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WO2024177068A1 - Dispositif de génération d'énergie et transmetteur équipé de celui-ci - Google Patents

Dispositif de génération d'énergie et transmetteur équipé de celui-ci Download PDF

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Publication number
WO2024177068A1
WO2024177068A1 PCT/JP2024/006066 JP2024006066W WO2024177068A1 WO 2024177068 A1 WO2024177068 A1 WO 2024177068A1 JP 2024006066 W JP2024006066 W JP 2024006066W WO 2024177068 A1 WO2024177068 A1 WO 2024177068A1
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Prior art keywords
thermoelectric conversion
heat
conversion element
type thermoelectric
conversion module
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PCT/JP2024/006066
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English (en)
Japanese (ja)
Inventor
諒太 前田
健志 浅見
亮太 丹羽
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デンカ株式会社
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Publication of WO2024177068A1 publication Critical patent/WO2024177068A1/fr

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
    • H10N10/10—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects
    • H10N10/13—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects characterised by the heat-exchanging means at the junction
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
    • H10N10/10—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects
    • H10N10/17—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects characterised by the structure or configuration of the cell or thermocouple forming the device

Definitions

  • This disclosure relates to a power generation device and a transmitting device equipped with the same.
  • thermoelectric conversion elements are sometimes used to generate electricity using geothermal energy or waste heat from factories.
  • One practical example of a thermoelectric conversion element is a power source for a signal transmission device.
  • the following Patent Document 1 discloses a signal transmission device that includes a thermoelectric module having a heat-receiving surface that is attached to a carrier in clothing and receives thermal energy from the carrier side and an externally exposed surface that is in contact with the outside air, the thermoelectric module including a thermoelectric element that generates electricity using the temperature difference between the heat-receiving surface and the externally exposed surface, and a transmitter that emits a signal using the electricity generated by the thermoelectric module.
  • the objective of one aspect of the present disclosure is to provide a power generation device that can generate power at a desired timing regardless of the usage environment, and a transmitting device equipped with the same.
  • a power generating device and a transmitting device including the same are as follows.
  • a power generation device comprising: a thermoelectric conversion module; a heat generating section overlapping the thermoelectric conversion module in a first direction and including a heat generating agent; and a heat insulating member covering the thermoelectric conversion module and the heat generating section, wherein the thermoelectric conversion module has a pair of base materials, and a p-type thermoelectric conversion element and an n-type thermoelectric conversion element positioned between the pair of base materials of the thermoelectric conversion module in the first direction, and a first end of the p-type thermoelectric conversion element and a first end of the n-type thermoelectric conversion element are positioned farther from the heat generating section than a second end of the p-type thermoelectric conversion element and a second end of the n-type thermoelectric conversion element, respectively, in the first direction.
  • thermoelectric conversion device according to any one of [1] to [3], further comprising a heat absorption section overlapping the thermoelectric conversion module in the first direction and including a heat absorption agent, wherein in the first direction, a second end of the p-type thermoelectric conversion element and a second end of the n-type thermoelectric conversion element are positioned farther from the heat absorption section than a first end of the p-type thermoelectric conversion element and a first end of the n-type thermoelectric conversion element, respectively.
  • the power generating device according to any one of [1] to [4], further comprising a thermal conductive portion located between the thermoelectric conversion module and the heat generating portion in the first direction and in contact with both the thermoelectric conversion module and the heat generating portion.
  • thermoelectric conversion module comprising: a thermoelectric conversion module; a heat absorption section overlapping the thermoelectric conversion module in a first direction and including a heat absorption agent; and a thermal insulating member covering the thermoelectric conversion module and the heat absorption section, wherein the thermoelectric conversion module has a pair of base materials, and a p-type thermoelectric conversion element and an n-type thermoelectric conversion element positioned between the pair of base materials of the thermoelectric conversion module in the first direction, and a first end of the p-type thermoelectric conversion element and a first end of the n-type thermoelectric conversion element are positioned closer to the heat absorption section in the first direction than a second end of the p-type thermoelectric conversion element and a second end of the n-type thermoelectric conversion element, respectively.
  • the power generating device according to [6], wherein the heat insulating member has an opening through which a portion of the heat absorbing portion is exposed, and further includes a cover member that closes the opening.
  • the power generating device according to [6] or [7], further comprising a storage section for storing an initiator that chemically reacts with the heat absorbing agent, the heat absorbing section and the storage section being separated from each other by a breakable partition section.
  • a transmitting device comprising: a power source including the power generating device according to any one of [1] to [9]; a control unit electrically connected to the power generating device; and a transmitting/receiving unit that transmits a signal output from the control unit to an outside.
  • a power generation device that can generate power at a desired timing regardless of the usage environment, and a transmitting device equipped with the same.
  • FIG. 1 is a schematic cross-sectional view of a main part of a power generating device according to an embodiment.
  • FIG. 2A is a schematic plan view showing the power generating device according to the embodiment
  • FIG. 2B is a schematic bottom view showing the power generating device according to the embodiment.
  • FIG. 3 is a block diagram showing a part of the configuration of the transmitting device.
  • FIG. 4 is a schematic cross-sectional view of a main part of a power generating device according to a first modified example.
  • FIG. 5 is a schematic cross-sectional view of a main part of a power generating device according to a second modified example.
  • FIG. 6 is a schematic cross-sectional view of a main part of a power generating device according to a third modified example.
  • FIG. 7 is a schematic cross-sectional view of a main part of a power generating device according to a fourth modified example.
  • Fig. 1 is a schematic cross-sectional view of the main parts of the power generation device according to this embodiment.
  • Fig. 2(a) is a schematic plan view showing the power generation device according to this embodiment, and
  • Fig. 2(b) is a schematic bottom view showing the power generation device according to this embodiment.
  • the power generation device 1 shown in Figures 1 and 2 (a) and (b) is a device (thermoelectric conversion device) that can generate electricity by supplying heat from the outside and/or the inside.
  • the power generation device 1 has a size and mass that allows it to be carried by, for example, a human or other animal.
  • the power generation device 1 has a size and mass that allows it to be stored in, for example, a pocket of clothing such as a bag or jacket.
  • Specific examples of the power generation device 1 include a lightweight portable power source and an emergency power source used when mountain climbing, etc.
  • the temperature of each component of the power generation device 1 is measured under natural convection conditions of air.
  • the power generation device 1 has a thermoelectric conversion module 2, a heat generating section 3, a heat absorbing section 4, heat conducting sections 5 and 6, a heat insulating member 7, and cover members 8 and 9. At least one of the thermoelectric conversion module 2, the heat generating section 3, the heat absorbing section 4, the heat conducting sections 5 and 6, the heat insulating member 7, and the cover members 8 and 9 may be flexible.
  • Thermoelectric conversion module 2 is a so-called ⁇ -type thermoelectric conversion module, and has a pair of substrates 11, 12, a plurality of p-type thermoelectric conversion elements 13, a plurality of n-type thermoelectric conversion elements 14, a plurality of electrodes 15, and a plurality of electrodes 16.
  • the substrates 11 and 12 are heat-resistant resin sheet members or ceramic substrates, and have, for example, a substantially flat plate shape.
  • Materials constituting the substrates 11 and 12 include, for example, (meth)acrylic resins, (meth)acrylonitrile resins, polyamide resins, polycarbonate resins, polyether resins, polyester resins, epoxy resins, organosiloxane resins, polyimide resins, polysulfone resins, alumina, and aluminum nitride.
  • the thickness of the substrates 11 and 12 is, for example, 1 ⁇ m or more and 1000 ⁇ m or less. In the direction along the thickness of the substrates 11 and 12, the substrates 11 and 12 overlap each other and are spaced apart from each other.
  • first direction D1 the direction along the thickness of the substrates 11 and 12
  • second direction D2 the directions perpendicular to the first direction D1
  • third direction D3 the directions perpendicular to the first direction D1
  • the substrate 11 has a first main surface 11a and a second main surface 11b located on the opposite side of the first main surface 11a.
  • the substrate 12 has a first main surface 12a and a second main surface 12b located on the opposite side of the first main surface 12a.
  • the first main surfaces 11a, 12a and the second main surfaces 11b, 12b are planes that intersect with the first direction D1.
  • the shapes of the first main surfaces 11a, 12a and the second main surfaces 11b, 12b are not particularly limited, but may be, for example, polygonal, circular, or elliptical.
  • the first main surface 11a of the substrate 11 and the first main surface 12a of the substrate 12 face each other. Therefore, the first main surfaces 11a, 12a correspond to inner surfaces, and the second main surfaces 11b, 12b correspond to outer surfaces.
  • Each of the multiple p-type thermoelectric conversion elements 13 and the multiple n-type thermoelectric conversion elements 14 is an element capable of generating electricity by utilizing the Seebeck effect.
  • the p-type thermoelectric conversion elements 13 and the n-type thermoelectric conversion elements 14 are connected in series. Each p-type thermoelectric conversion element 13 and each n-type thermoelectric conversion element 14 are spaced apart from each other.
  • Each p-type thermoelectric conversion element 13 has a first end 13a and a second end 13b in the first direction D1
  • each n-type thermoelectric conversion element 14 has a first end 14a and a second end 14b in the first direction D1.
  • the first ends 13a and 14a are located closer to the substrate 11 than the substrate 12 in the first direction D1.
  • the second ends 13b and 14b are located closer to the substrate 12 than the substrate 11 in the first direction D1.
  • the dimensions of the p-type thermoelectric conversion element 13 and the n-type thermoelectric conversion element 14 are not particularly limited. From the standpoint of light weight, cost, etc., the thickness of the p-type thermoelectric conversion element 13 and the thickness of the n-type thermoelectric conversion element 14 are, for example, 0.01 ⁇ m or more and 10 mm or less.
  • each of the p-type thermoelectric conversion element 13 and the n-type thermoelectric conversion element 14 is a molded body of a thermoelectric semiconductor composition containing a thermoelectric semiconductor material and a heat-resistant resin.
  • the molded body may be a sintered body.
  • the thermoelectric semiconductor composition may contain, for example, at least one of an ionic liquid and an inorganic ionic compound.
  • the amount of the heat-resistant resin in the thermoelectric semiconductor composition may be, for example, 0.1% by mass to 40% by mass, 0.5% by mass to 20% by mass, or 1% by mass to 20% by mass.
  • heat-resistant resins include polyamide-based resins, polyamideimide-based resins, polyetherimide-based resins, polybenzoxazole-based resins, polybenzimidazole-based resins, epoxy-based resins, and copolymers having the chemical structures of these resins.
  • the heat-resistant resins may be used alone or in combination of two or more. From the viewpoints of heat resistance and the effect on the crystal growth of the thermoelectric semiconductor material, the heat-resistant resin may be a polyamide-based resin, a polyamideimide-based resin, an epoxy-based resin, or the like. From the viewpoints of flexibility, the heat-resistant resin may be a polyamide-based resin or a polyamideimide-based resin. From all of the above viewpoints, the heat-resistant resin may be a polyamideimide-based resin.
  • thermoelectric semiconductor material is a material capable of generating a thermoelectromotive force in response to the occurrence of a temperature difference.
  • thermoelectric semiconductor material examples include bismuth-tellurium-based thermoelectric semiconductor materials such as p-type bismuth telluride and n-type bismuth telluride, telluride-based thermoelectric semiconductor materials such as GeTe and PbTe, antimony-tellurium-based thermoelectric semiconductor materials, zinc-antimony-based thermoelectric semiconductor materials such as ZnSb, Zn 3 Sb 2 , and Zn 4 Sb 3 , silicon-germanium-based thermoelectric semiconductor materials such as SiGe, bismuth selenide-based thermoelectric semiconductor materials such as Bi 2 Se 3 , silicide-based thermoelectric semiconductor materials such as ⁇ -FeSi 2 , CrSi 2 , MnSi 1.73 , and Mg 2 Si, oxide-based thermoelectric semiconductor materials, Heusler materials such as FeVA
  • the ionic liquid that can be contained in the thermoelectric semiconductor composition is a molten salt formed by combining a cation and an anion, and refers to a salt that can exist in a liquid state in any temperature range from -50°C to less than 400°C.
  • the ionic liquid is an ionic compound having a melting point in the range of -50°C to less than 400°C.
  • the melting point of the ionic liquid may be -25°C to 200°C, or 0°C to 150°C.
  • the ionic liquid a known or commercially available one can be used.
  • Examples of the cation contained in the ionic liquid include nitrogen-containing cyclic cationic compounds such as pyridinium, pyrimidinium, pyrazolium, pyrrolidinium, piperidinium, and imidazolium, and derivatives thereof; tetraalkylammonium-based amine-based cations and derivatives thereof; phosphine-based cations such as phosphonium, trialkylsulfonium, and tetraalkylphosphonium, and derivatives thereof; and lithium cations and derivatives thereof.
  • nitrogen-containing cyclic cationic compounds such as pyridinium, pyrimidinium, pyrazolium, pyrrolidinium, piperidinium, and imidazolium, and derivatives thereof
  • tetraalkylammonium-based amine-based cations and derivatives thereof phosphine-based cations such as phosphonium, trialkylsulfonium, and t
  • the anions contained in the ionic liquid include Cl - , Br - , I - , AlCl 4 - , Al 2 Cl 7 - , BF 4 - , PF 6 - , ClO 4 - , NO 3 - , CH 3 COO - , CF 3 COO - , CH 3 SO 3 - , CF 3 SO 3 - , (FSO 2 ) 2 N - , (CF 3 SO 2 ) 2 N - , (CF 3 SO 2 ) 3 C - , AsF 6 - , SbF 6 - , NbF 6 - , TaF 6 - , F(HF) n - , (CN) 2 N - , C 4 F 9 SO 3 - , (C 2 F 5 SO 2 ) 2 N ⁇ , C 3 F 7 COO ⁇ , (CF 3 SO 2 )(CF 3 CO)N ⁇ and the like.
  • the inorganic ionic compound that can be contained in the thermoelectric semiconductor composition may be any known or commercially available compound.
  • the cation contained in the inorganic ionic compound may be, for example, a potassium cation, a sodium cation, or a lithium cation.
  • the anion contained in the inorganic ionic compound may be, for example, the same as the anion contained in an ionic liquid.
  • the p-type thermoelectric conversion element 13 includes, for example, carbon nanotubes (CNT) and a conductive resin different from the carbon nanotubes.
  • the carbon nanotubes are p-type.
  • the carbon nanotubes may be single-walled, double-walled, or multi-walled. From the viewpoint of the electrical conductivity of the p-type thermoelectric conversion element 13, single-walled carbon nanotubes (SWCNT) may be used.
  • the ratio of the single-walled carbon nanotubes to the total amount of carbon nanotubes may be 25 mass% or more, 50 mass% or more, or 100 mass%.
  • the diameter of the single-walled carbon nanotubes is not particularly limited, but may be, for example, 20 nm or less, 10 nm or less, or 3 nm or less.
  • the lower limit of the diameter of the single-walled carbon nanotubes is also not particularly limited, but may be 0.4 nm or more, or 0.5 nm or more.
  • the thermal conductivity of carbon nanotubes is, for example, 30 W/mK (corresponding to 30 watts per meter per Kelvin, and 30 W ⁇ m ⁇ 1 ⁇ K ⁇ 1 ) to 40 W/mK.
  • the G/D ratio in laser Raman spectroscopy is known as a method for evaluating single-walled carbon nanotubes.
  • the single-walled carbon nanotube may have a G/D ratio of 10 or more, or 20 or more, in laser Raman spectroscopy at a wavelength of 532 nm.
  • the upper limit of the G/D ratio is not particularly limited, and may be 500 or less, or may be 300 or less.
  • the carbon nanotube content in the p-type thermoelectric conversion element 13 may be, for example, 20 parts by mass or more, 30 parts by mass or more, 40 parts by mass or more, 99 parts by mass or less, 95 parts by mass or less, or 90 parts by mass or less, per 100 parts by mass of the material (p-type thermoelectric conversion material) constituting the p-type thermoelectric conversion element 13.
  • the conductive resin of this embodiment is not particularly limited, and known conductive resins can be used without particular limitation.
  • Examples of conductive resins include polyaniline-based conductive resins, polythiophene-based conductive resins, polypyrrole-based conductive resins, polyacetylene-based conductive resins, polyphenylene-based conductive resins, and polyphenylenevinylene-based conductive resins.
  • An example of a polythiophene-based conductive resin is poly(3,4-ethylenedioxythiophene) (PEDOT).
  • the conductive resin includes PEDOT and an electron acceptor. In this case, the electrical conductivity of the p-type thermoelectric conversion element 13 tends to be higher.
  • the electron acceptor examples include polystyrene sulfonic acid, polyvinyl sulfonic acid, poly(meth)acrylic acid, polyvinyl sulfonic acid, toluenesulfonic acid, dodecylbenzenesulfonic acid, camphorsulfonic acid, bis(2-ethylhexyl) sulfosuccinate, chlorine, bromine, iodine, phosphorus pentafluoride, arsenic pentafluoride, boron trifluoride, hydrogen chloride, sulfuric acid, nitric acid, tetrafluoroboric acid, perchloric acid, iron(III) chloride, and tetracyanoquinodimethane.
  • the electron acceptor may be polystyrene sulfonic acid (PSS).
  • the carbon nanotubes and the conductive resin may be aggregated.
  • the p-type thermoelectric conversion element 13 may include a porous structure in which the carbon nanotubes are bonded to each other by the conductive resin.
  • the n-type thermoelectric conversion element 14 may contain a dopant in addition to the carbon nanotubes and conductive resin.
  • the dopant refers to a substance that changes the Seebeck coefficient of the portion to which the dopant is doped. "Changing the Seebeck coefficient” refers to decreasing the value of the Seebeck coefficient or changing the value of the Seebeck coefficient from a positive value to a negative value.
  • a thermoelectric conversion material with a positive Seebeck coefficient has p-type conductivity
  • a thermoelectric conversion material with a negative Seebeck coefficient has n-type conductivity.
  • the dopant of this embodiment contains, for example, a coordination compound that can be dissociated into an anion (hereinafter simply referred to as "anion”), which is a complex ion, and an alkali metal cation (hereinafter simply referred to as “cation”), a cation capture agent (hereinafter simply referred to as “capture agent”), and, if necessary, a reducing agent.
  • anion an anion
  • cation alkali metal cation
  • capture agent a cation capture agent
  • a reducing agent a reducing agent
  • the n-type thermoelectric conversion element 14 at least a part of the coordination compound may be dissociated into the anion and the cation. In this case, the cation may be captured by the capture agent.
  • the dopant may contain at least one of a coordination compound and a capture agent in a plurality of types. In the portion of the p-type thermoelectric conversion element 13 that contains the dopant, the Seebeck coefficient
  • the scavenger contained in the dopant captures cations, dissociates anions, and the anions change the carriers of the carbon nanotubes from holes to electrons.
  • the anions are complex ions with a metal atom at the center, so it is thought that the metal atom interacts with the carbon nanotubes to significantly change the anions to n-type.
  • the complex ions have a large ion size, so they have good dissociation properties with the cations captured by the scavenger, which is also thought to be one of the reasons why the above-mentioned effect is achieved.
  • the anions are complex ions. Therefore, the n-type thermoelectric conversion element 14 contains metal atoms derived from the complex ions. Therefore, in this embodiment, the metal atoms remaining in the n-type thermoelectric conversion element 14 can function as antioxidants.
  • a reducing agent is included in the dopant as necessary. This allows the p-type material for thermoelectric conversion to be efficiently converted into the n-type material for thermoelectric conversion even if the anion (complex ion) and cation capture agent in the dopant are small. In other words, in this embodiment, the amount of expensive anion and cation capture agent used can be reduced while efficiently converting the p-type material for thermoelectric conversion into the n-type material for thermoelectric conversion.
  • the reason for the above-mentioned effect is not particularly limited, but iron ions that are oxidized when changing the carriers of the carbon nanotubes from holes to electrons are reduced by the reducing agent. This is thought to be one of the reasons that the reduced iron can once again change the carriers of the carbon nanotubes from holes to electrons.
  • the complex ion (anion) obtained by dissociation of the coordination compound may be selected from the group consisting of ferrocyanide ion, ferricyanide ion, tetrachloroferrate(III) ion, tetrachloroferrate(II) ion, tetracyanonickelate(II) ion, tetrachloronickelate(II) ion, tetracyanocobaltate(II) ion, tetrachlorocobaltate(II) ion, tetracyanocuprate(I) ion, tetrachlorocuprate(II) ion, hexacyanochromate(III) ion, tetrahydroxidezyere(II) ion, and tetrahydroxidealuminate(III) ion.
  • ferrocyanide ion may be used.
  • the anion is ferrocyanide ion
  • a material having better properties is obtained.
  • the anion is ferrocyanide ion
  • the iron atoms remaining in the n-type thermoelectric conversion element 14 function favorably as an antioxidant, and changes in physical properties over time are more suppressed, tending to improve storage stability.
  • the anion may include an iron atom. That is, the coordination compound may include an iron atom.
  • the anion may be selected from the group consisting of, for example, a ferrocyanide ion, a ferricyanide ion, a tetrachloroferrate (III) ion, and a tetrachloroferrate (II) ion.
  • the anion including an iron atom may be a ferrocyanide ion.
  • the content of the iron atom in the n-type thermoelectric conversion element 14 may be 0.001% by mass or more and 15% by mass or less, 0.005% by mass or more and 12% by mass or more, or 0.01% by mass or more and 10% by mass or less.
  • the content of the iron atom in the n-type thermoelectric conversion element 14 indicates, for example, a value measured by ICP emission spectrometry.
  • the coordination compound may be a complex salt.
  • the complex salt include potassium ferrocyanide, sodium ferrocyanide, potassium ferricyanide, sodium ferricyanide, potassium tetrachloroferrate(III), sodium tetrachloroferrate(III), potassium tetrachloroferrate(II), and sodium tetrachloroferrate(II).
  • the complex salt may be a hydrate.
  • alkali metal cations obtained by dissociation of the coordination compound include sodium ions, potassium ions, and lithium ions.
  • the coordination compound may contain at least one of a ferrocyanide compound and a ferricyanide compound.
  • the cation scavenger is not particularly limited as long as it has the ability to capture cations.
  • the cation scavenger include crown ether compounds, cyclodextrin, calixarene, ethylenediaminetetraacetic acid, porphyrin, phthalocyanine, and derivatives thereof.
  • the cation scavenger may be a crown ether compound.
  • the crown ether compound include 15-crown-5-ether, 18-crown-6-ether, 12-crown-4-ether, benzo-18-crown-6-ether, benzo-15-crown-5-ether, and benzo-12-crown-4-ether.
  • the ring size of the crown ether used as the scavenger may be selected according to the size of the metal ion to be captured.
  • the crown ether compound when the metal ion is a potassium ion, the crown ether compound may be an 18-membered ring crown ether.
  • the metal ion when the metal ion is a sodium ion, the crown ether compound may be a 15-membered ring crown ether.
  • the metal ion is a lithium ion, the crown ether compound may be a 12-membered ring crown ether.
  • the crown ether compound may contain a benzene ring.
  • the crown ether compound may be a compound having a benzene ring in the molecule.
  • the stability of the crown ether compound may be improved.
  • crown ether compounds having a benzene ring include benzo-18-crown-6-ether, benzo-15-crown-5-ether, and benzo-12-crown-4-ether.
  • the molar ratio (C 2 /C 1 ) of the scavenger content C 2 to the cation content C 1 may be 0.1 or more and 5 or less, 0.3 or more and 3 or less, or 0.5 or more and 2 or less.
  • the reducing agent is not particularly limited as long as it is a substance capable of reducing trivalent iron ions.
  • reducing agents include at least one selected from the group consisting of ascorbic acid, ascorbate salts (e.g., sodium ascorbate, etc.), reducing sugars (e.g., glucose, fructose, glyceraldehyde, etc.), oxalic acid, oxalate salts (e.g., sodium oxalate, etc.), formic acid, alkali metal iodides (e.g., potassium iodide, etc.), and tin(II) chloride.
  • ascorbic acid ascorbate salts (e.g., sodium ascorbate, etc.)
  • reducing sugars e.g., glucose, fructose, glyceraldehyde, etc.
  • oxalic acid e.g., glucose, fructose, glyceraldeh
  • the molar ratio (C 4 /C 3 ) of the content of the reducing agent C 4 to the content of the anion C 3 is, for example, 0.1 to 30.
  • the molar ratio (C 4 /C 3 ) may be 0.2 to 20, or 0.5 to 10. This makes the above-mentioned effect more pronounced.
  • the dopant of this embodiment may contain substances other than the above-mentioned anions, cations, scavengers, and reducing agents, as necessary. Such substances are not particularly limited as long as they do not inhibit the action of the dopant, and are, for example, water, organic solvents, etc.
  • the dopant may contain multiple types of at least one of the anions, cations, scavengers, and reducing agents. For example, the dopant may contain multiple types of scavengers and multiple types of reducing agents.
  • Each of the multiple electrodes 15 and the multiple electrodes 16 is a conductive member that electrically connects the p-type thermoelectric conversion element 13 and the n-type thermoelectric conversion element 14, or functions as an external electrode.
  • the multiple electrodes 15 are conductive members located on the first main surface 11a of the substrate 11.
  • the multiple electrodes 16 are conductive members located on the first main surface 12a of the substrate 12. In a plan view, the electrodes 15 are spaced apart from each other, and the electrodes 16 are spaced apart from each other.
  • the first ends 13a and 14a contact the same electrode 15, while the second ends 13b and 14b contact different electrodes 16. Therefore, the pair of p-type thermoelectric conversion elements 13 and n-type thermoelectric conversion elements 14 are electrically connected in series via the electrodes 15.
  • Each of the electrodes 15 and 16 may contain a known electrode material. From the viewpoint of connection stability, thermoelectric performance, and the like, a metal material exhibiting high electrical conductivity may be used as the electrode material. Examples of the electrode material include gold, silver, nickel, copper, aluminum, rhodium, platinum, chromium, palladium, molybdenum, or an alloy containing any of these metals. The electrode material contained in the electrode 15 and the electrode material contained in the electrode 16 may be different from each other. The thickness of the electrodes 15 and 16 is, for example, 10 nm or more and 200 nm or less, but is not limited to this.
  • the heat generating portion 3 is a member that generates heat through a chemical reaction (exothermic reaction) without using fire, and overlaps the thermoelectric conversion module 2 in the first direction D1. At least a portion of the heat generated in the heat generating portion 3 is released, for example, toward the thermoelectric conversion module 2. This can cause a temperature difference inside the thermoelectric conversion module 2.
  • the shape of the heat generating portion 3 is not particularly limited as long as it covers the area in the thermoelectric conversion module 2 where the p-type thermoelectric conversion element 13 and the n-type thermoelectric conversion element 14 are provided in a plan view. In this embodiment, the heat generating portion 3 is located on the second main surface 12b of the substrate 12 in the first direction D1.
  • the p-type thermoelectric conversion element 13 and the n-type thermoelectric conversion element 14 are located between the substrates 11 and 12, and between the substrate 11 and the heat generating portion 3.
  • the first end 13a of the p-type thermoelectric conversion element 13 and the first end 14a of the n-type thermoelectric conversion element 14 are located farther from the heat generating portion 3 than the second ends 13b and 14b, respectively.
  • the second ends 13b and 14b are located closer to the heat generating portion 3 than the first ends 13a and 14a, respectively.
  • the heat generating unit 3 includes a heat generating agent that generates heat by a chemical reaction (exothermic reaction).
  • An initiator that chemically reacts with the heat generating agent is supplied to the heat generating unit 3, and an exothermic reaction between the heat generating agent and the initiator occurs in the heat generating unit 3. That is, the exothermic reaction does not occur in the heat generating unit 3 until the initiator is supplied to the heat generating unit 3.
  • the heat generating agent is, for example, iron, calcium oxide (CaO) such as quicklime, calcium chloride anhydride (CaCl 2 ), etc.
  • the heat generating agent may include aluminum in addition to calcium oxide.
  • the initiator is, for example, water, water vapor, an organic solvent, oxygen, etc.
  • the initiator is supplied to the heat generating unit 3 by a user of the power generating device 1, etc.
  • the initiator does not exist inside the power generating device 1.
  • the heat generating unit 3 may include a reaction assistant that controls the reaction between the heat generating agent and the initiator, a heat transfer material that transfers the heat generated in the exothermic reaction, etc.
  • the heat absorption section 4 is a member that reduces the surrounding temperature through a chemical reaction (endothermic reaction), and overlaps with the thermoelectric conversion module 2 in the first direction D1. For example, a part of the heat of the thermoelectric conversion module 2 is absorbed by the heat absorption section 4. This can cause a temperature difference inside the thermoelectric conversion module 2.
  • the shape of the heat absorption section 4 is not particularly limited as long as it covers the area in the thermoelectric conversion module 2 where the p-type thermoelectric conversion element 13 and the n-type thermoelectric conversion element 14 are provided in a plan view. In this embodiment, the heat absorption section 4 is located on the second main surface 11b of the substrate 11 in the first direction D1.
  • the p-type thermoelectric conversion element 13 and the n-type thermoelectric conversion element 14 are located between the substrates 11 and 12.
  • the second end 13b of the p-type thermoelectric conversion element 13 and the second end 14b of the n-type thermoelectric conversion element 14 are located farther from the heat absorption section 4 than the first ends 13a and 14a, respectively.
  • the first ends 13a and 14a are located closer to the heat absorption portion 4 than the second ends 13b and 14b, respectively.
  • the heat absorption section 4 includes an endothermic agent that reduces the surrounding temperature through a chemical reaction (endothermic reaction).
  • An initiator that chemically reacts with the endothermic agent is supplied to the heat absorption section 4, and an endothermic reaction between the endothermic agent and the initiator occurs in the heat absorption section 4. That is, the endothermic reaction does not occur in the heat absorption section 4 until the initiator is supplied to the heat absorption section 4.
  • the endothermic agent is, for example, ammonium chloride, ammonium nitrate, barium nitrate, urea, sugar such as xylitol, etc.
  • the initiator is, for example, water, water vapor, an organic solvent, oxygen, etc.
  • the initiator for the heat absorption section 4 and the initiator for the heat generation section 3 may be the same or different from each other. In the former case, the convenience of the power generation device 1 is improved. In this embodiment, the initiator is supplied to the heat absorption section 4 by the user of the power generation device 1, etc.
  • the combination of the endothermic agent and the initiator may be, for example, a combination of ammonium chloride or ammonium nitrate and barium hydroxide.
  • the heat absorbing part 4 may include a reaction aid that controls the reaction between the heat absorbing agent and the initiator, a heat transfer material that transfers heat to the location where the endothermic reaction occurs, etc.
  • the heat conducting portion 5 is a member that conducts heat generated in the heat generating portion 3 to the thermoelectric conversion module 2, and is located between the thermoelectric conversion module 2 and the heat generating portion 3 in the first direction D1.
  • the heat conducting portion 5 is in contact with both the thermoelectric conversion module 2 and the heat generating portion 3.
  • the heat conducting portion 5 is in contact with both the second main surface 12b of the substrate 12 of the thermoelectric conversion module 2 and the heat generating portion 3.
  • the material of the heat conducting portion 5 is not particularly limited as long as it is a material that exhibits high thermal conductivity, and may be, for example, a metal, an alloy, or a resin.
  • the heat conducting portion 6 is a member that conducts heat from the thermoelectric conversion module 2 to the heat absorption portion 4, and is located between the thermoelectric conversion module 2 and the heat absorption portion 4 in the first direction D1.
  • the heat conducting portion 6 is in contact with both the thermoelectric conversion module 2 and the heat absorption portion 4.
  • the heat conducting portion 6 is in contact with both the second main surface 11b of the substrate 11 of the thermoelectric conversion module 2 and the heat absorption portion 4.
  • the material of the heat conducting portion 5 may be the same as or different from the material of the heat conducting portion 6.
  • the insulating member 7 is a member provided to ensure that the heat generating portion 3 and the heat absorbing portion 4 function well with respect to the thermoelectric conversion module 2, and covers the thermoelectric conversion module 2, the heat generating portion 3, and the heat absorbing portion 4.
  • the insulating member 7 fills the voids inside the thermoelectric conversion module 2, but is not limited to this.
  • the insulating member 7 may simply cover the outer periphery of the thermoelectric conversion module 2. In this case, a space is provided inside the thermoelectric conversion module 2 (for example, the area between the substrates 11 and 12 where each thermoelectric conversion element is not provided).
  • the insulating member 7 has openings O1 and O2 that expose a part of the heat generating portion 3.
  • the openings O1 and O2 function as supply ports for the initiator to the heat generating portion 3.
  • the opening O1 overlaps one end of the heat generating portion 3 in the second direction D2
  • the opening O2 overlaps the other end of the heat generating portion 3 in the second direction D2, but is not limited to this.
  • the heat insulating member 7 has openings O3 and O4 that expose a portion of the heat absorbing portion 4.
  • the opening O3 overlaps one end of the heat absorbing portion 4 in the second direction D2
  • the opening O3 overlaps the other end of the heat absorbing portion 4 in the second direction D2, but is not limited to this.
  • the insulating member 7 includes, for example, cellulose nanofiber (CNF), silica aerogel, resin (for example, silicone), etc. From the viewpoint of preventing malfunction of the power generation device 1, the initiator may not penetrate into the insulating member 7, or may not substantially penetrate into the insulating member 7.
  • the insulating member 7 may be a foam.
  • the thermal conductivity of the insulating member 7 is, for example, 0.01 W/mK or more and 0.3 W/mK or less.
  • the thermal conductivity may be 0.05 W/mK or more, 0.1 W/mK or more, 0.25 W/mK or less, or 0.2 W/mK or less. In this embodiment, the thermal conductivity of the insulating member 7 is, for example, 0.02 W/mK or more and 0.05 W/mK or less, but is not limited to this.
  • the cover member 8 is a sheet-like member that covers the openings O1 and O2, and is fixed to the insulating member 7 in a manner that allows it to be peeled off and/or broken.
  • the cover member 8 is, for example, attached to the insulating member 7. A part of the cover member 8 may fill the opening O1. Similarly, another part of the cover member 8 may fill the opening O2.
  • the heat generating portion 3 may be exposed through the openings O1 and O2. This makes it possible to supply an initiator to the heat generating portion 3.
  • the cover member 9 is a sheet-like member that covers the openings O3 and O4, and is fixed to the insulating member 7 in a manner that allows it to be peeled off and/or broken.
  • the cover member 9 is, for example, attached to the insulating member 7. A part of the cover member 9 may fill the opening O3. Another part of the cover member 9 may fill the opening O4.
  • the heat absorption section 4 may be exposed through the openings O3 and O4. This makes it possible to supply an initiator to the heat absorption section 4.
  • FIG. 3 is a block diagram showing part of the configuration of a transmitting device including a power generation device according to the embodiment.
  • the transmitting device 50 shown in FIG. 3 is a device that transmits a signal indicating the user's location information, for example, in the event of a disaster.
  • the transmitting device 50 has a size and mass that allows it to be carried by an animal such as a human.
  • the transmitting device 50 has a power source 51, a control unit 52 electrically connected to the power source 51, and a transmitting/receiving unit 53 that transmits a signal output from the control unit 52 to the outside.
  • the power source 51 is a part that includes the power generation device 1.
  • the power source 51 generates electricity by supplying the corresponding initiator to each of the heat generating section 3 and heat absorbing section 4 of the power generation device 1. Note that even if an initiator is supplied to only one of the heat generating section 3 and heat absorbing section 4 of the power generation device 1, the power source 51 can generate electricity.
  • the power source 51 can include, for example, wiring for extracting electricity from the power generation device 1.
  • the control unit 52 is a controller that controls each component included in the transmitting device 50, and operates using power supplied from the power source 51.
  • the control unit 52 is composed of, for example, a CPU (Central Processing Unit), a RAM (Random Access Memory), and a ROM (Read Only Memory).
  • the control unit 52 generates a location information signal that indicates the location information of the transmitting device 50.
  • the location information signal is generated, for example, using a GPS (Global Positioning System). In this case, the control unit 52 generates the location information signal based on a satellite signal obtained via the transmitting/receiving unit 53.
  • the transmitter/receiver unit 53 is a component that receives satellite signals and transmits location information signals output from the control unit 52 to the outside, and includes, for example, an antenna, a GPS receiver, etc.
  • the power generating device 1 includes a thermoelectric conversion module 2 and a heat generating portion 3 that overlaps the thermoelectric conversion module 2 in the first direction D1 and contains a heat generating agent.
  • the first end 13a of the p-type thermoelectric conversion element 13 and the first end 14a of the n-type thermoelectric conversion element 14 are located farther from the heat generating portion 3 than the second end 13b of the p-type thermoelectric conversion element 13 and the second end 14b of the n-type thermoelectric conversion element 14, respectively.
  • thermoelectric conversion module 2 is capable of generating electricity due to a heat generating reaction in the heat generating portion 3 accompanying the supply of an initiator to the heat generating portion 3, for example. Therefore, by adjusting the timing of supplying the initiator to the heat generating section 3, power generation by the power generating device 1 can be easily started at the desired timing.
  • the heat generating section 3 is covered with the insulating member 7, the heat generated by the heat generating section 3 is easily directed toward the thermoelectric conversion module 2 (particularly, each of the second ends 13b, 14b). Therefore, the power generating device 1 can generate power regardless of the usage environment.
  • the power generation device 1 includes a heat absorption section 4 that overlaps the thermoelectric conversion module 2 in the first direction D1 and contains a heat absorption agent, and in the first direction D1, each of the first ends 13a, 14a is located closer to the heat absorption section 4 than each of the second ends 13b, 14b.
  • a significant temperature difference can occur between the first end 13a and the second end 13b of the p-type thermoelectric conversion element 13 and between the first end 14a and the second end 14b of the n-type thermoelectric conversion element 14, for example, due to an endothermic reaction in the heat absorption section 4 accompanying the supply of an initiator to the heat absorption section 4. Therefore, the power generation device 1 according to this embodiment can generate electricity well at the desired timing regardless of the usage environment.
  • the transmitting device 50 includes the power generation device 1. This allows the owner of the transmitting device 50 to use the transmitting device 50 in a simple manner without having to carry a battery or the like. In particular, when the initiator is water, the owner of the transmitting device 50 can use the transmitting device 50 by using a liquid they have in their possession, their own moisture, etc. Therefore, the transmitting device 50 (particularly a transmitting device 50 that is lightweight enough to be carried) is extremely useful as a device for generating a distress signal (distress signal generating device) in the event of a distress or disaster.
  • a distress signal stress signal generating device
  • the insulating member 7 has openings O1 and O2 that expose a portion of the heat generating portion 3, and the power generating device 1 has a cover member 8 that closes the openings O1 and O2. Therefore, after a user of the power generating device 1 performs operations such as peeling off the cover member 8, the user can easily start generating electricity in the power generating device 1 by simply supplying an initiator to the heat generating portion 3 through the openings O1 and O2.
  • the insulating member 7 has openings O3 and O4 that expose a portion of the heat absorbing portion 4, and the power generating device 1 has a cover member 9 that closes the openings O3 and O4. Therefore, after a user of the power generating device 1 performs operations such as peeling off the cover member 9, the user can easily start generating electricity in the power generating device 1 by simply supplying an initiator to the heat absorbing portion 4 through the openings O3 and O4.
  • FIG. 4 is a schematic bottom view showing a power generation device according to a first modified example.
  • the power generation device 1A according to the first modified example differs from the power generation device 1 of the above embodiment in that it does not include a heat absorption section 4, a heat conduction section 6, and a cover member 9.
  • This type of power generation device 1A also achieves the same effects as the above embodiment.
  • FIG. 5 is a schematic bottom view showing a power generation device according to a second modified example.
  • the power generation device 1B according to the second modified example differs from the power generation device 1 of the above embodiment in that it does not include a heat generating section 3, a heat conducting section 5, and a cover member 8.
  • This type of power generation device 1B also achieves the same effects as the above embodiment.
  • FIG. 6 is a schematic cross-sectional view of the main parts of a power generation device according to a third modified example.
  • the power generation device 1C according to the third modified example differs from the power generation device 1 of the above embodiment in that it includes a first storage section 31 that stores an initiator that chemically reacts with an exothermic agent, and a second storage section 32 that stores an initiator that chemically reacts with an endothermic agent.
  • the first storage section 31 is a hollow member that stores an initiator I1 for the heat generating agent, and is located on the insulating member 7 in the first direction D1 and overlaps with the heat generating section 3.
  • the first storage section 31 is located on the insulating member 7 so that the heat generating section 3 is located between the thermoelectric conversion module 2 and the first storage section 31 in the first direction D1.
  • the first storage section 31 is, for example, a bag that can be deformed by pressure, and is fixed to the insulating member 7.
  • a partition section 33 is provided between the first storage section 31 and the heat generating section 3.
  • the partition section 33 is a sheet-like member that blocks the opening O1 of the insulating member 7, and is a member (weak part) that can be broken by pressure or the like.
  • the partition section 33 before breaking defines a part of the internal space of the first storage section 31. Therefore, the partition section 33 can abut against the initiator I1.
  • the partition section may have resistance to the initiator I1.
  • the second storage section 32 is a hollow member that stores an initiator I2 for the heat absorbing agent, and is located on the insulating member 7 in the first direction D1 and overlaps with the heat absorbing section 4.
  • the second storage section 32 is located on the insulating member 7 so that the heat absorbing section 4 is located between the thermoelectric conversion module 2 and the second storage section 32 in the first direction D1.
  • the second storage section 32 is, for example, a bag that can be deformed by pressure, and is fixed to the insulating member 7.
  • a partition section 34 is provided between the second storage section 32 and the heat absorbing section 4.
  • the partition section 34 is a sheet-like member that blocks the opening O3 of the insulating member 7, and is a member (weak section) that can be broken by pressure or the like.
  • the partition section 34 before breaking defines a part of the internal space of the second storage section 32. Therefore, the partition section 34 can abut against the initiator I2.
  • the partition section 34 may have resistance to the initiator I2.
  • the partition 33 breaks due to deformation of the power generation device 1C (e.g., deformation of the thermoelectric conversion module 2), etc., and the internal space of the first storage section 31 and the heat generating section 3 communicate through the opening O1.
  • initiator I1 is supplied to the heat generating section 3, and an exothermic reaction starts in the heat generating section 3.
  • the partition 34 breaks due to deformation of the power generation device 1C, etc., and the internal space of the second storage section 32 communicates through the opening O3 with the heat absorbing section 4.
  • initiator I2 is supplied to the heat absorbing section 4, and an endothermic reaction starts in the heat absorbing section 4. Therefore, in the third modified example, initiators I1 and I2 are already contained in the power generation device 1C, so that users can use the power generation device 1C more easily.
  • a single container that can communicate with the openings O1 and O3 may be provided instead of the first container 31 and the second container 32.
  • FIG. 7 is a schematic cross-sectional view of a main part of a power generation device according to a fourth modified example.
  • the power generation device 1D according to the fourth modified example differs from the power generation device 1 of the above embodiment in that it includes a thermoelectric conversion module 2A instead of the thermoelectric conversion module 2.
  • the thermoelectric conversion module 2A has substrates 11A, 12A, a plurality of p-type thermoelectric conversion elements 13A, and a plurality of n-type thermoelectric conversion elements 14A.
  • the thermoelectric conversion module 2A has electrodes that are electrically connected to the p-type thermoelectric conversion elements 13A and the n-type thermoelectric conversion elements 14A and function as connection terminals for an external device.
  • the substrate 11A has a first main surface 11c, which is an uneven surface, and a second main surface 11b. Therefore, the substrate 11A has a plurality of protrusions 11d protruding toward the substrate 12A in the first direction D1.
  • the protrusions 11d may be a part of the substrate 11A, or may be a molded body formed on the substrate 11A. In the latter case, the protrusions 11d constitute a part of the first main surface 11c.
  • each protrusion 11d as viewed from the second direction D2 and the cross-sectional shape of each protrusion 11d as viewed from the third direction D3 are not particularly limited, but may be, for example, a rectangular shape, a trapezoidal shape, a polygonal shape, a semicircular shape, a semi-elliptical shape, etc. From the viewpoint of the yield of the thermoelectric conversion module 2A, the above cross-sectional shape may be a trapezoidal shape, a semicircular shape, or a semi-elliptical shape.
  • the protrusion amount of the protrusions 11d is, for example, 100 ⁇ m or more and 10 mm or less.
  • the distance between adjacent protrusions 11d is, for example, 1 ⁇ m or more and 10 mm or less.
  • the base material 12A has a first main surface 12c, which is an uneven surface, and a second main surface 12b. Therefore, the base material 12A has a plurality of protrusions 12d that protrude toward the base material 11A in the first direction D1.
  • the protrusion amount of the protrusions 12d and the distance between adjacent protrusions 12d correspond to, for example, the protrusion amount of the protrusions 11d and the distance between adjacent protrusions 11d, respectively.
  • thermoelectric conversion module 2A the adjacent p-type thermoelectric conversion element 13A and n-type thermoelectric conversion element 14A are in contact with each other.
  • first direction D1 the first end 13a of the p-type thermoelectric conversion element 13A and the first end 14a of the n-type thermoelectric conversion element 14A are in contact with each other on the protruding portion 12d of the substrate 12A.
  • second end 13b of the p-type thermoelectric conversion element 13A and the second end 14b of the n-type thermoelectric conversion element 14A are in contact with each other on the protruding portion 11d of the substrate 11A.
  • each of the first ends 13a and 14a is located closer to the heat absorption portion 4 than the second ends 13b and 14b.
  • each of the second ends 13b and 14b is located closer to the heat generation portion 3 than the first ends 13a and 14a.
  • the power generation device 1D according to the fourth modified example described above also achieves the same effects as the above embodiment.
  • the power generation device and the transmitting device including the same according to the present disclosure are not limited to the above embodiment and the above modification, and various other modifications are possible.
  • the above modifications may be combined as appropriate.
  • the first modification and the third modification may be combined with each other
  • the first modification and the fourth modification may be combined with each other
  • the second modification and the third modification may be combined with each other.
  • the power generation device includes a heat conductive portion and a heat insulating member, but is not limited to this.
  • the power generation device may not include a heat conductive portion, may not include a heat insulating member, or may not include both a heat conductive portion and a heat insulating member.
  • the cover member is attached to the insulating member, but is not limited to this.
  • the cover member may be provided so as to be separable from the insulating member.
  • the cover member may be a member that covers not only the opening of the insulating member but also the entire insulating member.
  • the cover member may be a bag or container that seals the thermoelectric conversion module, the insulating member, etc., and may have the property of being impermeable to the initiator, or the property of being substantially impermeable to the initiator.
  • the initiator may permeate the insulating member.
  • thermoelectric conversion module 1, 1A, 1B, 1C, 1D...power generation device, 2, 2A...thermoelectric conversion module, 3...heat generating portion, 4...heat absorbing portion, 5, 6...thermal conductive portion, 7...insulating member, 8, 9...cover member, 11, 11A, 12, 12A...substrate, 11a, 12a...first main surface, 11b, 12b...second main surface, 13, 13A...p-type thermoelectric conversion element, 13a...first end portion, 13b...second end portion, 14, 14A...n-type thermoelectric conversion element, 14a...first end portion, 14b...second end portion, 15, 16...electrodes, 31...first housing portion (housing portion), 32...second housing portion (housing portion), 33, 34...partition portion, D1...first direction, D2...second direction, D3...third direction.

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Abstract

Ce dispositif de génération d'énergie comprend : un module de conversion thermoélectrique ; une partie de génération de chaleur qui chevauche le module de conversion thermoélectrique dans une première direction et contient un agent de génération de chaleur ; et un élément d'isolation thermique qui recouvre le module de conversion thermoélectrique et la partie de génération de chaleur. Le module de conversion thermoélectrique comporte une paire de substrats, et un élément de conversion thermoélectrique de type p et un élément de conversion thermoélectrique de type n positionnés entre la paire de substrats du module de conversion thermoélectrique dans la première direction. Dans la première direction, la première extrémité de l'élément de conversion thermoélectrique de type p et la première extrémité de l'élément de conversion thermoélectrique de type n se situent plus loin de la partie de génération de chaleur que la seconde extrémité de l'élément de conversion thermoélectrique de type p et la seconde extrémité de l'élément de conversion thermoélectrique de type n, respectivement.
PCT/JP2024/006066 2023-02-21 2024-02-20 Dispositif de génération d'énergie et transmetteur équipé de celui-ci WO2024177068A1 (fr)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5277852U (fr) * 1975-12-08 1977-06-10
JPS602468A (ja) * 1983-06-07 1985-01-08 右近　村次郎 冷暖式の密封□／かん□／
JP2005101390A (ja) * 2003-09-26 2005-04-14 Ricoh Co Ltd 携帯機器用電源
JP2006158021A (ja) * 2004-11-26 2006-06-15 Yamaha Corp 熱発電装置
JP3146388U (ja) * 2008-09-02 2008-11-13 パナソニック株式会社 電源装置
JP2016197949A (ja) * 2015-04-03 2016-11-24 株式会社協同 発電装置、発電装置の組立キットおよび発電装置の組立方法
JP2021525502A (ja) * 2018-05-24 2021-09-24 ウニヴェルシテ・グルノーブル・アルプ 熱電発電器、関連する埋め込み型デバイス、及び方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5277852U (fr) * 1975-12-08 1977-06-10
JPS602468A (ja) * 1983-06-07 1985-01-08 右近　村次郎 冷暖式の密封□／かん□／
JP2005101390A (ja) * 2003-09-26 2005-04-14 Ricoh Co Ltd 携帯機器用電源
JP2006158021A (ja) * 2004-11-26 2006-06-15 Yamaha Corp 熱発電装置
JP3146388U (ja) * 2008-09-02 2008-11-13 パナソニック株式会社 電源装置
JP2016197949A (ja) * 2015-04-03 2016-11-24 株式会社協同 発電装置、発電装置の組立キットおよび発電装置の組立方法
JP2021525502A (ja) * 2018-05-24 2021-09-24 ウニヴェルシテ・グルノーブル・アルプ 熱電発電器、関連する埋め込み型デバイス、及び方法

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