JP2014053185A5

JP2014053185A5 -

Info

Publication number: JP2014053185A5
Application number: JP2012197414A
Authority: JP
Filing date: 2012-09-07
Publication date: 2014-06-05

Claims

A raw material metal powder composed of a single type or a plurality of types of metal powders, alloy powders, or a mixed powder thereof is mixed with a required combustion gas using a carrier gas, and the raw material is generated using the combustion heat of combustion gas At the same time that the metal powder is heated and melted, the melted raw metal is mixed with the combustion gas and the carrier gas through a nozzle and jetted into an inert gas jetting atmosphere. In the inert gas jetting atmosphere, the diameter 2 Create a jet of ultrafine dissolved droplets of about ~ 100 μm, and make each droplet in the ultrafine dissolved droplets as desired by a refrigerant jet blown obliquely from the periphery of the jet of ultrafine dissolved droplets The raw metal ultrafine dissolution droplets are amorphized by rapidly cooling at a cooling rate, and all or a part of the raw metal ultrafine dissolution droplets are injected into the jet flow. Raw metal fine amorph Substrate that has been preheated to a required temperature, the raw material metal fine amorphous particle jet, or a mixed jet of the raw metal fine amorphous particle jet and the raw metal ultrafine dissolved droplet jet The raw material metal ultrafine amorphous particles, or a mixture of the raw material metal ultrafine amorphous particles and the raw material metal ultrafine dissolved droplets, sprayed onto the base material, collides with the base material. And the ultrafine amorphous particles collided and deposited on the base material, or the ultrafine amorphous particles obtained by connecting the ultrafine amorphous particles and the ultrafine dissolved droplets. Amorphous plate-like connection body, or the ultrafine amorphous particles or the ultrafine amorphous particles solidified by the ultrafine dissolution droplets and the ultrafine dissolution droplets solidified. A quasi-amorphous plate-like linking body composed of ultrafine crystal grains, which is a pure amorphous composite in which a pure amorphous plate-like linking body of the raw material metal is combined with the base material, or an amorphous portion and a crystal of the raw material metal To obtain a quasi-amorphous composite in which a quasi-amorphous plate-like joined body mixed with a desired ratio is combined with the base material, and to remove the pure amorphous plate-like joined body from the pure amorphous composite, Alternatively, an amorphous thin plate having a desired plate thickness manufactured by a super-quenching transition control injection method for obtaining an amorphous thin plate made of a quasi-amorphous thin plate by peeling a quasi-amorphous plate-like connector from the quasi-amorphous composite, or fusing by laser, or The outer shape is formed into the desired outer contour shape by shearing with a mold, etc., and the desired inner contour shape is obtained. Fuel cell separator, characterized in that the amorphous Sokatachi sheet of the respective desired inner and outer contour which is shaped Sokatachi desired number are stacked, the stacked amorphous Sokatachi thin plate are fixed to each other by welding.

A raw material metal powder composed of a single type or a plurality of types of metal powders, alloy powders, or a mixed powder thereof is mixed with a required combustion gas using a carrier gas, and the raw material is generated using the combustion heat of combustion gas At the same time that the metal powder is heated and melted, the melted raw metal is mixed with the combustion gas and the carrier gas through a nozzle and jetted into an inert gas jetting atmosphere. In the inert gas jetting atmosphere, the diameter 2 Create a jet of ultrafine dissolved droplets of about ~ 100 μm, and make each droplet in the ultrafine dissolved droplets as desired by a refrigerant jet blown obliquely from the periphery of the jet of ultrafine dissolved droplets The raw metal ultrafine dissolution droplets are amorphized by rapidly cooling at a cooling rate, and all or a part of the raw metal ultrafine dissolution droplets are injected into the jet flow. Raw metal fine amorph Corrosion-resistant metal that has been previously converted to a required temperature by converting the raw material metal fine amorphous particle jet, or a mixed jet of the raw metal fine amorphous particle jet and the raw metal ultrafine dissolved droplet jet, The raw metal ultrafine amorphous particles, or the mixture of the raw metal ultrafine amorphous particles and the raw metal ultrafine dissolved droplets, sprayed on the thin plate base material and contained in the mixed jet, Colliding and depositing on a thin metal plate substrate, and connecting the ultrafine amorphous particles collided and deposited on the corrosion-resistant metal thin plate substrate, or the ultrafine amorphous particles and the ultrafine dissolution droplets The obtained pure amorphous plate-like connector composed only of the ultrafine amorphous particles, or the ultrafine amorphous material obtained by solidifying the ultrafine amorphous particles or the ultrafine dissolution droplets. A quasi-amorphous plate-like linking body comprising ultrafine crystal grains produced by solidification of Rufus grains and the ultra-fine dissolution droplets, wherein the pure amorphous plate-like linking body of the raw metal is combined with the corrosion-resistant metal thin plate base material A pure amorphous composite thin plate, which is a pure amorphous composite, or a quasi-amorphous composite in which a quasi-amorphous plate-like connected body in which amorphous parts and crystallization parts of the raw metal are mixed in a desired ratio is composited with the base material Laser cutting of an amorphous composite thin plate with a desired thickness produced by a super-quenching transition controlled injection method to obtain a quasi-amorphous composite thin plate and obtain an amorphous composite thin plate composed of the pure amorphous composite thin plate or the quasi-amorphous composite thin plate The outer ring is formed into a desired outer contour shape by machining or shearing with a mold, and the desired inner ring A desired number of amorphous wound composite thin plates each having a desired inner / outer contour shape, or a semi-amorphous wound composite thin plate formed into an internal shape in the shape, are laminated, and the laminated amorphous creative thin plate Are fixed to each other by welding, a fuel cell separator.

A raw material metal powder composed of a single type or a plurality of types of metal powders, alloy powders, or a mixed powder thereof is mixed with a required combustion gas using a carrier gas, and the raw material is generated using the combustion heat of combustion gas At the same time that the metal powder is heated and melted, the melted raw metal is mixed with the combustion gas and the carrier gas through a nozzle and jetted into an inert gas jetting atmosphere. In the inert gas jetting atmosphere, the diameter 2 Create a jet of ultrafine dissolved droplets of about ~ 100 μm, and make each droplet in the ultrafine dissolved droplets as desired by a refrigerant jet blown obliquely from the periphery of the jet of ultrafine dissolved droplets The raw metal ultrafine dissolution droplets are amorphized by rapidly cooling at a cooling rate, and all or a part of the raw metal ultrafine dissolution droplets are injected into the jet flow. Raw metal fine amorph The raw material metal fine amorphous particle jet, or the mixed jet of the raw metal fine amorphous particle jet and the ultrafine melted droplet jet of the raw material metal, and the corrosion-resistant metal sheet material are fused by laser. Formed thin plate of desired inner / outer contour shape that has been formed into a desired outer contour shape by machining or shearing with a mold, and has been formed into a desired inner contour shape, and further heated to a required temperature in advance. The raw material metal ultrafine amorphous particles or a mixture of the raw material metal ultrafine amorphous particles and the raw material metal ultrafine dissolved droplets, sprayed on the raw material substrate and contained in the mixed jet, is heated. The ultrafine amorphous particles that collide and deposit on the substrate of the finished wound sheet material and collide and deposit on the heated wound sheet material, or the ultrafine amorphous particle And a pure amorphous plate-like linking body made only of the ultrafine amorphous particles obtained by connecting the ultrafine dissolution droplets, or the ultrafine amorphous particles or the ultrafine amorphous particles solidified by the ultrafine dissolution droplets And a quasi-amorphous plate-like linking body composed of ultrafine crystal grains formed by solidification of the ultra-fine dissolution droplets, wherein the pure amorphous plate-like linking body of the raw metal is combined with the wound thin plate material Pure amorphous wound composite thin plate that is a composite, or a quasi-amorphous composite in which a quasi-amorphous plate-like composite in which the amorphous part and crystallization part of the raw metal are mixed in a desired ratio is composited The quasi-amorphous wound composite thin plate is obtained, and consists of the pure amorphous wound composite thin plate or the quasi-amorphous wound composite thin plate Desired plate thickness, pure amorphous composite thin plate with desired inner / outer contour shape, or semi-amorphous composite thin plate manufactured by the ultra-quenching transition controlled injection method to obtain morphous composite thin plate A separator for a fuel cell, wherein the laminated amorphous wound thin plates are fixed to each other by welding.

A desired number of amorphous shaped thin sheets having a desired thickness and a desired shape manufactured by the ultra-quenching transition controlled injection method according to claim 1 are laminated, and the laminated amorphous shaped thin sheets are fixed to each other by welding. Each of the fuel cell separators, each of the amorphous wound thin plates created in the desired shape,
A wound-shaped substrate in which a desired outer contour shape is externally formed and a first through-channel groove having a desired inner contour shape communicating with the first through-hole, the second through-hole, and both through-holes is formed internally; The two through holes in the same shape as the first through hole, the second through hole, and the first through channel groove, and the second through channel groove having a desired inner contour shape communicating with both the through holes are formed in the inner shape respectively. And a wound slit plate in which an outer contour shape having an edge with a desired width is formed with respect to the outer contour shape of the first through hole, the second through hole, and the second through channel groove. A group of wound slit plates stacked in number,
An outer contour shape capable of covering the second through-flow channel groove of the wound slit plate is formed in an outer shape, and two through holes are formed in the same shape as the first through hole and the second through hole. The wound cover plate
Each stacked,
The shaping substrate, the shaping slit plate group and the shaping cover plate are fixed to each other by welding,
A fuel cell separator.

A desired number of amorphous shaped thin sheets having a desired thickness and a desired shape manufactured by the ultra-quenching transition controlled injection method according to claim 1 are laminated, and the laminated amorphous shaped thin sheets are fixed to each other by welding. Each of the fuel cell separators, each of the amorphous wound thin plates created in the desired shape,
A desired outer contour shape is externally formed, and the first through hole, the second through hole, the first through flow channel groove having a desired inner contour shape communicating with both the through holes, the two through holes, and a second through-hole described later. A first shaping substrate in which the third through hole and the fourth through hole are formed in a position that does not interfere with the inner contour shape of the shaping slit plate;
The two through holes in the same shape as the first through hole, the second through hole, and the first through channel groove, the second through channel groove having a desired inner contour shape communicating with both the through holes, and the third through hole And two through-holes are formed in the same shape as the fourth through-hole, and each has an edge with a desired width with respect to each of the inner-shaped through-hole and the outer contour shape of the second through-groove. A first wound slit plate group in which a desired number of first wound slit plates having an outer contour shape are wound;
-Four through holes are formed in the same shape as the first through hole, the second through hole, the third through hole, and the fourth through hole, and the same as the outer contour shape of the first wound slit plate A wound-separating wall plate whose outer contour shape is externally wound in shape,
The fourth through hole having the same shape as the first through hole, the second through hole, the third through hole, and the fourth through hole, and the third having a desired inner contour shape that communicates with the third through hole and the fourth through hole. A through-flow channel is formed in an inner shape, and an outer contour shape having an edge portion having a desired width with respect to the outer contour shape of the four through-holes and the third through-flow channel formed in the inner shape is an outer shape. A second wound slit plate group in which a desired number of the second wound slit plates are laminated;
Four through-holes having the same shape as the first through-hole, second through-hole, third through-hole and fourth through-hole, and further in communication with the third through-hole and the fourth through-hole and the third through-hole. A shaped substrate in which a fourth through-flow channel having the same shape as the flow channel is formed in an inner shape, and a desired outer contour shape is formed in an outer shape,
Are stacked,
A fuel cell separator characterized in that the shaped substrate, the shaped slit plate group, and the shaped partition plate are fixed to each other by welding.

6. The fuel cell separator according to claim 4, wherein a shape of the through-flow passage groove is a snake bend formed of one or many lines.

6. The fuel cell separator according to claim 4, wherein main formation directions of the second through flow channel groove and the third through flow channel groove are substantially parallel to each other.

6. The fuel cell separator according to claim 4, wherein main formation directions of the second through-flow channel groove and the third through-flow channel groove are inclined.

The amorphous wound thin plate material is at least crystallized immediately after the ultra-quenching transition control injection, the pure amorphous composite or the pure amorphous wound composite, or the quasi-amorphous composite or the quasi-amorphous wound composite. The separator for a fuel cell according to any one of claims 1 to 5, wherein the separator is a thin amorphous sheet material that is rolled when cooled to a temperature or lower.

The amorphous wound thin plate material is plastic fluidity immediately after the ultra-quenching transition control injection, the pure amorphous composite or the pure amorphous wound composite, or the quasi-amorphous composite or the quasi-amorphous wound composite. The separator for a fuel cell according to any one of claims 1 to 5, wherein the separator is a thin amorphous sheet material that is rolled when cooled to a temperature range.

6. The fuel cell separator according to claim 1, wherein the welding is spot welding, beam welding, or seam welding alone or in combination.

12. The fuel cell separator according to claim 11, wherein the beam welding is laser beam welding or electron beam welding.

12. The fuel cell separator according to claim 11, wherein the spot welding is laser beam welding.

The separator for a fuel cell according to any one of claims 1 to 5, wherein a thickness of the amorphous wound thin plate is 60 to 600 µm.

6. The fuel cell separator according to claim 1, wherein a thickness of the amorphous wound thin plate is preferably 150 to 550 μm.

6. The fuel cell separator according to claim 1, wherein a thickness of the amorphous wound thin plate is more preferably 200 to 500 μm.

The wound-shaped slit plate group is formed by laminating a wound-shaped slit plate made of one or a plurality of corrosion-resistant metal thin plates and an amorphous-made wound slit plate on one or both sides of the wound-shaped slit plate. The fuel cell separator according to claim 4, wherein the fuel cell separator is a fuel cell separator.

The wound-shaped slit plate group is made of one or a plurality of corrosion-resistant metal thin plates, and the amorphous material-made substrate, the amorphous material-made cover plate, or the amorphous material-made partition wall plate is laminated. The fuel cell separator according to claim 17.

The amorphous wound thin plate of each desired shape is covered with an amorphous layer having a desired thickness that is subjected to transition control injection by a super-quenching transition control injection method on a corrosion-resistant metal thin plate. The fuel cell separator according to any one of the preceding claims.

20. The fuel cell separator according to claim 19, wherein the thickness of the corrosion-resistant metal thin plate is 100 to 2000 [mu] m.

A method for producing a separator for a fuel cell, comprising a single type or a plurality of types of metal powders, alloy powders, or mixed powders thereof, and mixing raw metal powders with a required combustion gas using a carrier gas, The raw material metal powder is heated and melted using the combustion heat of the combustion gas, and at the same time, the melted raw material metal is mixed with the combustion gas and the carrier gas through a nozzle and injected into an inert gas injection atmosphere. In a jet atmosphere of inert gas, create a jet of ultra-fine dissolved droplets with a diameter of about 2 to 100 μm, and use the ultra-fine melted jet that blows obliquely from the periphery of the jet of ultra-fine dissolved droplets. Each of the droplets in the droplet is rapidly cooled at a desired cooling rate to amorphize all or a part of the raw metal ultrafine dissolution droplets, Or one of them Is converted into the raw material metal fine amorphous particle jet during the jet flow, or the raw material metal fine amorphous particle jet or the mixed jet of the raw metal fine amorphous particle jet and the raw metal ultrafine dissolved droplet jet , Sprayed onto a substrate heated to a required temperature in advance, and contained in the mixed jet, the raw metal ultrafine amorphous particles, or the raw metal ultrafine amorphous particles and the raw metal ultrafine dissolved droplets The mixture is collided and deposited on the base material, and the ultrafine amorphous particles collided and deposited on the base material or the ultrafine amorphous particles and the ultrafine dissolved droplets are connected to each other. Pure amorphous plate-like connector comprising only ultrafine amorphous particles, or ultrafine amorphous material obtained by solidifying the ultrafine amorphous particles or the ultrafine dissolved droplets A semi-amorphous plate-like linking body comprising ultrafine crystal grains produced by solidification of the slag and the ultrafine dissolution droplets, wherein the pure amorphous plate-like linking body of the raw material metal is combined with the base material. After obtaining a composite, or a quasi-amorphous composite in which a quasi-amorphous plate-like connected body in which an amorphous part and a crystallization part of the raw material metal are mixed in a desired ratio is obtained, the pure amorphous composite Ultra-rapid transition control injection method to obtain a pure amorphous thin plate by peeling a pure amorphous plate-like connected body from the body or to obtain an amorphous thin plate made of a quasi-amorphous thin plate by peeling a quasi-amorphous plate-like connected body from the quasi-amorphous composite The desired outer contour of the amorphous thin plate produced by the above method can be cut by laser cutting or shearing by a mold. Forming step, forming an inner shape into a desired inner contour shape, then laminating a desired number of amorphous forming thin plates of each desired inner and outer contour shape through the forming step, and further, the desired step A process for producing a separator for a fuel cell, comprising: a step of fixing a plurality of laminated amorphous wound thin plates to each other by welding.

A method for producing a separator for a fuel cell, comprising a single type or a plurality of types of metal powders, alloy powders, or mixed powders thereof, and mixing raw metal powders with a required combustion gas using a carrier gas, The raw material metal powder is heated and melted using the combustion heat of the combustion gas, and at the same time, the melted raw material metal is mixed with the combustion gas and the carrier gas through a nozzle and injected into an inert gas injection atmosphere. In a jet atmosphere of inert gas, create a jet of ultra-fine dissolved droplets with a diameter of about 2 to 100 μm, and use the ultra-fine melted jet that blows obliquely from the periphery of the jet of ultra-fine dissolved droplets. Each of the droplets in the droplet is rapidly cooled at a desired cooling rate to amorphize all or a part of the raw metal ultrafine dissolution droplets, Or one of them Is converted into the raw material metal fine amorphous particle jet during the jet flow, or the raw material metal fine amorphous particle jet or the mixed jet of the raw metal fine amorphous particle jet and the raw metal ultrafine dissolved droplet jet The raw material metal ultrafine amorphous particles or the raw material metal ultrafine amorphous particles and the raw metal ultrafine dissolution contained in the mixed jet are sprayed on a corrosion-resistant metal thin plate substrate that has been heated to a required temperature in advance. The mixture with droplets collides and deposits on the corrosion-resistant metal thin plate substrate, and collides and deposits on the corrosion-resistant metal thin plate substrate, or the ultrafine amorphous particles and A pure amorphous plate-like connected body composed only of the ultrafine amorphous particles obtained by connecting the ultrafine dissolution droplets, or the ultrafine amorphous particles Is a quasi-amorphous plate-like connecting body composed of ultrafine amorphous particles solidified by the ultrafine dissolution droplets and ultrafine crystal grains generated by solidification of the ultrafine dissolution droplets, and a pure amorphous plate shape of the raw metal A pure amorphous composite thin plate, which is a pure amorphous composite composited with the base material, or a quasi-amorphous plate-like connected body in which an amorphous part and a crystallization part of the raw material metal are mixed in a desired ratio is the corrosion-resistant metal. After obtaining a quasi-amorphous composite thin plate that is a quasi-amorphous composite compounded with a thin plate base material, the ultra-acute transition control injection method is used to obtain the pure amorphous composite thin plate or an amorphous composite thin plate made of the quasi-amorphous composite thin plate. The manufacturing process, the obtained amorphous composite thin plate of the desired thickness is fusing by laser or shearing by mold Forming the outer shape to the desired outer contour shape by construction, etc., and then creating the inner shape to the desired inner contour shape, and then laminating the desired number of amorphous forming thin plates of each desired inner and outer contour shape through the above-mentioned shaping step A method for producing a separator for a fuel cell, comprising: a laminating step, and a step of fixing the desired number of amorphous shaped thin plates to each other by welding.

A method for producing a separator for a fuel cell, comprising a single type or a plurality of types of metal powders, alloy powders, or mixed powders thereof, and mixing raw metal powders with a required combustion gas using a carrier gas, The raw material metal powder is heated and melted using the combustion heat of the combustion gas, and at the same time, the melted raw material metal is mixed with the combustion gas and the carrier gas through a nozzle and injected into an inert gas injection atmosphere. In a jet atmosphere of inert gas, create a jet of ultra-fine dissolved droplets with a diameter of about 2 to 100 μm, and use the ultra-fine melted jet that blows obliquely from the periphery of the jet of ultra-fine dissolved droplets. Each of the droplets in the droplet is rapidly cooled at a desired cooling rate to amorphize all or a part of the raw metal ultrafine dissolution droplets, Or one of them Is converted into the raw material metal fine amorphous particle jet during the jet flow, or the raw material metal fine amorphous particle jet or the mixed jet of the raw metal fine amorphous particle jet and the raw metal ultrafine dissolved droplet jet The desired inner / outer contour shape is formed in advance to the desired outer contour shape by cutting the corrosion-resistant metal thin plate material by laser cutting or shearing using a mold, etc. Forming the shaped thin plate material, and then spraying onto the shaped thin plate material base material heated to a desired temperature, and contained in the mixed jet, the raw metal ultrafine amorphous particles, or the raw metal ultrafine amorphous material The mixture of the grains and the raw metal ultrafine dissolution droplets collides and deposits on the heated wound thin sheet material, and collides and deposits on the heated wound thin sheet material. In addition, the ultrafine amorphous particles, or a pure amorphous plate-like linking body composed only of ultrafine amorphous particles obtained by linking the ultrafine amorphous particles and the ultrafine dissolution droplets, or the ultrafine amorphous particles or A quasi-amorphous plate-like linking body comprising ultrafine amorphous particles solidified by the ultrafine dissolution droplets and ultrafine crystal grains produced by solidification of the ultrafine dissolution droplets, the pure amorphous plate shape of the raw metal Pure amorphous wound composite thin plate, which is a pure amorphous wound composite in which the connected body is composited with the wound thin sheet material, or a quasi-amorphous plate in which amorphous parts and crystallization parts of the raw metal are mixed in a desired ratio To obtain a quasi-amorphous wound composite thin plate, which is a quasi-amorphous wound composite in which a ligature is combined with the wound thin plate material, Manufacturing process by ultra-quenching transition controlled injection method to obtain an amorphous wound composite sheet or an amorphous wound thin sheet comprising the quasi-amorphous wound composite sheet, an amorphous wound having a desired inner and outer contour shape with the obtained desired sheet thickness A fuel cell separator manufacturing method comprising: a laminating step of laminating a desired number of shaped thin plates; and a step of fixing the amorphous shaped thin plates laminated with the desired number of sheets together by welding.

The method for producing the separator for a fuel cell includes the pure amorphous composite or the pure sheet in which the amorphous wound thin plate material used is cooled to a crystallization temperature or less immediately after the transition control injection step by a super quench transition control injection method. 24. The method for producing a fuel cell separator according to claim 21, wherein the amorphous wound composite, or the quasi-amorphous composite or the quasi-amorphous wound composite is subjected to a rolling process. .

The method for producing the separator for a fuel cell includes the pure amorphous composite in which the amorphous wound thin plate material to be used is cooled to a plastic fluidity temperature range immediately after the transition control injection step by a super quench transition control injection method, or 24. The production of a fuel cell separator according to claim 21, wherein a pure amorphous wound composite, or the quasi-amorphous composite or the quasi-amorphous wound composite is subjected to a rolling process. Method.