WO2008072684A1 - 蓄電池 - Google Patents
蓄電池 Download PDFInfo
- Publication number
- WO2008072684A1 WO2008072684A1 PCT/JP2007/073997 JP2007073997W WO2008072684A1 WO 2008072684 A1 WO2008072684 A1 WO 2008072684A1 JP 2007073997 W JP2007073997 W JP 2007073997W WO 2008072684 A1 WO2008072684 A1 WO 2008072684A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- film
- metamaterial
- metal
- metal sheet
- storage battery
- Prior art date
Links
- 238000003860 storage Methods 0.000 title claims abstract description 74
- 239000004065 semiconductor Substances 0.000 claims abstract description 123
- 239000013078 crystal Substances 0.000 claims abstract description 57
- 229910052751 metal Inorganic materials 0.000 claims description 140
- 239000002184 metal Substances 0.000 claims description 140
- 239000012535 impurity Substances 0.000 claims description 21
- 230000001590 oxidative effect Effects 0.000 claims description 15
- 229910000765 intermetallic Inorganic materials 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 6
- 239000006104 solid solution Substances 0.000 claims description 6
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 2
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 239000010408 film Substances 0.000 abstract description 323
- 239000012789 electroconductive film Substances 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 68
- 238000000034 method Methods 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000005224 laser annealing Methods 0.000 description 9
- 230000010287 polarization Effects 0.000 description 8
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 7
- 238000005229 chemical vapour deposition Methods 0.000 description 6
- 239000003792 electrolyte Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 238000004544 sputter deposition Methods 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000012212 insulator Substances 0.000 description 4
- 239000002923 metal particle Substances 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910018134 Al-Mg Inorganic materials 0.000 description 1
- 229910018125 Al-Si Inorganic materials 0.000 description 1
- 229910018467 Al—Mg Inorganic materials 0.000 description 1
- 229910018520 Al—Si Inorganic materials 0.000 description 1
- 229910017518 Cu Zn Inorganic materials 0.000 description 1
- 229910017755 Cu-Sn Inorganic materials 0.000 description 1
- 229910017752 Cu-Zn Inorganic materials 0.000 description 1
- 229910017927 Cu—Sn Inorganic materials 0.000 description 1
- 229910017943 Cu—Zn Inorganic materials 0.000 description 1
- 229910017061 Fe Co Inorganic materials 0.000 description 1
- 229910017060 Fe Cr Inorganic materials 0.000 description 1
- 229910002544 Fe-Cr Inorganic materials 0.000 description 1
- 229910003023 Mg-Al Inorganic materials 0.000 description 1
- 229910003271 Ni-Fe Inorganic materials 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical group [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/26—Electrodes characterised by their structure, e.g. multi-layered, porosity or surface features
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/46—Metal oxides
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Definitions
- the present invention relates to a capacitor-type storage battery.
- the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a capacitor-type storage battery that has a short charge time, a long life, and a high output voltage. is there.
- a capacitor-type storage battery according to the present invention includes a metal sheet connected to the first terminal,
- the first metamaterial film is a polycrystalline semiconductor film, and in each of the crystal grains constituting the polycrystalline semiconductor film, the inside is the first conductivity type, and the vicinity of the interface is the second conductivity type.
- Another capacitor-type storage battery includes a metal sheet connected to a first terminal, a first metamaterial film formed on a surface of the metal sheet, A first conductive film formed on the first metamaterial film and connected to a second terminal; and
- the first metamaterial film is a polycrystalline semiconductor film, and a metal layer is located at a crystal interface in the polycrystalline semiconductor film.
- Another capacitor-type storage battery includes a metal sheet connected to a first terminal, a first metamaterial film formed on a surface of the metal sheet,
- the first metamaterial film is a polycrystalline semiconductor film, and an insulating layer is formed by oxidizing a crystal interface in the polycrystalline semiconductor film.
- Another capacitor-type storage battery includes a metal sheet connected to a first terminal, a first metamaterial film formed on a surface of the metal sheet,
- the first metamaterial film is a metal polycrystalline film, and an insulating layer, an intermetallic compound layer containing the metal, or a metal alloy or impurity containing the metal is present at a crystal interface in the metal polycrystalline film.
- a solid solution is located.
- the insulating layer includes the metal oxide, organic insulator, and inorganic insulator such as glass.
- Another capacitor-type storage battery includes a metal sheet connected to a first terminal, a first metamaterial film formed on a surface of the metal sheet,
- the first metamaterial film has a structure in which a first conductive type semiconductor layer and a second conductive type semiconductor layer are alternately stacked at least one layer at a time.
- Another capacitor-type storage battery includes a metal sheet connected to a first terminal, a first metamaterial film formed on a surface of the metal sheet,
- the first metamaterial film has a structure in which semiconductor films and metal layers are alternately stacked at least one layer at a time.
- Another capacitor-type storage battery includes a metal sheet connected to a first terminal, a first metamaterial film formed on a surface of the metal sheet,
- the first metamaterial film has a structure in which a plurality of semiconductor films are stacked, and an insulating layer is formed on the surface of the semiconductor film.
- Another capacitor-type storage battery includes a metal sheet connected to a first terminal, a first metamaterial film formed on a surface of the metal sheet,
- the first metamaterial film has a structure in which a conductor film having a thickness of 10 nm or more and lOOnm or less and an insulating film having a thickness of 2 nm or more and lOnm or less are alternately laminated at least one layer at a time.
- the second metamaterial film according to the first example is a polycrystalline semiconductor film, and in each crystal grain constituting the polycrystalline semiconductor film, the inside is the first conductivity type, and the vicinity of the interface is formed. The side is the second conductivity type.
- the second metamaterial film according to the second example is a polycrystalline semiconductor film, and a metal layer is located at a crystal interface in the polycrystalline semiconductor film.
- the second metamaterial film according to the third example is a polycrystalline semiconductor film, and an insulating layer is formed by oxidizing a crystal interface in the polycrystalline semiconductor film.
- the second metamaterial film according to the fourth example is a metal polycrystalline film, and an oxide layer of the metal or an intermetallic compound layer containing the metal is present at a crystal interface in the metal polycrystalline film. To position.
- the second metamaterial film according to the fifth example has a structure in which a first conductive type semiconductor film and a second conductive type semiconductor film are alternately stacked at least one layer at a time.
- the second metamaterial film according to the sixth example has a structure in which a plurality of semiconductor films are stacked, and a metal layer is located between the plurality of semiconductor films.
- the second metamaterial film according to the seventh example has a structure in which a plurality of semiconductor films are stacked, and the surface of the semiconductor film is oxidized to form an insulating layer.
- the second metamaterial film according to the eighth example has a structure in which a conductor film having a thickness of lOnm or more and lOOnm or less and an insulating film having a thickness of 2 nm or more and 10 nm or less are alternately laminated at least one layer at a time.
- a laminate of the metal film, the first and second metamaterial films, and the first and second conductive films is preferably wound into a roll shape.
- Another capacitor-type storage battery includes a metal sheet connected to a first terminal, a first metamaterial film formed on a surface of the metal sheet,
- the first metamaterial film is a polycrystalline semiconductor film, and a crystal interface in the polycrystalline semiconductor film is a pn junction, a Schottky connection, or a tunnel connection.
- an oxide insulating film is formed on the surface of the metal sheet.
- the first metamaterial film is formed on the oxide insulating film.
- a capacitor-type storage battery that does not use an electrolyte can be provided. For this reason, the charging time is shortened compared to the conventional case. In addition, the life of the storage battery is extended. In addition, since the output voltage of the storage battery is determined by the breakdown voltage of the oxide insulating film and the metamaterial film, the output voltage of the storage battery can be increased as compared with the conventional case.
- FIG. 1 is a cross-sectional view of a storage battery according to an embodiment of the present invention.
- FIG. 1 is a schematic diagram of a longitudinal section of a capacitor-type storage battery according to an embodiment of the present invention.
- This storage battery is obtained by winding a storage sheet 1 around a reel 3 in a roll shape.
- FIG. 1 shows a cross section for explaining the configuration of the electricity storage sheet 1.
- Storage sheet 1 is
- the oxide insulating film 10a is formed by oxidizing the front and back surfaces of the conductive sheet 10, respectively. Further, metamaterial films 13 and 14 are formed on the two oxide insulating films 10a, respectively, and conductive films 11 and 12 are formed on the metamaterial films 13 and 14, respectively.
- the conductive sheet 10 is, for example, an Mg—Al alloy and has a thickness of 0.1 ⁇ m to 200 ⁇ m.
- Oxide insulating film 10a has, for example, a spinel structure (cubic closest packing, 4: 6: 4 coordination, AB 0) or a rock salt structure.
- the conductive films 11 and 12 are, for example, metal films (for example, eight films) having a thickness of 0 ⁇ 05 to 5 111, and are formed by, for example, a sputtering method.
- the electrically conductive films 11 and 12 can also be formed by CVD method.
- the conductive film 12 is exposed at the end of the electricity storage sheet 1.
- a terminal 21 for applying a voltage to the conductive film 12 is connected to the exposed portion.
- the conductive film 11, the metamaterial film 13, and the oxide insulating film 10 a are removed from the rear end portion of the power storage sheet 1, and the conductive sheet 10 is exposed.
- a terminal 22 is connected to the exposed portion to apply the other voltage to the conductive sheet 10.
- the conductive film 11 becomes a series capacitor connection circuit having an intermediate voltage, and charges are accumulated. For this reason, it becomes metal conduction compared with the current through the electrolyte, and the charging time is shortened compared with the conventional current.
- the potential difference between the terminals 21 and 22, that is, the upper limit value of the operating voltage of the storage battery is determined by the total breakdown voltage of the oxide insulating film 10a and the metamaterial films 13 and 14.
- the oxide insulating film 10a is a magnesium oxide film having a thickness of lOOnm
- the withstand voltage of the oxide insulating film 10a is lkV.
- the breakdown voltage of metamaterials varies greatly from the power V to 100 V depending on the film formation structure, and is added to the breakdown voltage of the oxide insulation film. For this reason, it is possible to increase the operating voltage of the storage battery compared to the conventional case.
- the oxide insulating film 10a and the metamaterial films 13 and 14 have a defect
- the oxide insulating film 10a and the metamaterial films 13 and 14 are completely cut off at the portion where the defect exists. The edge breaks and discharge occurs. By this discharge, the conductive film 11 located on the defective portion can be evaporated, and the defective portion can be prevented from affecting the operation of the storage battery.
- the metamaterial films 13 and 14 are polycrystalline semiconductor films.
- the inside is the first conductivity type (for example, n-type), and the vicinity of the interface is By becoming the second conductivity type (for example, p-type), the vicinity of the crystal interface in the polycrystalline semiconductor film is a pn junction.
- Such a configuration can be formed by, for example, the following steps. First, it has a first conductivity type impurity (for example, a Group V impurity such as P) and a second conductivity type impurity (for example, a Group III impurity such as B) having a diffusion coefficient larger than that of the first conductivity type impurity.
- a polycrystalline semiconductor film for example, a polycrystalline silicon film
- This polycrystalline semiconductor film can be formed by introducing impurity gases (for example, B H and PH) of the first conductivity type and the second conductivity type into the source gas (for example, silane-based gas). In this state
- the conductivity type of the polycrystalline semiconductor film is preferably neutral.
- the other crystal semiconductor film is instantaneously heated (for example, laser annealing).
- the impurity introduced into the polycrystalline semiconductor film has a larger diffusion coefficient in the polycrystalline semiconductor film in the second conductivity type than in the first conductivity type.
- the first conductivity type impurity moves to the vicinity of the crystal grain boundary of the polycrystalline semiconductor film, and in each crystal grain constituting the polycrystalline semiconductor film, the inside is the first conductivity type, and the vicinity of the interface is the first conductivity type.
- 2 Conductive type The impurity moves to the vicinity of the grain boundary because it is more stable in energy.
- the polycrystalline semiconductor film may be a Ge film, an A1N film, a BN film, or a GaN film.
- the metamaterial films 13 and 14 are polycrystalline semiconductor films. Since the metal layer is located at the crystal interface in the polycrystalline semiconductor film, the interface becomes a Schottky connection. Yes. The metal layer is formed over almost the entire area of the crystal interface so that adjacent crystals are not in direct contact with each other. The thickness of the metal layer is, for example, 2 nm or more and 50 nm or less. [0031] Such a configuration can be formed, for example, by the following steps. First, a polycrystalline semiconductor film (for example, a polycrystalline silicon film) having a metal such as Cu or A1 is formed. The number of metal atoms contained in the polycrystalline semiconductor film is, for example, 10 1Q to 10 2 ° m 3 .
- the polycrystalline semiconductor film is instantaneously heated (for example, laser annealing) to move the metal to the crystal grain boundary of the polycrystalline semiconductor film, thereby forming a metal layer at the crystal interface in the crystalline semiconductor film.
- the metal moves to the grain boundary by instantaneous heating to form a metal layer because it is more stable in energy.
- the polycrystalline semiconductor film may be a Ge film, an A1N film, a BN film, or a GaN film.
- the metamaterial films 13 and 14 are polycrystalline semiconductor films, and the crystalline interface force in the polycrystalline semiconductor film is oxidized to form an insulating layer. S tunnel connection.
- the thickness of the oxide layer is, for example, not less than 2 nm and not more than 15 nm.
- Such a configuration can be formed, for example, by the following steps. First, a polycrystalline semiconductor film (for example, a polycrystalline silicon film) is formed by a CVD method. Next, this polycrystalline semiconductor film is instantaneously heated (for example, laser annealing) in an oxidizing atmosphere. As a result, the crystal interface is selectively oxidized, and an insulating layer is formed at the crystal interface. The insulating layer is formed over substantially the entire crystal interface so that adjacent crystals do not directly contact each other.
- the polycrystalline semiconductor film may be a Ge film, an A1N film, a BN film, or a GaN film.
- the first method is applied to the polycrystalline semiconductor film by the same method as in the first example.
- the vicinity of the crystal interface can be a pn junction instead of a tunnel connection.
- the metamaterial films 13 and 14 are polycrystalline metal films, and an oxide layer of the metal, which is an insulating layer, is located at the crystal interface in the polycrystalline metal film.
- the thickness of the oxide layer is, for example, not less than 2 nm and not more than 15 nm.
- the oxide layer is formed over substantially the entire crystal interface so that adjacent crystals do not directly contact each other.
- the size of the metal crystal is, for example, not less than 50 nm and not more than 5000 nm.
- Such a configuration can be formed, for example, by the following steps. First, a metal polycrystalline film is formed by sputtering. Next, this metal polycrystalline film is flashed in an oxidizing atmosphere. Heat briefly (eg, laser annealing). As a result, the crystal interface is selectively oxidized, and an oxide layer is formed at the crystal interface.
- the metal is, for example, Ni, Fe, Cu, Al, Mg, Ag, Sn, or Cr.
- An inorganic insulating material such as an organic insulating film or glass may be located at the crystal interface in the metal polycrystalline film.
- a structure can be formed by the following steps, for example. First, a dispersion material is coated on the surface of metal particles having a particle size of 50 nm to 5000 nm. This dispersion material suppresses aggregation of metal particles, and a general dispersion material that suppresses aggregation of nano metal particles can be used. Next, the metal particles are introduced into a solution in which the organic insulator or the facing insulator is dissolved, and the solvent of the solution is evaporated. As a result, a metal polycrystalline film in which an inorganic insulating material such as an organic insulating film or glass is located at the crystal interface is formed.
- the crystal interface in the case where the polycrystalline metal film is formed of an oxide having a semiconductor characteristic, the crystal interface can be in a Schottky connection.
- the metamaterial films 13 and 14 are metal polycrystalline films, and an intermetallic compound layer containing this metal or this metal is applied to the crystal interface in the metal polycrystalline film. Contains alloy or impurity solid solution layer. Each of these layers is formed over almost the entire area of the crystal interface so that adjacent crystals are not in direct contact with each other.
- the thickness of the intermetallic compound layer, alloy layer, or impurity solid solution layer is, for example, 2 nm or more and 15 nm or less.
- Such a configuration can be formed, for example, by the following steps. First, a metal polycrystalline film in which a second metal that forms an intermetallic compound with the first metal is added to the first metal by sputtering. Next, the metal polycrystalline film is instantaneously heated (for example, laser annealing). Thereby, an intermetallic compound layer is selectively formed from the crystal interface.
- the metal polycrystalline film is, for example, an alloy such as Ni-Fe, Fe-Cr, Fe-Co, Al-Si, Al-Mg, Cu-Zn, or Cu-Sn.
- the metamaterial films 13 and 14 are formed by alternately stacking at least one layer of a first conductivity type (eg, p-type) semiconductor layer and a second conductivity type (eg, n-type) semiconductor layer.
- the first conductive type semiconductor layer and the second conductive type semiconductor layer have a pn junction between them.
- the thickness of the first conductivity type semiconductor layer and the second conductivity type semiconductor layer is, for example, 2 nm. Above lOOnm.
- Such a configuration can be formed by alternately stacking a first conductivity type semiconductor layer (for example, a polycrystalline silicon film) and a second conductivity type semiconductor layer (for example, a polycrystalline silicon film) by a CVD method.
- a first conductivity type semiconductor layer for example, a polycrystalline silicon film
- a second conductivity type semiconductor layer for example, a polycrystalline silicon film
- This can be realized by introducing an impurity gas (for example, B H or PH) of the first conductivity type or the second conductivity type into the source gas (for example, silane-based gas).
- the semiconductor layer may be a Ge film, an A1N film, a BN film, or a GaN film.
- the metamaterial films 13 and 14 have a Schottky connection between the semiconductor films and metal layers by laminating them.
- Such a configuration can be formed by repeatedly performing a step of forming a semiconductor film (for example, a polycrystalline silicon film) by a CVD method and a step of forming a metal layer on the semiconductor film by a sputtering method.
- the number of times of stacking shall be one or more.
- the semiconductor film may be a Ge film, an A1N film, a BN film, or a GaN film.
- the metamaterial films 13 and 14 have a structure in which a plurality of semiconductor films are laminated, and an insulating layer is formed on the surface of these semiconductor films, so that an interlayer between the plurality of semiconductor films is formed. It is a channel connection.
- the number of stacked semiconductor films is two or more.
- Such a configuration can be formed by repeatedly performing a process of forming a semiconductor film (eg, a polycrystalline silicon film) by a CVD method and a step of thermally oxidizing or plasma oxidizing the surface of the semiconductor film. .
- the number of repetitions shall be one or more.
- the semiconductor film may be a Ge film, an A1N film, a BN film, or a GaN film.
- the metamaterial films 13 and 14 have a structure in which a conductor film having a thickness of lOnm or more and lOOnm or less and an insulating film having a thickness of 2nm or more and 10nm or less are alternately laminated at least one layer at a time.
- Such a configuration can be formed by repeatedly performing a step of forming a conductor film (for example, a metal film) by a sputtering method and a step of thermally oxidizing or plasma oxidizing the surface of the semiconductor film. The number of repetitions shall be one or more.
- the metamaterial films 13 and 14 preferably have a relative dielectric constant of 1000 or more in order to increase the capacity of the storage battery.
- the relative permittivity is 1000 or more and the relative permeability is 10 or more in order to increase the capacity of the storage battery. Is preferred.
- the metamaterial film 13 and the metamaterial film 14 are different from each other in the first to ninth examples described above (for example, the metamaterial film 13 is the first example, and the metamaterial film 14 is the first one. Example 2)!
- FIG. 2 shows the types of polarisers and the polarization frequency characteristics.
- the phenomenon of polarization due to the movement of carriers in a semiconductor block with a certain volume as shown in Fig. 2 is called polarization due to space charge distribution. Since it takes time force S until the distribution state settles, polarization occurs only at a low frequency. Also, the larger the volume, the more time it takes for the carriers to move, and thus polarization at a lower frequency. In a capacitor-type storage battery, the current is almost direct current, so that the effect of polarization at a low frequency can be utilized.
- barriers include pn junctions, Schottky junctions, and tunnel connections.
- a metal or alloy having an electrical resistance or an intermetallic compound a similar effect can be achieved by forming a thin insulating layer of, for example, 10 mm or less at the interface of the polycrystalline particles.
- a counter electrode such as a capacitor, the effect is the same if a layer structure that can extend infinitely in parallel to the cell electrode is used.
- Oxide insulating layer 10a is shown. Dimensions perpendicular to the potential are shown in a layer structure. Oxide insulating layer 10a
- the thickness of the metamaterial film responds to the rapid charge and rapid discharge time, it is appropriate that the thickness of one cell is 10nm to lOOnm.
- the effective relative permittivity is about 1000 forces, and about 10,000. With this thickness, a 1 to 10 layer structure can be an appropriate value in manufacturing.
- Polycrystals are desirable to limit the planar polarization to the dynamic potential change in the plane direction. If the metamaterial film is about lOOnm, it can have sufficient flexibility and there is no structural problem.
- the withstand voltage is proportionally added by the number of polycrystal electrodes in the Z direction.
- the conductive sheet 10 is manufactured.
- the front and back surfaces of the conductive sheet 10 are oxidized to form an oxide insulating film 10a.
- This oxidation treatment is performed by, for example, a plasma oxidation method or a thermal oxidation method. Is called.
- the oxide insulating film 10a is not formed on the end portion of the conductive sheet 10.
- the metamaterial films 13 and 14 are formed on the conductive sheet 10 by the method described above.
- conductive films 11 and 12 are formed on the metamaterial films 13 and 14 by sputtering or the like. Thereafter, the terminal 22 is connected to the conductive sheet 10 and the terminal 21 is connected to the conductive film 11.
- a capacitor-type storage battery that does not use an electrolyte can be provided.
- C I is the capacity of the oxide insulating film 10a
- C2 is the capacity of the metamaterial film 13.
- the metamaterial film may be configured to have insulation at the atomic level instead of tunnel connection.
- the polycrystalline semiconductor film is laser-annealed, and the polycrystalline semiconductor film is configured by moving the first conductivity type impurity to a vicinity of a crystal grain boundary of the polycrystalline semiconductor film.
- Each of the crystal grains to be processed has a first conductivity type inside and a second conductivity type near the interface;
- a method for manufacturing a capacitor-type storage battery comprising:
- Forming a metal layer at a crystal interface in the polycrystalline semiconductor film by laser annealing the polycrystalline semiconductor film and moving the metal to a crystal grain boundary of the polycrystalline semiconductor film;
- a method for manufacturing a capacitor-type storage battery comprising:
- a method for manufacturing a capacitor-type storage battery comprising:
- a method for manufacturing a capacitor-type storage battery comprising:
- the present invention provides a capacitor that has a short charge time, a long life, and a high output voltage.
- Type storage battery
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- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
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- Materials Engineering (AREA)
- Semiconductor Integrated Circuits (AREA)
- Secondary Cells (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2008549351A JPWO2008072684A1 (ja) | 2006-12-14 | 2007-12-13 | 蓄電池 |
US12/519,020 US20100014211A1 (en) | 2006-12-14 | 2007-12-13 | Storage battery |
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JP2006336601 | 2006-12-14 | ||
JP2006-336601 | 2006-12-14 |
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WO2008072684A1 true WO2008072684A1 (ja) | 2008-06-19 |
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PCT/JP2007/073997 WO2008072684A1 (ja) | 2006-12-14 | 2007-12-13 | 蓄電池 |
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US (1) | US20100014211A1 (ja) |
JP (1) | JPWO2008072684A1 (ja) |
CN (1) | CN101578674A (ja) |
WO (1) | WO2008072684A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114976330A (zh) * | 2022-06-20 | 2022-08-30 | 中创新航技术研究院(江苏)有限公司 | 一种电池装置及其绝缘膜的耐压值的确定方法和确定装置 |
Citations (5)
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JPS62273711A (ja) * | 1986-05-21 | 1987-11-27 | 昭和電工株式会社 | 巻回型固体電解コンデンサの製造方法 |
JPS6465816A (en) * | 1987-09-04 | 1989-03-13 | Sumitomo Metal Ind | Semiconductor ceramic capacitor and manufacture thereof |
JPH01187913A (ja) * | 1988-01-22 | 1989-07-27 | Sumitomo Metal Ind Ltd | 積層型半導体磁器コンデンサの製造方法 |
JPH0536931A (ja) * | 1991-07-26 | 1993-02-12 | Olympus Optical Co Ltd | メモリ素子及びその製造方法 |
JP2001274034A (ja) * | 2000-01-20 | 2001-10-05 | Shinko Electric Ind Co Ltd | 電子部品パッケージ |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US4131903A (en) * | 1976-08-03 | 1978-12-26 | Siemens Aktiengesellschaft | Capacitor dielectric with inner blocking layers and method for producing the same |
DE3787119T2 (de) * | 1986-05-20 | 1993-12-23 | Nippon Chemicon | Elektrolytischer Kondensator des Wickeltyps. |
US5390072A (en) * | 1992-09-17 | 1995-02-14 | Research Foundation Of State University Of New York | Thin film capacitors |
US5844770A (en) * | 1997-08-21 | 1998-12-01 | K Systems Corporation | Capacitor structures with dielectric coated conductive substrates |
JP4947752B2 (ja) * | 2001-03-30 | 2012-06-06 | 日立造船株式会社 | 蓄電体 |
JP5302692B2 (ja) * | 2007-01-26 | 2013-10-02 | 昭和電工株式会社 | コンデンサ材料およびその製造方法、ならびにその材料を含むコンデンサ、配線板および電子機器 |
-
2007
- 2007-12-13 CN CNA2007800455999A patent/CN101578674A/zh active Pending
- 2007-12-13 WO PCT/JP2007/073997 patent/WO2008072684A1/ja active Search and Examination
- 2007-12-13 JP JP2008549351A patent/JPWO2008072684A1/ja not_active Withdrawn
- 2007-12-13 US US12/519,020 patent/US20100014211A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62273711A (ja) * | 1986-05-21 | 1987-11-27 | 昭和電工株式会社 | 巻回型固体電解コンデンサの製造方法 |
JPS6465816A (en) * | 1987-09-04 | 1989-03-13 | Sumitomo Metal Ind | Semiconductor ceramic capacitor and manufacture thereof |
JPH01187913A (ja) * | 1988-01-22 | 1989-07-27 | Sumitomo Metal Ind Ltd | 積層型半導体磁器コンデンサの製造方法 |
JPH0536931A (ja) * | 1991-07-26 | 1993-02-12 | Olympus Optical Co Ltd | メモリ素子及びその製造方法 |
JP2001274034A (ja) * | 2000-01-20 | 2001-10-05 | Shinko Electric Ind Co Ltd | 電子部品パッケージ |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114976330A (zh) * | 2022-06-20 | 2022-08-30 | 中创新航技术研究院(江苏)有限公司 | 一种电池装置及其绝缘膜的耐压值的确定方法和确定装置 |
Also Published As
Publication number | Publication date |
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CN101578674A (zh) | 2009-11-11 |
US20100014211A1 (en) | 2010-01-21 |
JPWO2008072684A1 (ja) | 2010-04-02 |
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