicular arrangement to the surface of the metal base plate, and the metal-containing resins dispersed on the granular adhesive. Bonding the tip of the fiber to the metal base plate with the adhesive, removing the metal-containing resin fibers that did not adhere to the metal base plate, and firing and sintering the metal. The fibrous metal and the resin fiber containing the fiber is changed Method for producing a porous metal body, characterized in that it comprises a step of integrating the Shokumoto material plate. 19. A method for producing a three-dimensional pseudo-porous metal porous body in which a large number of fibrous metals are bonded to one or both surfaces of a metal base plate, wherein the metal base plate is transferred. A step of applying an adhesive to the surface of the metal base plate to form an adhesive layer, and a step of kneading the metal powder and the binder resin to form a long and short fibrous metal-containing resin fiber. A plurality of holding holes having a small depth are provided with an arrangement member formed in a predetermined arrangement in which the interval between each two adjacent ones is substantially constant, and the metal-containing resin fibers are respectively introduced into each of the holding holes. A step of holding each of the metal-containing resin fibers in a standing state protruding vertically in the arrangement member by inserting the metal-containing resin fibers into a part of the holding hole, and the arrangement mask body and the metal base plate. And lead them to face each other in parallel In addition, after pressing the tip of each of the metal-containing resin fibers against the adhesive layer and bonding the metal base plate and the arrangement member, the metal-containing resin fibers are separated from the arrangement member by the metal. A step of transferring onto the base plate; and a step of integrating the fibrous metal formed by changing the metal-containing resin fibers by firing and sintering with the metal base plate. A method for producing a porous metal body. 20. After bonding a large number of metal-containing resin fibers to a metal base plate in a forested state, in a first step of a firing and sintering step, nickel powder is sprayed on the metal base plate to form The method for producing a porous metal body according to any one of claims 13 to 19, wherein the porous metal body is interposed between metal-containing resin fibers. 21. The method for producing a porous metal body according to claim 13, wherein nickel-phosphorus powder is mixed into the adhesive. 22. A metal base plate using a metal-containing resin fiber formed of a pure metal or an alloy having magnetic properties, or a powder obtained by dispersing a single metal powder or a metal compound having magnetic properties in a resin. When or after bonding a large number of the metal-containing resin fibers in a forested state, the metal base plate is positioned in a vertical magnetic field so that each of the metal-containing resin fibers is perpendicular to the metal base plate. 13 to 2
2. The method for producing a porous metal body according to any one of 1. 23. The production of a porous metal body according to claim 13, wherein a large number of through holes are formed in a predetermined arrangement in a metal base plate holding a large number of metal-containing resin fibers in a forested state. Method. 24. A through hole is formed in a predetermined portion of a metal base plate by drilling using a laser beam machine.
4. The method for producing a porous metal body according to item 3. 25. The method for producing a porous metal body according to claim 23, wherein a perforation needle of a perforator is forcibly inserted into a predetermined portion of the metal base plate to form a through hole. 26. An electrode plate formed by using the porous metal body according to claim 1 as a core material and filling an active material between each of a plurality of fibrous metals of the porous metal body. A battery configured using: