CN110391329A - A kind of hundred milliwatt low-heat conductivity type thermoelectric conversion elements - Google Patents
A kind of hundred milliwatt low-heat conductivity type thermoelectric conversion elements Download PDFInfo
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- CN110391329A CN110391329A CN201910671751.9A CN201910671751A CN110391329A CN 110391329 A CN110391329 A CN 110391329A CN 201910671751 A CN201910671751 A CN 201910671751A CN 110391329 A CN110391329 A CN 110391329A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 84
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000007711 solidification Methods 0.000 claims description 15
- 230000008023 solidification Effects 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 7
- 230000005619 thermoelectricity Effects 0.000 claims description 5
- 229910018985 CoSb3 Inorganic materials 0.000 claims description 3
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 3
- 230000005678 Seebeck effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 239000003758 nuclear fuel Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000005025 nuclear technology Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- XSOKHXFFCGXDJZ-UHFFFAOYSA-N telluride(2-) Chemical compound [Te-2] XSOKHXFFCGXDJZ-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21H—OBTAINING ENERGY FROM RADIOACTIVE SOURCES; APPLICATIONS OF RADIATION FROM RADIOACTIVE SOURCES, NOT OTHERWISE PROVIDED FOR; UTILISING COSMIC RADIATION
- G21H1/00—Arrangements for obtaining electrical energy from radioactive sources, e.g. from radioactive isotopes, nuclear or atomic batteries
- G21H1/10—Cells in which radiation heats a thermoelectric junction or a thermionic converter
- G21H1/103—Cells provided with thermo-electric generators
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- 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
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N19/00—Integrated devices, or assemblies of multiple devices, comprising at least one thermoelectric or thermomagnetic element covered by groups H10N10/00 - H10N15/00
- H10N19/101—Multiple thermocouples connected in a cascade arrangement
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- High Energy & Nuclear Physics (AREA)
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Abstract
The invention discloses a kind of hundred milliwatt low-heat conductivity type thermoelectric conversion elements.The switching device is based on skutterudite thermoelectric material, converts heat energy into electric energy by Seebeck effect.Pass through optimizing structure design, optimization manufacture craft, increase thermocouple arm transverse and longitudinal ratio, increase thermocouple arm number and thermoelectric unit number, gap filling aeroge simultaneously solidifies, reduce thermocouple arm side leakage heat, conversion efficiency of thermoelectric is improved by way of reducing thermoelectric conversion element thermal conductivity and increasing operational difference, the final efficient conversion realized to limited thermal power.Hundred milliwatt low-heat conductivity type thermoelectric conversion element entirety thermal conductivities of the invention are about 0.005W/K, and output power is greater than hundred milliwatts and improves conversion efficiency of thermoelectric about 30% ~ 50%(relative value compared to the isotope generator product of same electrical power grade).
Description
Technical field
The invention belongs to nuclear technology fields, and in particular to a kind of hundred milliwatt low-heat conductivity type thermoelectric conversion elements.
Background technique
Radioactive isotope power supply system (Radioisotope Power System, RPS) is a kind of isotope to be declined
The system that heating can be converted to electric energy.Currently, all systems based on static thermoelectricity transfer principle (thermo-electric generation) are referred to as putting
Injectivity isotope thermoelectric generator (Radioisotope Thermoelectric Generator, RTG).In academic exchange and
In the project implementation, China is usually unified to be referred to as isotope generator, also known as nuclear-electric power supply this kind of device.Isotope generator (heat source)
Have the characteristics that small in size, specific power is high, long service life, ambient adaptability are strong, high reliablity, is suitable for deep space, deep-sea, partially
The special applications scenes such as remote land, have irreplaceable role.
Thermoelectric conversion element is one of the core component in isotope generator, is responsible for the thermal energy of collection being converted directly into electricity
It can output.The design parameters of description thermoelectric conversion element specifically include that thermoelectric material system (M), thermocouple arm cross-sectional area
(A), thermocouple arm height (L), thermocouple arm transverse and longitudinal ratio (A/L), thermocouple arm spacing (DL), thermoelectric unit serial number (NS), heat
Electric unit parallel connection number (NP), thermoelectric unit sum (NS×NP), thermoelectric unit spacing (DT) etc..
Thermoelectric conversion element based on thermoelectric power generation principle (Seebeck effect) is to pursue higher conversion efficiency, it is desirable that heat
Power conversion device hot and cold side operational difference is as big as possible.Usual situation may make operational difference to increase there are two types of approach.First,
Fixed thermoelectric conversion element configuration is constant, reduces heat source surface product, i.e. reduction heat source surface heat dissipation path.Second, fixed heat source
Surface area is constant, reduces thermocouple arm transverse and longitudinal ratio (A/L), i.e. reduction thermoelectric conversion element thermal conductivity.
Due to wrapping up isotope fuels inside isotope heat source, also known as nuclear fuel (such as238Pu、241Am、210Po、90Sr
Deng), it is contemplated that nuclear safety, isotope fuels are necessarily required to be completely sealed.Usual situation needs multiple functional layers to same
The plain fuel in position is contained, so that nuclear fuel does not occur and lets out for isotope heat source (working environment and accident environment) in life cycle
Leakage event.Therefore, use reduce heat source surface product mode it is very limited to increase operational difference, especially must first really
It protects under conditions of nuclear safety.
Currently, the commercial product of maturation is industrial waste heat using developing on the market, cannot be directly used to isotope generator,
Mainly have following defect: 1) using low temperature bismuth telluride thermoelectric material, highest hot end operating temperature is less than 250oC, hot and cold side work
The temperature difference is smaller；2) thermocouple arm transverse and longitudinal is bigger, and thermoelectric conversion element thermal conductivity is larger, can not (industry under the conditions of limited heat supply
Waste heat can be considered power infinity, and isotope heat source then power limited) establish suitable hot and cold side operational difference；3) thermoelectricity turns
Parallel operation part interface area is larger, can not be adapted to the isotope heat source of limited area, transfer efficiency is lower.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of hundred milliwatt low-heat conductivity type thermoelectric conversion elements.
Hundred milliwatt low-heat conductivity type thermoelectric conversion elements of the invention, its main feature is that, the thermoelectric conversion element includes P
Type thermocouple arm, N-type thermocouple arm, solidification aeroge, hot end connection electrode, cold end connection electrode, hot end package board, cold end envelope
The anode of loading board, the cathode of thermoelectric conversion element and thermoelectric conversion element；Its connection relationship is: the p-type thermocouple arm and N
Type thermocouple arm is the rectangular shaped post placed vertically, and p-type thermocouple arm and N-type thermocouple arm or so are staggered to array,
A p-type thermocouple arm in array is adjacent with four N-type thermocouple arms, a N-type thermocouple arm and four p-type thermocouple arms
It is adjacent；The top of array is hot end, and the bottom of array is cold end；P-type thermocouple arm and N-type thermocouple arm pass through hot end on hot end
Simultaneously overall package has hot end package board for connection electrode connection；P-type thermocouple arm is connected with N-type thermocouple arm by cold end in cold end
Electrode connects, and the anode of thermoelectric conversion element is drawn in cold end on first p-type thermocouple arm, with first p-type thermocouple arm
The last one N-type thermocouple arm in diagonal position draws the cathode of thermoelectric conversion element, and cold end is packaged with cold end package board；
Solidification aeroge is perfused between the hot end package board and cold end package board, after solidifying airsetting adhesive curing, p-type thermoelectricity
Even arm and N-type thermocouple arm are fixed in solidification aeroge；
After constituting circuit and applying the temperature difference between hot end package board and cold end package board, the electric current edge inside thermoelectric conversion element
The cathode of thermoelectric conversion element enters array, through staggered p-type thermocouple arm and N-type thermocouple arm sequential flowing, finally
From the anode outflow array of thermoelectric conversion element.
The material of the p-type thermocouple arm and N-type thermocouple arm is skutterudite CoSb3Thermoelectric material.
The material for solidifying aeroge is fibre-bearing aeroge.
The hot end connection electrode and cold end connection electrode is made of deposition-etch technique, hot end connection electrode and cold
The thickness range for holding connection electrode is 3 μm ~ 5 μm.
The hot end package board and cold end package board uses ceramic material, the thickness of hot end package board and cold end package board
For 0.5mm, the temperature difference range between hot end package board and cold end package board is 300oC ~400oC。
Solidification aeroge in hundred milliwatt low-heat conductivity type thermoelectric conversion elements of the invention is uniformly filled in p-type thermocouple
The array gap of arm and N-type thermocouple arm, can effectively reduce heat source and it is heat sink between direct heat transfer lose, reduce thermocouple arm
Leak heat loss in side.
Hot end connection electrode and cold end connection electrode energy in hundred milliwatt low-heat conductivity type thermoelectric conversion elements of the invention
Enough realize that heat, the cold end of p-type thermocouple arm and N-type thermocouple arm are sequentially connected, wherein hot end connection electrode makes p-type thermocouple
Arm and N-type thermocouple arm form thermoelectric unit, and cold end connection electrode makes all thermoelectric units form series connection；Hot end connection electrode
Thickness range with cold end connection electrode is 3 μm ~ 5 μm, the resistance and interface resistance of hot end connection electrode and cold end connection electrode
Much smaller than thermocouple arm resistance.
The cross of p-type thermocouple arm and N-type thermocouple arm in hundred milliwatt low-heat conductivity type thermoelectric conversion elements of the invention
It indulges bigger, can be effectively reduced the thermal conductivity of thermoelectric conversion element.
The thermal conductivity of hot end package board and cold end package board in hundred milliwatt low-heat conductivity type thermoelectric conversion elements of the invention
Much larger than the thermal conductivity of p-type thermocouple arm and N-type thermocouple arm.
Hundred milliwatt low-heat conductivity type thermoelectric conversion elements of the invention are increased by optimizing structure design, optimization manufacture craft
Big thermocouple arm transverse and longitudinal ratio, increases thermocouple arm number and thermoelectric unit number, gap filling aeroge simultaneously solidify, and reduces thermocouple arm
Side leakage heat, improves conversion efficiency of thermoelectric by way of reducing thermoelectric conversion element thermal conductivity and increasing operational difference, final to realize
Efficient conversion to limited thermal power.Hundred milliwatt thermoelectric conversion elements of the invention can Reusability, Maintenance free, usual feelings
Under condition, the service life is greater than 5 years, and whole thermal conductivity is about 0.005W/K, and output power is greater than hundred milliwatts, compared to same electrical power grade
Isotope generator product improves conversion efficiency of thermoelectric about 30% ~ 50%(relative value), increase 1 ~ 2 times of service life.
Detailed description of the invention
Fig. 1 is the A-A diagrammatic cross-section of hundred milliwatt low-heat conductivity type thermoelectric conversion elements of the invention；
Fig. 2 is the B-B diagrammatic cross-section of hundred milliwatt low-heat conductivity type thermoelectric conversion elements of the invention；
Fig. 3 is the C-C diagrammatic cross-section of hundred milliwatt low-heat conductivity type thermoelectric conversion elements of the invention；
Fig. 4 is the course of work schematic diagram of hundred milliwatt low-heat conductivity type thermoelectric conversion elements of the invention.
In figure, 1.P type thermocouple arm 2.N type thermocouple arm 3. solidifies 4. hot end connection electrode of aeroge, 5. cold end and connects
The anode of 9. thermoelectric conversion element of cathode of 6. hot end package board of receiving electrode, 7. cold end package board, 8. thermoelectric conversion element
10. heat sink 13. hot-fluid of 11. heat source of thermoelectric conversion element 12. flows to 14. current directions 15. and loads for electrical lead 16..
Specific embodiment
As shown in Fig. 1 ~ 3, hundred milliwatt low-heat conductivity type thermoelectric conversion elements of the invention include p-type thermocouple arm 1, N-type
Thermocouple arm 2, solidification aeroge 3, hot end connection electrode 4, cold end connection electrode 5, hot end package board 6, cold end package board 7, heat
The cathode 8 of power conversion device and the anode 9 of thermoelectric conversion element；Its connection relationship is: the p-type thermocouple arm 1 and N-type heat
Galvanic couple arm 2 is the rectangular shaped post placed vertically, and p-type thermocouple arm 1 and N-type thermocouple arm 2 or so are staggered to array, battle array
A p-type thermocouple arm 1 in column is adjacent with four N-type thermocouple arms 2, a N-type thermocouple arm 2 and four p-type thermocouples
Arm 1 is adjacent；The top of array is hot end, and the bottom of array is cold end；P-type thermocouple arm 1 and N-type thermocouple arm 2 are logical on hot end
It crosses the connection of hot end connection electrode 4 and overall package has hot end package board 6；P-type thermocouple arm 1 and N-type thermocouple arm 2 are logical in cold end
The connection of cold end connection electrode 5 is crossed, the anode 9 of thermoelectric conversion element is drawn in cold end on first p-type thermocouple arm 1, with first
The last one N-type thermocouple arm 2 that a p-type thermocouple arm 1 is in diagonal position draws the cathode 8 of thermoelectric conversion element, cold end
It is packaged with cold end package board 7；
Solidification aeroge 3 is perfused between the hot end package board 6 and cold end package board 7, after solidification aeroge 3 solidifies, p-type
Thermocouple arm 1 and N-type thermocouple arm 2 are fixed in solidification aeroge 3；
After constituting circuit and applying the temperature difference between hot end package board 6 and cold end package board 7, the electric current inside thermoelectric conversion element
Cathode 8 along thermoelectric conversion element enters array, through 2 sequential flowing of staggered p-type thermocouple arm 1 and N-type thermocouple arm,
Finally array is flowed out from the anode 9 of thermoelectric conversion element.
The material of the p-type thermocouple arm 1 and N-type thermocouple arm 2 is skutterudite CoSb3Thermoelectric material.
The material for solidifying aeroge 3 is fibre-bearing aeroge.
The hot end connection electrode 4 and cold end connection electrode 5 are made of deposition-etch technique, hot end connection electrode 4
Thickness range with cold end connection electrode 5 is 3 μm ~ 5 μm.
The hot end package board 6 and cold end package board 7 uses ceramic material, hot end package board 6 and cold end package board 7
With a thickness of 0.5mm, the temperature difference range between hot end package board 6 and cold end package board 7 is 300oC ~400oC。
Embodiment 1
The p-type thermocouple arm 1 of the present embodiment be 28, N-type thermocouple arm 2 be 28, totally 56, having a size of 0.8mm × 0.8mm
× 25mm, transverse and longitudinal ratio are 0.0256mm-1, according to 8 × 7 uniform staggered, spacing 0.5mm.Solidification aeroge 3 after solidification
In cylindrical body, Outside Dimensions are 18mm × 25mm.Hot end connection electrode 4 and cold end connection electrode 5 with a thickness of 3 μm ~ 5 μm.Heat
End seal loading board 6 and cold end package board 7 with a thickness of 0.5mm.Overall peripheral size 18mm × 26mm of thermoelectric conversion element 11.
As shown in figure 4, installing heat source 11 in the hot end package board 6 of thermoelectric conversion element 10, installed in cold end package board 7
Heat sink 12, by for the connection of electrical lead 15 load 16, forming circuit, hot-fluid flows to 13 from heat source 11 to heat sink 12 along hot-fluid, electricity
Stream is along current direction 14 in 2 sequential flowing of p-type thermocouple arm 1 and N-type thermocouple arm.
Before use, must test by standard electrical, the internal resistance of thermoelectric conversion element 10 is measured, to ensure p-type thermocouple arm
1, it N-type thermocouple arm 2, hot end connection electrode 4 and cold end connection electrode 5 and is not damaged for electrical lead and Ohm connection is good
It is good.
In use process, heat source 11 needs a flat end face, and as hot end interface surface, area is greater than heat to electricity conversion
6 area of hot end package board of device 10；Heat sink 12 need a flat end face, and as cold end interface surface, area is greater than heat
7 area of cold end package board of power conversion device 10；The cathode 8 of thermoelectric conversion element 10 and the anode 9 of thermoelectric conversion element pass through
Lead is respectively connected to load 16(such as resistance, light bulb, chip etc.) both ends；Thermoelectric conversion element 10 is directly placed at heat
Between source 11 and heat sink 12, heat source 11 and heat sink 12 thermoelectric are passed through using mechanical means (such as spring, stress section, bolt etc.)
10 both ends of switching device apply pressure, so that 6 top surface of hot end package board and heat source hot end interface surface fit closely, so that cold end is sealed
7 bottom surface of loading board and heat sink cold end interface surface fit closely；In several seconds, can be observed load 16 enter steady-working states (such as
Luminous, chip operation of resistance heating, light bulb etc.)；Subsequent use process does not need manual operation, until stopping using；Thermoelectricity turns
10 hot-side temperature of parallel operation part must be not more than 500oC。
In 11 temperature of heat source about 416oC(689K), heat sink 12 temperature about 45oC(318K under the conditions of), ignore hot end interface surface
With cold end interface surface thermal contact resistance, ignores 7 thermal resistance of hot end package board 6 and cold end package board, ignore connection electrode resistance and power supply
Lead resistance；When loading 16 impedances is 40 Ω, the output voltage of thermoelectric conversion element 10 about 2.2V, output power about 0.12W；
Collect heat about 1.9W, conversion efficiency of thermoelectric about 6.3% in the hot end of thermoelectric conversion element 11；Consider ignored factor, integrally declines
Subtracting coefficient is calculated according to about 15%, and the output voltage of thermoelectric conversion element 10 is greater than 2V, and output power is greater than 0.1W, has " hundred millis
Watt grade " and " low-heat conductivity type " feature.
The disassembly process of thermoelectric conversion element 10 is as follows:
1. releasing the mechanical pressure at 10 both ends of thermoelectric conversion element；
2. directly being taken out thermoelectric conversion element 10 using dielectric holder, it is placed in insulation pallet；
3. after cooling, dismantle thermoelectric conversion element 10 thermoelectric conversion element cathode 8 and thermoelectric conversion element anode 9 and
Lead connection between load 16.
Claims (5)
1. a kind of hundred milliwatt low-heat conductivity type thermoelectric conversion elements, which is characterized in that the thermoelectric conversion element includes p-type heat
Galvanic couple arm (1), N-type thermocouple arm (2), solidification aeroge (3), hot end connection electrode (4), cold end connection electrode (5), hot end envelope
Loading board (6), cold end package board (7), the cathode (9) of thermoelectric conversion element and thermoelectric conversion element anode (10)；It, which is connected, closes
System is: the p-type thermocouple arm (1) and N-type thermocouple arm (2) is the rectangular shaped post placed vertically, p-type thermocouple arm
(1) and N-type thermocouple arm (2) left and right is staggered to array, in array a p-type thermocouple arm (1) and four N-type thermoelectricity
Even arm (2) is adjacent, and a N-type thermocouple arm (2) is adjacent with four p-type thermocouple arms (1)；The top of array is hot end, array
Bottom be cold end；P-type thermocouple arm (1) and N-type thermocouple arm (2) are connected and whole by hot end connection electrode (4) on hot end
Body is packaged with hot end package board (6)；P-type thermocouple arm (1) and N-type thermocouple arm (2) pass through cold end connection electrode (5) in cold end
It connects, the anode (10) of thermoelectric conversion element is drawn in cold end on first p-type thermocouple arm (1), with first p-type thermocouple
The last one N-type thermocouple arm (2) that arm (1) is in diagonal position draws the cathode (9) of thermoelectric conversion element, and cold end is packaged with
Cold end package board (7)；
Solidification aeroge (3) is perfused between the hot end package board (6) and cold end package board (7), solidification aeroge (3) is solid
After change, p-type thermocouple arm (1) and N-type thermocouple arm (2) are fixed in solidification aeroge (3)；
After constituting circuit and applying the temperature difference between hot end package board (6) and cold end package board (7), inside thermoelectric conversion element
Electric current enters array along the cathode (9) of thermoelectric conversion element, through staggered p-type thermocouple arm (1) and N-type thermocouple arm
(2) sequential flowing finally flows out array from the anode of thermoelectric conversion element (10).
2. hundred milliwatts low-heat conductivity type thermoelectric conversion element according to claim 1, which is characterized in that the p-type heat
The material of galvanic couple arm (1) and N-type thermocouple arm (2) is skutterudite CoSb3Thermoelectric material.
3. hundred milliwatts low-heat conductivity type thermoelectric conversion element according to claim 1, which is characterized in that the solidification gas
The material of gel (3) is fibre-bearing aeroge.
4. hundred milliwatts low-heat conductivity type thermoelectric conversion element according to claim 1, which is characterized in that the hot end connects
Receiving electrode (4) and cold end connection electrode (5) are made of deposition-etch technique, hot end connection electrode (4) and cold end connection electrode
(5) thickness range is 3 μm ~ 5 μm.
5. hundred milliwatts low-heat conductivity type thermoelectric conversion element according to claim 1, which is characterized in that the hot end envelope
Loading board (6) and cold end package board (7) use ceramic material, hot end package board (6) and cold end package board (7) with a thickness of 0.5mm,
The temperature difference range between hot end package board (6) and cold end package board (7) is 300oC ~400oC。
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| CN201910671751.9A CN110391329A (en) | 2019-07-24 | 2019-07-24 | A kind of hundred milliwatt low-heat conductivity type thermoelectric conversion elements |
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| CN201910671751.9A CN110391329A (en) | 2019-07-24 | 2019-07-24 | A kind of hundred milliwatt low-heat conductivity type thermoelectric conversion elements |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112635093A (en) * | 2020-12-30 | 2021-04-09 | 中国工程物理研究院核物理与化学研究所 | Based on90Temperature difference power generation device of Sr isotope |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101114692A (en) * | 2007-08-10 | 2008-01-30 | 中国科学院上海硅酸盐研究所 | Method for manufacturing cobalt stibium antimonide based thermoelectric device |
| CN104934523A (en) * | 2014-03-19 | 2015-09-23 | 中国科学院上海硅酸盐研究所 | Middle-high temperature thermoelectric module |
| WO2016138389A1 (en) * | 2015-02-26 | 2016-09-01 | California Institute Of Technology | Radioisotope thermoelectric generator |
-
2019
- 2019-07-24 CN CN201910671751.9A patent/CN110391329A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101114692A (en) * | 2007-08-10 | 2008-01-30 | 中国科学院上海硅酸盐研究所 | Method for manufacturing cobalt stibium antimonide based thermoelectric device |
| CN104934523A (en) * | 2014-03-19 | 2015-09-23 | 中国科学院上海硅酸盐研究所 | Middle-high temperature thermoelectric module |
| WO2016138389A1 (en) * | 2015-02-26 | 2016-09-01 | California Institute Of Technology | Radioisotope thermoelectric generator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112635093A (en) * | 2020-12-30 | 2021-04-09 | 中国工程物理研究院核物理与化学研究所 | Based on90Temperature difference power generation device of Sr isotope |
| CN112635093B (en) * | 2020-12-30 | 2022-11-04 | 中国工程物理研究院核物理与化学研究所 | Based on 90 Temperature difference power generation device of Sr isotope |
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Application publication date: 20191029 |